wip

Do not remove the item from pane twice (#30254 )
Probably a merge artifact? Release Notes: - N/A
2025-05-19 15:55:30 -04:00 · 2025-05-08 13:30:20 +00:00 · 2025-05-08 09:10:50 -04:00 · 2025-05-08 13:09:29 +00:00 · 2025-05-08 14:39:56 +02:00 · 2025-05-08 12:38:19 +00:00
630 changed files with 73877 additions and 26960 deletions
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -162,13 +162,23 @@ jobs:
        working-directory: ./docs
        run: |
          pnpm dlx prettier@${PRETTIER_VERSION} . --check || {
-            echo "To fix, run from the root of the zed repo:"
+            echo "To fix, run from the root of the Zed repo:"
            echo "  cd docs && pnpm dlx prettier@${PRETTIER_VERSION} . --write && cd .."
            false
          }
        env:
          PRETTIER_VERSION: 3.5.0

+      - name: Prettier Check on default.json
+        run: |
+          pnpm dlx prettier@${PRETTIER_VERSION} assets/settings/default.json --check || {
+            echo "To fix, run from the root of the Zed repo:"
+            echo "  pnpm dlx prettier@${PRETTIER_VERSION} assets/settings/default.json --write"
+            false
+          }
+        env:
+          PRETTIER_VERSION: 3.5.0
+
      # To support writing comments that they will certainly be revisited.
      - name: Check for todo! and FIXME comments
        run: script/check-todos
--- a/.github/workflows/eval.yml
+++ b/.github/workflows/eval.yml
@@ -69,7 +69,7 @@ jobs:
        run: cargo build --package=eval

      - name: Run eval
-        run: cargo run --package=eval -- --repetitions=3 --concurrency=1
+        run: cargo run --package=eval -- --repetitions=8 --concurrency=1

      # Even the Linux runner is not stateful, in theory there is no need to do this cleanup.
      # But, to avoid potential issues in the future if we choose to use a stateful Linux runner and forget to add code
--- a/.github/workflows/release_nightly.yml
+++ b/.github/workflows/release_nightly.yml
@@ -170,55 +170,6 @@ jobs:
      - name: Upload Zed Nightly
        run: script/upload-nightly linux-targz

-  bundle-nix:
-    timeout-minutes: 60
-    name: (${{ matrix.system.os }}) Nix Build
-    continue-on-error: true
-    strategy:
-      fail-fast: false
-      matrix:
-        system:
-          - os: x86 Linux
-            runner: buildjet-16vcpu-ubuntu-2204
-            install_nix: true
-          - os: arm Mac
-            runner: [macOS, ARM64, test]
-            install_nix: false
-    if: github.repository_owner == 'zed-industries'
-    runs-on: ${{ matrix.system.runner }}
-    needs: tests
-    env:
-      ZED_CLIENT_CHECKSUM_SEED: ${{ secrets.ZED_CLIENT_CHECKSUM_SEED }}
-      ZED_CLOUD_PROVIDER_ADDITIONAL_MODELS_JSON: ${{ secrets.ZED_CLOUD_PROVIDER_ADDITIONAL_MODELS_JSON }}
-      GIT_LFS_SKIP_SMUDGE: 1 # breaks the livekit rust sdk examples which we don't actually depend on
-    steps:
-      - name: Checkout repo
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
-        with:
-          clean: false
-
-      # on our macs we manually install nix. for some reason the cachix action is running
-      # under a non-login /bin/bash shell which doesn't source the proper script to add the
-      # nix profile to PATH, so we manually add them here
-      - name: Set path
-        if: ${{ ! matrix.system.install_nix }}
-        run: |
-          echo "/nix/var/nix/profiles/default/bin" >> $GITHUB_PATH
-          echo "/Users/administrator/.nix-profile/bin" >> $GITHUB_PATH
-
-      - uses: cachix/install-nix-action@d1ca217b388ee87b2507a9a93bf01368bde7cec2 # v31
-        if: ${{ matrix.system.install_nix }}
-        with:
-          github_access_token: ${{ secrets.GITHUB_TOKEN }}
-
-      - uses: cachix/cachix-action@0fc020193b5a1fa3ac4575aa3a7d3aa6a35435ad # v16
-        with:
-          name: zed-industries
-          authToken: "${{ secrets.CACHIX_AUTH_TOKEN }}"
-      - run: nix build
-      - name: Limit /nix/store to 50GB
-        run: '[ $(du -sm /nix/store | cut -f1) -gt 50000 ] && nix-collect-garbage -d'
-
  update-nightly-tag:
    name: Update nightly tag
    if: github.repository_owner == 'zed-industries'
--- a/.prettierrc
+++ b/.prettierrc
@@ -0,0 +1,3 @@
+{
+  "printWidth": 120
+}
--- a/.zed/settings.json
+++ b/.zed/settings.json
@@ -46,5 +46,17 @@
  "formatter": "auto",
  "remove_trailing_whitespace_on_save": true,
  "ensure_final_newline_on_save": true,
-  "file_scan_exclusions": ["crates/eval/worktrees/", "crates/eval/repos/"]
+  "file_scan_exclusions": [
+    "crates/eval/worktrees/",
+    "crates/eval/repos/",
+    "**/.git",
+    "**/.svn",
+    "**/.hg",
+    "**/.jj",
+    "**/CVS",
+    "**/.DS_Store",
+    "**/Thumbs.db",
+    "**/.classpath",
+    "**/.settings"
+  ]
 }
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -56,18 +56,19 @@ dependencies = [
 "assistant_context_editor",
 "assistant_settings",
 "assistant_slash_command",
+ "assistant_slash_commands",
 "assistant_tool",
 "async-watch",
 "buffer_diff",
 "chrono",
 "client",
 "collections",
- "command_palette_hooks",
 "component",
 "context_server",
 "convert_case 0.8.0",
 "db",
 "editor",
+ "extension",
 "feature_flags",
 "file_icons",
 "fs",
@@ -78,9 +79,10 @@ dependencies = [
 "heed",
 "html_to_markdown",
 "http_client",
- "indexmap",
+ "indexed_docs",
 "indoc",
 "itertools 0.14.0",
+ "jsonschema",
 "language",
 "language_model",
 "language_model_selector",
@@ -90,10 +92,12 @@ dependencies = [
 "markdown",
 "menu",
 "multi_buffer",
+ "notifications",
 "ordered-float 2.10.1",
 "parking_lot",
 "paths",
 "picker",
+ "postage",
 "project",
 "prompt_store",
 "proto",
@@ -103,8 +107,10 @@ dependencies = [
 "rope",
 "rules_library",
 "schemars",
+ "search",
 "serde",
 "serde_json",
+ "serde_json_lenient",
 "settings",
 "smallvec",
 "smol",
@@ -120,6 +126,7 @@ dependencies = [
 "time_format",
 "ui",
 "ui_input",
+ "urlencoding",
 "util",
 "uuid",
 "workspace",
@@ -147,7 +154,9 @@ checksum = "e89da841a80418a9b391ebaea17f5c112ffaaa96f621d2c285b5174da76b9011"
 dependencies = [
 "cfg-if",
 "const-random",
+ "getrandom 0.2.15",
 "once_cell",
+ "serde",
 "version_check",
 "zerocopy 0.7.35",
 ]
@@ -463,69 +472,6 @@ dependencies = [
 "workspace-hack",
 ]

-[[package]]
-name = "assistant"
-version = "0.1.0"
-dependencies = [
- "anyhow",
- "assistant_context_editor",
- "assistant_settings",
- "assistant_slash_command",
- "assistant_slash_commands",
- "assistant_tool",
- "async-watch",
- "client",
- "collections",
- "command_palette_hooks",
- "context_server",
- "ctor",
- "db",
- "editor",
- "env_logger 0.11.8",
- "feature_flags",
- "fs",
- "futures 0.3.31",
- "gpui",
- "indexed_docs",
- "indoc",
- "language",
- "language_model",
- "language_model_selector",
- "languages",
- "log",
- "lsp",
- "menu",
- "multi_buffer",
- "parking_lot",
- "pretty_assertions",
- "project",
- "prompt_store",
- "proto",
- "rand 0.8.5",
- "rope",
- "rules_library",
- "schemars",
- "search",
- "serde",
- "serde_json_lenient",
- "settings",
- "smol",
- "streaming_diff",
- "telemetry",
- "telemetry_events",
- "terminal",
- "terminal_view",
- "text",
- "theme",
- "tree-sitter-md",
- "ui",
- "unindent",
- "util",
- "workspace",
- "workspace-hack",
- "zed_actions",
-]
-
 [[package]]
 name = "assistant_context_editor"
 version = "0.1.0"
@@ -540,7 +486,6 @@ dependencies = [
 "collections",
 "context_server",
 "editor",
- "feature_flags",
 "fs",
 "futures 0.3.31",
 "fuzzy",
@@ -588,8 +533,8 @@ version = "0.1.0"
 dependencies = [
 "anthropic",
 "anyhow",
+ "collections",
 "deepseek",
- "feature_flags",
 "fs",
 "gpui",
 "indexmap",
@@ -601,9 +546,11 @@ dependencies = [
 "paths",
 "schemars",
 "serde",
+ "serde_json",
 "serde_json_lenient",
 "settings",
 "workspace-hack",
+ "zed_llm_client",
 ]

 [[package]]
@@ -689,6 +636,7 @@ dependencies = [
 "pretty_assertions",
 "project",
 "rand 0.8.5",
+ "regex",
 "serde",
 "serde_json",
 "settings",
@@ -702,7 +650,9 @@ dependencies = [
 name = "assistant_tools"
 version = "0.1.0"
 dependencies = [
+ "aho-corasick",
 "anyhow",
+ "assistant_settings",
 "assistant_tool",
 "buffer_diff",
 "chrono",
@@ -710,33 +660,54 @@ dependencies = [
 "clock",
 "collections",
 "component",
+ "derive_more",
 "editor",
+ "feature_flags",
+ "fs",
 "futures 0.3.31",
 "gpui",
+ "gpui_tokio",
+ "handlebars 4.5.0",
 "html_to_markdown",
 "http_client",
 "indoc",
 "itertools 0.14.0",
 "language",
 "language_model",
+ "language_models",
 "linkme",
+ "log",
 "open",
+ "paths",
+ "portable-pty",
 "pretty_assertions",
 "project",
 "rand 0.8.5",
 "regex",
+ "reqwest_client",
+ "rust-embed",
 "schemars",
 "serde",
 "serde_json",
 "settings",
+ "smallvec",
+ "streaming_diff",
+ "strsim",
+ "task",
+ "tempfile",
+ "terminal",
+ "terminal_view",
+ "theme",
 "tree-sitter-rust",
 "ui",
 "unindent",
 "util",
 "web_search",
+ "which 6.0.3",
 "workspace",
 "workspace-hack",
 "zed_llm_client",
+ "zlog",
 ]

 [[package]]
@@ -2167,6 +2138,12 @@ dependencies = [
 "piper",
 ]

+[[package]]
+name = "borrow-or-share"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3eeab4423108c5d7c744f4d234de88d18d636100093ae04caf4825134b9c3a32"
+
 [[package]]
 name = "borsh"
 version = "1.5.7"
@@ -2282,6 +2259,12 @@ dependencies = [
 "syn 1.0.109",
 ]

+[[package]]
+name = "bytecount"
+version = "0.6.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5ce89b21cab1437276d2650d57e971f9d548a2d9037cc231abdc0562b97498ce"
+
 [[package]]
 name = "bytemuck"
 version = "1.22.0"
@@ -2959,8 +2942,8 @@ name = "collab"
 version = "0.44.0"
 dependencies = [
 "anyhow",
- "assistant",
 "assistant_context_editor",
+ "assistant_settings",
 "assistant_slash_command",
 "assistant_tool",
 "async-stripe",
@@ -3194,6 +3177,7 @@ dependencies = [
 "gpui",
 "linkme",
 "parking_lot",
+ "strum 0.27.1",
 "theme",
 "workspace-hack",
 ]
@@ -3202,19 +3186,24 @@ dependencies = [
 name = "component_preview"
 version = "0.1.0"
 dependencies = [
+ "agent",
 "anyhow",
+ "assistant_tool",
 "client",
 "collections",
 "component",
 "db",
+ "futures 0.3.31",
 "gpui",
 "languages",
 "log",
 "notifications",
 "project",
+ "prompt_store",
 "serde",
 "ui",
 "ui_input",
+ "util",
 "workspace",
 "workspace-hack",
 ]
@@ -3284,40 +3273,19 @@ name = "context_server"
 version = "0.1.0"
 dependencies = [
 "anyhow",
- "assistant_tool",
 "async-trait",
 "collections",
- "command_palette_hooks",
- "context_server_settings",
- "extension",
 "futures 0.3.31",
 "gpui",
- "icons",
- "language_model",
 "log",
 "parking_lot",
 "postage",
- "project",
- "serde",
- "serde_json",
- "settings",
- "smol",
- "url",
- "util",
- "workspace-hack",
-]
-
-[[package]]
-name = "context_server_settings"
-version = "0.1.0"
-dependencies = [
- "anyhow",
- "collections",
- "gpui",
 "schemars",
 "serde",
 "serde_json",
- "settings",
+ "smol",
+ "url",
+ "util",
 "workspace-hack",
 ]

@@ -3951,7 +3919,7 @@ version = "3.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "697b5419f348fd5ae2478e8018cb016c00a5881c7f46c717de98ffd135a5651c"
 dependencies = [
- "nix",
+ "nix 0.29.0",
 "windows-sys 0.59.0",
 ]

@@ -4039,7 +4007,6 @@ dependencies = [
 "http_client",
 "language",
 "log",
- "lsp-types",
 "node_runtime",
 "parking_lot",
 "paths",
@@ -4072,9 +4039,9 @@ dependencies = [
 "anyhow",
 "async-trait",
 "dap",
+ "futures 0.3.31",
 "gpui",
 "language",
- "lsp-types",
 "paths",
 "serde",
 "serde_json",
@@ -4219,6 +4186,7 @@ dependencies = [
 "collections",
 "command_palette_hooks",
 "dap",
+ "dap_adapters",
 "db",
 "debugger_tools",
 "editor",
@@ -4365,6 +4333,7 @@ dependencies = [
 "ctor",
 "editor",
 "env_logger 0.11.8",
+ "futures 0.3.31",
 "gpui",
 "indoc",
 "language",
@@ -4760,6 +4729,15 @@ dependencies = [
 "zeroize",
 ]

+[[package]]
+name = "email_address"
+version = "0.2.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e079f19b08ca6239f47f8ba8509c11cf3ea30095831f7fed61441475edd8c449"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "embed-resource"
 version = "3.0.2"
@@ -4965,6 +4943,7 @@ version = "0.1.0"
 dependencies = [
 "agent",
 "anyhow",
+ "assistant_settings",
 "assistant_tool",
 "assistant_tools",
 "async-trait",
@@ -4974,7 +4953,6 @@ dependencies = [
 "clap",
 "client",
 "collections",
- "context_server",
 "dirs 4.0.0",
 "dotenv",
 "env_logger 0.11.8",
@@ -4989,9 +4967,11 @@ dependencies = [
 "language_model",
 "language_models",
 "languages",
+ "markdown",
 "node_runtime",
 "pathdiff",
 "paths",
+ "pretty_assertions",
 "project",
 "prompt_store",
 "regex",
@@ -5125,7 +5105,6 @@ dependencies = [
 "async-trait",
 "client",
 "collections",
- "context_server_settings",
 "ctor",
 "env_logger 0.11.8",
 "extension",
@@ -5173,6 +5152,7 @@ dependencies = [
 "collections",
 "db",
 "editor",
+ "extension",
 "extension_host",
 "fs",
 "fuzzy",
@@ -5405,6 +5385,17 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8bf7cc16383c4b8d58b9905a8509f02926ce3058053c056376248d958c9df1e8"

+[[package]]
+name = "fluent-uri"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1918b65d96df47d3591bed19c5cca17e3fa5d0707318e4b5ef2eae01764df7e5"
+dependencies = [
+ "borrow-or-share",
+ "ref-cast",
+ "serde",
+]
+
 [[package]]
 name = "flume"
 version = "0.11.1"
@@ -5559,6 +5550,16 @@ dependencies = [
 "percent-encoding",
 ]

+[[package]]
+name = "fraction"
+version = "0.15.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0f158e3ff0a1b334408dc9fb811cd99b446986f4d8b741bb08f9df1604085ae7"
+dependencies = [
+ "lazy_static",
+ "num",
+]
+
 [[package]]
 name = "freetype-sys"
 version = "0.20.1"
@@ -6356,6 +6357,7 @@ dependencies = [
 "log",
 "pest",
 "pest_derive",
+ "rust-embed",
 "serde",
 "serde_json",
 "thiserror 1.0.69",
@@ -7235,6 +7237,7 @@ dependencies = [
 "lsp",
 "paths",
 "project",
+ "proto",
 "regex",
 "serde_json",
 "settings",
@@ -7242,6 +7245,7 @@ dependencies = [
 "telemetry",
 "theme",
 "ui",
+ "util",
 "workspace",
 "workspace-hack",
 "zed_actions",
@@ -7561,6 +7565,33 @@ dependencies = [
 "wasm-bindgen",
 ]

+[[package]]
+name = "jsonschema"
+version = "0.30.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f1b46a0365a611fbf1d2143104dcf910aada96fafd295bab16c60b802bf6fa1d"
+dependencies = [
+ "ahash 0.8.11",
+ "base64 0.22.1",
+ "bytecount",
+ "email_address",
+ "fancy-regex 0.14.0",
+ "fraction",
+ "idna",
+ "itoa",
+ "num-cmp",
+ "num-traits",
+ "once_cell",
+ "percent-encoding",
+ "referencing",
+ "regex",
+ "regex-syntax 0.8.5",
+ "reqwest 0.12.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde",
+ "serde_json",
+ "uuid-simd",
+]
+
 [[package]]
 name = "jsonwebtoken"
 version = "9.3.1"
@@ -7704,6 +7735,7 @@ dependencies = [
 "tree-sitter-html",
 "tree-sitter-json",
 "tree-sitter-md",
+ "tree-sitter-python",
 "tree-sitter-ruby",
 "tree-sitter-rust",
 "tree-sitter-typescript",
@@ -7811,6 +7843,7 @@ dependencies = [
 "partial-json-fixer",
 "project",
 "proto",
+ "release_channel",
 "schemars",
 "serde",
 "serde_json",
@@ -7891,6 +7924,7 @@ dependencies = [
 "log",
 "lsp",
 "node_runtime",
+ "parking_lot",
 "paths",
 "pet",
 "pet-conda",
@@ -8245,7 +8279,7 @@ dependencies = [
 "prost 0.9.0",
 "prost-build 0.9.0",
 "prost-types 0.9.0",
- "reqwest 0.12.15",
+ "reqwest 0.12.15 (git+https://github.com/zed-industries/reqwest.git?rev=951c770a32f1998d6e999cef3e59e0013e6c4415)",
 "serde",
 "workspace-hack",
 ]
@@ -8973,6 +9007,18 @@ version = "1.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "650eef8c711430f1a879fdd01d4745a7deea475becfb90269c06775983bbf086"

+[[package]]
+name = "nix"
+version = "0.28.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ab2156c4fce2f8df6c499cc1c763e4394b7482525bf2a9701c9d79d215f519e4"
+dependencies = [
+ "bitflags 2.9.0",
+ "cfg-if",
+ "cfg_aliases 0.1.1",
+ "libc",
+]
+
 [[package]]
 name = "nix"
 version = "0.29.0"
@@ -9155,6 +9201,12 @@ dependencies = [
 "zeroize",
 ]

+[[package]]
+name = "num-cmp"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "63335b2e2c34fae2fb0aa2cecfd9f0832a1e24b3b32ecec612c3426d46dc8aaa"
+
 [[package]]
 name = "num-complex"
 version = "0.4.6"
@@ -10103,7 +10155,7 @@ name = "perplexity"
 version = "0.1.0"
 dependencies = [
 "serde",
- "zed_extension_api 0.4.0",
+ "zed_extension_api 0.5.0",
 ]

 [[package]]
@@ -10790,6 +10842,27 @@ dependencies = [
 "portable-atomic",
 ]

+[[package]]
+name = "portable-pty"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4a596a2b3d2752d94f51fac2d4a96737b8705dddd311a32b9af47211f08671e"
+dependencies = [
+ "anyhow",
+ "bitflags 1.3.2",
+ "downcast-rs",
+ "filedescriptor",
+ "lazy_static",
+ "libc",
+ "log",
+ "nix 0.28.0",
+ "serial2",
+ "shared_library",
+ "shell-words",
+ "winapi",
+ "winreg 0.10.1",
+]
+
 [[package]]
 name = "postage"
 version = "0.5.0"
@@ -10965,6 +11038,7 @@ dependencies = [
 "client",
 "clock",
 "collections",
+ "context_server",
 "dap",
 "dap_adapters",
 "env_logger 0.11.8",
@@ -11114,6 +11188,7 @@ dependencies = [
 "paths",
 "rope",
 "serde",
+ "serde_json",
 "text",
 "util",
 "uuid",
@@ -11747,6 +11822,20 @@ dependencies = [
 "syn 2.0.100",
 ]

+[[package]]
+name = "referencing"
+version = "0.30.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c8eff4fa778b5c2a57e85c5f2fe3a709c52f0e60d23146e2151cbef5893f420e"
+dependencies = [
+ "ahash 0.8.11",
+ "fluent-uri",
+ "once_cell",
+ "parking_lot",
+ "percent-encoding",
+ "serde_json",
+]
+
 [[package]]
 name = "refineable"
 version = "0.1.0"
@@ -12016,6 +12105,43 @@ dependencies = [
 "winreg 0.50.0",
 ]

+[[package]]
+name = "reqwest"
+version = "0.12.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d19c46a6fdd48bc4dab94b6103fccc55d34c67cc0ad04653aad4ea2a07cd7bbb"
+dependencies = [
+ "base64 0.22.1",
+ "bytes 1.10.1",
+ "futures-channel",
+ "futures-core",
+ "futures-util",
+ "http 1.3.1",
+ "http-body 1.0.1",
+ "http-body-util",
+ "hyper 1.6.0",
+ "hyper-util",
+ "ipnet",
+ "js-sys",
+ "log",
+ "mime",
+ "once_cell",
+ "percent-encoding",
+ "pin-project-lite",
+ "serde",
+ "serde_json",
+ "serde_urlencoded",
+ "sync_wrapper 1.0.2",
+ "tokio",
+ "tower 0.5.2",
+ "tower-service",
+ "url",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "web-sys",
+ "windows-registry 0.4.0",
+]
+
 [[package]]
 name = "reqwest"
 version = "0.12.15"
@@ -12076,7 +12202,7 @@ dependencies = [
 "http_client_tls",
 "log",
 "regex",
- "reqwest 0.12.15",
+ "reqwest 0.12.15 (git+https://github.com/zed-industries/reqwest.git?rev=951c770a32f1998d6e999cef3e59e0013e6c4415)",
 "serde",
 "smol",
 "tokio",
@@ -13149,6 +13275,17 @@ dependencies = [
 "serde",
 ]

+[[package]]
+name = "serial2"
+version = "0.2.29"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c7d1d08630509d69f90eff4afcd02c3bd974d979225cbd815ff5942351b14375"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "winapi",
+]
+
 [[package]]
 name = "session"
 version = "0.1.0"
@@ -13249,6 +13386,16 @@ dependencies = [
 "lazy_static",
 ]

+[[package]]
+name = "shared_library"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a9e7e0f2bfae24d8a5b5a66c5b257a83c7412304311512a0c054cd5e619da11"
+dependencies = [
+ "lazy_static",
+ "libc",
+]
+
 [[package]]
 name = "shell-words"
 version = "1.1.0"
@@ -14541,6 +14688,7 @@ dependencies = [
 "log",
 "project",
 "rand 0.8.5",
+ "regex",
 "schemars",
 "search",
 "serde",
@@ -14877,7 +15025,6 @@ dependencies = [
 "client",
 "collections",
 "db",
- "feature_flags",
 "gpui",
 "http_client",
 "notifications",
@@ -15927,6 +16074,17 @@ dependencies = [
 "sha1_smol",
 ]

+[[package]]
+name = "uuid-simd"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23b082222b4f6619906941c17eb2297fff4c2fb96cb60164170522942a200bd8"
+dependencies = [
+ "outref",
+ "uuid",
+ "vsimd",
+]
+
 [[package]]
 name = "v_frame"
 version = "0.3.8"
@@ -16872,18 +17030,22 @@ version = "0.1.0"
 dependencies = [
 "anyhow",
 "client",
+ "component",
 "db",
+ "documented",
 "editor",
 "fuzzy",
 "gpui",
 "install_cli",
 "language",
+ "linkme",
 "picker",
 "project",
 "schemars",
 "serde",
 "settings",
 "telemetry",
+ "theme",
 "ui",
 "util",
 "vim_mode_setting",
@@ -17588,6 +17750,15 @@ dependencies = [
 "memchr",
 ]

+[[package]]
+name = "winreg"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "80d0f4e272c85def139476380b12f9ac60926689dd2e01d4923222f40580869d"
+dependencies = [
+ "winapi",
+]
+
 [[package]]
 name = "winreg"
 version = "0.50.0"
@@ -17918,7 +18089,6 @@ dependencies = [
 "component",
 "dap",
 "db",
- "derive_more",
 "env_logger 0.11.8",
 "fs",
 "futures 0.3.31",
@@ -17927,6 +18097,7 @@ dependencies = [
 "itertools 0.14.0",
 "language",
 "log",
+ "menu",
 "node_runtime",
 "parking_lot",
 "postage",
@@ -18016,12 +18187,14 @@ dependencies = [
 "getrandom 0.2.15",
 "getrandom 0.3.2",
 "gimli",
+ "handlebars 4.5.0",
 "hashbrown 0.14.5",
 "hashbrown 0.15.2",
 "heck 0.4.1",
 "hmac",
 "hyper 0.14.32",
 "hyper-rustls 0.27.5",
+ "idna",
 "indexmap",
 "inout",
 "itertools 0.12.1",
@@ -18039,12 +18212,13 @@ dependencies = [
 "miniz_oxide",
 "mio",
 "naga",
- "nix",
+ "nix 0.29.0",
 "nom",
 "num-bigint",
 "num-bigint-dig",
 "num-integer",
 "num-iter",
+ "num-rational",
 "num-traits",
 "object",
 "once_cell",
@@ -18415,7 +18589,7 @@ dependencies = [
 "futures-core",
 "futures-lite 2.6.0",
 "hex",
- "nix",
+ "nix 0.29.0",
 "ordered-stream",
 "serde",
 "serde_repr",
@@ -18459,7 +18633,7 @@ dependencies = [

 [[package]]
 name = "zed"
-version = "0.185.0"
+version = "0.187.0"
 dependencies = [
 "activity_indicator",
 "agent",
@@ -18467,7 +18641,6 @@ dependencies = [
 "ashpd",
 "askpass",
 "assets",
- "assistant",
 "assistant_context_editor",
 "assistant_settings",
 "assistant_tools",
@@ -18528,7 +18701,7 @@ dependencies = [
 "menu",
 "migrator",
 "mimalloc",
- "nix",
+ "nix 0.29.0",
 "node_runtime",
 "notifications",
 "outline",
@@ -18626,7 +18799,7 @@ dependencies = [

 [[package]]
 name = "zed_extension_api"
-version = "0.4.0"
+version = "0.5.0"
 dependencies = [
 "serde",
 "serde_json",
@@ -18649,9 +18822,9 @@ dependencies = [

 [[package]]
 name = "zed_llm_client"
-version = "0.7.1"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cc9ec491b7112cb8c2fba3c17d9a349d8ab695fb1a4ef6c5c4b9fd8d7aa975c1"
+checksum = "a23b2fd00776b0c55072f389654910ceb501eb0083d7f78905ab0e5cc86949ec"
 dependencies = [
 "anyhow",
 "serde",
@@ -18686,7 +18859,7 @@ dependencies = [
 name = "zed_test_extension"
 version = "0.1.0"
 dependencies = [
- "zed_extension_api 0.4.0",
+ "zed_extension_api 0.5.0",
 ]

 [[package]]
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,7 +6,6 @@ members = [
    "crates/anthropic",
    "crates/askpass",
    "crates/assets",
-    "crates/assistant",
    "crates/assistant_context_editor",
    "crates/assistant_settings",
    "crates/assistant_slash_command",
@@ -34,7 +33,6 @@ members = [
    "crates/component",
    "crates/component_preview",
    "crates/context_server",
-    "crates/context_server_settings",
    "crates/copilot",
    "crates/credentials_provider",
    "crates/dap",
@@ -215,7 +213,6 @@ ai = { path = "crates/ai" }
 anthropic = { path = "crates/anthropic" }
 askpass = { path = "crates/askpass" }
 assets = { path = "crates/assets" }
-assistant = { path = "crates/assistant" }
 assistant_context_editor = { path = "crates/assistant_context_editor" }
 assistant_settings = { path = "crates/assistant_settings" }
 assistant_slash_command = { path = "crates/assistant_slash_command" }
@@ -243,7 +240,6 @@ command_palette_hooks = { path = "crates/command_palette_hooks" }
 component = { path = "crates/component" }
 component_preview = { path = "crates/component_preview" }
 context_server = { path = "crates/context_server" }
-context_server_settings = { path = "crates/context_server_settings" }
 copilot = { path = "crates/copilot" }
 credentials_provider = { path = "crates/credentials_provider" }
 dap = { path = "crates/dap" }
@@ -435,6 +431,7 @@ dap-types = { git = "https://github.com/zed-industries/dap-types", rev = "be69a0
 dashmap = "6.0"
 derive_more = "0.99.17"
 dirs = "4.0"
+documented = "0.9.1"
 dotenv = "0.15.0"
 ec4rs = "1.1"
 emojis = "0.6.1"
@@ -461,6 +458,7 @@ indexmap = { version = "2.7.0", features = ["serde"] }
 indoc = "2"
 inventory = "0.3.19"
 itertools = "0.14.0"
+jsonschema = "0.30.0"
 jsonwebtoken = "9.3"
 jupyter-protocol = { git = "https://github.com/ConradIrwin/runtimed", rev = "7130c804216b6914355d15d0b91ea91f6babd734" }
 jupyter-websocket-client = {  git = "https://github.com/ConradIrwin/runtimed" ,rev = "7130c804216b6914355d15d0b91ea91f6babd734" }
@@ -492,6 +490,7 @@ pet-fs = { git = "https://github.com/microsoft/python-environment-tools.git", re
 pet-pixi = { git = "https://github.com/microsoft/python-environment-tools.git", rev = "845945b830297a50de0e24020b980a65e4820559" }
 pet-poetry = { git = "https://github.com/microsoft/python-environment-tools.git", rev = "845945b830297a50de0e24020b980a65e4820559" }
 pet-reporter = { git = "https://github.com/microsoft/python-environment-tools.git", rev = "845945b830297a50de0e24020b980a65e4820559" }
+portable-pty = "0.9.0"
 postage = { version = "0.5", features = ["futures-traits"] }
 pretty_assertions = { version = "1.3.0", features = ["unstable"] }
 proc-macro2 = "1.0.93"
@@ -609,7 +608,7 @@ wasmtime-wasi = "29"
 which = "6.0.0"
 wit-component = "0.221"
 workspace-hack = "0.1.0"
-zed_llm_client = "0.7.1"
+zed_llm_client = "0.8.0"
 zstd = "0.11"

 [workspace.dependencies.async-stripe]
@@ -797,5 +796,6 @@ ignored = [
    "serde",
    "component",
    "linkme",
+    "documented",
    "workspace-hack",
 ]
--- a/assets/icons/crosshair.svg
+++ b/assets/icons/crosshair.svg
@@ -0,0 +1,7 @@
+<svg width="14" height="14" viewBox="0 0 14 14" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M7 12C9.76142 12 12 9.76142 12 7C12 4.23858 9.76142 2 7 2C4.23858 2 2 4.23858 2 7C2 9.76142 4.23858 12 7 12Z" stroke="black" stroke-width="1.33" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M11.5 7H9" stroke="black" stroke-width="1.33" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M4.5 7H2" stroke="black" stroke-width="1.33" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M7 4.5V2" stroke="black" stroke-width="1.33" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M7 11.5V9" stroke="black" stroke-width="1.33" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>
--- a/assets/icons/debug_disconnect.svg
+++ b/assets/icons/debug_disconnect.svg
--- a/assets/icons/document_text.svg
+++ b/assets/icons/document_text.svg
@@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="currentColor" class="size-5">
+  <path fill-rule="evenodd" d="M4.5 2A1.5 1.5 0 0 0 3 3.5v13A1.5 1.5 0 0 0 4.5 18h11a1.5 1.5 0 0 0 1.5-1.5V7.621a1.5 1.5 0 0 0-.44-1.06l-4.12-4.122A1.5 1.5 0 0 0 11.378 2H4.5Zm2.25 8.5a.75.75 0 0 0 0 1.5h6.5a.75.75 0 0 0 0-1.5h-6.5Zm0 3a.75.75 0 0 0 0 1.5h6.5a.75.75 0 0 0 0-1.5h-6.5Z" clip-rule="evenodd" />
+</svg>
--- a/assets/icons/hammer.svg
+++ b/assets/icons/hammer.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-hammer-icon lucide-hammer"><path d="m15 12-8.373 8.373a1 1 0 1 1-3-3L12 9"/><path d="m18 15 4-4"/><path d="m21.5 11.5-1.914-1.914A2 2 0 0 1 19 8.172V7l-2.26-2.26a6 6 0 0 0-4.202-1.756L9 2.96l.92.82A6.18 6.18 0 0 1 12 8.4V10l2 2h1.172a2 2 0 0 1 1.414.586L18.5 14.5"/></svg>
--- a/assets/icons/list_collapse.svg
+++ b/assets/icons/list_collapse.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-list-collapse-icon lucide-list-collapse"><path d="m3 10 2.5-2.5L3 5"/><path d="m3 19 2.5-2.5L3 14"/><path d="M10 6h11"/><path d="M10 12h11"/><path d="M10 18h11"/></svg>
--- a/assets/icons/menu_alt.svg
+++ b/assets/icons/menu_alt.svg
@@ -0,0 +1,5 @@
+<svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M4 12H16" stroke="black" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M4 6H20" stroke="black" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M4 18H12" stroke="black" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>
--- a/assets/icons/scissors.svg
+++ b/assets/icons/scissors.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-scissors-icon lucide-scissors"><circle cx="6" cy="6" r="3"/><path d="M8.12 8.12 12 12"/><path d="M20 4 8.12 15.88"/><circle cx="6" cy="18" r="3"/><path d="M14.8 14.8 20 20"/></svg>
--- a/assets/icons/thumbs_down.svg
+++ b/assets/icons/thumbs_down.svg
@@ -1 +1,3 @@
-<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-thumbs-down"><path d="M17 14V2"/><path d="M9 18.12 10 14H4.17a2 2 0 0 1-1.92-2.56l2.33-8A2 2 0 0 1 6.5 2H20a2 2 0 0 1 2 2v8a2 2 0 0 1-2 2h-2.76a2 2 0 0 0-1.79 1.11L12 22a3.13 3.13 0 0 1-3-3.88Z"/></svg>
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="currentColor" class="size-5">
+  <path d="M18.905 12.75a1.25 1.25 0 1 1-2.5 0v-7.5a1.25 1.25 0 0 1 2.5 0v7.5ZM8.905 17v1.3c0 .268-.14.526-.395.607A2 2 0 0 1 5.905 17c0-.995.182-1.948.514-2.826.204-.54-.166-1.174-.744-1.174h-2.52c-1.243 0-2.261-1.01-2.146-2.247.193-2.08.651-4.082 1.341-5.974C2.752 3.678 3.833 3 5.005 3h3.192a3 3 0 0 1 1.341.317l2.734 1.366A3 3 0 0 0 13.613 5h1.292v7h-.963c-.685 0-1.258.482-1.612 1.068a4.01 4.01 0 0 1-2.166 1.73c-.432.143-.853.386-1.011.814-.16.432-.248.9-.248 1.388Z" />
+</svg>
--- a/assets/icons/thumbs_up.svg
+++ b/assets/icons/thumbs_up.svg
@@ -1 +1,3 @@
-<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-thumbs-up"><path d="M7 10v12"/><path d="M15 5.88 14 10h5.83a2 2 0 0 1 1.92 2.56l-2.33 8A2 2 0 0 1 17.5 22H4a2 2 0 0 1-2-2v-8a2 2 0 0 1 2-2h2.76a2 2 0 0 0 1.79-1.11L12 2a3.13 3.13 0 0 1 3 3.88Z"/></svg>
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="currentColor" class="size-5">
+  <path d="M1 8.25a1.25 1.25 0 1 1 2.5 0v7.5a1.25 1.25 0 1 1-2.5 0v-7.5ZM11 3V1.7c0-.268.14-.526.395-.607A2 2 0 0 1 14 3c0 .995-.182 1.948-.514 2.826-.204.54.166 1.174.744 1.174h2.52c1.243 0 2.261 1.01 2.146 2.247a23.864 23.864 0 0 1-1.341 5.974C17.153 16.323 16.072 17 14.9 17h-3.192a3 3 0 0 1-1.341-.317l-2.734-1.366A3 3 0 0 0 6.292 15H5V8h.963c.685 0 1.258-.483 1.612-1.068a4.011 4.011 0 0 1 2.166-1.73c.432-.143.853-.386 1.011-.814.16-.432.248-.9.248-1.388Z" />
+</svg>
--- a/assets/icons/user_check.svg
+++ b/assets/icons/user_check.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-user-round-check-icon lucide-user-round-check"><path d="M2 21a8 8 0 0 1 13.292-6"/><circle cx="10" cy="8" r="5"/><path d="m16 19 2 2 4-4"/></svg>
--- a/assets/icons/zed_max_mode.svg
+++ b/assets/icons/zed_max_mode.svg
@@ -0,0 +1,14 @@
+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+<g clip-path="url(#clip0_2489_484)">
+<path d="M11 8.9V11C8.51716 11 7.48284 11 5 11V10.4L11 5.6V5H5V7.1" stroke="black" stroke-width="1.5"/>
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+<path d="M14.5 10.5V14.5H11" stroke="black" stroke-opacity="0.5" stroke-width="1.5"/>
+</g>
+<defs>
+<clipPath id="clip0_2489_484">
+<rect width="16" height="16" fill="white"/>
+</clipPath>
+</defs>
+</svg>
--- a/assets/images/ai_grid.svg
+++ b/assets/images/ai_grid.svg
@@ -0,0 +1,334 @@
+<svg width="400" height="92" viewBox="0 0 400 92" fill="none" xmlns="http://www.w3.org/2000/svg">
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--- a/assets/keymaps/default-linux.json
+++ b/assets/keymaps/default-linux.json
@@ -194,6 +194,16 @@
      "alt-shift-y": "git::UnstageAndNext"
    }
  },
+  {
+    "context": "Editor && editor_agent_diff",
+    "bindings": {
+      "ctrl-y": "agent::Keep",
+      "ctrl-n": "agent::Reject",
+      "ctrl-shift-y": "agent::KeepAll",
+      "ctrl-shift-n": "agent::RejectAll",
+      "shift-ctrl-r": "agent::OpenAgentDiff"
+    }
+  },
  {
    "context": "AgentDiff",
    "bindings": {
@@ -203,21 +213,6 @@
      "ctrl-shift-n": "agent::RejectAll"
    }
  },
-  {
-    "context": "AssistantPanel",
-    "bindings": {
-      "ctrl-k c": "assistant::CopyCode",
-      "ctrl-shift-e": "project_panel::ToggleFocus",
-      "ctrl-g": "search::SelectNextMatch",
-      "ctrl-shift-g": "search::SelectPreviousMatch",
-      "ctrl-alt-/": "assistant::ToggleModelSelector",
-      "ctrl-k h": "assistant::DeployHistory",
-      "ctrl-k l": "assistant::OpenRulesLibrary",
-      "new": "assistant::NewChat",
-      "ctrl-t": "assistant::NewChat",
-      "ctrl-n": "assistant::NewChat"
-    }
-  },
  {
    "context": "ContextEditor > Editor",
    "bindings": {
@@ -227,11 +222,14 @@
      "save": "workspace::Save",
      "ctrl->": "assistant::QuoteSelection",
      "ctrl-<": "assistant::InsertIntoEditor",
-      "ctrl-alt-/": "assistant::ToggleModelSelector",
      "shift-enter": "assistant::Split",
      "ctrl-r": "assistant::CycleMessageRole",
      "enter": "assistant::ConfirmCommand",
-      "alt-enter": "editor::Newline"
+      "alt-enter": "editor::Newline",
+      "ctrl-k c": "assistant::CopyCode",
+      "ctrl-g": "search::SelectNextMatch",
+      "ctrl-shift-g": "search::SelectPreviousMatch",
+      "ctrl-k l": "agent::OpenRulesLibrary"
    }
  },
  {
@@ -241,13 +239,21 @@
      "ctrl-alt-n": "agent::NewTextThread",
      "ctrl-shift-h": "agent::OpenHistory",
      "ctrl-alt-c": "agent::OpenConfiguration",
-      "ctrl-alt-p": "assistant::OpenRulesLibrary",
+      "ctrl-alt-p": "agent::OpenRulesLibrary",
      "ctrl-i": "agent::ToggleProfileSelector",
-      "ctrl-alt-/": "assistant::ToggleModelSelector",
+      "ctrl-alt-/": "agent::ToggleModelSelector",
      "ctrl-shift-a": "agent::ToggleContextPicker",
+      "ctrl-shift-o": "agent::ToggleNavigationMenu",
+      "ctrl-shift-i": "agent::ToggleOptionsMenu",
      "shift-escape": "agent::ExpandMessageEditor",
-      "ctrl-e": "agent::ChatMode",
-      "ctrl-alt-e": "agent::RemoveAllContext"
+      "ctrl-alt-e": "agent::RemoveAllContext",
+      "ctrl-shift-e": "project_panel::ToggleFocus"
+    }
+  },
+  {
+    "context": "AgentPanel > NavigationMenu",
+    "bindings": {
+      "shift-backspace": "agent::DeleteRecentlyOpenThread"
    }
  },
  {
@@ -520,6 +526,7 @@
      "shift-new": "workspace::NewWindow",
      "ctrl-shift-n": "workspace::NewWindow",
      "ctrl-`": "terminal_panel::ToggleFocus",
+      "f10": ["app_menu::OpenApplicationMenu", "Zed"],
      "alt-1": ["workspace::ActivatePane", 0],
      "alt-2": ["workspace::ActivatePane", 1],
      "alt-3": ["workspace::ActivatePane", 2],
@@ -550,7 +557,7 @@
      "ctrl-shift-e": "project_panel::ToggleFocus",
      "ctrl-shift-b": "outline_panel::ToggleFocus",
      "ctrl-shift-g": "git_panel::ToggleFocus",
-      "ctrl-?": "assistant::ToggleFocus",
+      "ctrl-?": "agent::ToggleFocus",
      "alt-save": "workspace::SaveAll",
      "ctrl-alt-s": "workspace::SaveAll",
      "ctrl-k m": "language_selector::Toggle",
@@ -578,6 +585,7 @@
  {
    "context": "ApplicationMenu",
    "bindings": {
+      "f10": "menu::Cancel",
      "left": "app_menu::ActivateMenuLeft",
      "right": "app_menu::ActivateMenuRight"
    }
@@ -690,8 +698,8 @@
  {
    "context": "PromptEditor",
    "bindings": {
-      "ctrl-[": "assistant::CyclePreviousInlineAssist",
-      "ctrl-]": "assistant::CycleNextInlineAssist",
+      "ctrl-[": "agent::CyclePreviousInlineAssist",
+      "ctrl-]": "agent::CycleNextInlineAssist",
      "ctrl-alt-e": "agent::RemoveAllContext"
    }
  },
@@ -952,5 +960,20 @@
    "bindings": {
      "escape": "menu::Cancel"
    }
+  },
+  {
+    "context": "ConfigureContextServerModal > Editor",
+    "bindings": {
+      "escape": "menu::Cancel",
+      "enter": "editor::Newline",
+      "ctrl-enter": "menu::Confirm"
+    }
+  },
+  {
+    "context": "Diagnostics",
+    "use_key_equivalents": true,
+    "bindings": {
+      "ctrl-r": "diagnostics::ToggleDiagnosticsRefresh"
+    }
  }
 ]
--- a/assets/keymaps/default-macos.json
+++ b/assets/keymaps/default-macos.json
@@ -248,18 +248,14 @@
    }
  },
  {
-    "context": "AssistantPanel",
+    "context": "Editor && editor_agent_diff",
    "use_key_equivalents": true,
    "bindings": {
-      "cmd-k c": "assistant::CopyCode",
-      "cmd-shift-e": "project_panel::ToggleFocus",
-      "cmd-g": "search::SelectNextMatch",
-      "cmd-shift-g": "search::SelectPreviousMatch",
-      "cmd-alt-/": "assistant::ToggleModelSelector",
-      "cmd-k h": "assistant::DeployHistory",
-      "cmd-k l": "assistant::OpenRulesLibrary",
-      "cmd-t": "assistant::NewChat",
-      "cmd-n": "assistant::NewChat"
+      "cmd-y": "agent::Keep",
+      "cmd-n": "agent::Reject",
+      "cmd-shift-y": "agent::KeepAll",
+      "cmd-shift-n": "agent::RejectAll",
+      "shift-ctrl-r": "agent::OpenAgentDiff"
    }
  },
  {
@@ -271,11 +267,14 @@
      "cmd-s": "workspace::Save",
      "cmd->": "assistant::QuoteSelection",
      "cmd-<": "assistant::InsertIntoEditor",
-      "cmd-alt-/": "assistant::ToggleModelSelector",
      "shift-enter": "assistant::Split",
      "ctrl-r": "assistant::CycleMessageRole",
      "enter": "assistant::ConfirmCommand",
-      "alt-enter": "editor::Newline"
+      "alt-enter": "editor::Newline",
+      "cmd-k c": "assistant::CopyCode",
+      "cmd-g": "search::SelectNextMatch",
+      "cmd-shift-g": "search::SelectPreviousMatch",
+      "cmd-k l": "agent::OpenRulesLibrary"
    }
  },
  {
@@ -286,13 +285,21 @@
      "cmd-alt-n": "agent::NewTextThread",
      "cmd-shift-h": "agent::OpenHistory",
      "cmd-alt-c": "agent::OpenConfiguration",
-      "cmd-alt-p": "assistant::OpenRulesLibrary",
+      "cmd-alt-p": "agent::OpenRulesLibrary",
      "cmd-i": "agent::ToggleProfileSelector",
-      "cmd-alt-/": "assistant::ToggleModelSelector",
+      "cmd-alt-/": "agent::ToggleModelSelector",
      "cmd-shift-a": "agent::ToggleContextPicker",
+      "cmd-shift-o": "agent::ToggleNavigationMenu",
+      "cmd-shift-i": "agent::ToggleOptionsMenu",
      "shift-escape": "agent::ExpandMessageEditor",
-      "cmd-e": "agent::ChatMode",
-      "cmd-alt-e": "agent::RemoveAllContext"
+      "cmd-alt-e": "agent::RemoveAllContext",
+      "cmd-shift-e": "project_panel::ToggleFocus"
+    }
+  },
+  {
+    "context": "AgentPanel > NavigationMenu",
+    "bindings": {
+      "shift-backspace": "agent::DeleteRecentlyOpenThread"
    }
  },
  {
@@ -617,7 +624,7 @@
      "cmd-shift-e": "project_panel::ToggleFocus",
      "cmd-shift-b": "outline_panel::ToggleFocus",
      "ctrl-shift-g": "git_panel::ToggleFocus",
-      "cmd-?": "assistant::ToggleFocus",
+      "cmd-?": "agent::ToggleFocus",
      "cmd-alt-s": "workspace::SaveAll",
      "cmd-k m": "language_selector::Toggle",
      "escape": "workspace::Unfollow",
@@ -756,10 +763,10 @@
    "use_key_equivalents": true,
    "bindings": {
      "cmd-shift-a": "agent::ToggleContextPicker",
-      "cmd-alt-/": "assistant::ToggleModelSelector",
+      "cmd-alt-/": "agent::ToggleModelSelector",
      "cmd-alt-e": "agent::RemoveAllContext",
-      "ctrl-[": "assistant::CyclePreviousInlineAssist",
-      "ctrl-]": "assistant::CycleNextInlineAssist"
+      "ctrl-[": "agent::CyclePreviousInlineAssist",
+      "ctrl-]": "agent::CycleNextInlineAssist"
    }
  },
  {
@@ -1060,5 +1067,21 @@
    "bindings": {
      "escape": "menu::Cancel"
    }
+  },
+  {
+    "context": "ConfigureContextServerModal > Editor",
+    "use_key_equivalents": true,
+    "bindings": {
+      "escape": "menu::Cancel",
+      "enter": "editor::Newline",
+      "cmd-enter": "menu::Confirm"
+    }
+  },
+  {
+    "context": "Diagnostics",
+    "use_key_equivalents": true,
+    "bindings": {
+      "ctrl-r": "diagnostics::ToggleDiagnosticsRefresh"
+    }
  }
 ]
--- a/assets/keymaps/vim.json
+++ b/assets/keymaps/vim.json
@@ -50,6 +50,12 @@
      "] -": "vim::NextLesserIndent",
      "] +": "vim::NextGreaterIndent",
      "] =": "vim::NextSameIndent",
+      "] b": "pane::ActivateNextItem",
+      "[ b": "pane::ActivatePreviousItem",
+      "] shift-b": "pane::ActivateLastItem",
+      "[ shift-b": ["pane::ActivateItem", 0],
+      "] space": "vim::InsertEmptyLineBelow",
+      "[ space": "vim::InsertEmptyLineAbove",
      // Word motions
      "w": "vim::NextWordStart",
      "e": "vim::NextWordEnd",
@@ -108,7 +114,11 @@
      "ctrl-e": "vim::LineDown",
      "ctrl-y": "vim::LineUp",
      // "g" commands
-      "g r": "vim::PushReplaceWithRegister",
+      "g shift-r": "vim::PushReplaceWithRegister",
+      "g r n": "editor::Rename",
+      "g r r": "editor::FindAllReferences",
+      "g r i": "editor::GoToImplementation",
+      "g r a": "editor::ToggleCodeActions",
      "g g": "vim::StartOfDocument",
      "g h": "editor::Hover",
      "g t": "pane::ActivateNextItem",
@@ -127,6 +137,7 @@
      "g <": ["editor::SelectPrevious", { "replace_newest": true }],
      "g a": "editor::SelectAllMatches",
      "g s": "outline::Toggle",
+      "g shift-o": "outline::Toggle",
      "g shift-s": "project_symbols::Toggle",
      "g .": "editor::ToggleCodeActions", // zed specific
      "g shift-a": "editor::FindAllReferences", // zed specific
@@ -305,7 +316,7 @@
      "!": "vim::ShellCommand",
      "i": ["vim::PushObject", { "around": false }],
      "a": ["vim::PushObject", { "around": true }],
-      "g r": ["vim::Paste", { "preserve_clipboard": true }],
+      "g shift-r": ["vim::Paste", { "preserve_clipboard": true }],
      "g c": "vim::ToggleComments",
      "g q": "vim::Rewrap",
      "g ?": "vim::ConvertToRot13",
@@ -339,7 +350,8 @@
      "ctrl-shift-q": ["vim::PushLiteral", {}],
      "ctrl-r": "vim::PushRegister",
      "insert": "vim::ToggleReplace",
-      "ctrl-o": "vim::TemporaryNormal"
+      "ctrl-o": "vim::TemporaryNormal",
+      "ctrl-s": "editor::ShowSignatureHelp"
    }
  },
  {
@@ -504,12 +516,14 @@
      "'": "vim::Quotes",
      "`": "vim::BackQuotes",
      "\"": "vim::DoubleQuotes",
-      "q": "vim::AnyQuotes",
+      // "q": "vim::AnyQuotes",
+      "q": "vim::MiniQuotes",
      "|": "vim::VerticalBars",
      "(": "vim::Parentheses",
      ")": "vim::Parentheses",
      "b": "vim::Parentheses",
      // "b": "vim::AnyBrackets",
+      // "b": "vim::MiniBrackets",
      "[": "vim::SquareBrackets",
      "]": "vim::SquareBrackets",
      "r": "vim::SquareBrackets",
@@ -630,9 +644,10 @@
    }
  },
  {
-    "context": "vim_operator == gr",
+    "context": "vim_operator == gR",
    "bindings": {
-      "r": "vim::CurrentLine"
+      "r": "vim::CurrentLine",
+      "shift-r": "vim::CurrentLine"
    }
  },
  {
--- a/assets/prompts/assistant_system_prompt.hbs
+++ b/assets/prompts/assistant_system_prompt.hbs
@@ -3,11 +3,12 @@ You are a highly skilled software engineer with extensive knowledge in many prog
 ## Communication

 1. Be conversational but professional.
-2. Refer to the USER in the second person and yourself in the first person.
+2. Refer to the user in the second person and yourself in the first person.
 3. Format your responses in markdown. Use backticks to format file, directory, function, and class names.
 4. NEVER lie or make things up.
 5. Refrain from apologizing all the time when results are unexpected. Instead, just try your best to proceed or explain the circumstances to the user without apologizing.

+{{#if has_tools}}
 ## Tool Use

 1. Make sure to adhere to the tools schema.
@@ -15,26 +16,113 @@ You are a highly skilled software engineer with extensive knowledge in many prog
 3. DO NOT use tools to access items that are already available in the context section.
 4. Use only the tools that are currently available.
 5. DO NOT use a tool that is not available just because it appears in the conversation. This means the user turned it off.
+6. NEVER run commands that don't terminate on their own such as web servers (like `npm run start`, `npm run dev`, `python -m http.server`, etc) or file watchers.

 ## Searching and Reading

 If you are unsure how to fulfill the user's request, gather more information with tool calls and/or clarifying questions.

 {{! TODO: If there are files, we should mention it but otherwise omit that fact }}
+{{#if has_tools}}
 If appropriate, use tool calls to explore the current project, which contains the following root directories:

 {{#each worktrees}}
 - `{{root_name}}`
 {{/each}}

+- Bias towards not asking the user for help if you can find the answer yourself.
 - When providing paths to tools, the path should always begin with a path that starts with a project root directory listed above.
+- Before you read or edit a file, you must first find the full path. DO NOT ever guess a file path!
+{{# if (has_tool 'grep') }}
 - When looking for symbols in the project, prefer the `grep` tool.
 - As you learn about the structure of the project, use that information to scope `grep` searches to targeted subtrees of the project.
- Bias towards not asking the user for help if you can find the answer yourself.
-{{! TODO: Only mention tools if they are enabled }}
 - The user might specify a partial file path. If you don't know the full path, use `find_path` (not `grep`) before you read the file.
- Before you read or edit a file, you must first find the full path. DO NOT ever guess a file path!
+{{/if}}
+{{/if}}
+{{else}}
+You are being tasked with providing a response, but you have no ability to use tools or to read or write any aspect of the user's system (other than any context the user might have provided to you).

+As such, if you need the user to perform any actions for you, you must request them explicitly. Bias towards giving a response to the best of your ability, and then making requests for the user to take action (e.g. to give you more context) only optionally.
+
+The one exception to this is if the user references something you don't know about - for example, the name of a source code file, function, type, or other piece of code that you have no awareness of. In this case, you MUST NOT MAKE SOMETHING UP, or assume you know what that thing is or how it works. Instead, you must ask the user for clarification rather than giving a response.
+{{/if}}
+
+## Code Block Formatting
+
+Whenever you mention a code block, you MUST use ONLY use the following format:
+```path/to/Something.blah#L123-456
+(code goes here)
+```
+The `#L123-456` means the line number range 123 through 456, and the path/to/Something.blah
+is a path in the project. (If there is no valid path in the project, then you can use
+/dev/null/path.extension for its path.) This is the ONLY valid way to format code blocks, because the Markdown parser
+does not understand the more common ```language syntax, or bare ``` blocks. It only
+understands this path-based syntax, and if the path is missing, then it will error and you will have to do it over again.
+Just to be really clear about this, if you ever find yourself writing three backticks followed by a language name, STOP!
+You have made a mistake. You can only ever put paths after triple backticks!
+<example>
+Based on all the information I've gathered, here's a summary of how this system works:
+1. The README file is loaded into the system.
+2. The system finds the first two headers, including everything in between. In this case, that would be:
+```path/to/README.md#L8-12
+# First Header
+This is the info under the first header.
+## Sub-header
+```
+3. Then the system finds the last header in the README:
+```path/to/README.md#L27-29
+## Last Header
+This is the last header in the README.
+```
+4. Finally, it passes this information on to the next process.
+</example>
+<example>
+In Markdown, hash marks signify headings. For example:
+```/dev/null/example.md#L1-3
+# Level 1 heading
+## Level 2 heading
+### Level 3 heading
+```
+</example>
+Here are examples of ways you must never render code blocks:
+<bad_example_do_not_do_this>
+In Markdown, hash marks signify headings. For example:
+```
+# Level 1 heading
+## Level 2 heading
+### Level 3 heading
+```
+</bad_example_do_not_do_this>
+This example is unacceptable because it does not include the path.
+<bad_example_do_not_do_this>
+In Markdown, hash marks signify headings. For example:
+```markdown
+# Level 1 heading
+## Level 2 heading
+### Level 3 heading
+```
+</bad_example_do_not_do_this>
+This example is unacceptable because it has the language instead of the path.
+<bad_example_do_not_do_this>
+In Markdown, hash marks signify headings. For example:
+    # Level 1 heading
+    ## Level 2 heading
+    ### Level 3 heading
+</bad_example_do_not_do_this>
+This example is unacceptable because it uses indentation to mark the code block
+instead of backticks with a path.
+<bad_example_do_not_do_this>
+In Markdown, hash marks signify headings. For example:
+```markdown
+/dev/null/example.md#L1-3
+# Level 1 heading
+## Level 2 heading
+### Level 3 heading
+```
+</bad_example_do_not_do_this>
+This example is unacceptable because the path is in the wrong place. The path must be directly after the opening backticks.
+
+{{#if has_tools}}
 ## Fixing Diagnostics

 1. Make 1-2 attempts at fixing diagnostics, then defer to the user.
@@ -48,10 +136,11 @@ Otherwise, follow debugging best practices:
 2. Add descriptive logging statements and error messages to track variable and code state.
 3. Add test functions and statements to isolate the problem.

+{{/if}}
 ## Calling External APIs

 1. Unless explicitly requested by the user, use the best suited external APIs and packages to solve the task. There is no need to ask the user for permission.
-2. When selecting which version of an API or package to use, choose one that is compatible with the user's dependency management file. If no such file exists or if the package is not present, use the latest version that is in your training data.
+2. When selecting which version of an API or package to use, choose one that is compatible with the user's dependency management file(s). If no such file exists or if the package is not present, use the latest version that is in your training data.
 3. If an external API requires an API Key, be sure to point this out to the user. Adhere to best security practices (e.g. DO NOT hardcode an API key in a place where it can be exposed)

 ## System Information
@@ -59,10 +148,10 @@ Otherwise, follow debugging best practices:
 Operating System: {{os}}
 Default Shell: {{shell}}

-{{#if (or has_rules has_default_user_rules)}}
+{{#if (or has_rules has_user_rules)}}
 ## User's Custom Instructions

-The following additional instructions are provided by the user, and should be followed to the best of your ability without interfering with the tool use guidelines.
+The following additional instructions are provided by the user, and should be followed to the best of your ability{{#if has_tools}} without interfering with the tool use guidelines{{/if}}.

 {{#if has_rules}}
 There are project rules that apply to these root directories:
--- a/assets/settings/default.json
+++ b/assets/settings/default.json
@@ -67,6 +67,8 @@
  "ui_font_weight": 400,
  // The default font size for text in the UI
  "ui_font_size": 16,
+  // The default font size for text in the agent panel
+  "agent_font_size": 16,
  // How much to fade out unused code.
  "unnecessary_code_fade": 0.3,
  // Active pane styling settings.
@@ -226,7 +228,7 @@
  // Hide the values of in variables from visual display in private files
  "redact_private_values": false,
  // The default number of lines to expand excerpts in the multibuffer by.
-  "expand_excerpt_lines": 3,
+  "expand_excerpt_lines": 5,
  // Globs to match against file paths to determine if a file is private.
  "private_files": ["**/.env*", "**/*.pem", "**/*.key", "**/*.cert", "**/*.crt", "**/secrets.yml"],
  // Whether to use additional LSP queries to format (and amend) the code after
@@ -300,8 +302,19 @@
    "breadcrumbs": true,
    // Whether to show quick action buttons.
    "quick_actions": true,
-    // Whether to show the Selections menu in the editor toolbar
-    "selections_menu": true
+    // Whether to show the Selections menu in the editor toolbar.
+    "selections_menu": true,
+    // Whether to show agent review buttons in the editor toolbar.
+    "agent_review": true
+  },
+  // Titlebar related settings
+  "title_bar": {
+    // Whether to show the branch icon beside branch switcher in the titlebar.
+    "show_branch_icon": false,
+    // Whether to show onboarding banners in the titlebar.
+    "show_onboarding_banner": true,
+    // Whether to show user picture in the titlebar.
+    "show_user_picture": true
  },
  // Scrollbar related settings
  "scrollbar": {
@@ -343,6 +356,49 @@
      "vertical": true
    }
  },
+  // Minimap related settings
+  "minimap": {
+    // When to show the minimap in the editor.
+    // This setting can take three values:
+    // 1. Show the minimap if the editor's scrollbar is visible:
+    //    "auto"
+    // 2. Always show the minimap:
+    //    "always"
+    // 3. Never show the minimap:
+    //    "never" (default)
+    "show": "never",
+    // When to show the minimap thumb.
+    // This setting can take two values:
+    // 1. Show the minimap thumb if the mouse is over the minimap:
+    //    "hover"
+    // 2. Always show the minimap thumb:
+    //    "always" (default)
+    "thumb": "always",
+    // How the minimap thumb border should look.
+    // This setting can take five values:
+    // 1. Display a border on all sides of the thumb:
+    //    "thumb_border": "full"
+    // 2. Display a border on all sides except the left side of the thumb:
+    //    "thumb_border": "left_open" (default)
+    // 3. Display a border on all sides except the right side of the thumb:
+    //    "thumb_border": "right_open"
+    // 4. Display a border only on the left side of the thumb:
+    //    "thumb_border": "left_only"
+    // 5. Display the thumb without any border:
+    //    "thumb_border": "none"
+    "thumb_border": "left_open",
+    // How to highlight the current line in the minimap.
+    // This setting can take the following values:
+    //
+    // 1. `null` to inherit the editor `current_line_highlight` setting (default)
+    // 2. "line" or "all" to highlight the current line in the minimap.
+    // 3. "gutter" or "none" to not highlight the current line in the minimap.
+    "current_line_highlight": null,
+    // The width of the minimap in pixels.
+    "width": 100,
+    // The font size of the minimap in pixels.
+    "font_size": 2
+  },
  // Enable middle-click paste on Linux.
  "middle_click_paste": true,
  // What to do when multibuffer is double clicked in some of its excerpts
@@ -357,8 +413,6 @@
  "gutter": {
    // Whether to show line numbers in the gutter.
    "line_numbers": true,
-    // Whether to show code action buttons in the gutter.
-    "code_actions": true,
    // Whether to show runnables buttons in the gutter.
    "runnables": true,
    // Whether to show breakpoints in the gutter.
@@ -601,6 +655,11 @@
    //
    // Default: main
    "fallback_branch_name": "main",
+    // Whether to sort entries in the panel by path
+    // or by status (the default).
+    //
+    // Default: false
+    "sort_by_path": false,
    "scrollbar": {
      // When to show the scrollbar in the git panel.
      //
@@ -621,37 +680,87 @@
    // Default width of the notification panel.
    "default_width": 380
  },
-  "assistant": {
+  "agent": {
    // Version of this setting.
    "version": "2",
-    // Whether the assistant is enabled.
+    // Whether the agent is enabled.
    "enabled": true,
-    // Whether to show the assistant panel button in the status bar.
+    /// What completion mode to start new threads in, if available. Can be 'normal' or 'max'.
+    "preferred_completion_mode": "normal",
+    // Whether to show the agent panel button in the status bar.
    "button": true,
-    // Where to dock the assistant panel. Can be 'left', 'right' or 'bottom'.
+    // Where to dock the agent panel. Can be 'left', 'right' or 'bottom'.
    "dock": "right",
-    // Default width when the assistant is docked to the left or right.
+    // Default width when the agent panel is docked to the left or right.
    "default_width": 640,
-    // Default height when the assistant is docked to the bottom.
+    // Default height when the agent panel is docked to the bottom.
    "default_height": 320,
-    // The default model to use when creating new chats.
+    // The default model to use when creating new threads.
    "default_model": {
      // The provider to use.
      "provider": "zed.dev",
      // The model to use.
      "model": "claude-3-7-sonnet-latest"
    },
-    // The model to use when applying edits from the assistant.
+    // The model to use when applying edits from the agent.
    "editor_model": {
      // The provider to use.
      "provider": "zed.dev",
      // The model to use.
      "model": "claude-3-7-sonnet-latest"
    },
+    // Additional parameters for language model requests. When making a request to a model, parameters will be taken
+    // from the last entry in this list that matches the model's provider and name. In each entry, both provider
+    // and model are optional, so that you can specify parameters for either one.
+    "model_parameters": [
+      // To set parameters for all requests to OpenAI models:
+      // {
+      //   "provider": "openai",
+      //   "temperature": 0.5
+      // }
+      //
+      // To set parameters for all requests in general:
+      // {
+      //   "temperature": 0
+      // }
+      //
+      // To set parameters for a specific provider and model:
+      // {
+      //   "provider": "zed.dev",
+      //   "model": "claude-3-7-sonnet-latest",
+      //   "temperature": 1.0
+      // }
+    ],
    // When enabled, the agent can run potentially destructive actions without asking for your confirmation.
    "always_allow_tool_actions": false,
+    // When enabled, the agent will stream edits.
+    "stream_edits": false,
+    // When enabled, agent edits will be displayed in single-file editors for review
+    "single_file_review": true,
    "default_profile": "write",
    "profiles": {
+      "write": {
+        "name": "Write",
+        "enable_all_context_servers": true,
+        "tools": {
+          "copy_path": true,
+          "create_directory": true,
+          "create_file": true,
+          "delete_path": true,
+          "diagnostics": true,
+          "edit_file": true,
+          "fetch": true,
+          "list_directory": true,
+          "move_path": true,
+          "now": true,
+          "find_path": true,
+          "read_file": true,
+          "grep": true,
+          "terminal": true,
+          "thinking": true,
+          "web_search": true
+        }
+      },
      "ask": {
        "name": "Ask",
        // We don't know which of the context server tools are safe for the "Ask" profile, so we don't enable them by default.
@@ -660,44 +769,23 @@
          "contents": true,
          "diagnostics": true,
          "fetch": true,
-          "list_directory": false,
+          "list_directory": true,
          "now": true,
          "find_path": true,
          "read_file": true,
+          "open": true,
          "grep": true,
          "thinking": true,
          "web_search": true
        }
      },
-      "write": {
-        "name": "Write",
-        "enable_all_context_servers": true,
-        "tools": {
-          "batch_tool": false,
-          "code_actions": false,
-          "code_symbols": false,
-          "contents": false,
-          "copy_path": false,
-          "create_file": true,
-          "delete_path": false,
-          "diagnostics": true,
-          "edit_file": true,
-          "fetch": true,
-          "list_directory": true,
-          "move_path": false,
-          "now": false,
-          "find_path": true,
-          "read_file": true,
-          "grep": true,
-          "rename": false,
-          "symbol_info": false,
-          "terminal": true,
-          "thinking": true,
-          "web_search": true
-        }
+      "minimal": {
+        "name": "Minimal",
+        "enable_all_context_servers": false,
+        "tools": {}
      }
    },
-    // Where to show notifications when an agent has either completed
+    // Where to show notifications when the agent has either completed
    // its response, or else needs confirmation before it can run a
    // tool action.
    // "primary_screen" - Show the notification only on your primary screen (default)
@@ -822,7 +910,20 @@
    //    "modal_max_width": "full"
    //
    // Default: small
-    "modal_max_width": "small"
+    "modal_max_width": "small",
+    // Determines whether the file finder should skip focus for the active file in search results.
+    // There are 2 possible values:
+    //
+    // 1. true: When searching for files, if the currently active file appears as the first result,
+    //    auto-focus will skip it and focus the second result instead.
+    //    "skip_focus_for_active_in_search": true
+    //
+    // 2. false: When searching for files, the first result will always receive focus,
+    //    even if it's the currently active file.
+    //    "skip_focus_for_active_in_search": false
+    //
+    // Default: true
+    "skip_focus_for_active_in_search": true
  },
  // Whether or not to remove any trailing whitespace from lines of a buffer
  // before saving it.
@@ -874,6 +975,8 @@
  "hard_tabs": false,
  // How many columns a tab should occupy.
  "tab_size": 4,
+  // What debuggers are preferred by default for all languages.
+  "debuggers": [],
  // Control what info is collected by Zed.
  "telemetry": {
    // Send debug info like crash reports.
@@ -905,6 +1008,11 @@
      // The minimum severity of the diagnostics to show inline.
      // Shows all diagnostics when not specified.
      "max_severity": null
+    },
+    "cargo": {
+      // When enabled, Zed disables rust-analyzer's check on save and starts to query
+      // Cargo diagnostics separately.
+      "fetch_cargo_diagnostics": false
    }
  },
  // Files or globs of files that will be excluded by Zed entirely. They will be skipped during file
@@ -984,9 +1092,9 @@
    // 2. Display predictions inline only when holding a modifier key (alt by default).
    //     "mode": "subtle"
    "mode": "eager",
-    // Whether edit predictions are enabled in the assistant panel.
+    // Whether edit predictions are enabled when editing text threads.
    // This setting has no effect if globally disabled.
-    "enabled_in_assistant": true
+    "enabled_in_text_threads": true
  },
  // Settings specific to journaling
  "journal": {
@@ -1288,6 +1396,9 @@
    "Elixir": {
      "language_servers": ["elixir-ls", "!next-ls", "!lexical", "..."]
    },
+    "Elm": {
+      "tab_size": 4
+    },
    "Erlang": {
      "language_servers": ["erlang-ls", "!elp", "..."]
    },
@@ -1562,8 +1673,6 @@
  //   "W": "workspace::Save"
  // }
  "command_aliases": {},
-  // Whether to show user picture in titlebar.
-  "show_user_picture": true,
  // ssh_connections is an array of ssh connections.
  // You can configure these from `project: Open Remote` in the command palette.
  // Zed's ssh support will pull configuration from your ~/.ssh too.
@@ -1580,7 +1689,7 @@
  //   }
  // ]
  "ssh_connections": [],
-  // Configures context servers for use in the Assistant.
+  // Configures context servers for use by the agent.
  "context_servers": {},
  "debugger": {
    "stepping_granularity": "line",
--- a/crates/activity_indicator/src/activity_indicator.rs
+++ b/crates/activity_indicator/src/activity_indicator.rs
@@ -43,6 +43,7 @@ pub struct ActivityIndicator {
    context_menu_handle: PopoverMenuHandle<ContextMenu>,
 }

+#[derive(Debug)]
 struct ServerStatus {
    name: SharedString,
    status: BinaryStatus,
@@ -70,6 +71,7 @@ impl ActivityIndicator {
    ) -> Entity<ActivityIndicator> {
        let project = workspace.project().clone();
        let auto_updater = AutoUpdater::get(cx);
+        let workspace_handle = cx.entity();
        let this = cx.new(|cx| {
            let mut status_events = languages.language_server_binary_statuses();
            cx.spawn(async move |this, cx| {
@@ -84,17 +86,23 @@ impl ActivityIndicator {
            })
            .detach();

-            let mut status_events = languages.dap_server_binary_statuses();
-            cx.spawn(async move |this, cx| {
-                while let Some((name, status)) = status_events.next().await {
-                    this.update(cx, |this, cx| {
-                        this.statuses.retain(|s| s.name != name);
-                        this.statuses.push(ServerStatus { name, status });
-                        cx.notify();
-                    })?;
-                }
-                anyhow::Ok(())
-            })
+            cx.subscribe_in(
+                &workspace_handle,
+                window,
+                |activity_indicator, _, event, window, cx| match event {
+                    workspace::Event::ClearActivityIndicator { .. } => {
+                        if activity_indicator.statuses.pop().is_some() {
+                            activity_indicator.dismiss_error_message(
+                                &DismissErrorMessage,
+                                window,
+                                cx,
+                            );
+                            cx.notify();
+                        }
+                    }
+                    _ => {}
+                },
+            )
            .detach();

            cx.subscribe(
@@ -128,7 +136,7 @@ impl ActivityIndicator {
            }

            Self {
-                statuses: Default::default(),
+                statuses: Vec::new(),
                project: project.clone(),
                auto_updater,
                context_menu_handle: Default::default(),
@@ -198,11 +206,8 @@ impl ActivityIndicator {
        cx: &mut Context<Self>,
    ) {
        if let Some(updater) = &self.auto_updater {
-            updater.update(cx, |updater, cx| {
-                updater.dismiss_error(cx);
-            });
+            updater.update(cx, |updater, cx| updater.dismiss_error(cx));
        }
-        cx.notify();
    }

    fn pending_language_server_work<'a>(
--- a/crates/agent/Cargo.toml
+++ b/crates/agent/Cargo.toml
@@ -9,7 +9,7 @@ license = "GPL-3.0-or-later"
 workspace = true

 [lib]
-path = "src/assistant.rs"
+path = "src/agent.rs"
 doctest = false

 [features]
@@ -23,18 +23,19 @@ anyhow.workspace = true
 assistant_context_editor.workspace = true
 assistant_settings.workspace = true
 assistant_slash_command.workspace = true
+assistant_slash_commands.workspace = true
 assistant_tool.workspace = true
 async-watch.workspace = true
 buffer_diff.workspace = true
 chrono.workspace = true
 client.workspace = true
 collections.workspace = true
-command_palette_hooks.workspace = true
 component.workspace = true
 context_server.workspace = true
 convert_case.workspace = true
 db.workspace = true
 editor.workspace = true
+extension.workspace = true
 feature_flags.workspace = true
 file_icons.workspace = true
 fs.workspace = true
@@ -45,8 +46,9 @@ gpui.workspace = true
 heed.workspace = true
 html_to_markdown.workspace = true
 http_client.workspace = true
-indexmap.workspace = true
+indexed_docs.workspace = true
 itertools.workspace = true
+jsonschema.workspace = true
 language.workspace = true
 language_model.workspace = true
 language_model_selector.workspace = true
@@ -56,20 +58,24 @@ lsp.workspace = true
 markdown.workspace = true
 menu.workspace = true
 multi_buffer.workspace = true
+notifications.workspace = true
 ordered-float.workspace = true
 parking_lot.workspace = true
 paths.workspace = true
 picker.workspace = true
+postage.workspace = true
 project.workspace = true
-rules_library.workspace = true
 prompt_store.workspace = true
 proto.workspace = true
 ref-cast.workspace = true
 release_channel.workspace = true
 rope.workspace = true
+rules_library.workspace = true
 schemars.workspace = true
+search.workspace = true
 serde.workspace = true
 serde_json.workspace = true
+serde_json_lenient.workspace = true
 settings.workspace = true
 smallvec.workspace = true
 smol.workspace = true
@@ -85,6 +91,7 @@ time.workspace = true
 time_format.workspace = true
 ui.workspace = true
 ui_input.workspace = true
+urlencoding.workspace = true
 util.workspace = true
 uuid.workspace = true
 workspace-hack.workspace = true
--- a/crates/agent/src/active_thread.rs
+++ b/crates/agent/src/active_thread.rs
--- a/crates/assistant/src/assistant.rs
+++ b/crates/assistant/src/assistant.rs
@@ -1,102 +1,123 @@
-#![cfg_attr(target_os = "windows", allow(unused, dead_code))]
-
-mod assistant_configuration;
-pub mod assistant_panel;
+mod active_thread;
+mod agent_configuration;
+mod agent_diff;
+mod agent_model_selector;
+mod agent_panel;
+mod buffer_codegen;
+mod context;
+mod context_picker;
+mod context_server_configuration;
+mod context_server_tool;
+mod context_store;
+mod context_strip;
+mod debug;
+mod history_store;
 mod inline_assistant;
-pub mod slash_command_settings;
+mod inline_prompt_editor;
+mod message_editor;
+mod profile_selector;
+mod slash_command_settings;
+mod terminal_codegen;
 mod terminal_inline_assistant;
+mod thread;
+mod thread_history;
+mod thread_store;
+mod tool_compatibility;
+mod tool_use;
+mod ui;

 use std::sync::Arc;

-use assistant_settings::{AssistantSettings, LanguageModelSelection};
+use assistant_settings::{AgentProfileId, AssistantSettings, LanguageModelSelection};
 use assistant_slash_command::SlashCommandRegistry;
 use client::Client;
-use command_palette_hooks::CommandPaletteFilter;
-use feature_flags::FeatureFlagAppExt;
+use feature_flags::FeatureFlagAppExt as _;
 use fs::Fs;
-use gpui::{App, Global, ReadGlobal, UpdateGlobal, actions};
-use language_model::{
-    LanguageModelId, LanguageModelProviderId, LanguageModelRegistry, LanguageModelResponseMessage,
-};
+use gpui::{App, actions, impl_actions};
+use language::LanguageRegistry;
+use language_model::{LanguageModelId, LanguageModelProviderId, LanguageModelRegistry};
 use prompt_store::PromptBuilder;
+use schemars::JsonSchema;
 use serde::Deserialize;
-use settings::{Settings, SettingsStore};
+use settings::{Settings as _, SettingsStore};
+use thread::ThreadId;

-pub use crate::assistant_panel::{AssistantPanel, AssistantPanelEvent};
-pub(crate) use crate::inline_assistant::*;
+pub use crate::active_thread::ActiveThread;
+use crate::agent_configuration::{AddContextServerModal, ManageProfilesModal};
+pub use crate::agent_panel::{AgentPanel, ConcreteAssistantPanelDelegate};
+pub use crate::context::{ContextLoadResult, LoadedContext};
+pub use crate::inline_assistant::InlineAssistant;
 use crate::slash_command_settings::SlashCommandSettings;
+pub use crate::thread::{Message, MessageSegment, Thread, ThreadEvent};
+pub use crate::thread_store::{TextThreadStore, ThreadStore};
+pub use agent_diff::{AgentDiffPane, AgentDiffToolbar};
+pub use context_store::ContextStore;
+pub use ui::preview::{all_agent_previews, get_agent_preview};

 actions!(
-    assistant,
+    agent,
    [
-        InsertActivePrompt,
-        DeployHistory,
-        NewChat,
+        NewTextThread,
+        ToggleContextPicker,
+        ToggleNavigationMenu,
+        ToggleOptionsMenu,
+        DeleteRecentlyOpenThread,
+        ToggleProfileSelector,
+        RemoveAllContext,
+        ExpandMessageEditor,
+        OpenHistory,
+        AddContextServer,
+        RemoveSelectedThread,
+        Chat,
        CycleNextInlineAssist,
-        CyclePreviousInlineAssist
+        CyclePreviousInlineAssist,
+        FocusUp,
+        FocusDown,
+        FocusLeft,
+        FocusRight,
+        RemoveFocusedContext,
+        AcceptSuggestedContext,
+        OpenActiveThreadAsMarkdown,
+        OpenAgentDiff,
+        Keep,
+        Reject,
+        RejectAll,
+        KeepAll,
+        Follow,
+        ResetTrialUpsell,
    ]
 );

-const DEFAULT_CONTEXT_LINES: usize = 50;
-
-#[derive(Deserialize, Debug)]
-pub struct LanguageModelUsage {
-    pub prompt_tokens: u32,
-    pub completion_tokens: u32,
-    pub total_tokens: u32,
+#[derive(Default, Clone, PartialEq, Deserialize, JsonSchema)]
+pub struct NewThread {
+    #[serde(default)]
+    from_thread_id: Option<ThreadId>,
 }

-#[derive(Deserialize, Debug)]
-pub struct LanguageModelChoiceDelta {
-    pub index: u32,
-    pub delta: LanguageModelResponseMessage,
-    pub finish_reason: Option<String>,
+#[derive(PartialEq, Clone, Default, Debug, Deserialize, JsonSchema)]
+pub struct ManageProfiles {
+    #[serde(default)]
+    pub customize_tools: Option<AgentProfileId>,
 }

-/// The state pertaining to the Assistant.
-#[derive(Default)]
-struct Assistant {
-    /// Whether the Assistant is enabled.
-    enabled: bool,
-}
-
-impl Global for Assistant {}
-
-impl Assistant {
-    const NAMESPACE: &'static str = "assistant";
-
-    fn set_enabled(&mut self, enabled: bool, cx: &mut App) {
-        if self.enabled == enabled {
-            return;
+impl ManageProfiles {
+    pub fn customize_tools(profile_id: AgentProfileId) -> Self {
+        Self {
+            customize_tools: Some(profile_id),
        }
-
-        self.enabled = enabled;
-
-        if !enabled {
-            CommandPaletteFilter::update_global(cx, |filter, _cx| {
-                filter.hide_namespace(Self::NAMESPACE);
-            });
-
-            return;
-        }
-
-        CommandPaletteFilter::update_global(cx, |filter, _cx| {
-            filter.show_namespace(Self::NAMESPACE);
-        });
-    }
-
-    pub fn enabled(cx: &App) -> bool {
-        Self::global(cx).enabled
    }
 }

+impl_actions!(agent, [NewThread, ManageProfiles]);
+
+/// Initializes the `agent` crate.
 pub fn init(
    fs: Arc<dyn Fs>,
    client: Arc<Client>,
    prompt_builder: Arc<PromptBuilder>,
+    language_registry: Arc<LanguageRegistry>,
    cx: &mut App,
 ) {
-    cx.set_global(Assistant::default());
    AssistantSettings::register(cx);
    SlashCommandSettings::register(cx);

@@ -104,9 +125,9 @@ pub fn init(
    rules_library::init(cx);
    init_language_model_settings(cx);
    assistant_slash_command::init(cx);
-    assistant_tool::init(cx);
-    assistant_panel::init(cx);
-    context_server::init(cx);
+    thread_store::init(cx);
+    agent_panel::init(cx);
+    context_server_configuration::init(language_registry, cx);

    register_slash_commands(cx);
    inline_assistant::init(
@@ -122,22 +143,8 @@ pub fn init(
        cx,
    );
    indexed_docs::init(cx);
-
-    CommandPaletteFilter::update_global(cx, |filter, _cx| {
-        filter.hide_namespace(Assistant::NAMESPACE);
-    });
-    Assistant::update_global(cx, |assistant, cx| {
-        let settings = AssistantSettings::get_global(cx);
-
-        assistant.set_enabled(settings.enabled, cx);
-    });
-    cx.observe_global::<SettingsStore>(|cx| {
-        Assistant::update_global(cx, |assistant, cx| {
-            let settings = AssistantSettings::get_global(cx);
-            assistant.set_enabled(settings.enabled, cx);
-        });
-    })
-    .detach();
+    cx.observe_new(AddContextServerModal::register).detach();
+    cx.observe_new(ManageProfilesModal::register).detach();
 }

 fn init_language_model_settings(cx: &mut App) {
@@ -164,7 +171,7 @@ fn update_active_language_model_from_settings(cx: &mut App) {

    fn to_selected_model(selection: &LanguageModelSelection) -> language_model::SelectedModel {
        language_model::SelectedModel {
-            provider: LanguageModelProviderId::from(selection.provider.clone()),
+            provider: LanguageModelProviderId::from(selection.provider.0.clone()),
            model: LanguageModelId::from(selection.model.clone()),
        }
    }
@@ -251,11 +258,3 @@ fn update_slash_commands_from_settings(cx: &mut App) {
            .unregister_command(assistant_slash_commands::CargoWorkspaceSlashCommand);
    }
 }
-
-#[cfg(test)]
-#[ctor::ctor]
-fn init_logger() {
-    if std::env::var("RUST_LOG").is_ok() {
-        env_logger::init();
-    }
-}
--- a/crates/agent/src/agent_configuration.rs
+++ b/crates/agent/src/agent_configuration.rs
@@ -0,0 +1,623 @@
+mod add_context_server_modal;
+mod configure_context_server_modal;
+mod manage_profiles_modal;
+mod tool_picker;
+
+use std::{sync::Arc, time::Duration};
+
+use assistant_settings::AssistantSettings;
+use assistant_tool::{ToolSource, ToolWorkingSet};
+use collections::HashMap;
+use context_server::ContextServerId;
+use fs::Fs;
+use gpui::{
+    Action, Animation, AnimationExt as _, AnyView, App, Entity, EventEmitter, FocusHandle,
+    Focusable, ScrollHandle, Subscription, pulsating_between,
+};
+use language_model::{LanguageModelProvider, LanguageModelProviderId, LanguageModelRegistry};
+use project::context_server_store::{ContextServerStatus, ContextServerStore};
+use settings::{Settings, update_settings_file};
+use ui::{
+    Disclosure, Divider, DividerColor, ElevationIndex, Indicator, Scrollbar, ScrollbarState,
+    Switch, SwitchColor, Tooltip, prelude::*,
+};
+use util::ResultExt as _;
+use zed_actions::ExtensionCategoryFilter;
+
+pub(crate) use add_context_server_modal::AddContextServerModal;
+pub(crate) use configure_context_server_modal::ConfigureContextServerModal;
+pub(crate) use manage_profiles_modal::ManageProfilesModal;
+
+use crate::AddContextServer;
+
+pub struct AgentConfiguration {
+    fs: Arc<dyn Fs>,
+    focus_handle: FocusHandle,
+    configuration_views_by_provider: HashMap<LanguageModelProviderId, AnyView>,
+    context_server_store: Entity<ContextServerStore>,
+    expanded_context_server_tools: HashMap<ContextServerId, bool>,
+    tools: Entity<ToolWorkingSet>,
+    _registry_subscription: Subscription,
+    scroll_handle: ScrollHandle,
+    scrollbar_state: ScrollbarState,
+}
+
+impl AgentConfiguration {
+    pub fn new(
+        fs: Arc<dyn Fs>,
+        context_server_store: Entity<ContextServerStore>,
+        tools: Entity<ToolWorkingSet>,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) -> Self {
+        let focus_handle = cx.focus_handle();
+
+        let registry_subscription = cx.subscribe_in(
+            &LanguageModelRegistry::global(cx),
+            window,
+            |this, _, event: &language_model::Event, window, cx| match event {
+                language_model::Event::AddedProvider(provider_id) => {
+                    let provider = LanguageModelRegistry::read_global(cx).provider(provider_id);
+                    if let Some(provider) = provider {
+                        this.add_provider_configuration_view(&provider, window, cx);
+                    }
+                }
+                language_model::Event::RemovedProvider(provider_id) => {
+                    this.remove_provider_configuration_view(provider_id);
+                }
+                _ => {}
+            },
+        );
+
+        let scroll_handle = ScrollHandle::new();
+        let scrollbar_state = ScrollbarState::new(scroll_handle.clone());
+
+        let mut this = Self {
+            fs,
+            focus_handle,
+            configuration_views_by_provider: HashMap::default(),
+            context_server_store,
+            expanded_context_server_tools: HashMap::default(),
+            tools,
+            _registry_subscription: registry_subscription,
+            scroll_handle,
+            scrollbar_state,
+        };
+        this.build_provider_configuration_views(window, cx);
+        this
+    }
+
+    fn build_provider_configuration_views(&mut self, window: &mut Window, cx: &mut Context<Self>) {
+        let providers = LanguageModelRegistry::read_global(cx).providers();
+        for provider in providers {
+            self.add_provider_configuration_view(&provider, window, cx);
+        }
+    }
+
+    fn remove_provider_configuration_view(&mut self, provider_id: &LanguageModelProviderId) {
+        self.configuration_views_by_provider.remove(provider_id);
+    }
+
+    fn add_provider_configuration_view(
+        &mut self,
+        provider: &Arc<dyn LanguageModelProvider>,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        let configuration_view = provider.configuration_view(window, cx);
+        self.configuration_views_by_provider
+            .insert(provider.id(), configuration_view);
+    }
+}
+
+impl Focusable for AgentConfiguration {
+    fn focus_handle(&self, _: &App) -> FocusHandle {
+        self.focus_handle.clone()
+    }
+}
+
+pub enum AssistantConfigurationEvent {
+    NewThread(Arc<dyn LanguageModelProvider>),
+}
+
+impl EventEmitter<AssistantConfigurationEvent> for AgentConfiguration {}
+
+impl AgentConfiguration {
+    fn render_provider_configuration_block(
+        &mut self,
+        provider: &Arc<dyn LanguageModelProvider>,
+        cx: &mut Context<Self>,
+    ) -> impl IntoElement + use<> {
+        let provider_id = provider.id().0.clone();
+        let provider_name = provider.name().0.clone();
+        let configuration_view = self
+            .configuration_views_by_provider
+            .get(&provider.id())
+            .cloned();
+
+        v_flex()
+            .pt_3()
+            .pb_1()
+            .gap_1p5()
+            .border_t_1()
+            .border_color(cx.theme().colors().border.opacity(0.6))
+            .child(
+                h_flex()
+                    .justify_between()
+                    .child(
+                        h_flex()
+                            .gap_2()
+                            .child(
+                                Icon::new(provider.icon())
+                                    .size(IconSize::Small)
+                                    .color(Color::Muted),
+                            )
+                            .child(Label::new(provider_name.clone()).size(LabelSize::Large)),
+                    )
+                    .when(provider.is_authenticated(cx), |parent| {
+                        parent.child(
+                            Button::new(
+                                SharedString::from(format!("new-thread-{provider_id}")),
+                                "Start New Thread",
+                            )
+                            .icon_position(IconPosition::Start)
+                            .icon(IconName::Plus)
+                            .icon_size(IconSize::Small)
+                            .style(ButtonStyle::Filled)
+                            .layer(ElevationIndex::ModalSurface)
+                            .label_size(LabelSize::Small)
+                            .on_click(cx.listener({
+                                let provider = provider.clone();
+                                move |_this, _event, _window, cx| {
+                                    cx.emit(AssistantConfigurationEvent::NewThread(
+                                        provider.clone(),
+                                    ))
+                                }
+                            })),
+                        )
+                    }),
+            )
+            .map(|parent| match configuration_view {
+                Some(configuration_view) => parent.child(configuration_view),
+                None => parent.child(div().child(Label::new(format!(
+                    "No configuration view for {provider_name}",
+                )))),
+            })
+    }
+
+    fn render_provider_configuration_section(
+        &mut self,
+        cx: &mut Context<Self>,
+    ) -> impl IntoElement {
+        let providers = LanguageModelRegistry::read_global(cx).providers();
+
+        v_flex()
+            .p(DynamicSpacing::Base16.rems(cx))
+            .pr(DynamicSpacing::Base20.rems(cx))
+            .gap_4()
+            .flex_1()
+            .child(
+                v_flex()
+                    .gap_0p5()
+                    .child(Headline::new("LLM Providers"))
+                    .child(
+                        Label::new("Add at least one provider to use AI-powered features.")
+                            .color(Color::Muted),
+                    ),
+            )
+            .children(
+                providers
+                    .into_iter()
+                    .map(|provider| self.render_provider_configuration_block(&provider, cx)),
+            )
+    }
+
+    fn render_command_permission(&mut self, cx: &mut Context<Self>) -> impl IntoElement {
+        let always_allow_tool_actions = AssistantSettings::get_global(cx).always_allow_tool_actions;
+
+        h_flex()
+            .gap_4()
+            .justify_between()
+            .flex_wrap()
+            .child(
+                v_flex()
+                    .gap_0p5()
+                    .max_w_5_6()
+                    .child(Label::new("Allow running editing tools without asking for confirmation"))
+                    .child(
+                        Label::new(
+                            "The agent can perform potentially destructive actions without asking for your confirmation.",
+                        )
+                        .color(Color::Muted),
+                    ),
+            )
+            .child(
+                Switch::new(
+                    "always-allow-tool-actions-switch",
+                    always_allow_tool_actions.into(),
+                )
+                .color(SwitchColor::Accent)
+                .on_click({
+                    let fs = self.fs.clone();
+                    move |state, _window, cx| {
+                        let allow = state == &ToggleState::Selected;
+                        update_settings_file::<AssistantSettings>(
+                            fs.clone(),
+                            cx,
+                            move |settings, _| {
+                                settings.set_always_allow_tool_actions(allow);
+                            },
+                        );
+                    }
+                }),
+            )
+    }
+
+    fn render_single_file_review(&mut self, cx: &mut Context<Self>) -> impl IntoElement {
+        let single_file_review = AssistantSettings::get_global(cx).single_file_review;
+
+        h_flex()
+            .gap_4()
+            .justify_between()
+            .flex_wrap()
+            .child(
+                v_flex()
+                    .gap_0p5()
+                    .max_w_5_6()
+                    .child(Label::new("Enable single-file agent reviews"))
+                    .child(
+                        Label::new(
+                            "Agent edits are also displayed in single-file editors for review.",
+                        )
+                        .color(Color::Muted),
+                    ),
+            )
+            .child(
+                Switch::new("single-file-review-switch", single_file_review.into())
+                    .color(SwitchColor::Accent)
+                    .on_click({
+                        let fs = self.fs.clone();
+                        move |state, _window, cx| {
+                            let allow = state == &ToggleState::Selected;
+                            update_settings_file::<AssistantSettings>(
+                                fs.clone(),
+                                cx,
+                                move |settings, _| {
+                                    settings.set_single_file_review(allow);
+                                },
+                            );
+                        }
+                    }),
+            )
+    }
+
+    fn render_general_settings_section(&mut self, cx: &mut Context<Self>) -> impl IntoElement {
+        v_flex()
+            .p(DynamicSpacing::Base16.rems(cx))
+            .pr(DynamicSpacing::Base20.rems(cx))
+            .gap_2p5()
+            .flex_1()
+            .child(Headline::new("General Settings"))
+            .child(self.render_command_permission(cx))
+            .child(self.render_single_file_review(cx))
+    }
+
+    fn render_context_servers_section(
+        &mut self,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) -> impl IntoElement {
+        let context_server_ids = self.context_server_store.read(cx).all_server_ids().clone();
+
+        const SUBHEADING: &str = "Connect to context servers via the Model Context Protocol either via Zed extensions or directly.";
+
+        v_flex()
+            .p(DynamicSpacing::Base16.rems(cx))
+            .pr(DynamicSpacing::Base20.rems(cx))
+            .gap_2()
+            .flex_1()
+            .child(
+                v_flex()
+                    .gap_0p5()
+                    .child(Headline::new("Model Context Protocol (MCP) Servers"))
+                    .child(Label::new(SUBHEADING).color(Color::Muted)),
+            )
+            .children(
+                context_server_ids.into_iter().map(|context_server_id| {
+                    self.render_context_server(context_server_id, window, cx)
+                }),
+            )
+            .child(
+                h_flex()
+                    .justify_between()
+                    .gap_2()
+                    .child(
+                        h_flex().w_full().child(
+                            Button::new("add-context-server", "Add Custom Server")
+                                .style(ButtonStyle::Filled)
+                                .layer(ElevationIndex::ModalSurface)
+                                .full_width()
+                                .icon(IconName::Plus)
+                                .icon_size(IconSize::Small)
+                                .icon_position(IconPosition::Start)
+                                .on_click(|_event, window, cx| {
+                                    window.dispatch_action(AddContextServer.boxed_clone(), cx)
+                                }),
+                        ),
+                    )
+                    .child(
+                        h_flex().w_full().child(
+                            Button::new(
+                                "install-context-server-extensions",
+                                "Install MCP Extensions",
+                            )
+                            .style(ButtonStyle::Filled)
+                            .layer(ElevationIndex::ModalSurface)
+                            .full_width()
+                            .icon(IconName::Hammer)
+                            .icon_size(IconSize::Small)
+                            .icon_position(IconPosition::Start)
+                            .on_click(|_event, window, cx| {
+                                window.dispatch_action(
+                                    zed_actions::Extensions {
+                                        category_filter: Some(
+                                            ExtensionCategoryFilter::ContextServers,
+                                        ),
+                                    }
+                                    .boxed_clone(),
+                                    cx,
+                                )
+                            }),
+                        ),
+                    ),
+            )
+    }
+
+    fn render_context_server(
+        &self,
+        context_server_id: ContextServerId,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) -> impl use<> + IntoElement {
+        let tools_by_source = self.tools.read(cx).tools_by_source(cx);
+        let server_status = self
+            .context_server_store
+            .read(cx)
+            .status_for_server(&context_server_id)
+            .unwrap_or(ContextServerStatus::Stopped);
+
+        let is_running = matches!(server_status, ContextServerStatus::Running);
+
+        let error = if let ContextServerStatus::Error(error) = server_status.clone() {
+            Some(error)
+        } else {
+            None
+        };
+
+        let are_tools_expanded = self
+            .expanded_context_server_tools
+            .get(&context_server_id)
+            .copied()
+            .unwrap_or_default();
+
+        let tools = tools_by_source
+            .get(&ToolSource::ContextServer {
+                id: context_server_id.0.clone().into(),
+            })
+            .map_or([].as_slice(), |tools| tools.as_slice());
+        let tool_count = tools.len();
+
+        let border_color = cx.theme().colors().border.opacity(0.6);
+
+        v_flex()
+            .id(SharedString::from(context_server_id.0.clone()))
+            .border_1()
+            .rounded_md()
+            .border_color(border_color)
+            .bg(cx.theme().colors().background.opacity(0.2))
+            .overflow_hidden()
+            .child(
+                h_flex()
+                    .p_1()
+                    .justify_between()
+                    .when(
+                        error.is_some() || are_tools_expanded && tool_count > 1,
+                        |element| element.border_b_1().border_color(border_color),
+                    )
+                    .child(
+                        h_flex()
+                            .gap_1p5()
+                            .child(
+                                Disclosure::new(
+                                    "tool-list-disclosure",
+                                    are_tools_expanded || error.is_some(),
+                                )
+                                .disabled(tool_count == 0)
+                                .on_click(cx.listener({
+                                    let context_server_id = context_server_id.clone();
+                                    move |this, _event, _window, _cx| {
+                                        let is_open = this
+                                            .expanded_context_server_tools
+                                            .entry(context_server_id.clone())
+                                            .or_insert(false);
+
+                                        *is_open = !*is_open;
+                                    }
+                                })),
+                            )
+                            .child(match server_status {
+                                ContextServerStatus::Starting => {
+                                    let color = Color::Success.color(cx);
+                                    Indicator::dot()
+                                        .color(Color::Success)
+                                        .with_animation(
+                                            SharedString::from(format!(
+                                                "{}-starting",
+                                                context_server_id.0.clone(),
+                                            )),
+                                            Animation::new(Duration::from_secs(2))
+                                                .repeat()
+                                                .with_easing(pulsating_between(0.4, 1.)),
+                                            move |this, delta| {
+                                                this.color(color.alpha(delta).into())
+                                            },
+                                        )
+                                        .into_any_element()
+                                }
+                                ContextServerStatus::Running => {
+                                    Indicator::dot().color(Color::Success).into_any_element()
+                                }
+                                ContextServerStatus::Error(_) => {
+                                    Indicator::dot().color(Color::Error).into_any_element()
+                                }
+                                ContextServerStatus::Stopped => {
+                                    Indicator::dot().color(Color::Muted).into_any_element()
+                                }
+                            })
+                            .child(Label::new(context_server_id.0.clone()).ml_0p5())
+                            .when(is_running, |this| {
+                                this.child(
+                                    Label::new(if tool_count == 1 {
+                                        SharedString::from("1 tool")
+                                    } else {
+                                        SharedString::from(format!("{} tools", tool_count))
+                                    })
+                                    .color(Color::Muted)
+                                    .size(LabelSize::Small),
+                                )
+                            }),
+                    )
+                    .child(
+                        Switch::new("context-server-switch", is_running.into())
+                            .color(SwitchColor::Accent)
+                            .on_click({
+                                let context_server_manager = self.context_server_store.clone();
+                                let context_server_id = context_server_id.clone();
+                                move |state, _window, cx| match state {
+                                    ToggleState::Unselected | ToggleState::Indeterminate => {
+                                        context_server_manager.update(cx, |this, cx| {
+                                            this.stop_server(&context_server_id, cx).log_err();
+                                        });
+                                    }
+                                    ToggleState::Selected => {
+                                        context_server_manager.update(cx, |this, cx| {
+                                            if let Some(server) =
+                                                this.get_server(&context_server_id)
+                                            {
+                                                this.start_server(server, cx).log_err();
+                                            }
+                                        })
+                                    }
+                                }
+                            }),
+                    ),
+            )
+            .map(|parent| {
+                if let Some(error) = error {
+                    return parent.child(
+                        h_flex()
+                            .p_2()
+                            .gap_2()
+                            .items_start()
+                            .child(
+                                h_flex()
+                                    .flex_none()
+                                    .h(window.line_height() / 1.6_f32)
+                                    .justify_center()
+                                    .child(
+                                        Icon::new(IconName::XCircle)
+                                            .size(IconSize::XSmall)
+                                            .color(Color::Error),
+                                    ),
+                            )
+                            .child(
+                                div().w_full().child(
+                                    Label::new(error)
+                                        .buffer_font(cx)
+                                        .color(Color::Muted)
+                                        .size(LabelSize::Small),
+                                ),
+                            ),
+                    );
+                }
+
+                if !are_tools_expanded || tools.is_empty() {
+                    return parent;
+                }
+
+                parent.child(v_flex().py_1p5().px_1().gap_1().children(
+                    tools.into_iter().enumerate().map(|(ix, tool)| {
+                        h_flex()
+                            .id(("tool-item", ix))
+                            .px_1()
+                            .gap_2()
+                            .justify_between()
+                            .hover(|style| style.bg(cx.theme().colors().element_hover))
+                            .rounded_sm()
+                            .child(
+                                Label::new(tool.name())
+                                    .buffer_font(cx)
+                                    .size(LabelSize::Small),
+                            )
+                            .child(
+                                Icon::new(IconName::Info)
+                                    .size(IconSize::Small)
+                                    .color(Color::Ignored),
+                            )
+                            .tooltip(Tooltip::text(tool.description()))
+                    }),
+                ))
+            })
+    }
+}
+
+impl Render for AgentConfiguration {
+    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+        v_flex()
+            .id("assistant-configuration")
+            .key_context("AgentConfiguration")
+            .track_focus(&self.focus_handle(cx))
+            .relative()
+            .size_full()
+            .pb_8()
+            .bg(cx.theme().colors().panel_background)
+            .child(
+                v_flex()
+                    .id("assistant-configuration-content")
+                    .track_scroll(&self.scroll_handle)
+                    .size_full()
+                    .overflow_y_scroll()
+                    .child(self.render_general_settings_section(cx))
+                    .child(Divider::horizontal().color(DividerColor::Border))
+                    .child(self.render_context_servers_section(window, cx))
+                    .child(Divider::horizontal().color(DividerColor::Border))
+                    .child(self.render_provider_configuration_section(cx)),
+            )
+            .child(
+                div()
+                    .id("assistant-configuration-scrollbar")
+                    .occlude()
+                    .absolute()
+                    .right(px(3.))
+                    .top_0()
+                    .bottom_0()
+                    .pb_6()
+                    .w(px(12.))
+                    .cursor_default()
+                    .on_mouse_move(cx.listener(|_, _, _window, cx| {
+                        cx.notify();
+                        cx.stop_propagation()
+                    }))
+                    .on_hover(|_, _window, cx| {
+                        cx.stop_propagation();
+                    })
+                    .on_any_mouse_down(|_, _window, cx| {
+                        cx.stop_propagation();
+                    })
+                    .on_scroll_wheel(cx.listener(|_, _, _window, cx| {
+                        cx.notify();
+                    }))
+                    .children(Scrollbar::vertical(self.scrollbar_state.clone())),
+            )
+    }
+}
--- a/crates/agent/src/assistant_configuration/add_context_server_modal.rs
+++ b/crates/agent/src/assistant_configuration/add_context_server_modal.rs
@@ -1,5 +1,6 @@
-use context_server::{ContextServerSettings, ServerCommand, ServerConfig};
+use context_server::ContextServerCommand;
 use gpui::{DismissEvent, Entity, EventEmitter, FocusHandle, Focusable, WeakEntity, prelude::*};
+use project::project_settings::{ContextServerConfiguration, ProjectSettings};
 use serde_json::json;
 use settings::update_settings_file;
 use ui::{KeyBinding, Modal, ModalFooter, ModalHeader, Section, Tooltip, prelude::*};
@@ -77,11 +78,11 @@ impl AddContextServerModal {
        if let Some(workspace) = self.workspace.upgrade() {
            workspace.update(cx, |workspace, cx| {
                let fs = workspace.app_state().fs.clone();
-                update_settings_file::<ContextServerSettings>(fs.clone(), cx, |settings, _| {
+                update_settings_file::<ProjectSettings>(fs.clone(), cx, |settings, _| {
                    settings.context_servers.insert(
                        name.into(),
-                        ServerConfig {
-                            command: Some(ServerCommand {
+                        ContextServerConfiguration {
+                            command: Some(ContextServerCommand {
                                path,
                                args,
                                env: None,
@@ -146,47 +147,50 @@ impl Render for AddContextServerModal {
                        ),
                    )
                    .footer(
-                        ModalFooter::new()
-                            .start_slot(
-                                Button::new("cancel", "Cancel")
-                                    .key_binding(
-                                        KeyBinding::for_action_in(
-                                            &menu::Cancel,
-                                            &focus_handle,
-                                            window,
-                                            cx,
+                        ModalFooter::new().end_slot(
+                            h_flex()
+                                .gap_2()
+                                .child(
+                                    Button::new("cancel", "Cancel")
+                                        .key_binding(
+                                            KeyBinding::for_action_in(
+                                                &menu::Cancel,
+                                                &focus_handle,
+                                                window,
+                                                cx,
+                                            )
+                                            .map(|kb| kb.size(rems_from_px(12.))),
                                        )
-                                        .map(|kb| kb.size(rems_from_px(12.))),
-                                    )
-                                    .on_click(cx.listener(|this, _event, _window, cx| {
-                                        this.cancel(&menu::Cancel, cx)
-                                    })),
-                            )
-                            .end_slot(
-                                Button::new("add-server", "Add Server")
-                                    .disabled(is_name_empty || is_command_empty)
-                                    .key_binding(
-                                        KeyBinding::for_action_in(
-                                            &menu::Confirm,
-                                            &focus_handle,
-                                            window,
-                                            cx,
+                                        .on_click(cx.listener(|this, _event, _window, cx| {
+                                            this.cancel(&menu::Cancel, cx)
+                                        })),
+                                )
+                                .child(
+                                    Button::new("add-server", "Add Server")
+                                        .disabled(is_name_empty || is_command_empty)
+                                        .key_binding(
+                                            KeyBinding::for_action_in(
+                                                &menu::Confirm,
+                                                &focus_handle,
+                                                window,
+                                                cx,
+                                            )
+                                            .map(|kb| kb.size(rems_from_px(12.))),
                                        )
-                                        .map(|kb| kb.size(rems_from_px(12.))),
-                                    )
-                                    .map(|button| {
-                                        if is_name_empty {
-                                            button.tooltip(Tooltip::text("Name is required"))
-                                        } else if is_command_empty {
-                                            button.tooltip(Tooltip::text("Command is required"))
-                                        } else {
-                                            button
-                                        }
-                                    })
-                                    .on_click(cx.listener(|this, _event, _window, cx| {
-                                        this.confirm(&menu::Confirm, cx)
-                                    })),
-                            ),
+                                        .map(|button| {
+                                            if is_name_empty {
+                                                button.tooltip(Tooltip::text("Name is required"))
+                                            } else if is_command_empty {
+                                                button.tooltip(Tooltip::text("Command is required"))
+                                            } else {
+                                                button
+                                            }
+                                        })
+                                        .on_click(cx.listener(|this, _event, _window, cx| {
+                                            this.confirm(&menu::Confirm, cx)
+                                        })),
+                                ),
+                        ),
                    ),
            )
    }
--- a/crates/agent/src/agent_configuration/configure_context_server_modal.rs
+++ b/crates/agent/src/agent_configuration/configure_context_server_modal.rs
@@ -0,0 +1,554 @@
+use std::{
+    sync::{Arc, Mutex},
+    time::Duration,
+};
+
+use anyhow::Context as _;
+use context_server::ContextServerId;
+use editor::{Editor, EditorElement, EditorStyle};
+use gpui::{
+    Animation, AnimationExt, App, DismissEvent, Entity, EventEmitter, FocusHandle, Focusable, Task,
+    TextStyle, TextStyleRefinement, Transformation, UnderlineStyle, WeakEntity, percentage,
+};
+use language::{Language, LanguageRegistry};
+use markdown::{Markdown, MarkdownElement, MarkdownStyle};
+use notifications::status_toast::{StatusToast, ToastIcon};
+use project::{
+    context_server_store::{ContextServerStatus, ContextServerStore},
+    project_settings::{ContextServerConfiguration, ProjectSettings},
+};
+use settings::{Settings as _, update_settings_file};
+use theme::ThemeSettings;
+use ui::{KeyBinding, Modal, ModalFooter, ModalHeader, Section, Tooltip, prelude::*};
+use util::ResultExt;
+use workspace::{ModalView, Workspace};
+
+pub(crate) struct ConfigureContextServerModal {
+    workspace: WeakEntity<Workspace>,
+    focus_handle: FocusHandle,
+    context_servers_to_setup: Vec<ContextServerSetup>,
+    context_server_store: Entity<ContextServerStore>,
+}
+
+#[allow(clippy::large_enum_variant)]
+enum Configuration {
+    NotAvailable,
+    Required(ConfigurationRequiredState),
+}
+
+struct ConfigurationRequiredState {
+    installation_instructions: Entity<markdown::Markdown>,
+    settings_validator: Option<jsonschema::Validator>,
+    settings_editor: Entity<Editor>,
+    last_error: Option<SharedString>,
+    waiting_for_context_server: bool,
+}
+
+struct ContextServerSetup {
+    id: ContextServerId,
+    repository_url: Option<SharedString>,
+    configuration: Configuration,
+}
+
+impl ConfigureContextServerModal {
+    pub fn new(
+        configurations: impl Iterator<Item = crate::context_server_configuration::Configuration>,
+        context_server_store: Entity<ContextServerStore>,
+        jsonc_language: Option<Arc<Language>>,
+        language_registry: Arc<LanguageRegistry>,
+        workspace: WeakEntity<Workspace>,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) -> Self {
+        let context_servers_to_setup = configurations
+            .map(|config| match config {
+                crate::context_server_configuration::Configuration::NotAvailable(
+                    context_server_id,
+                    repository_url,
+                ) => ContextServerSetup {
+                    id: context_server_id,
+                    repository_url,
+                    configuration: Configuration::NotAvailable,
+                },
+                crate::context_server_configuration::Configuration::Required(
+                    context_server_id,
+                    repository_url,
+                    config,
+                ) => {
+                    let jsonc_language = jsonc_language.clone();
+                    let settings_validator = jsonschema::validator_for(&config.settings_schema)
+                        .context("Failed to load JSON schema for context server settings")
+                        .log_err();
+                    let state = ConfigurationRequiredState {
+                        installation_instructions: cx.new(|cx| {
+                            Markdown::new(
+                                config.installation_instructions.clone().into(),
+                                Some(language_registry.clone()),
+                                None,
+                                cx,
+                            )
+                        }),
+                        settings_validator,
+                        settings_editor: cx.new(|cx| {
+                            let mut editor = Editor::auto_height(16, window, cx);
+                            editor.set_text(config.default_settings.trim(), window, cx);
+                            editor.set_show_gutter(false, cx);
+                            editor.set_soft_wrap_mode(
+                                language::language_settings::SoftWrap::None,
+                                cx,
+                            );
+                            if let Some(buffer) = editor.buffer().read(cx).as_singleton() {
+                                buffer.update(cx, |buffer, cx| {
+                                    buffer.set_language(jsonc_language, cx)
+                                })
+                            }
+                            editor
+                        }),
+                        waiting_for_context_server: false,
+                        last_error: None,
+                    };
+                    ContextServerSetup {
+                        id: context_server_id,
+                        repository_url,
+                        configuration: Configuration::Required(state),
+                    }
+                }
+            })
+            .collect::<Vec<_>>();
+
+        Self {
+            workspace,
+            focus_handle: cx.focus_handle(),
+            context_servers_to_setup,
+            context_server_store,
+        }
+    }
+}
+
+impl ConfigureContextServerModal {
+    pub fn confirm(&mut self, cx: &mut Context<Self>) {
+        if self.context_servers_to_setup.is_empty() {
+            self.dismiss(cx);
+            return;
+        }
+
+        let Some(workspace) = self.workspace.upgrade() else {
+            return;
+        };
+
+        let id = self.context_servers_to_setup[0].id.clone();
+        let configuration = match &mut self.context_servers_to_setup[0].configuration {
+            Configuration::NotAvailable => {
+                self.context_servers_to_setup.remove(0);
+                if self.context_servers_to_setup.is_empty() {
+                    self.dismiss(cx);
+                }
+                return;
+            }
+            Configuration::Required(state) => state,
+        };
+
+        configuration.last_error.take();
+        if configuration.waiting_for_context_server {
+            return;
+        }
+
+        let settings_value = match serde_json_lenient::from_str::<serde_json::Value>(
+            &configuration.settings_editor.read(cx).text(cx),
+        ) {
+            Ok(value) => value,
+            Err(error) => {
+                configuration.last_error = Some(error.to_string().into());
+                cx.notify();
+                return;
+            }
+        };
+
+        if let Some(validator) = configuration.settings_validator.as_ref() {
+            if let Err(error) = validator.validate(&settings_value) {
+                configuration.last_error = Some(error.to_string().into());
+                cx.notify();
+                return;
+            }
+        }
+        let id = id.clone();
+
+        let settings_changed = ProjectSettings::get_global(cx)
+            .context_servers
+            .get(&id.0)
+            .map_or(true, |config| {
+                config.settings.as_ref() != Some(&settings_value)
+            });
+
+        let is_running = self.context_server_store.read(cx).status_for_server(&id)
+            == Some(ContextServerStatus::Running);
+
+        if !settings_changed && is_running {
+            self.complete_setup(id, cx);
+            return;
+        }
+
+        configuration.waiting_for_context_server = true;
+
+        let task = wait_for_context_server(&self.context_server_store, id.clone(), cx);
+        cx.spawn({
+            let id = id.clone();
+            async move |this, cx| {
+                let result = task.await;
+                this.update(cx, |this, cx| match result {
+                    Ok(_) => {
+                        this.complete_setup(id, cx);
+                    }
+                    Err(err) => {
+                        if let Some(setup) = this.context_servers_to_setup.get_mut(0) {
+                            match &mut setup.configuration {
+                                Configuration::NotAvailable => {}
+                                Configuration::Required(state) => {
+                                    state.last_error = Some(err.into());
+                                    state.waiting_for_context_server = false;
+                                }
+                            }
+                        } else {
+                            this.dismiss(cx);
+                        }
+                        cx.notify();
+                    }
+                })
+            }
+        })
+        .detach();
+
+        // When we write the settings to the file, the context server will be restarted.
+        update_settings_file::<ProjectSettings>(workspace.read(cx).app_state().fs.clone(), cx, {
+            let id = id.clone();
+            |settings, _| {
+                if let Some(server_config) = settings.context_servers.get_mut(&id.0) {
+                    server_config.settings = Some(settings_value);
+                } else {
+                    settings.context_servers.insert(
+                        id.0,
+                        ContextServerConfiguration {
+                            settings: Some(settings_value),
+                            ..Default::default()
+                        },
+                    );
+                }
+            }
+        });
+    }
+
+    fn complete_setup(&mut self, id: ContextServerId, cx: &mut Context<Self>) {
+        self.context_servers_to_setup.remove(0);
+        cx.notify();
+
+        if !self.context_servers_to_setup.is_empty() {
+            return;
+        }
+
+        self.workspace
+            .update(cx, {
+                |workspace, cx| {
+                    let status_toast = StatusToast::new(
+                        format!("{} configured successfully.", id),
+                        cx,
+                        |this, _cx| {
+                            this.icon(ToastIcon::new(IconName::Hammer).color(Color::Muted))
+                                .action("Dismiss", |_, _| {})
+                        },
+                    );
+
+                    workspace.toggle_status_toast(status_toast, cx);
+                }
+            })
+            .log_err();
+
+        self.dismiss(cx);
+    }
+
+    fn dismiss(&self, cx: &mut Context<Self>) {
+        cx.emit(DismissEvent);
+    }
+}
+
+fn wait_for_context_server(
+    context_server_store: &Entity<ContextServerStore>,
+    context_server_id: ContextServerId,
+    cx: &mut App,
+) -> Task<Result<(), Arc<str>>> {
+    let (tx, rx) = futures::channel::oneshot::channel();
+    let tx = Arc::new(Mutex::new(Some(tx)));
+
+    let subscription = cx.subscribe(context_server_store, move |_, event, _cx| match event {
+        project::context_server_store::Event::ServerStatusChanged { server_id, status } => {
+            match status {
+                ContextServerStatus::Running => {
+                    if server_id == &context_server_id {
+                        if let Some(tx) = tx.lock().unwrap().take() {
+                            let _ = tx.send(Ok(()));
+                        }
+                    }
+                }
+                ContextServerStatus::Stopped => {
+                    if server_id == &context_server_id {
+                        if let Some(tx) = tx.lock().unwrap().take() {
+                            let _ = tx.send(Err("Context server stopped running".into()));
+                        }
+                    }
+                }
+                ContextServerStatus::Error(error) => {
+                    if server_id == &context_server_id {
+                        if let Some(tx) = tx.lock().unwrap().take() {
+                            let _ = tx.send(Err(error.clone()));
+                        }
+                    }
+                }
+                _ => {}
+            }
+        }
+    });
+
+    cx.spawn(async move |_cx| {
+        let result = rx.await.unwrap();
+        drop(subscription);
+        result
+    })
+}
+
+impl Render for ConfigureContextServerModal {
+    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+        let Some(setup) = self.context_servers_to_setup.first() else {
+            return div().into_any_element();
+        };
+
+        let focus_handle = self.focus_handle(cx);
+
+        div()
+            .elevation_3(cx)
+            .w(rems(42.))
+            .key_context("ConfigureContextServerModal")
+            .track_focus(&focus_handle)
+            .on_action(cx.listener(|this, _: &menu::Confirm, _window, cx| this.confirm(cx)))
+            .on_action(cx.listener(|this, _: &menu::Cancel, _window, cx| this.dismiss(cx)))
+            .capture_any_mouse_down(cx.listener(|this, _, window, cx| {
+                this.focus_handle(cx).focus(window);
+            }))
+            .child(
+                Modal::new("configure-context-server", None)
+                    .header(ModalHeader::new().headline(format!("Configure {}", setup.id)))
+                    .section(match &setup.configuration {
+                        Configuration::NotAvailable => Section::new().child(
+                            Label::new(
+                                "No configuration options available for this context server. Visit the Repository for any further instructions.",
+                            )
+                            .color(Color::Muted),
+                        ),
+                        Configuration::Required(configuration) => Section::new()
+                            .child(div().pb_2().text_sm().child(MarkdownElement::new(
+                                configuration.installation_instructions.clone(),
+                                default_markdown_style(window, cx),
+                            )))
+                            .child(
+                                div()
+                                    .p_2()
+                                    .rounded_md()
+                                    .border_1()
+                                    .border_color(cx.theme().colors().border_variant)
+                                    .bg(cx.theme().colors().editor_background)
+                                    .gap_1()
+                                    .child({
+                                        let settings = ThemeSettings::get_global(cx);
+                                        let text_style = TextStyle {
+                                            color: cx.theme().colors().text,
+                                            font_family: settings.buffer_font.family.clone(),
+                                            font_fallbacks: settings.buffer_font.fallbacks.clone(),
+                                            font_size: settings.buffer_font_size(cx).into(),
+                                            font_weight: settings.buffer_font.weight,
+                                            line_height: relative(
+                                                settings.buffer_line_height.value(),
+                                            ),
+                                            ..Default::default()
+                                        };
+                                        EditorElement::new(
+                                            &configuration.settings_editor,
+                                            EditorStyle {
+                                                background: cx.theme().colors().editor_background,
+                                                local_player: cx.theme().players().local(),
+                                                text: text_style,
+                                                syntax: cx.theme().syntax().clone(),
+                                                ..Default::default()
+                                            },
+                                        )
+                                    })
+                                    .when_some(configuration.last_error.clone(), |this, error| {
+                                        this.child(
+                                            h_flex()
+                                                .gap_2()
+                                                .px_2()
+                                                .py_1()
+                                                .child(
+                                                    Icon::new(IconName::Warning)
+                                                        .size(IconSize::XSmall)
+                                                        .color(Color::Warning),
+                                                )
+                                                .child(
+                                                    div().w_full().child(
+                                                        Label::new(error)
+                                                            .size(LabelSize::Small)
+                                                            .color(Color::Muted),
+                                                    ),
+                                                ),
+                                        )
+                                    }),
+                            )
+                            .when(configuration.waiting_for_context_server, |this| {
+                                this.child(
+                                    h_flex()
+                                        .gap_1p5()
+                                        .child(
+                                            Icon::new(IconName::ArrowCircle)
+                                                .size(IconSize::XSmall)
+                                                .color(Color::Info)
+                                                .with_animation(
+                                                    "arrow-circle",
+                                                    Animation::new(Duration::from_secs(2)).repeat(),
+                                                    |icon, delta| {
+                                                        icon.transform(Transformation::rotate(
+                                                            percentage(delta),
+                                                        ))
+                                                    },
+                                                )
+                                                .into_any_element(),
+                                        )
+                                        .child(
+                                            Label::new("Waiting for Context Server")
+                                                .size(LabelSize::Small)
+                                                .color(Color::Muted),
+                                        ),
+                                )
+                            }),
+                    })
+                    .footer(
+                        ModalFooter::new()
+                            .when_some(setup.repository_url.clone(), |this, repository_url| {
+                                this.start_slot(
+                                    h_flex().w_full().child(
+                                        Button::new("open-repository", "Open Repository")
+                                            .icon(IconName::ArrowUpRight)
+                                            .icon_color(Color::Muted)
+                                            .icon_size(IconSize::XSmall)
+                                            .tooltip({
+                                                let repository_url = repository_url.clone();
+                                                move |window, cx| {
+                                                    Tooltip::with_meta(
+                                                        "Open Repository",
+                                                        None,
+                                                        repository_url.clone(),
+                                                        window,
+                                                        cx,
+                                                    )
+                                                }
+                                            })
+                                            .on_click(move |_, _, cx| cx.open_url(&repository_url)),
+                                    ),
+                                )
+                            })
+                            .end_slot(match &setup.configuration {
+                                Configuration::NotAvailable => Button::new("dismiss", "Dismiss")
+                                    .key_binding(
+                                        KeyBinding::for_action_in(
+                                            &menu::Cancel,
+                                            &focus_handle,
+                                            window,
+                                            cx,
+                                        )
+                                        .map(|kb| kb.size(rems_from_px(12.))),
+                                    )
+                                    .on_click(
+                                        cx.listener(|this, _event, _window, cx| this.dismiss(cx)),
+                                    )
+                                    .into_any_element(),
+                                Configuration::Required(state) => h_flex()
+                                    .gap_2()
+                                    .child(
+                                        Button::new("cancel", "Cancel")
+                                            .key_binding(
+                                                KeyBinding::for_action_in(
+                                                    &menu::Cancel,
+                                                    &focus_handle,
+                                                    window,
+                                                    cx,
+                                                )
+                                                .map(|kb| kb.size(rems_from_px(12.))),
+                                            )
+                                            .on_click(cx.listener(|this, _event, _window, cx| {
+                                                this.dismiss(cx)
+                                            })),
+                                    )
+                                    .child(
+                                        Button::new("configure-server", "Configure MCP")
+                                            .disabled(state.waiting_for_context_server)
+                                            .key_binding(
+                                                KeyBinding::for_action_in(
+                                                    &menu::Confirm,
+                                                    &focus_handle,
+                                                    window,
+                                                    cx,
+                                                )
+                                                .map(|kb| kb.size(rems_from_px(12.))),
+                                            )
+                                            .on_click(cx.listener(|this, _event, _window, cx| {
+                                                this.confirm(cx)
+                                            })),
+                                    )
+                                    .into_any_element(),
+                            }),
+                    ),
+            ).into_any_element()
+    }
+}
+
+pub(crate) fn default_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
+    let theme_settings = ThemeSettings::get_global(cx);
+    let colors = cx.theme().colors();
+    let mut text_style = window.text_style();
+    text_style.refine(&TextStyleRefinement {
+        font_family: Some(theme_settings.ui_font.family.clone()),
+        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
+        font_features: Some(theme_settings.ui_font.features.clone()),
+        font_size: Some(TextSize::XSmall.rems(cx).into()),
+        color: Some(colors.text_muted),
+        ..Default::default()
+    });
+
+    MarkdownStyle {
+        base_text_style: text_style.clone(),
+        selection_background_color: cx.theme().players().local().selection,
+        link: TextStyleRefinement {
+            background_color: Some(colors.editor_foreground.opacity(0.025)),
+            underline: Some(UnderlineStyle {
+                color: Some(colors.text_accent.opacity(0.5)),
+                thickness: px(1.),
+                ..Default::default()
+            }),
+            ..Default::default()
+        },
+        ..Default::default()
+    }
+}
+
+impl ModalView for ConfigureContextServerModal {}
+impl EventEmitter<DismissEvent> for ConfigureContextServerModal {}
+impl Focusable for ConfigureContextServerModal {
+    fn focus_handle(&self, cx: &App) -> FocusHandle {
+        if let Some(current) = self.context_servers_to_setup.first() {
+            match &current.configuration {
+                Configuration::NotAvailable => self.focus_handle.clone(),
+                Configuration::Required(configuration) => {
+                    configuration.settings_editor.read(cx).focus_handle(cx)
+                }
+            }
+        } else {
+            self.focus_handle.clone()
+        }
+    }
+}
--- a/crates/agent/src/assistant_configuration/manage_profiles_modal.rs
+++ b/crates/agent/src/assistant_configuration/manage_profiles_modal.rs
@@ -2,7 +2,7 @@ mod profile_modal_header;

 use std::sync::Arc;

-use assistant_settings::{AgentProfile, AgentProfileId, AssistantSettings};
+use assistant_settings::{AgentProfile, AgentProfileId, AssistantSettings, builtin_profiles};
 use assistant_tool::ToolWorkingSet;
 use convert_case::{Case, Casing as _};
 use editor::Editor;
@@ -18,9 +18,11 @@ use ui::{
 use util::ResultExt as _;
 use workspace::{ModalView, Workspace};

-use crate::assistant_configuration::manage_profiles_modal::profile_modal_header::ProfileModalHeader;
-use crate::assistant_configuration::tool_picker::{ToolPicker, ToolPickerDelegate};
-use crate::{AssistantPanel, ManageProfiles, ThreadStore};
+use crate::agent_configuration::manage_profiles_modal::profile_modal_header::ProfileModalHeader;
+use crate::agent_configuration::tool_picker::{ToolPicker, ToolPickerDelegate};
+use crate::{AgentPanel, ManageProfiles, ThreadStore};
+
+use super::tool_picker::ToolPickerMode;

 enum Mode {
    ChooseProfile(ChooseProfileMode),
@@ -31,26 +33,39 @@ enum Mode {
        tool_picker: Entity<ToolPicker>,
        _subscription: Subscription,
    },
+    ConfigureMcps {
+        profile_id: AgentProfileId,
+        tool_picker: Entity<ToolPicker>,
+        _subscription: Subscription,
+    },
 }

 impl Mode {
    pub fn choose_profile(_window: &mut Window, cx: &mut Context<ManageProfilesModal>) -> Self {
        let settings = AssistantSettings::get_global(cx);

-        let mut profiles = settings.profiles.clone();
-        profiles.sort_unstable_by(|_, a, _, b| a.name.cmp(&b.name));
+        let mut builtin_profiles = Vec::new();
+        let mut custom_profiles = Vec::new();

-        let profiles = profiles
-            .into_iter()
-            .map(|(id, profile)| ProfileEntry {
-                id,
-                name: profile.name,
+        for (profile_id, profile) in settings.profiles.iter() {
+            let entry = ProfileEntry {
+                id: profile_id.clone(),
+                name: profile.name.clone(),
                navigation: NavigableEntry::focusable(cx),
-            })
-            .collect::<Vec<_>>();
+            };
+            if builtin_profiles::is_builtin(profile_id) {
+                builtin_profiles.push(entry);
+            } else {
+                custom_profiles.push(entry);
+            }
+        }
+
+        builtin_profiles.sort_unstable_by(|a, b| a.name.cmp(&b.name));
+        custom_profiles.sort_unstable_by(|a, b| a.name.cmp(&b.name));

        Self::ChooseProfile(ChooseProfileMode {
-            profiles,
+            builtin_profiles,
+            custom_profiles,
            add_new_profile: NavigableEntry::focusable(cx),
        })
    }
@@ -65,7 +80,8 @@ struct ProfileEntry {

 #[derive(Clone)]
 pub struct ChooseProfileMode {
-    profiles: Vec<ProfileEntry>,
+    builtin_profiles: Vec<ProfileEntry>,
+    custom_profiles: Vec<ProfileEntry>,
    add_new_profile: NavigableEntry,
 }

@@ -74,6 +90,8 @@ pub struct ViewProfileMode {
    profile_id: AgentProfileId,
    fork_profile: NavigableEntry,
    configure_tools: NavigableEntry,
+    configure_mcps: NavigableEntry,
+    cancel_item: NavigableEntry,
 }

 #[derive(Clone)]
@@ -97,7 +115,7 @@ impl ManageProfilesModal {
        _cx: &mut Context<Workspace>,
    ) {
        workspace.register_action(|workspace, action: &ManageProfiles, window, cx| {
-            if let Some(panel) = workspace.panel::<AssistantPanel>(cx) {
+            if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
                let fs = workspace.app_state().fs.clone();
                let thread_store = panel.read(cx).thread_store();
                let tools = thread_store.read(cx).tools();
@@ -106,7 +124,7 @@ impl ManageProfilesModal {
                    let mut this = Self::new(fs, tools, thread_store, window, cx);

                    if let Some(profile_id) = action.customize_tools.clone() {
-                        this.configure_tools(profile_id, window, cx);
+                        this.configure_builtin_tools(profile_id, window, cx);
                    }

                    this
@@ -166,11 +184,13 @@ impl ManageProfilesModal {
            profile_id,
            fork_profile: NavigableEntry::focusable(cx),
            configure_tools: NavigableEntry::focusable(cx),
+            configure_mcps: NavigableEntry::focusable(cx),
+            cancel_item: NavigableEntry::focusable(cx),
        });
        self.focus_handle(cx).focus(window);
    }

-    fn configure_tools(
+    fn configure_mcp_tools(
        &mut self,
        profile_id: AgentProfileId,
        window: &mut Window,
@@ -183,6 +203,7 @@ impl ManageProfilesModal {

        let tool_picker = cx.new(|cx| {
            let delegate = ToolPickerDelegate::new(
+                ToolPickerMode::McpTools,
                self.fs.clone(),
                self.tools.clone(),
                self.thread_store.clone(),
@@ -190,7 +211,45 @@ impl ManageProfilesModal {
                profile,
                cx,
            );
-            ToolPicker::new(delegate, window, cx)
+            ToolPicker::mcp_tools(delegate, window, cx)
+        });
+        let dismiss_subscription = cx.subscribe_in(&tool_picker, window, {
+            let profile_id = profile_id.clone();
+            move |this, _tool_picker, _: &DismissEvent, window, cx| {
+                this.view_profile(profile_id.clone(), window, cx);
+            }
+        });
+
+        self.mode = Mode::ConfigureMcps {
+            profile_id,
+            tool_picker,
+            _subscription: dismiss_subscription,
+        };
+        self.focus_handle(cx).focus(window);
+    }
+
+    fn configure_builtin_tools(
+        &mut self,
+        profile_id: AgentProfileId,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        let settings = AssistantSettings::get_global(cx);
+        let Some(profile) = settings.profiles.get(&profile_id).cloned() else {
+            return;
+        };
+
+        let tool_picker = cx.new(|cx| {
+            let delegate = ToolPickerDelegate::new(
+                ToolPickerMode::BuiltinTools,
+                self.fs.clone(),
+                self.tools.clone(),
+                self.thread_store.clone(),
+                profile_id.clone(),
+                profile,
+                cx,
+            );
+            ToolPicker::builtin_tools(delegate, window, cx)
        });
        let dismiss_subscription = cx.subscribe_in(&tool_picker, window, {
            let profile_id = profile_id.clone();
@@ -241,6 +300,7 @@ impl ManageProfilesModal {
            }
            Mode::ViewProfile(_) => {}
            Mode::ConfigureTools { .. } => {}
+            Mode::ConfigureMcps { .. } => {}
        }
    }

@@ -257,7 +317,12 @@ impl ManageProfilesModal {
                }
            }
            Mode::ViewProfile(_) => self.choose_profile(window, cx),
-            Mode::ConfigureTools { .. } => {}
+            Mode::ConfigureTools { profile_id, .. } => {
+                self.view_profile(profile_id.clone(), window, cx)
+            }
+            Mode::ConfigureMcps { profile_id, .. } => {
+                self.view_profile(profile_id.clone(), window, cx)
+            }
        }
    }

@@ -284,6 +349,7 @@ impl Focusable for ManageProfilesModal {
            Mode::NewProfile(mode) => mode.name_editor.focus_handle(cx),
            Mode::ViewProfile(_) => self.focus_handle.clone(),
            Mode::ConfigureTools { tool_picker, .. } => tool_picker.focus_handle(cx),
+            Mode::ConfigureMcps { tool_picker, .. } => tool_picker.focus_handle(cx),
        }
    }
 }
@@ -291,6 +357,51 @@ impl Focusable for ManageProfilesModal {
 impl EventEmitter<DismissEvent> for ManageProfilesModal {}

 impl ManageProfilesModal {
+    fn render_profile(
+        &self,
+        profile: &ProfileEntry,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) -> impl IntoElement + use<> {
+        div()
+            .id(SharedString::from(format!("profile-{}", profile.id)))
+            .track_focus(&profile.navigation.focus_handle)
+            .on_action({
+                let profile_id = profile.id.clone();
+                cx.listener(move |this, _: &menu::Confirm, window, cx| {
+                    this.view_profile(profile_id.clone(), window, cx);
+                })
+            })
+            .child(
+                ListItem::new(SharedString::from(format!("profile-{}", profile.id)))
+                    .toggle_state(profile.navigation.focus_handle.contains_focused(window, cx))
+                    .inset(true)
+                    .spacing(ListItemSpacing::Sparse)
+                    .child(Label::new(profile.name.clone()))
+                    .end_slot(
+                        h_flex()
+                            .gap_1()
+                            .child(
+                                Label::new("Customize")
+                                    .size(LabelSize::Small)
+                                    .color(Color::Muted),
+                            )
+                            .children(KeyBinding::for_action_in(
+                                &menu::Confirm,
+                                &self.focus_handle,
+                                window,
+                                cx,
+                            )),
+                    )
+                    .on_click({
+                        let profile_id = profile.id.clone();
+                        cx.listener(move |this, _, window, cx| {
+                            this.view_profile(profile_id.clone(), window, cx);
+                        })
+                    }),
+            )
+    }
+
    fn render_choose_profile(
        &mut self,
        mode: ChooseProfileMode,
@@ -301,57 +412,31 @@ impl ManageProfilesModal {
            div()
                .track_focus(&self.focus_handle(cx))
                .size_full()
-                .child(ProfileModalHeader::new(
-                    "Agent Profiles",
-                    IconName::ZedAssistant,
-                ))
+                .child(ProfileModalHeader::new("Agent Profiles", None))
                .child(
                    v_flex()
                        .pb_1()
                        .child(ListSeparator)
-                        .children(mode.profiles.iter().map(|profile| {
-                            div()
-                                .id(SharedString::from(format!("profile-{}", profile.id)))
-                                .track_focus(&profile.navigation.focus_handle)
-                                .on_action({
-                                    let profile_id = profile.id.clone();
-                                    cx.listener(move |this, _: &menu::Confirm, window, cx| {
-                                        this.view_profile(profile_id.clone(), window, cx);
-                                    })
-                                })
+                        .children(
+                            mode.builtin_profiles
+                                .iter()
+                                .map(|profile| self.render_profile(profile, window, cx)),
+                        )
+                        .when(!mode.custom_profiles.is_empty(), |this| {
+                            this.child(ListSeparator)
                                .child(
-                                    ListItem::new(SharedString::from(format!(
-                                        "profile-{}",
-                                        profile.id
-                                    )))
-                                    .toggle_state(
-                                        profile
-                                            .navigation
-                                            .focus_handle
-                                            .contains_focused(window, cx),
-                                    )
-                                    .inset(true)
-                                    .spacing(ListItemSpacing::Sparse)
-                                    .child(Label::new(profile.name.clone()))
-                                    .end_slot(
-                                        h_flex()
-                                            .gap_1()
-                                            .child(Label::new("Customize").size(LabelSize::Small))
-                                            .children(KeyBinding::for_action_in(
-                                                &menu::Confirm,
-                                                &self.focus_handle,
-                                                window,
-                                                cx,
-                                            )),
-                                    )
-                                    .on_click({
-                                        let profile_id = profile.id.clone();
-                                        cx.listener(move |this, _, window, cx| {
-                                            this.view_profile(profile_id.clone(), window, cx);
-                                        })
-                                    }),
+                                    div().pl_2().pb_1().child(
+                                        Label::new("Custom Profiles")
+                                            .size(LabelSize::Small)
+                                            .color(Color::Muted),
+                                    ),
                                )
-                        }))
+                                .children(
+                                    mode.custom_profiles
+                                        .iter()
+                                        .map(|profile| self.render_profile(profile, window, cx)),
+                                )
+                        })
                        .child(ListSeparator)
                        .child(
                            div()
@@ -382,7 +467,10 @@ impl ManageProfilesModal {
                .into_any_element(),
        )
        .map(|mut navigable| {
-            for profile in mode.profiles {
+            for profile in mode.builtin_profiles {
+                navigable = navigable.entry(profile.navigation);
+            }
+            for profile in mode.custom_profiles {
                navigable = navigable.entry(profile.navigation);
            }

@@ -411,11 +499,14 @@ impl ManageProfilesModal {
            .id("new-profile")
            .track_focus(&self.focus_handle(cx))
            .child(ProfileModalHeader::new(
-                match base_profile_name {
+                match &base_profile_name {
                    Some(base_profile) => format!("Fork {base_profile}"),
                    None => "New Profile".into(),
                },
-                IconName::Plus,
+                match base_profile_name {
+                    Some(_) => Some(IconName::Scissors),
+                    None => Some(IconName::Plus),
+                },
            ))
            .child(ListSeparator)
            .child(h_flex().p_2().child(mode.name_editor.clone()))
@@ -429,20 +520,24 @@ impl ManageProfilesModal {
    ) -> impl IntoElement {
        let settings = AssistantSettings::get_global(cx);

+        let profile_id = &settings.default_profile;
        let profile_name = settings
            .profiles
            .get(&mode.profile_id)
            .map(|profile| profile.name.clone())
            .unwrap_or_else(|| "Unknown".into());

+        let icon = match profile_id.as_str() {
+            "write" => IconName::Pencil,
+            "ask" => IconName::MessageBubbles,
+            _ => IconName::UserRoundPen,
+        };
+
        Navigable::new(
            div()
                .track_focus(&self.focus_handle(cx))
                .size_full()
-                .child(ProfileModalHeader::new(
-                    profile_name,
-                    IconName::ZedAssistant,
-                ))
+                .child(ProfileModalHeader::new(profile_name, Some(icon)))
                .child(
                    v_flex()
                        .pb_1()
@@ -466,7 +561,11 @@ impl ManageProfilesModal {
                                        )
                                        .inset(true)
                                        .spacing(ListItemSpacing::Sparse)
-                                        .start_slot(Icon::new(IconName::GitBranch))
+                                        .start_slot(
+                                            Icon::new(IconName::Scissors)
+                                                .size(IconSize::Small)
+                                                .color(Color::Muted),
+                                        )
                                        .child(Label::new("Fork Profile"))
                                        .on_click({
                                            let profile_id = mode.profile_id.clone();
@@ -482,16 +581,20 @@ impl ManageProfilesModal {
                        )
                        .child(
                            div()
-                                .id("configure-tools")
+                                .id("configure-builtin-tools")
                                .track_focus(&mode.configure_tools.focus_handle)
                                .on_action({
                                    let profile_id = mode.profile_id.clone();
                                    cx.listener(move |this, _: &menu::Confirm, window, cx| {
-                                        this.configure_tools(profile_id.clone(), window, cx);
+                                        this.configure_builtin_tools(
+                                            profile_id.clone(),
+                                            window,
+                                            cx,
+                                        );
                                    })
                                })
                                .child(
-                                    ListItem::new("configure-tools")
+                                    ListItem::new("configure-builtin-tools-item")
                                        .toggle_state(
                                            mode.configure_tools
                                                .focus_handle
@@ -499,12 +602,16 @@ impl ManageProfilesModal {
                                        )
                                        .inset(true)
                                        .spacing(ListItemSpacing::Sparse)
-                                        .start_slot(Icon::new(IconName::Cog))
-                                        .child(Label::new("Configure Tools"))
+                                        .start_slot(
+                                            Icon::new(IconName::Settings)
+                                                .size(IconSize::Small)
+                                                .color(Color::Muted),
+                                        )
+                                        .child(Label::new("Configure Built-in Tools"))
                                        .on_click({
                                            let profile_id = mode.profile_id.clone();
                                            cx.listener(move |this, _, window, cx| {
-                                                this.configure_tools(
+                                                this.configure_builtin_tools(
                                                    profile_id.clone(),
                                                    window,
                                                    cx,
@@ -512,12 +619,94 @@ impl ManageProfilesModal {
                                            })
                                        }),
                                ),
+                        )
+                        .child(
+                            div()
+                                .id("configure-mcps")
+                                .track_focus(&mode.configure_mcps.focus_handle)
+                                .on_action({
+                                    let profile_id = mode.profile_id.clone();
+                                    cx.listener(move |this, _: &menu::Confirm, window, cx| {
+                                        this.configure_mcp_tools(profile_id.clone(), window, cx);
+                                    })
+                                })
+                                .child(
+                                    ListItem::new("configure-mcp-tools")
+                                        .toggle_state(
+                                            mode.configure_mcps
+                                                .focus_handle
+                                                .contains_focused(window, cx),
+                                        )
+                                        .inset(true)
+                                        .spacing(ListItemSpacing::Sparse)
+                                        .start_slot(
+                                            Icon::new(IconName::Hammer)
+                                                .size(IconSize::Small)
+                                                .color(Color::Muted),
+                                        )
+                                        .child(Label::new("Configure MCP Tools"))
+                                        .on_click({
+                                            let profile_id = mode.profile_id.clone();
+                                            cx.listener(move |this, _, window, cx| {
+                                                this.configure_mcp_tools(
+                                                    profile_id.clone(),
+                                                    window,
+                                                    cx,
+                                                );
+                                            })
+                                        }),
+                                ),
+                        )
+                        .child(ListSeparator)
+                        .child(
+                            div()
+                                .id("cancel-item")
+                                .track_focus(&mode.cancel_item.focus_handle)
+                                .on_action({
+                                    cx.listener(move |this, _: &menu::Confirm, window, cx| {
+                                        this.cancel(window, cx);
+                                    })
+                                })
+                                .child(
+                                    ListItem::new("cancel-item")
+                                        .toggle_state(
+                                            mode.cancel_item
+                                                .focus_handle
+                                                .contains_focused(window, cx),
+                                        )
+                                        .inset(true)
+                                        .spacing(ListItemSpacing::Sparse)
+                                        .start_slot(
+                                            Icon::new(IconName::ArrowLeft)
+                                                .size(IconSize::Small)
+                                                .color(Color::Muted),
+                                        )
+                                        .child(Label::new("Go Back"))
+                                        .end_slot(
+                                            div().children(
+                                                KeyBinding::for_action_in(
+                                                    &menu::Cancel,
+                                                    &self.focus_handle,
+                                                    window,
+                                                    cx,
+                                                )
+                                                .map(|kb| kb.size(rems_from_px(12.))),
+                                            ),
+                                        )
+                                        .on_click({
+                                            cx.listener(move |this, _, window, cx| {
+                                                this.cancel(window, cx);
+                                            })
+                                        }),
+                                ),
                        ),
                )
                .into_any_element(),
        )
        .entry(mode.fork_profile)
        .entry(mode.configure_tools)
+        .entry(mode.configure_mcps)
+        .entry(mode.cancel_item)
    }
 }

@@ -525,6 +714,43 @@ impl Render for ManageProfilesModal {
    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
        let settings = AssistantSettings::get_global(cx);

+        let go_back_item = div()
+            .id("cancel-item")
+            .track_focus(&self.focus_handle)
+            .on_action({
+                cx.listener(move |this, _: &menu::Confirm, window, cx| {
+                    this.cancel(window, cx);
+                })
+            })
+            .child(
+                ListItem::new("cancel-item")
+                    .toggle_state(self.focus_handle.contains_focused(window, cx))
+                    .inset(true)
+                    .spacing(ListItemSpacing::Sparse)
+                    .start_slot(
+                        Icon::new(IconName::ArrowLeft)
+                            .size(IconSize::Small)
+                            .color(Color::Muted),
+                    )
+                    .child(Label::new("Go Back"))
+                    .end_slot(
+                        div().children(
+                            KeyBinding::for_action_in(
+                                &menu::Cancel,
+                                &self.focus_handle,
+                                window,
+                                cx,
+                            )
+                            .map(|kb| kb.size(rems_from_px(12.))),
+                        ),
+                    )
+                    .on_click({
+                        cx.listener(move |this, _, window, cx| {
+                            this.cancel(window, cx);
+                        })
+                    }),
+            );
+
        div()
            .elevation_3(cx)
            .w(rems(34.))
@@ -556,13 +782,39 @@ impl Render for ManageProfilesModal {
                        .map(|profile| profile.name.clone())
                        .unwrap_or_else(|| "Unknown".into());

-                    div()
+                    v_flex()
+                        .pb_1()
                        .child(ProfileModalHeader::new(
-                            format!("{profile_name}: Configure Tools"),
-                            IconName::Cog,
+                            format!("{profile_name} — Configure Built-in Tools"),
+                            Some(IconName::Cog),
                        ))
                        .child(ListSeparator)
                        .child(tool_picker.clone())
+                        .child(ListSeparator)
+                        .child(go_back_item)
+                        .into_any_element()
+                }
+                Mode::ConfigureMcps {
+                    profile_id,
+                    tool_picker,
+                    ..
+                } => {
+                    let profile_name = settings
+                        .profiles
+                        .get(profile_id)
+                        .map(|profile| profile.name.clone())
+                        .unwrap_or_else(|| "Unknown".into());
+
+                    v_flex()
+                        .pb_1()
+                        .child(ProfileModalHeader::new(
+                            format!("{profile_name} — Configure MCP Tools"),
+                            Some(IconName::Hammer),
+                        ))
+                        .child(ListSeparator)
+                        .child(tool_picker.clone())
+                        .child(ListSeparator)
+                        .child(go_back_item)
                        .into_any_element()
                }
            })
--- a/crates/agent/src/agent_configuration/manage_profiles_modal/profile_modal_header.rs
+++ b/crates/agent/src/agent_configuration/manage_profiles_modal/profile_modal_header.rs
@@ -0,0 +1,42 @@
+use ui::prelude::*;
+
+#[derive(IntoElement)]
+pub struct ProfileModalHeader {
+    label: SharedString,
+    icon: Option<IconName>,
+}
+
+impl ProfileModalHeader {
+    pub fn new(label: impl Into<SharedString>, icon: Option<IconName>) -> Self {
+        Self {
+            label: label.into(),
+            icon,
+        }
+    }
+}
+
+impl RenderOnce for ProfileModalHeader {
+    fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
+        let mut container = h_flex()
+            .w_full()
+            .px(DynamicSpacing::Base12.rems(cx))
+            .pt(DynamicSpacing::Base08.rems(cx))
+            .pb(DynamicSpacing::Base04.rems(cx))
+            .rounded_t_sm()
+            .gap_1p5();
+
+        if let Some(icon) = self.icon {
+            container = container.child(Icon::new(icon).size(IconSize::XSmall).color(Color::Muted));
+        }
+
+        container.child(
+            h_flex().gap_1().overflow_x_hidden().child(
+                div()
+                    .max_w_96()
+                    .overflow_x_hidden()
+                    .text_ellipsis()
+                    .child(Headline::new(self.label).size(HeadlineSize::XSmall)),
+            ),
+        )
+    }
+}
--- a/crates/agent/src/agent_configuration/tool_picker.rs
+++ b/crates/agent/src/agent_configuration/tool_picker.rs
@@ -0,0 +1,377 @@
+use std::{collections::BTreeMap, sync::Arc};
+
+use assistant_settings::{
+    AgentProfile, AgentProfileContent, AgentProfileId, AssistantSettings, AssistantSettingsContent,
+    ContextServerPresetContent,
+};
+use assistant_tool::{ToolSource, ToolWorkingSet};
+use fs::Fs;
+use gpui::{App, Context, DismissEvent, Entity, EventEmitter, Focusable, Task, WeakEntity, Window};
+use picker::{Picker, PickerDelegate};
+use settings::{Settings as _, update_settings_file};
+use ui::{ListItem, ListItemSpacing, prelude::*};
+use util::ResultExt as _;
+
+use crate::ThreadStore;
+
+pub struct ToolPicker {
+    picker: Entity<Picker<ToolPickerDelegate>>,
+}
+
+#[derive(Clone, Copy, Debug, PartialEq)]
+pub enum ToolPickerMode {
+    BuiltinTools,
+    McpTools,
+}
+
+impl ToolPicker {
+    pub fn builtin_tools(
+        delegate: ToolPickerDelegate,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) -> Self {
+        let picker = cx.new(|cx| Picker::uniform_list(delegate, window, cx).modal(false));
+        Self { picker }
+    }
+
+    pub fn mcp_tools(
+        delegate: ToolPickerDelegate,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) -> Self {
+        let picker = cx.new(|cx| Picker::list(delegate, window, cx).modal(false));
+        Self { picker }
+    }
+}
+
+impl EventEmitter<DismissEvent> for ToolPicker {}
+
+impl Focusable for ToolPicker {
+    fn focus_handle(&self, cx: &App) -> gpui::FocusHandle {
+        self.picker.focus_handle(cx)
+    }
+}
+
+impl Render for ToolPicker {
+    fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
+        v_flex().w(rems(34.)).child(self.picker.clone())
+    }
+}
+
+#[derive(Debug, Clone)]
+pub enum PickerItem {
+    Tool {
+        server_id: Option<Arc<str>>,
+        name: Arc<str>,
+    },
+    ContextServer {
+        server_id: Arc<str>,
+    },
+}
+
+pub struct ToolPickerDelegate {
+    tool_picker: WeakEntity<ToolPicker>,
+    thread_store: WeakEntity<ThreadStore>,
+    fs: Arc<dyn Fs>,
+    items: Arc<Vec<PickerItem>>,
+    profile_id: AgentProfileId,
+    profile: AgentProfile,
+    filtered_items: Vec<PickerItem>,
+    selected_index: usize,
+    mode: ToolPickerMode,
+}
+
+impl ToolPickerDelegate {
+    pub fn new(
+        mode: ToolPickerMode,
+        fs: Arc<dyn Fs>,
+        tool_set: Entity<ToolWorkingSet>,
+        thread_store: WeakEntity<ThreadStore>,
+        profile_id: AgentProfileId,
+        profile: AgentProfile,
+        cx: &mut Context<ToolPicker>,
+    ) -> Self {
+        let items = Arc::new(Self::resolve_items(mode, &tool_set, cx));
+
+        Self {
+            tool_picker: cx.entity().downgrade(),
+            thread_store,
+            fs,
+            items,
+            profile_id,
+            profile,
+            filtered_items: Vec::new(),
+            selected_index: 0,
+            mode,
+        }
+    }
+
+    fn resolve_items(
+        mode: ToolPickerMode,
+        tool_set: &Entity<ToolWorkingSet>,
+        cx: &mut App,
+    ) -> Vec<PickerItem> {
+        let mut items = Vec::new();
+        for (source, tools) in tool_set.read(cx).tools_by_source(cx) {
+            match source {
+                ToolSource::Native => {
+                    if mode == ToolPickerMode::BuiltinTools {
+                        items.extend(tools.into_iter().map(|tool| PickerItem::Tool {
+                            name: tool.name().into(),
+                            server_id: None,
+                        }));
+                    }
+                }
+                ToolSource::ContextServer { id } => {
+                    if mode == ToolPickerMode::McpTools && !tools.is_empty() {
+                        let server_id: Arc<str> = id.clone().into();
+                        items.push(PickerItem::ContextServer {
+                            server_id: server_id.clone(),
+                        });
+                        items.extend(tools.into_iter().map(|tool| PickerItem::Tool {
+                            name: tool.name().into(),
+                            server_id: Some(server_id.clone()),
+                        }));
+                    }
+                }
+            }
+        }
+        items
+    }
+}
+
+impl PickerDelegate for ToolPickerDelegate {
+    type ListItem = AnyElement;
+
+    fn match_count(&self) -> usize {
+        self.filtered_items.len()
+    }
+
+    fn selected_index(&self) -> usize {
+        self.selected_index
+    }
+
+    fn set_selected_index(
+        &mut self,
+        ix: usize,
+        _window: &mut Window,
+        _cx: &mut Context<Picker<Self>>,
+    ) {
+        self.selected_index = ix;
+    }
+
+    fn can_select(
+        &mut self,
+        ix: usize,
+        _window: &mut Window,
+        _cx: &mut Context<Picker<Self>>,
+    ) -> bool {
+        let item = &self.filtered_items[ix];
+        match item {
+            PickerItem::Tool { .. } => true,
+            PickerItem::ContextServer { .. } => false,
+        }
+    }
+
+    fn placeholder_text(&self, _window: &mut Window, _cx: &mut App) -> Arc<str> {
+        match self.mode {
+            ToolPickerMode::BuiltinTools => "Search built-in tools…",
+            ToolPickerMode::McpTools => "Search MCP tools…",
+        }
+        .into()
+    }
+
+    fn update_matches(
+        &mut self,
+        query: String,
+        window: &mut Window,
+        cx: &mut Context<Picker<Self>>,
+    ) -> Task<()> {
+        let all_items = self.items.clone();
+
+        cx.spawn_in(window, async move |this, cx| {
+            let filtered_items = cx
+                .background_spawn(async move {
+                    let mut tools_by_provider: BTreeMap<Option<Arc<str>>, Vec<Arc<str>>> =
+                        BTreeMap::default();
+
+                    for item in all_items.iter() {
+                        if let PickerItem::Tool { server_id, name } = item.clone() {
+                            if name.contains(&query) {
+                                tools_by_provider.entry(server_id).or_default().push(name);
+                            }
+                        }
+                    }
+
+                    let mut items = Vec::new();
+
+                    for (server_id, names) in tools_by_provider {
+                        if let Some(server_id) = server_id.clone() {
+                            items.push(PickerItem::ContextServer { server_id });
+                        }
+                        for name in names {
+                            items.push(PickerItem::Tool {
+                                server_id: server_id.clone(),
+                                name,
+                            });
+                        }
+                    }
+
+                    items
+                })
+                .await;
+
+            this.update(cx, |this, _cx| {
+                this.delegate.filtered_items = filtered_items;
+                this.delegate.selected_index = this
+                    .delegate
+                    .selected_index
+                    .min(this.delegate.filtered_items.len().saturating_sub(1));
+            })
+            .log_err();
+        })
+    }
+
+    fn confirm(&mut self, _secondary: bool, window: &mut Window, cx: &mut Context<Picker<Self>>) {
+        if self.filtered_items.is_empty() {
+            self.dismissed(window, cx);
+            return;
+        }
+
+        let item = &self.filtered_items[self.selected_index];
+
+        let PickerItem::Tool {
+            name: tool_name,
+            server_id,
+        } = item
+        else {
+            return;
+        };
+
+        let is_currently_enabled = if let Some(server_id) = server_id.clone() {
+            let preset = self.profile.context_servers.entry(server_id).or_default();
+            let is_enabled = *preset.tools.entry(tool_name.clone()).or_default();
+            *preset.tools.entry(tool_name.clone()).or_default() = !is_enabled;
+            is_enabled
+        } else {
+            let is_enabled = *self.profile.tools.entry(tool_name.clone()).or_default();
+            *self.profile.tools.entry(tool_name.clone()).or_default() = !is_enabled;
+            is_enabled
+        };
+
+        let active_profile_id = &AssistantSettings::get_global(cx).default_profile;
+        if active_profile_id == &self.profile_id {
+            self.thread_store
+                .update(cx, |this, cx| {
+                    this.load_profile(self.profile.clone(), cx);
+                })
+                .log_err();
+        }
+
+        update_settings_file::<AssistantSettings>(self.fs.clone(), cx, {
+            let profile_id = self.profile_id.clone();
+            let default_profile = self.profile.clone();
+            let server_id = server_id.clone();
+            let tool_name = tool_name.clone();
+            move |settings: &mut AssistantSettingsContent, _cx| {
+                settings
+                    .v2_setting(|v2_settings| {
+                        let profiles = v2_settings.profiles.get_or_insert_default();
+                        let profile =
+                            profiles
+                                .entry(profile_id)
+                                .or_insert_with(|| AgentProfileContent {
+                                    name: default_profile.name.into(),
+                                    tools: default_profile.tools,
+                                    enable_all_context_servers: Some(
+                                        default_profile.enable_all_context_servers,
+                                    ),
+                                    context_servers: default_profile
+                                        .context_servers
+                                        .into_iter()
+                                        .map(|(server_id, preset)| {
+                                            (
+                                                server_id,
+                                                ContextServerPresetContent {
+                                                    tools: preset.tools,
+                                                },
+                                            )
+                                        })
+                                        .collect(),
+                                });
+
+                        if let Some(server_id) = server_id {
+                            let preset = profile.context_servers.entry(server_id).or_default();
+                            *preset.tools.entry(tool_name).or_default() = !is_currently_enabled;
+                        } else {
+                            *profile.tools.entry(tool_name).or_default() = !is_currently_enabled;
+                        }
+
+                        Ok(())
+                    })
+                    .ok();
+            }
+        });
+    }
+
+    fn dismissed(&mut self, _window: &mut Window, cx: &mut Context<Picker<Self>>) {
+        self.tool_picker
+            .update(cx, |_this, cx| cx.emit(DismissEvent))
+            .log_err();
+    }
+
+    fn render_match(
+        &self,
+        ix: usize,
+        selected: bool,
+        _window: &mut Window,
+        cx: &mut Context<Picker<Self>>,
+    ) -> Option<Self::ListItem> {
+        let item = &self.filtered_items[ix];
+        match item {
+            PickerItem::ContextServer { server_id, .. } => Some(
+                div()
+                    .px_2()
+                    .pb_1()
+                    .when(ix > 1, |this| {
+                        this.mt_1()
+                            .pt_2()
+                            .border_t_1()
+                            .border_color(cx.theme().colors().border_variant)
+                    })
+                    .child(
+                        Label::new(server_id)
+                            .size(LabelSize::XSmall)
+                            .color(Color::Muted),
+                    )
+                    .into_any_element(),
+            ),
+            PickerItem::Tool { name, server_id } => {
+                let is_enabled = if let Some(server_id) = server_id {
+                    self.profile
+                        .context_servers
+                        .get(server_id.as_ref())
+                        .and_then(|preset| preset.tools.get(name))
+                        .copied()
+                        .unwrap_or(self.profile.enable_all_context_servers)
+                } else {
+                    self.profile.tools.get(name).copied().unwrap_or(false)
+                };
+
+                Some(
+                    ListItem::new(ix)
+                        .inset(true)
+                        .spacing(ListItemSpacing::Sparse)
+                        .toggle_state(selected)
+                        .child(Label::new(name.clone()))
+                        .end_slot::<Icon>(is_enabled.then(|| {
+                            Icon::new(IconName::Check)
+                                .size(IconSize::Small)
+                                .color(Color::Success)
+                        }))
+                        .into_any_element(),
+                )
+            }
+        }
+    }
+}
--- a/crates/agent/src/agent_diff.rs
+++ b/crates/agent/src/agent_diff.rs
--- a/crates/agent/src/assistant_model_selector.rs
+++ b/crates/agent/src/assistant_model_selector.rs
@@ -2,40 +2,67 @@ use assistant_settings::AssistantSettings;
 use fs::Fs;
 use gpui::{Entity, FocusHandle, SharedString};

+use crate::Thread;
+use language_model::{ConfiguredModel, LanguageModelRegistry};
 use language_model_selector::{
    LanguageModelSelector, LanguageModelSelectorPopoverMenu, ToggleModelSelector,
 };
 use settings::update_settings_file;
 use std::sync::Arc;
-use ui::{ButtonLike, PopoverMenuHandle, Tooltip, prelude::*};
+use ui::{PopoverMenuHandle, Tooltip, prelude::*};

-pub use language_model_selector::ModelType;
+#[derive(Clone)]
+pub enum ModelType {
+    Default(Entity<Thread>),
+    InlineAssistant,
+}

-pub struct AssistantModelSelector {
+pub struct AgentModelSelector {
    selector: Entity<LanguageModelSelector>,
    menu_handle: PopoverMenuHandle<LanguageModelSelector>,
    focus_handle: FocusHandle,
 }

-impl AssistantModelSelector {
+impl AgentModelSelector {
    pub(crate) fn new(
        fs: Arc<dyn Fs>,
        menu_handle: PopoverMenuHandle<LanguageModelSelector>,
        focus_handle: FocusHandle,
        model_type: ModelType,
        window: &mut Window,
-        cx: &mut App,
+        cx: &mut Context<Self>,
    ) -> Self {
        Self {
-            selector: cx.new(|cx| {
+            selector: cx.new(move |cx| {
                let fs = fs.clone();
                LanguageModelSelector::new(
+                    {
+                        let model_type = model_type.clone();
+                        move |cx| match &model_type {
+                            ModelType::Default(thread) => thread.read(cx).configured_model(),
+                            ModelType::InlineAssistant => {
+                                LanguageModelRegistry::read_global(cx).inline_assistant_model()
+                            }
+                        }
+                    },
                    move |model, cx| {
                        let provider = model.provider_id().0.to_string();
                        let model_id = model.id().0.to_string();
-
-                        match model_type {
-                            ModelType::Default => {
+                        match &model_type {
+                            ModelType::Default(thread) => {
+                                thread.update(cx, |thread, cx| {
+                                    let registry = LanguageModelRegistry::read_global(cx);
+                                    if let Some(provider) = registry.provider(&model.provider_id())
+                                    {
+                                        thread.set_configured_model(
+                                            Some(ConfiguredModel {
+                                                provider,
+                                                model: model.clone(),
+                                            }),
+                                            cx,
+                                        );
+                                    }
+                                });
                                update_settings_file::<AssistantSettings>(
                                    fs.clone(),
                                    cx,
@@ -58,7 +85,6 @@ impl AssistantModelSelector {
                            }
                        }
                    },
-                    model_type,
                    window,
                    cx,
                )
@@ -73,40 +99,24 @@ impl AssistantModelSelector {
    }
 }

-impl Render for AssistantModelSelector {
+impl Render for AgentModelSelector {
    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
        let focus_handle = self.focus_handle.clone();

        let model = self.selector.read(cx).active_model(cx);
-        let (model_name, model_icon) = match model {
-            Some(model) => (model.model.name().0, Some(model.provider.icon())),
-            _ => (SharedString::from("No model selected"), None),
-        };
+        let model_name = model
+            .map(|model| model.model.name().0)
+            .unwrap_or_else(|| SharedString::from("No model selected"));

        LanguageModelSelectorPopoverMenu::new(
            self.selector.clone(),
-            ButtonLike::new("active-model")
-                .style(ButtonStyle::Subtle)
-                .child(
-                    h_flex()
-                        .gap_0p5()
-                        .children(
-                            model_icon.map(|icon| {
-                                Icon::new(icon).color(Color::Muted).size(IconSize::Small)
-                            }),
-                        )
-                        .child(
-                            Label::new(model_name)
-                                .size(LabelSize::Small)
-                                .color(Color::Muted)
-                                .ml_1(),
-                        )
-                        .child(
-                            Icon::new(IconName::ChevronDown)
-                                .color(Color::Muted)
-                                .size(IconSize::XSmall),
-                        ),
-                ),
+            Button::new("active-model", model_name)
+                .label_size(LabelSize::Small)
+                .color(Color::Muted)
+                .icon(IconName::ChevronDown)
+                .icon_size(IconSize::XSmall)
+                .icon_position(IconPosition::End)
+                .icon_color(Color::Muted),
            move |window, cx| {
                Tooltip::for_action_in(
                    "Change Model",
--- a/crates/agent/src/assistant_panel.rs
+++ b/crates/agent/src/assistant_panel.rs
--- a/crates/agent/src/assistant.rs
+++ b/crates/agent/src/assistant.rs
@@ -1,149 +0,0 @@
-mod active_thread;
-mod agent_diff;
-mod assistant_configuration;
-mod assistant_model_selector;
-mod assistant_panel;
-pub mod batch_assist;
-mod buffer_codegen;
-mod context;
-mod context_picker;
-mod context_store;
-mod context_strip;
-mod history_store;
-mod inline_assistant;
-mod inline_prompt_editor;
-mod message_editor;
-mod profile_selector;
-mod terminal_codegen;
-mod terminal_inline_assistant;
-mod thread;
-mod thread_history;
-mod thread_store;
-mod tool_compatibility;
-mod tool_use;
-mod ui;
-
-use std::sync::Arc;
-
-use assistant_settings::{AgentProfileId, AssistantSettings};
-use client::Client;
-use command_palette_hooks::CommandPaletteFilter;
-use feature_flags::{Assistant2FeatureFlag, FeatureFlagAppExt};
-use fs::Fs;
-use gpui::{App, actions, impl_actions};
-use prompt_store::PromptBuilder;
-use schemars::JsonSchema;
-use serde::Deserialize;
-use settings::Settings as _;
-use thread::ThreadId;
-
-pub use crate::active_thread::ActiveThread;
-use crate::assistant_configuration::{AddContextServerModal, ManageProfilesModal};
-pub use crate::assistant_panel::{AssistantPanel, ConcreteAssistantPanelDelegate};
-pub use crate::context::{ContextLoadResult, LoadedContext};
-pub use crate::inline_assistant::InlineAssistant;
-pub use crate::thread::{Message, Thread, ThreadEvent};
-pub use crate::thread_store::ThreadStore;
-pub use agent_diff::{AgentDiff, AgentDiffToolbar};
-
-actions!(
-    agent,
-    [
-        NewTextThread,
-        ToggleContextPicker,
-        ToggleProfileSelector,
-        RemoveAllContext,
-        ExpandMessageEditor,
-        OpenHistory,
-        AddContextServer,
-        RemoveSelectedThread,
-        Chat,
-        ChatMode,
-        CycleNextInlineAssist,
-        CyclePreviousInlineAssist,
-        FocusUp,
-        FocusDown,
-        FocusLeft,
-        FocusRight,
-        RemoveFocusedContext,
-        AcceptSuggestedContext,
-        OpenActiveThreadAsMarkdown,
-        OpenAgentDiff,
-        Keep,
-        Reject,
-        RejectAll,
-        KeepAll
-    ]
-);
-
-#[derive(Default, Clone, PartialEq, Deserialize, JsonSchema)]
-pub struct NewThread {
-    #[serde(default)]
-    from_thread_id: Option<ThreadId>,
-}
-
-#[derive(PartialEq, Clone, Default, Debug, Deserialize, JsonSchema)]
-pub struct ManageProfiles {
-    #[serde(default)]
-    pub customize_tools: Option<AgentProfileId>,
-}
-
-impl ManageProfiles {
-    pub fn customize_tools(profile_id: AgentProfileId) -> Self {
-        Self {
-            customize_tools: Some(profile_id),
-        }
-    }
-}
-
-impl_actions!(agent, [NewThread, ManageProfiles]);
-
-const NAMESPACE: &str = "agent";
-
-/// Initializes the `agent` crate.
-pub fn init(
-    fs: Arc<dyn Fs>,
-    client: Arc<Client>,
-    prompt_builder: Arc<PromptBuilder>,
-    cx: &mut App,
-) {
-    AssistantSettings::register(cx);
-    thread_store::init(cx);
-    assistant_panel::init(cx);
-
-    inline_assistant::init(
-        fs.clone(),
-        prompt_builder.clone(),
-        client.telemetry().clone(),
-        cx,
-    );
-    terminal_inline_assistant::init(
-        fs.clone(),
-        prompt_builder.clone(),
-        client.telemetry().clone(),
-        cx,
-    );
-    cx.observe_new(AddContextServerModal::register).detach();
-    cx.observe_new(ManageProfilesModal::register).detach();
-
-    feature_gate_agent_actions(cx);
-}
-
-fn feature_gate_agent_actions(cx: &mut App) {
-    CommandPaletteFilter::update_global(cx, |filter, _cx| {
-        filter.hide_namespace(NAMESPACE);
-    });
-
-    cx.observe_flag::<Assistant2FeatureFlag, _>(move |is_enabled, cx| {
-        if is_enabled {
-            CommandPaletteFilter::update_global(cx, |filter, _cx| {
-                filter.show_namespace(NAMESPACE);
-            });
-        } else {
-            CommandPaletteFilter::update_global(cx, |filter, _cx| {
-                filter.hide_namespace(NAMESPACE);
-            });
-        }
-    })
-    .detach();
-}
--- a/crates/agent/src/assistant_configuration.rs
+++ b/crates/agent/src/assistant_configuration.rs
@@ -1,501 +0,0 @@
-mod add_context_server_modal;
-mod manage_profiles_modal;
-mod tool_picker;
-
-use std::sync::Arc;
-
-use assistant_settings::AssistantSettings;
-use assistant_tool::{ToolSource, ToolWorkingSet};
-use collections::HashMap;
-use context_server::manager::ContextServerManager;
-use fs::Fs;
-use gpui::{
-    Action, AnyView, App, Entity, EventEmitter, FocusHandle, Focusable, ScrollHandle, Subscription,
-};
-use language_model::{LanguageModelProvider, LanguageModelProviderId, LanguageModelRegistry};
-use settings::{Settings, update_settings_file};
-use ui::{
-    Disclosure, Divider, DividerColor, ElevationIndex, Indicator, Scrollbar, ScrollbarState,
-    Switch, SwitchColor, Tooltip, prelude::*,
-};
-use util::ResultExt as _;
-use zed_actions::ExtensionCategoryFilter;
-
-pub(crate) use add_context_server_modal::AddContextServerModal;
-pub(crate) use manage_profiles_modal::ManageProfilesModal;
-
-use crate::AddContextServer;
-
-pub struct AssistantConfiguration {
-    fs: Arc<dyn Fs>,
-    focus_handle: FocusHandle,
-    configuration_views_by_provider: HashMap<LanguageModelProviderId, AnyView>,
-    context_server_manager: Entity<ContextServerManager>,
-    expanded_context_server_tools: HashMap<Arc<str>, bool>,
-    tools: Entity<ToolWorkingSet>,
-    _registry_subscription: Subscription,
-    scroll_handle: ScrollHandle,
-    scrollbar_state: ScrollbarState,
-}
-
-impl AssistantConfiguration {
-    pub fn new(
-        fs: Arc<dyn Fs>,
-        context_server_manager: Entity<ContextServerManager>,
-        tools: Entity<ToolWorkingSet>,
-        window: &mut Window,
-        cx: &mut Context<Self>,
-    ) -> Self {
-        let focus_handle = cx.focus_handle();
-
-        let registry_subscription = cx.subscribe_in(
-            &LanguageModelRegistry::global(cx),
-            window,
-            |this, _, event: &language_model::Event, window, cx| match event {
-                language_model::Event::AddedProvider(provider_id) => {
-                    let provider = LanguageModelRegistry::read_global(cx).provider(provider_id);
-                    if let Some(provider) = provider {
-                        this.add_provider_configuration_view(&provider, window, cx);
-                    }
-                }
-                language_model::Event::RemovedProvider(provider_id) => {
-                    this.remove_provider_configuration_view(provider_id);
-                }
-                _ => {}
-            },
-        );
-
-        let scroll_handle = ScrollHandle::new();
-        let scrollbar_state = ScrollbarState::new(scroll_handle.clone());
-
-        let mut this = Self {
-            fs,
-            focus_handle,
-            configuration_views_by_provider: HashMap::default(),
-            context_server_manager,
-            expanded_context_server_tools: HashMap::default(),
-            tools,
-            _registry_subscription: registry_subscription,
-            scroll_handle,
-            scrollbar_state,
-        };
-        this.build_provider_configuration_views(window, cx);
-        this
-    }
-
-    fn build_provider_configuration_views(&mut self, window: &mut Window, cx: &mut Context<Self>) {
-        let providers = LanguageModelRegistry::read_global(cx).providers();
-        for provider in providers {
-            self.add_provider_configuration_view(&provider, window, cx);
-        }
-    }
-
-    fn remove_provider_configuration_view(&mut self, provider_id: &LanguageModelProviderId) {
-        self.configuration_views_by_provider.remove(provider_id);
-    }
-
-    fn add_provider_configuration_view(
-        &mut self,
-        provider: &Arc<dyn LanguageModelProvider>,
-        window: &mut Window,
-        cx: &mut Context<Self>,
-    ) {
-        let configuration_view = provider.configuration_view(window, cx);
-        self.configuration_views_by_provider
-            .insert(provider.id(), configuration_view);
-    }
-}
-
-impl Focusable for AssistantConfiguration {
-    fn focus_handle(&self, _: &App) -> FocusHandle {
-        self.focus_handle.clone()
-    }
-}
-
-pub enum AssistantConfigurationEvent {
-    NewThread(Arc<dyn LanguageModelProvider>),
-}
-
-impl EventEmitter<AssistantConfigurationEvent> for AssistantConfiguration {}
-
-impl AssistantConfiguration {
-    fn render_provider_configuration_block(
-        &mut self,
-        provider: &Arc<dyn LanguageModelProvider>,
-        cx: &mut Context<Self>,
-    ) -> impl IntoElement + use<> {
-        let provider_id = provider.id().0.clone();
-        let provider_name = provider.name().0.clone();
-        let configuration_view = self
-            .configuration_views_by_provider
-            .get(&provider.id())
-            .cloned();
-
-        v_flex()
-            .pt_3()
-            .pb_1()
-            .gap_1p5()
-            .border_t_1()
-            .border_color(cx.theme().colors().border.opacity(0.6))
-            .child(
-                h_flex()
-                    .justify_between()
-                    .child(
-                        h_flex()
-                            .gap_2()
-                            .child(
-                                Icon::new(provider.icon())
-                                    .size(IconSize::Small)
-                                    .color(Color::Muted),
-                            )
-                            .child(Label::new(provider_name.clone()).size(LabelSize::Large)),
-                    )
-                    .when(provider.is_authenticated(cx), |parent| {
-                        parent.child(
-                            Button::new(
-                                SharedString::from(format!("new-thread-{provider_id}")),
-                                "Start New Thread",
-                            )
-                            .icon_position(IconPosition::Start)
-                            .icon(IconName::Plus)
-                            .icon_size(IconSize::Small)
-                            .style(ButtonStyle::Filled)
-                            .layer(ElevationIndex::ModalSurface)
-                            .label_size(LabelSize::Small)
-                            .on_click(cx.listener({
-                                let provider = provider.clone();
-                                move |_this, _event, _window, cx| {
-                                    cx.emit(AssistantConfigurationEvent::NewThread(
-                                        provider.clone(),
-                                    ))
-                                }
-                            })),
-                        )
-                    }),
-            )
-            .map(|parent| match configuration_view {
-                Some(configuration_view) => parent.child(configuration_view),
-                None => parent.child(div().child(Label::new(format!(
-                    "No configuration view for {provider_name}",
-                )))),
-            })
-    }
-
-    fn render_provider_configuration_section(
-        &mut self,
-        cx: &mut Context<Self>,
-    ) -> impl IntoElement {
-        let providers = LanguageModelRegistry::read_global(cx).providers();
-
-        v_flex()
-            .p(DynamicSpacing::Base16.rems(cx))
-            .pr(DynamicSpacing::Base20.rems(cx))
-            .gap_4()
-            .flex_1()
-            .child(
-                v_flex()
-                    .gap_0p5()
-                    .child(Headline::new("LLM Providers"))
-                    .child(
-                        Label::new("Add at least one provider to use AI-powered features.")
-                            .color(Color::Muted),
-                    ),
-            )
-            .children(
-                providers
-                    .into_iter()
-                    .map(|provider| self.render_provider_configuration_block(&provider, cx)),
-            )
-    }
-
-    fn render_command_permission(&mut self, cx: &mut Context<Self>) -> impl IntoElement {
-        let always_allow_tool_actions = AssistantSettings::get_global(cx).always_allow_tool_actions;
-
-        const HEADING: &str = "Allow running editing tools without asking for confirmation";
-
-        v_flex()
-            .p(DynamicSpacing::Base16.rems(cx))
-            .pr(DynamicSpacing::Base20.rems(cx))
-            .gap_2()
-            .flex_1()
-            .child(Headline::new("General Settings"))
-            .child(
-                h_flex()
-                    .gap_4()
-                    .justify_between()
-                    .flex_wrap()
-                    .child(
-                        v_flex()
-                            .gap_0p5()
-                            .max_w_5_6()
-                            .child(Label::new(HEADING))
-                            .child(Label::new("When enabled, the agent can perform potentially destructive actions without asking for your confirmation.").color(Color::Muted)),
-                    )
-                    .child(
-                        Switch::new(
-                            "always-allow-tool-actions-switch",
-                            always_allow_tool_actions.into(),
-                        )
-                        .color(SwitchColor::Accent)
-                        .on_click({
-                            let fs = self.fs.clone();
-                            move |state, _window, cx| {
-                                let allow = state == &ToggleState::Selected;
-                                update_settings_file::<AssistantSettings>(
-                                    fs.clone(),
-                                    cx,
-                                    move |settings, _| {
-                                        settings.set_always_allow_tool_actions(allow);
-                                    },
-                                );
-                            }
-                        }),
-                    ),
-            )
-    }
-
-    fn render_context_servers_section(&mut self, cx: &mut Context<Self>) -> impl IntoElement {
-        let context_servers = self.context_server_manager.read(cx).all_servers().clone();
-        let tools_by_source = self.tools.read(cx).tools_by_source(cx);
-        let empty = Vec::new();
-
-        const SUBHEADING: &str = "Connect to context servers via the Model Context Protocol either via Zed extensions or directly.";
-
-        v_flex()
-            .p(DynamicSpacing::Base16.rems(cx))
-            .pr(DynamicSpacing::Base20.rems(cx))
-            .gap_2()
-            .flex_1()
-            .child(
-                v_flex()
-                    .gap_0p5()
-                    .child(Headline::new("Model Context Protocol (MCP) Servers"))
-                    .child(Label::new(SUBHEADING).color(Color::Muted)),
-            )
-            .children(context_servers.into_iter().map(|context_server| {
-                let is_running = context_server.client().is_some();
-                let are_tools_expanded = self
-                    .expanded_context_server_tools
-                    .get(&context_server.id())
-                    .copied()
-                    .unwrap_or_default();
-
-                let tools = tools_by_source
-                    .get(&ToolSource::ContextServer {
-                        id: context_server.id().into(),
-                    })
-                    .unwrap_or_else(|| &empty);
-                let tool_count = tools.len();
-
-                v_flex()
-                    .id(SharedString::from(context_server.id()))
-                    .border_1()
-                    .rounded_md()
-                    .border_color(cx.theme().colors().border)
-                    .bg(cx.theme().colors().background.opacity(0.25))
-                    .child(
-                        h_flex()
-                            .p_1()
-                            .justify_between()
-                            .when(are_tools_expanded && tool_count > 1, |element| {
-                                element
-                                    .border_b_1()
-                                    .border_color(cx.theme().colors().border)
-                            })
-                            .child(
-                                h_flex()
-                                    .gap_2()
-                                    .child(
-                                        Disclosure::new("tool-list-disclosure", are_tools_expanded)
-                                            .disabled(tool_count == 0)
-                                            .on_click(cx.listener({
-                                                let context_server_id = context_server.id();
-                                                move |this, _event, _window, _cx| {
-                                                    let is_open = this
-                                                        .expanded_context_server_tools
-                                                        .entry(context_server_id.clone())
-                                                        .or_insert(false);
-
-                                                    *is_open = !*is_open;
-                                                }
-                                            })),
-                                    )
-                                    .child(Indicator::dot().color(if is_running {
-                                        Color::Success
-                                    } else {
-                                        Color::Error
-                                    }))
-                                    .child(Label::new(context_server.id()))
-                                    .child(
-                                        Label::new(format!("{tool_count} tools"))
-                                            .color(Color::Muted)
-                                            .size(LabelSize::Small),
-                                    ),
-                            )
-                            .child(
-                                Switch::new("context-server-switch", is_running.into())
-                                    .color(SwitchColor::Accent)
-                                    .on_click({
-                                        let context_server_manager =
-                                            self.context_server_manager.clone();
-                                        let context_server = context_server.clone();
-                                        move |state, _window, cx| match state {
-                                            ToggleState::Unselected
-                                            | ToggleState::Indeterminate => {
-                                                context_server_manager.update(cx, |this, cx| {
-                                                    this.stop_server(context_server.clone(), cx)
-                                                        .log_err();
-                                                });
-                                            }
-                                            ToggleState::Selected => {
-                                                cx.spawn({
-                                                    let context_server_manager =
-                                                        context_server_manager.clone();
-                                                    let context_server = context_server.clone();
-                                                    async move |cx| {
-                                                        if let Some(start_server_task) =
-                                                            context_server_manager
-                                                                .update(cx, |this, cx| {
-                                                                    this.start_server(
-                                                                        context_server,
-                                                                        cx,
-                                                                    )
-                                                                })
-                                                                .log_err()
-                                                        {
-                                                            start_server_task.await.log_err();
-                                                        }
-                                                    }
-                                                })
-                                                .detach();
-                                            }
-                                        }
-                                    }),
-                            ),
-                    )
-                    .map(|parent| {
-                        if !are_tools_expanded {
-                            return parent;
-                        }
-
-                        parent.child(v_flex().py_1p5().px_1().gap_1().children(
-                            tools.into_iter().enumerate().map(|(ix, tool)| {
-                                h_flex()
-                                    .id(("tool-item", ix))
-                                    .px_1()
-                                    .gap_2()
-                                    .justify_between()
-                                    .hover(|style| style.bg(cx.theme().colors().element_hover))
-                                    .rounded_sm()
-                                    .child(
-                                        Label::new(tool.name())
-                                            .buffer_font(cx)
-                                            .size(LabelSize::Small),
-                                    )
-                                    .child(
-                                        Icon::new(IconName::Info)
-                                            .size(IconSize::Small)
-                                            .color(Color::Ignored),
-                                    )
-                                    .tooltip(Tooltip::text(tool.description()))
-                            }),
-                        ))
-                    })
-            }))
-            .child(
-                h_flex()
-                    .justify_between()
-                    .gap_2()
-                    .child(
-                        h_flex().w_full().child(
-                            Button::new("add-context-server", "Add Custom Server")
-                                .style(ButtonStyle::Filled)
-                                .layer(ElevationIndex::ModalSurface)
-                                .full_width()
-                                .icon(IconName::Plus)
-                                .icon_size(IconSize::Small)
-                                .icon_position(IconPosition::Start)
-                                .on_click(|_event, window, cx| {
-                                    window.dispatch_action(AddContextServer.boxed_clone(), cx)
-                                }),
-                        ),
-                    )
-                    .child(
-                        h_flex().w_full().child(
-                            Button::new(
-                                "install-context-server-extensions",
-                                "Install MCP Extensions",
-                            )
-                            .style(ButtonStyle::Filled)
-                            .layer(ElevationIndex::ModalSurface)
-                            .full_width()
-                            .icon(IconName::DatabaseZap)
-                            .icon_size(IconSize::Small)
-                            .icon_position(IconPosition::Start)
-                            .on_click(|_event, window, cx| {
-                                window.dispatch_action(
-                                    zed_actions::Extensions {
-                                        category_filter: Some(
-                                            ExtensionCategoryFilter::ContextServers,
-                                        ),
-                                    }
-                                    .boxed_clone(),
-                                    cx,
-                                )
-                            }),
-                        ),
-                    ),
-            )
-    }
-}
-
-impl Render for AssistantConfiguration {
-    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
-        v_flex()
-            .id("assistant-configuration")
-            .key_context("AgentConfiguration")
-            .track_focus(&self.focus_handle(cx))
-            .relative()
-            .size_full()
-            .pb_8()
-            .bg(cx.theme().colors().panel_background)
-            .child(
-                v_flex()
-                    .id("assistant-configuration-content")
-                    .track_scroll(&self.scroll_handle)
-                    .size_full()
-                    .overflow_y_scroll()
-                    .child(self.render_command_permission(cx))
-                    .child(Divider::horizontal().color(DividerColor::Border))
-                    .child(self.render_context_servers_section(cx))
-                    .child(Divider::horizontal().color(DividerColor::Border))
-                    .child(self.render_provider_configuration_section(cx)),
-            )
-            .child(
-                div()
-                    .id("assistant-configuration-scrollbar")
-                    .occlude()
-                    .absolute()
-                    .right(px(3.))
-                    .top_0()
-                    .bottom_0()
-                    .pb_6()
-                    .w(px(12.))
-                    .cursor_default()
-                    .on_mouse_move(cx.listener(|_, _, _window, cx| {
-                        cx.notify();
-                        cx.stop_propagation()
-                    }))
-                    .on_hover(|_, _window, cx| {
-                        cx.stop_propagation();
-                    })
-                    .on_any_mouse_down(|_, _window, cx| {
-                        cx.stop_propagation();
-                    })
-                    .on_scroll_wheel(cx.listener(|_, _, _window, cx| {
-                        cx.notify();
-                    }))
-                    .children(Scrollbar::vertical(self.scrollbar_state.clone())),
-            )
-    }
-}
--- a/crates/agent/src/assistant_configuration/manage_profiles_modal/profile_modal_header.rs
+++ b/crates/agent/src/assistant_configuration/manage_profiles_modal/profile_modal_header.rs
@@ -1,38 +0,0 @@
-use ui::prelude::*;
-
-#[derive(IntoElement)]
-pub struct ProfileModalHeader {
-    label: SharedString,
-    icon: IconName,
-}
-
-impl ProfileModalHeader {
-    pub fn new(label: impl Into<SharedString>, icon: IconName) -> Self {
-        Self {
-            label: label.into(),
-            icon,
-        }
-    }
-}
-
-impl RenderOnce for ProfileModalHeader {
-    fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
-        h_flex()
-            .w_full()
-            .px(DynamicSpacing::Base12.rems(cx))
-            .pt(DynamicSpacing::Base08.rems(cx))
-            .pb(DynamicSpacing::Base04.rems(cx))
-            .rounded_t_sm()
-            .gap_1p5()
-            .child(Icon::new(self.icon).size(IconSize::XSmall))
-            .child(
-                h_flex().gap_1().overflow_x_hidden().child(
-                    div()
-                        .max_w_96()
-                        .overflow_x_hidden()
-                        .text_ellipsis()
-                        .child(Headline::new(self.label).size(HeadlineSize::XSmall)),
-                ),
-            )
-    }
-}
--- a/crates/agent/src/assistant_configuration/tool_picker.rs
+++ b/crates/agent/src/assistant_configuration/tool_picker.rs
@@ -1,303 +0,0 @@
-use std::sync::Arc;
-
-use assistant_settings::{
-    AgentProfile, AgentProfileContent, AgentProfileId, AssistantSettings, AssistantSettingsContent,
-    ContextServerPresetContent,
-};
-use assistant_tool::{ToolSource, ToolWorkingSet};
-use fs::Fs;
-use fuzzy::{StringMatch, StringMatchCandidate, match_strings};
-use gpui::{App, Context, DismissEvent, Entity, EventEmitter, Focusable, Task, WeakEntity, Window};
-use picker::{Picker, PickerDelegate};
-use settings::{Settings as _, update_settings_file};
-use ui::{HighlightedLabel, ListItem, ListItemSpacing, prelude::*};
-use util::ResultExt as _;
-
-use crate::ThreadStore;
-
-pub struct ToolPicker {
-    picker: Entity<Picker<ToolPickerDelegate>>,
-}
-
-impl ToolPicker {
-    pub fn new(delegate: ToolPickerDelegate, window: &mut Window, cx: &mut Context<Self>) -> Self {
-        let picker = cx.new(|cx| Picker::uniform_list(delegate, window, cx).modal(false));
-        Self { picker }
-    }
-}
-
-impl EventEmitter<DismissEvent> for ToolPicker {}
-
-impl Focusable for ToolPicker {
-    fn focus_handle(&self, cx: &App) -> gpui::FocusHandle {
-        self.picker.focus_handle(cx)
-    }
-}
-
-impl Render for ToolPicker {
-    fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
-        v_flex().w(rems(34.)).child(self.picker.clone())
-    }
-}
-
-#[derive(Debug, Clone)]
-pub struct ToolEntry {
-    pub name: Arc<str>,
-    pub source: ToolSource,
-}
-
-pub struct ToolPickerDelegate {
-    tool_picker: WeakEntity<ToolPicker>,
-    thread_store: WeakEntity<ThreadStore>,
-    fs: Arc<dyn Fs>,
-    tools: Vec<ToolEntry>,
-    profile_id: AgentProfileId,
-    profile: AgentProfile,
-    matches: Vec<StringMatch>,
-    selected_index: usize,
-}
-
-impl ToolPickerDelegate {
-    pub fn new(
-        fs: Arc<dyn Fs>,
-        tool_set: Entity<ToolWorkingSet>,
-        thread_store: WeakEntity<ThreadStore>,
-        profile_id: AgentProfileId,
-        profile: AgentProfile,
-        cx: &mut Context<ToolPicker>,
-    ) -> Self {
-        let mut tool_entries = Vec::new();
-
-        for (source, tools) in tool_set.read(cx).tools_by_source(cx) {
-            tool_entries.extend(tools.into_iter().map(|tool| ToolEntry {
-                name: tool.name().into(),
-                source: source.clone(),
-            }));
-        }
-
-        Self {
-            tool_picker: cx.entity().downgrade(),
-            thread_store,
-            fs,
-            tools: tool_entries,
-            profile_id,
-            profile,
-            matches: Vec::new(),
-            selected_index: 0,
-        }
-    }
-}
-
-impl PickerDelegate for ToolPickerDelegate {
-    type ListItem = ListItem;
-
-    fn match_count(&self) -> usize {
-        self.matches.len()
-    }
-
-    fn selected_index(&self) -> usize {
-        self.selected_index
-    }
-
-    fn set_selected_index(
-        &mut self,
-        ix: usize,
-        _window: &mut Window,
-        _cx: &mut Context<Picker<Self>>,
-    ) {
-        self.selected_index = ix;
-    }
-
-    fn placeholder_text(&self, _window: &mut Window, _cx: &mut App) -> Arc<str> {
-        "Search tools…".into()
-    }
-
-    fn update_matches(
-        &mut self,
-        query: String,
-        window: &mut Window,
-        cx: &mut Context<Picker<Self>>,
-    ) -> Task<()> {
-        let background = cx.background_executor().clone();
-        let candidates = self
-            .tools
-            .iter()
-            .enumerate()
-            .map(|(id, profile)| StringMatchCandidate::new(id, profile.name.as_ref()))
-            .collect::<Vec<_>>();
-
-        cx.spawn_in(window, async move |this, cx| {
-            let matches = if query.is_empty() {
-                candidates
-                    .into_iter()
-                    .enumerate()
-                    .map(|(index, candidate)| StringMatch {
-                        candidate_id: index,
-                        string: candidate.string,
-                        positions: Vec::new(),
-                        score: 0.,
-                    })
-                    .collect()
-            } else {
-                match_strings(
-                    &candidates,
-                    &query,
-                    false,
-                    100,
-                    &Default::default(),
-                    background,
-                )
-                .await
-            };
-
-            this.update(cx, |this, _cx| {
-                this.delegate.matches = matches;
-                this.delegate.selected_index = this
-                    .delegate
-                    .selected_index
-                    .min(this.delegate.matches.len().saturating_sub(1));
-            })
-            .log_err();
-        })
-    }
-
-    fn confirm(&mut self, _secondary: bool, window: &mut Window, cx: &mut Context<Picker<Self>>) {
-        if self.matches.is_empty() {
-            self.dismissed(window, cx);
-            return;
-        }
-
-        let candidate_id = self.matches[self.selected_index].candidate_id;
-        let tool = &self.tools[candidate_id];
-
-        let is_enabled = match &tool.source {
-            ToolSource::Native => {
-                let is_enabled = self.profile.tools.entry(tool.name.clone()).or_default();
-                *is_enabled = !*is_enabled;
-                *is_enabled
-            }
-            ToolSource::ContextServer { id } => {
-                let preset = self
-                    .profile
-                    .context_servers
-                    .entry(id.clone().into())
-                    .or_default();
-                let is_enabled = preset.tools.entry(tool.name.clone()).or_default();
-                *is_enabled = !*is_enabled;
-                *is_enabled
-            }
-        };
-
-        let active_profile_id = &AssistantSettings::get_global(cx).default_profile;
-        if active_profile_id == &self.profile_id {
-            self.thread_store
-                .update(cx, |this, cx| {
-                    this.load_profile(self.profile.clone(), cx);
-                })
-                .log_err();
-        }
-
-        update_settings_file::<AssistantSettings>(self.fs.clone(), cx, {
-            let profile_id = self.profile_id.clone();
-            let default_profile = self.profile.clone();
-            let tool = tool.clone();
-            move |settings: &mut AssistantSettingsContent, _cx| {
-                settings
-                    .v2_setting(|v2_settings| {
-                        let profiles = v2_settings.profiles.get_or_insert_default();
-                        let profile =
-                            profiles
-                                .entry(profile_id)
-                                .or_insert_with(|| AgentProfileContent {
-                                    name: default_profile.name.into(),
-                                    tools: default_profile.tools,
-                                    enable_all_context_servers: Some(
-                                        default_profile.enable_all_context_servers,
-                                    ),
-                                    context_servers: default_profile
-                                        .context_servers
-                                        .into_iter()
-                                        .map(|(server_id, preset)| {
-                                            (
-                                                server_id,
-                                                ContextServerPresetContent {
-                                                    tools: preset.tools,
-                                                },
-                                            )
-                                        })
-                                        .collect(),
-                                });
-
-                        match tool.source {
-                            ToolSource::Native => {
-                                *profile.tools.entry(tool.name).or_default() = is_enabled;
-                            }
-                            ToolSource::ContextServer { id } => {
-                                let preset = profile
-                                    .context_servers
-                                    .entry(id.clone().into())
-                                    .or_default();
-                                *preset.tools.entry(tool.name.clone()).or_default() = is_enabled;
-                            }
-                        }
-
-                        Ok(())
-                    })
-                    .ok();
-            }
-        });
-    }
-
-    fn dismissed(&mut self, _window: &mut Window, cx: &mut Context<Picker<Self>>) {
-        self.tool_picker
-            .update(cx, |_this, cx| cx.emit(DismissEvent))
-            .log_err();
-    }
-
-    fn render_match(
-        &self,
-        ix: usize,
-        selected: bool,
-        _window: &mut Window,
-        _cx: &mut Context<Picker<Self>>,
-    ) -> Option<Self::ListItem> {
-        let tool_match = &self.matches[ix];
-        let tool = &self.tools[tool_match.candidate_id];
-
-        let is_enabled = match &tool.source {
-            ToolSource::Native => self.profile.tools.get(&tool.name).copied().unwrap_or(false),
-            ToolSource::ContextServer { id } => self
-                .profile
-                .context_servers
-                .get(id.as_ref())
-                .and_then(|preset| preset.tools.get(&tool.name))
-                .copied()
-                .unwrap_or(self.profile.enable_all_context_servers),
-        };
-
-        Some(
-            ListItem::new(ix)
-                .inset(true)
-                .spacing(ListItemSpacing::Sparse)
-                .toggle_state(selected)
-                .child(
-                    h_flex()
-                        .gap_2()
-                        .child(HighlightedLabel::new(
-                            tool_match.string.clone(),
-                            tool_match.positions.clone(),
-                        ))
-                        .map(|parent| match &tool.source {
-                            ToolSource::Native => parent,
-                            ToolSource::ContextServer { id } => parent
-                                .child(Label::new(id).size(LabelSize::XSmall).color(Color::Muted)),
-                        }),
-                )
-                .end_slot::<Icon>(is_enabled.then(|| {
-                    Icon::new(IconName::Check)
-                        .size(IconSize::Small)
-                        .color(Color::Success)
-                })),
-        )
-    }
-}
--- a/crates/agent/src/batch_assist.rs
+++ b/crates/agent/src/batch_assist.rs
@@ -1,64 +0,0 @@
-use editor::Editor;
-use gpui::{Entity, EventEmitter};
-use ui::{Render, Styled, div, px};
-use workspace::{ToolbarItemEvent, ToolbarItemLocation};
-
-use crate::{buffer_codegen::BufferCodegen, inline_prompt_editor::PromptEditor};
-
-pub struct BatchAssistToolbarItem {
-    visible: bool,
-    assist: Option<Entity<BatchCodegen>>,
-    active_editor: Option<Entity<Editor>>,
-    // prompt_editor: Entity<PromptEditor>,
-}
-
-impl BatchAssistToolbarItem {
-    pub fn new() -> Self {
-        Self {
-            visible: false,
-            assist: None,
-            active_editor: None,
-        }
-    }
-
-    pub fn deploy(&mut self, cx: &mut ui::Context<Self>) {
-        self.visible = true;
-    }
-}
-
-impl EventEmitter<ToolbarItemEvent> for BatchAssistToolbarItem {}
-
-impl workspace::ToolbarItemView for BatchAssistToolbarItem {
-    fn set_active_pane_item(
-        &mut self,
-        active_pane_item: Option<&dyn workspace::ItemHandle>,
-        _window: &mut ui::Window,
-        cx: &mut ui::Context<Self>,
-    ) -> workspace::ToolbarItemLocation {
-        if let Some(editor) = active_pane_item.and_then(|item| item.act_as::<Editor>(cx)) {
-            self.active_editor = Some(editor);
-            ToolbarItemLocation::Secondary
-        } else {
-            ToolbarItemLocation::Hidden
-        }
-    }
-}
-
-impl Render for BatchAssistToolbarItem {
-    fn render(
-        &mut self,
-        window: &mut ui::Window,
-        cx: &mut ui::Context<Self>,
-    ) -> impl ui::IntoElement {
-        dbg!(&self.active_editor);
-        if self.visible {
-            div().bg(gpui::red()).w(px(100.)).h(px(100.))
-        } else {
-            div()
-        }
-    }
-}
-
-pub struct BatchCodegen {
-    codegens: Vec<Entity<BufferCodegen>>,
-}
--- a/crates/agent/src/buffer_codegen.rs
+++ b/crates/agent/src/buffer_codegen.rs
@@ -2,6 +2,7 @@ use crate::context::ContextLoadResult;
 use crate::inline_prompt_editor::CodegenStatus;
 use crate::{context::load_context, context_store::ContextStore};
 use anyhow::Result;
+use assistant_settings::AssistantSettings;
 use client::telemetry::Telemetry;
 use collections::HashSet;
 use editor::{Anchor, AnchorRangeExt, MultiBuffer, MultiBufferSnapshot, ToOffset as _, ToPoint};
@@ -383,7 +384,7 @@ impl CodegenAlternative {
            if user_prompt.trim().to_lowercase() == "delete" {
                async { Ok(LanguageModelTextStream::default()) }.boxed_local()
            } else {
-                let request = self.build_request(user_prompt, cx)?;
+                let request = self.build_request(&model, user_prompt, cx)?;
                cx.spawn(async move |_, cx| model.stream_completion_text(request.await, &cx).await)
                    .boxed_local()
            };
@@ -393,6 +394,7 @@ impl CodegenAlternative {

    fn build_request(
        &self,
+        model: &Arc<dyn LanguageModel>,
        user_prompt: String,
        cx: &mut App,
    ) -> Result<Task<LanguageModelRequest>> {
@@ -441,6 +443,8 @@ impl CodegenAlternative {
            }
        });

+        let temperature = AssistantSettings::temperature_for_model(&model, cx);
+
        Ok(cx.spawn(async move |_cx| {
            let mut request_message = LanguageModelRequestMessage {
                role: Role::User,
@@ -462,8 +466,9 @@ impl CodegenAlternative {
                prompt_id: None,
                mode: None,
                tools: Vec::new(),
+                tool_choice: None,
                stop: Vec::new(),
-                temperature: None,
+                temperature,
                messages: vec![request_message],
            }
        }))
@@ -772,7 +777,7 @@ impl CodegenAlternative {
        cx: &mut Context<CodegenAlternative>,
    ) {
        let transaction = self.buffer.update(cx, |buffer, cx| {
-            // Avoid grouping assistant edits with user edits.
+            // Avoid grouping agent edits with user edits.
            buffer.finalize_last_transaction(cx);
            buffer.start_transaction(cx);
            buffer.edit(edits, None, cx);
@@ -781,7 +786,7 @@ impl CodegenAlternative {

        if let Some(transaction) = transaction {
            if let Some(first_transaction) = self.transformation_transaction_id {
-                // Group all assistant edits into the first transaction.
+                // Group all agent edits into the first transaction.
                self.buffer.update(cx, |buffer, cx| {
                    buffer.merge_transactions(transaction, first_transaction, cx)
                });
@@ -1095,9 +1100,7 @@ mod tests {

    #[gpui::test(iterations = 10)]
    async fn test_transform_autoindent(cx: &mut TestAppContext, mut rng: StdRng) {
-        cx.set_global(cx.update(SettingsStore::test));
-        cx.update(language_model::LanguageModelRegistry::test);
-        cx.update(language_settings::init);
+        init_test(cx);

        let text = indoc! {"
            fn main() {
@@ -1167,8 +1170,7 @@ mod tests {
        cx: &mut TestAppContext,
        mut rng: StdRng,
    ) {
-        cx.set_global(cx.update(SettingsStore::test));
-        cx.update(language_settings::init);
+        init_test(cx);

        let text = indoc! {"
            fn main() {
@@ -1237,9 +1239,7 @@ mod tests {
        cx: &mut TestAppContext,
        mut rng: StdRng,
    ) {
-        cx.update(LanguageModelRegistry::test);
-        cx.set_global(cx.update(SettingsStore::test));
-        cx.update(language_settings::init);
+        init_test(cx);

        let text = concat!(
            "fn main() {\n",
@@ -1305,9 +1305,7 @@ mod tests {

    #[gpui::test(iterations = 10)]
    async fn test_autoindent_respects_tabs_in_selection(cx: &mut TestAppContext) {
-        cx.update(LanguageModelRegistry::test);
-        cx.set_global(cx.update(SettingsStore::test));
-        cx.update(language_settings::init);
+        init_test(cx);

        let text = indoc! {"
            func main() {
@@ -1367,9 +1365,7 @@ mod tests {

    #[gpui::test]
    async fn test_inactive_codegen_alternative(cx: &mut TestAppContext) {
-        cx.update(LanguageModelRegistry::test);
-        cx.set_global(cx.update(SettingsStore::test));
-        cx.update(language_settings::init);
+        init_test(cx);

        let text = indoc! {"
            fn main() {
@@ -1473,6 +1469,13 @@ mod tests {
        }
    }

+    fn init_test(cx: &mut TestAppContext) {
+        cx.update(LanguageModelRegistry::test);
+        cx.set_global(cx.update(SettingsStore::test));
+        cx.update(Project::init_settings);
+        cx.update(language_settings::init);
+    }
+
    fn simulate_response_stream(
        codegen: Entity<CodegenAlternative>,
        cx: &mut TestAppContext,
--- a/crates/agent/src/context.rs
+++ b/crates/agent/src/context.rs
--- a/crates/agent/src/context_picker.rs
+++ b/crates/agent/src/context_picker.rs
@@ -6,12 +6,12 @@ mod symbol_context_picker;
 mod thread_context_picker;

 use std::ops::Range;
-use std::path::PathBuf;
+use std::path::{Path, PathBuf};
 use std::sync::Arc;

 use anyhow::{Result, anyhow};
 pub use completion_provider::ContextPickerCompletionProvider;
-use editor::display_map::{Crease, FoldId};
+use editor::display_map::{Crease, CreaseId, CreaseMetadata, FoldId};
 use editor::{Anchor, AnchorRangeExt as _, Editor, ExcerptId, FoldPlaceholder, ToOffset};
 use fetch_context_picker::FetchContextPicker;
 use file_context_picker::FileContextPicker;
@@ -22,22 +22,25 @@ use gpui::{
 };
 use language::Buffer;
 use multi_buffer::MultiBufferRow;
+use paths::contexts_dir;
 use project::{Entry, ProjectPath};
 use prompt_store::{PromptStore, UserPromptId};
 use rules_context_picker::{RulesContextEntry, RulesContextPicker};
 use symbol_context_picker::SymbolContextPicker;
-use thread_context_picker::{ThreadContextEntry, ThreadContextPicker, render_thread_context_entry};
+use thread_context_picker::{
+    ThreadContextEntry, ThreadContextPicker, render_thread_context_entry, unordered_thread_entries,
+};
 use ui::{
    ButtonLike, ContextMenu, ContextMenuEntry, ContextMenuItem, Disclosure, TintColor, prelude::*,
 };
 use uuid::Uuid;
 use workspace::{Workspace, notifications::NotifyResultExt};

-use crate::AssistantPanel;
+use crate::AgentPanel;
 use crate::context::RULES_ICON;
 use crate::context_store::ContextStore;
 use crate::thread::ThreadId;
-use crate::thread_store::ThreadStore;
+use crate::thread_store::{TextThreadStore, ThreadStore};

 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
 enum ContextPickerEntry {
@@ -111,7 +114,7 @@ impl TryFrom<&str> for ContextPickerMode {
            "symbol" => Ok(Self::Symbol),
            "fetch" => Ok(Self::Fetch),
            "thread" => Ok(Self::Thread),
-            "rules" => Ok(Self::Rules),
+            "rule" => Ok(Self::Rules),
            _ => Err(format!("Invalid context picker mode: {}", value)),
        }
    }
@@ -124,7 +127,7 @@ impl ContextPickerMode {
            Self::Symbol => "symbol",
            Self::Fetch => "fetch",
            Self::Thread => "thread",
-            Self::Rules => "rules",
+            Self::Rules => "rule",
        }
    }

@@ -164,6 +167,7 @@ pub(super) struct ContextPicker {
    workspace: WeakEntity<Workspace>,
    context_store: WeakEntity<ContextStore>,
    thread_store: Option<WeakEntity<ThreadStore>>,
+    text_thread_store: Option<WeakEntity<TextThreadStore>>,
    prompt_store: Option<Entity<PromptStore>>,
    _subscriptions: Vec<Subscription>,
 }
@@ -172,6 +176,7 @@ impl ContextPicker {
    pub fn new(
        workspace: WeakEntity<Workspace>,
        thread_store: Option<WeakEntity<ThreadStore>>,
+        text_thread_store: Option<WeakEntity<TextThreadStore>>,
        context_store: WeakEntity<ContextStore>,
        window: &mut Window,
        cx: &mut Context<Self>,
@@ -208,6 +213,7 @@ impl ContextPicker {
            workspace,
            context_store,
            thread_store,
+            text_thread_store,
            prompt_store,
            _subscriptions: subscriptions,
        }
@@ -267,7 +273,7 @@ impl ContextPicker {
                        context_picker.update(cx, |this, cx| this.select_entry(entry, window, cx))
                    })
            }))
-            .keep_open_on_confirm()
+            .keep_open_on_confirm(true)
        });

        cx.subscribe(&menu, move |_, _, _: &DismissEvent, cx| {
@@ -340,10 +346,15 @@ impl ContextPicker {
                    }));
                }
                ContextPickerMode::Thread => {
-                    if let Some(thread_store) = self.thread_store.as_ref() {
+                    if let Some((thread_store, text_thread_store)) = self
+                        .thread_store
+                        .as_ref()
+                        .zip(self.text_thread_store.as_ref())
+                    {
                        self.mode = ContextPickerState::Thread(cx.new(|cx| {
                            ThreadContextPicker::new(
                                thread_store.clone(),
+                                text_thread_store.clone(),
                                context_picker.clone(),
                                self.context_store.clone(),
                                window,
@@ -414,9 +425,9 @@ impl ContextPicker {
                        render_thread_context_entry(&view_thread, context_store.clone(), cx)
                            .into_any()
                    },
-                    move |_window, cx| {
+                    move |window, cx| {
                        context_picker.update(cx, |this, cx| {
-                            this.add_recent_thread(thread.clone(), cx)
+                            this.add_recent_thread(thread.clone(), window, cx)
                                .detach_and_log_err(cx);
                        })
                    },
@@ -447,30 +458,54 @@ impl ContextPicker {

    fn add_recent_thread(
        &self,
-        thread: ThreadContextEntry,
+        entry: ThreadContextEntry,
+        window: &mut Window,
        cx: &mut Context<Self>,
    ) -> Task<Result<()>> {
        let Some(context_store) = self.context_store.upgrade() else {
            return Task::ready(Err(anyhow!("context store not available")));
        };

-        let Some(thread_store) = self
-            .thread_store
-            .as_ref()
-            .and_then(|thread_store| thread_store.upgrade())
-        else {
-            return Task::ready(Err(anyhow!("thread store not available")));
-        };
+        match entry {
+            ThreadContextEntry::Thread { id, .. } => {
+                let Some(thread_store) = self
+                    .thread_store
+                    .as_ref()
+                    .and_then(|thread_store| thread_store.upgrade())
+                else {
+                    return Task::ready(Err(anyhow!("thread store not available")));
+                };

-        let open_thread_task = thread_store.update(cx, |this, cx| this.open_thread(&thread.id, cx));
-        cx.spawn(async move |this, cx| {
-            let thread = open_thread_task.await?;
-            context_store.update(cx, |context_store, cx| {
-                context_store.add_thread(thread, true, cx);
-            })?;
+                let open_thread_task =
+                    thread_store.update(cx, |this, cx| this.open_thread(&id, window, cx));
+                cx.spawn(async move |this, cx| {
+                    let thread = open_thread_task.await?;
+                    context_store.update(cx, |context_store, cx| {
+                        context_store.add_thread(thread, true, cx);
+                    })?;
+                    this.update(cx, |_this, cx| cx.notify())
+                })
+            }
+            ThreadContextEntry::Context { path, .. } => {
+                let Some(text_thread_store) = self
+                    .text_thread_store
+                    .as_ref()
+                    .and_then(|thread_store| thread_store.upgrade())
+                else {
+                    return Task::ready(Err(anyhow!("text thread store not available")));
+                };

-            this.update(cx, |_this, cx| cx.notify())
-        })
+                let task = text_thread_store
+                    .update(cx, |this, cx| this.open_local_context(path.clone(), cx));
+                cx.spawn(async move |this, cx| {
+                    let thread = task.await?;
+                    context_store.update(cx, |context_store, cx| {
+                        context_store.add_text_thread(thread, true, cx);
+                    })?;
+                    this.update(cx, |_this, cx| cx.notify())
+                })
+            }
+        }
    }

    fn recent_entries(&self, cx: &mut App) -> Vec<RecentEntry> {
@@ -482,7 +517,14 @@ impl ContextPicker {
            return vec![];
        };

-        recent_context_picker_entries(context_store, self.thread_store.clone(), workspace, cx)
+        recent_context_picker_entries(
+            context_store,
+            self.thread_store.clone(),
+            self.text_thread_store.clone(),
+            workspace,
+            None,
+            cx,
+        )
    }

    fn notify_current_picker(&mut self, cx: &mut Context<Self>) {
@@ -577,12 +619,14 @@ fn available_context_picker_entries(
 fn recent_context_picker_entries(
    context_store: Entity<ContextStore>,
    thread_store: Option<WeakEntity<ThreadStore>>,
+    text_thread_store: Option<WeakEntity<TextThreadStore>>,
    workspace: Entity<Workspace>,
+    exclude_path: Option<ProjectPath>,
    cx: &App,
 ) -> Vec<RecentEntry> {
    let mut recent = Vec::with_capacity(6);
-
-    let current_files = context_store.read(cx).file_paths(cx);
+    let mut current_files = context_store.read(cx).file_paths(cx);
+    current_files.extend(exclude_path);
    let workspace = workspace.read(cx);
    let project = workspace.project().read(cx);

@@ -604,25 +648,35 @@ fn recent_context_picker_entries(
    let current_threads = context_store.read(cx).thread_ids();

    let active_thread_id = workspace
-        .panel::<AssistantPanel>(cx)
-        .map(|panel| panel.read(cx).active_thread(cx).read(cx).id());
+        .panel::<AgentPanel>(cx)
+        .and_then(|panel| Some(panel.read(cx).active_thread()?.read(cx).id()));
+
+    if let Some((thread_store, text_thread_store)) = thread_store
+        .and_then(|store| store.upgrade())
+        .zip(text_thread_store.and_then(|store| store.upgrade()))
+    {
+        let mut threads = unordered_thread_entries(thread_store, text_thread_store, cx)
+            .filter(|(_, thread)| match thread {
+                ThreadContextEntry::Thread { id, .. } => {
+                    Some(id) != active_thread_id && !current_threads.contains(id)
+                }
+                ThreadContextEntry::Context { .. } => true,
+            })
+            .collect::<Vec<_>>();
+
+        const RECENT_COUNT: usize = 2;
+        if threads.len() > RECENT_COUNT {
+            threads.select_nth_unstable_by_key(RECENT_COUNT - 1, |(updated_at, _)| {
+                std::cmp::Reverse(*updated_at)
+            });
+            threads.truncate(RECENT_COUNT);
+        }
+        threads.sort_unstable_by_key(|(updated_at, _)| std::cmp::Reverse(*updated_at));

-    if let Some(thread_store) = thread_store.and_then(|thread_store| thread_store.upgrade()) {
        recent.extend(
-            thread_store
-                .read(cx)
-                .reverse_chronological_threads()
+            threads
                .into_iter()
-                .filter(|thread| {
-                    Some(&thread.id) != active_thread_id && !current_threads.contains(&thread.id)
-                })
-                .take(2)
-                .map(|thread| {
-                    RecentEntry::Thread(ThreadContextEntry {
-                        id: thread.id,
-                        summary: thread.summary,
-                    })
-                }),
+                .map(|(_, thread)| RecentEntry::Thread(thread)),
        );
    }

@@ -675,21 +729,20 @@ fn selection_ranges(
    })
 }

-pub(crate) fn insert_fold_for_mention(
+pub(crate) fn insert_crease_for_mention(
    excerpt_id: ExcerptId,
    crease_start: text::Anchor,
    content_len: usize,
    crease_label: SharedString,
    crease_icon_path: SharedString,
    editor_entity: Entity<Editor>,
+    window: &mut Window,
    cx: &mut App,
-) {
+) -> Option<CreaseId> {
    editor_entity.update(cx, |editor, cx| {
        let snapshot = editor.buffer().read(cx).snapshot(cx);

-        let Some(start) = snapshot.anchor_in_excerpt(excerpt_id, crease_start) else {
-            return;
-        };
+        let start = snapshot.anchor_in_excerpt(excerpt_id, crease_start)?;

        let start = start.bias_right(&snapshot);
        let end = snapshot.anchor_before(start.to_offset(&snapshot) + content_len);
@@ -701,10 +754,10 @@ pub(crate) fn insert_fold_for_mention(
            editor_entity.downgrade(),
        );

-        editor.display_map.update(cx, |display_map, cx| {
-            display_map.fold(vec![crease], cx);
-        });
-    });
+        let ids = editor.insert_creases(vec![crease.clone()], cx);
+        editor.fold_creases(vec![crease], false, window, cx);
+        Some(ids[0])
+    })
 }

 pub fn crease_for_mention(
@@ -714,20 +767,20 @@ pub fn crease_for_mention(
    editor_entity: WeakEntity<Editor>,
 ) -> Crease<Anchor> {
    let placeholder = FoldPlaceholder {
-        render: render_fold_icon_button(icon_path, label, editor_entity),
+        render: render_fold_icon_button(icon_path.clone(), label.clone(), editor_entity),
        merge_adjacent: false,
        ..Default::default()
    };

    let render_trailer = move |_row, _unfold, _window: &mut Window, _cx: &mut App| Empty.into_any();

-    let crease = Crease::inline(
+    Crease::inline(
        range,
        placeholder.clone(),
        fold_toggle("mention"),
        render_trailer,
-    );
-    crease
+    )
+    .with_metadata(CreaseMetadata { icon_path, label })
 }

 fn render_fold_icon_button(
@@ -821,7 +874,8 @@ pub enum MentionLink {
    Selection(ProjectPath, Range<usize>),
    Fetch(String),
    Thread(ThreadId),
-    Rules(UserPromptId),
+    TextThread(Arc<Path>),
+    Rule(UserPromptId),
 }

 impl MentionLink {
@@ -830,7 +884,9 @@ impl MentionLink {
    const SELECTION: &str = "@selection";
    const THREAD: &str = "@thread";
    const FETCH: &str = "@fetch";
-    const RULES: &str = "@rules";
+    const RULE: &str = "@rule";
+
+    const TEXT_THREAD_URL_PREFIX: &str = "text-thread://";

    const SEPARATOR: &str = ":";

@@ -840,7 +896,7 @@ impl MentionLink {
            || url.starts_with(Self::FETCH)
            || url.starts_with(Self::SELECTION)
            || url.starts_with(Self::THREAD)
-            || url.starts_with(Self::RULES)
+            || url.starts_with(Self::RULE)
    }

    pub fn for_file(file_name: &str, full_path: &str) -> String {
@@ -871,15 +927,30 @@ impl MentionLink {
    }

    pub fn for_thread(thread: &ThreadContextEntry) -> String {
-        format!("[@{}]({}:{})", thread.summary, Self::THREAD, thread.id)
+        match thread {
+            ThreadContextEntry::Thread { id, title } => {
+                format!("[@{}]({}:{})", title, Self::THREAD, id)
+            }
+            ThreadContextEntry::Context { path, title } => {
+                let filename = path.file_name().unwrap_or_default();
+                let escaped_filename = urlencoding::encode(&filename.to_string_lossy()).to_string();
+                format!(
+                    "[@{}]({}:{}{})",
+                    title,
+                    Self::THREAD,
+                    Self::TEXT_THREAD_URL_PREFIX,
+                    escaped_filename
+                )
+            }
+        }
    }

    pub fn for_fetch(url: &str) -> String {
        format!("[@{}]({}:{})", url, Self::FETCH, url)
    }

-    pub fn for_rules(rules: &RulesContextEntry) -> String {
-        format!("[@{}]({}:{})", rules.title, Self::RULES, rules.prompt_id.0)
+    pub fn for_rule(rule: &RulesContextEntry) -> String {
+        format!("[@{}]({}:{})", rule.title, Self::RULE, rule.prompt_id.0)
    }

    pub fn try_parse(link: &str, workspace: &Entity<Workspace>, cx: &App) -> Option<Self> {
@@ -933,13 +1004,20 @@ impl MentionLink {
                Some(MentionLink::Selection(project_path, line_range))
            }
            Self::THREAD => {
-                let thread_id = ThreadId::from(argument);
-                Some(MentionLink::Thread(thread_id))
+                if let Some(encoded_filename) = argument.strip_prefix(Self::TEXT_THREAD_URL_PREFIX)
+                {
+                    let filename = urlencoding::decode(encoded_filename).ok()?;
+                    let path = contexts_dir().join(filename.as_ref()).into();
+                    Some(MentionLink::TextThread(path))
+                } else {
+                    let thread_id = ThreadId::from(argument);
+                    Some(MentionLink::Thread(thread_id))
+                }
            }
            Self::FETCH => Some(MentionLink::Fetch(argument.to_string())),
-            Self::RULES => {
+            Self::RULE => {
                let prompt_id = UserPromptId(Uuid::try_parse(argument).ok()?);
-                Some(MentionLink::Rules(prompt_id))
+                Some(MentionLink::Rule(prompt_id))
            }
            _ => None,
        }
--- a/crates/agent/src/context_picker/completion_provider.rs
+++ b/crates/agent/src/context_picker/completion_provider.rs
@@ -19,11 +19,13 @@ use prompt_store::PromptStore;
 use rope::Point;
 use text::{Anchor, OffsetRangeExt, ToPoint};
 use ui::prelude::*;
+use util::ResultExt as _;
 use workspace::Workspace;

-use crate::context::RULES_ICON;
+use crate::Thread;
+use crate::context::{AgentContextHandle, AgentContextKey, ContextCreasesAddon, RULES_ICON};
 use crate::context_store::ContextStore;
-use crate::thread_store::ThreadStore;
+use crate::thread_store::{TextThreadStore, ThreadStore};

 use super::fetch_context_picker::fetch_url_content;
 use super::file_context_picker::{FileMatch, search_files};
@@ -70,6 +72,7 @@ fn search(
    recent_entries: Vec<RecentEntry>,
    prompt_store: Option<Entity<PromptStore>>,
    thread_store: Option<WeakEntity<ThreadStore>>,
+    text_thread_context_store: Option<WeakEntity<assistant_context_editor::ContextStore>>,
    workspace: Entity<Workspace>,
    cx: &mut App,
 ) -> Task<Vec<Match>> {
@@ -99,9 +102,18 @@ fn search(
        }

        Some(ContextPickerMode::Thread) => {
-            if let Some(thread_store) = thread_store.as_ref().and_then(|t| t.upgrade()) {
-                let search_threads_task =
-                    search_threads(query.clone(), cancellation_flag.clone(), thread_store, cx);
+            if let Some((thread_store, context_store)) = thread_store
+                .as_ref()
+                .and_then(|t| t.upgrade())
+                .zip(text_thread_context_store.as_ref().and_then(|t| t.upgrade()))
+            {
+                let search_threads_task = search_threads(
+                    query.clone(),
+                    cancellation_flag.clone(),
+                    thread_store,
+                    context_store,
+                    cx,
+                );
                cx.background_spawn(async move {
                    search_threads_task
                        .await
@@ -234,7 +246,9 @@ pub struct ContextPickerCompletionProvider {
    workspace: WeakEntity<Workspace>,
    context_store: WeakEntity<ContextStore>,
    thread_store: Option<WeakEntity<ThreadStore>>,
+    text_thread_store: Option<WeakEntity<TextThreadStore>>,
    editor: WeakEntity<Editor>,
+    excluded_buffer: Option<WeakEntity<Buffer>>,
 }

 impl ContextPickerCompletionProvider {
@@ -242,13 +256,17 @@ impl ContextPickerCompletionProvider {
        workspace: WeakEntity<Workspace>,
        context_store: WeakEntity<ContextStore>,
        thread_store: Option<WeakEntity<ThreadStore>>,
+        text_thread_store: Option<WeakEntity<TextThreadStore>>,
        editor: WeakEntity<Editor>,
+        exclude_buffer: Option<WeakEntity<Buffer>>,
    ) -> Self {
        Self {
            workspace,
            context_store,
            thread_store,
+            text_thread_store,
            editor,
+            excluded_buffer: exclude_buffer,
        }
    }

@@ -310,7 +328,7 @@ impl ContextPickerCompletionProvider {
                            let context_store = context_store.clone();
                            let selections = selections.clone();
                            let selection_infos = selection_infos.clone();
-                            move |_, _: &mut Window, cx: &mut App| {
+                            move |_, window: &mut Window, cx: &mut App| {
                                context_store.update(cx, |context_store, cx| {
                                    for (buffer, range) in &selections {
                                        context_store.add_selection(
@@ -323,7 +341,7 @@ impl ContextPickerCompletionProvider {

                                let editor = editor.clone();
                                let selection_infos = selection_infos.clone();
-                                cx.defer(move |cx| {
+                                window.defer(cx, move |window, cx| {
                                    let mut current_offset = 0;
                                    for (file_name, link, line_range) in selection_infos.iter() {
                                        let snapshot =
@@ -354,9 +372,8 @@ impl ContextPickerCompletionProvider {
                                        );

                                        editor.update(cx, |editor, cx| {
-                                            editor.display_map.update(cx, |display_map, cx| {
-                                                display_map.fold(vec![crease], cx);
-                                            });
+                                            editor.insert_creases(vec![crease.clone()], cx);
+                                            editor.fold_creases(vec![crease], false, window, cx);
                                        });

                                        current_offset += text_len + 1;
@@ -396,6 +413,7 @@ impl ContextPickerCompletionProvider {
        editor: Entity<Editor>,
        context_store: Entity<ContextStore>,
        thread_store: Entity<ThreadStore>,
+        text_thread_store: Entity<TextThreadStore>,
    ) -> Completion {
        let icon_for_completion = if recent {
            IconName::HistoryRerun
@@ -407,33 +425,58 @@ impl ContextPickerCompletionProvider {
        Completion {
            replace_range: source_range.clone(),
            new_text,
-            label: CodeLabel::plain(thread_entry.summary.to_string(), None),
+            label: CodeLabel::plain(thread_entry.title().to_string(), None),
            documentation: None,
            insert_text_mode: None,
            source: project::CompletionSource::Custom,
            icon_path: Some(icon_for_completion.path().into()),
            confirm: Some(confirm_completion_callback(
                IconName::MessageBubbles.path().into(),
-                thread_entry.summary.clone(),
+                thread_entry.title().clone(),
                excerpt_id,
                source_range.start,
                new_text_len,
                editor.clone(),
-                move |cx| {
-                    let thread_id = thread_entry.id.clone();
-                    let context_store = context_store.clone();
-                    let thread_store = thread_store.clone();
-                    cx.spawn(async move |cx| {
-                        let thread = thread_store
-                            .update(cx, |thread_store, cx| {
-                                thread_store.open_thread(&thread_id, cx)
-                            })?
-                            .await?;
-                        context_store.update(cx, |context_store, cx| {
-                            context_store.add_thread(thread, false, cx)
+                context_store.clone(),
+                move |window, cx| match &thread_entry {
+                    ThreadContextEntry::Thread { id, .. } => {
+                        let thread_id = id.clone();
+                        let context_store = context_store.clone();
+                        let thread_store = thread_store.clone();
+                        window.spawn::<_, Option<_>>(cx, async move |cx| {
+                            let thread: Entity<Thread> = thread_store
+                                .update_in(cx, |thread_store, window, cx| {
+                                    thread_store.open_thread(&thread_id, window, cx)
+                                })
+                                .ok()?
+                                .await
+                                .log_err()?;
+                            let context = context_store
+                                .update(cx, |context_store, cx| {
+                                    context_store.add_thread(thread, false, cx)
+                                })
+                                .ok()??;
+                            Some(context)
                        })
-                    })
-                    .detach_and_log_err(cx);
+                    }
+                    ThreadContextEntry::Context { path, .. } => {
+                        let path = path.clone();
+                        let context_store = context_store.clone();
+                        let text_thread_store = text_thread_store.clone();
+                        cx.spawn::<_, Option<_>>(async move |cx| {
+                            let thread = text_thread_store
+                                .update(cx, |store, cx| store.open_local_context(path, cx))
+                                .ok()?
+                                .await
+                                .log_err()?;
+                            let context = context_store
+                                .update(cx, |context_store, cx| {
+                                    context_store.add_text_thread(thread, false, cx)
+                                })
+                                .ok()??;
+                            Some(context)
+                        })
+                    }
                },
            )),
        }
@@ -446,7 +489,7 @@ impl ContextPickerCompletionProvider {
        editor: Entity<Editor>,
        context_store: Entity<ContextStore>,
    ) -> Completion {
-        let new_text = MentionLink::for_rules(&rules);
+        let new_text = MentionLink::for_rule(&rules);
        let new_text_len = new_text.len();
        Completion {
            replace_range: source_range.clone(),
@@ -463,11 +506,13 @@ impl ContextPickerCompletionProvider {
                source_range.start,
                new_text_len,
                editor.clone(),
-                move |cx| {
+                context_store.clone(),
+                move |_, cx| {
                    let user_prompt_id = rules.prompt_id;
-                    context_store.update(cx, |context_store, cx| {
-                        context_store.add_rules(user_prompt_id, false, cx);
+                    let context = context_store.update(cx, |context_store, cx| {
+                        context_store.add_rules(user_prompt_id, false, cx)
                    });
+                    Task::ready(context)
                },
            )),
        }
@@ -498,27 +543,33 @@ impl ContextPickerCompletionProvider {
                source_range.start,
                new_text_len,
                editor.clone(),
-                move |cx| {
+                context_store.clone(),
+                move |_, cx| {
                    let context_store = context_store.clone();
                    let http_client = http_client.clone();
                    let url_to_fetch = url_to_fetch.clone();
                    cx.spawn(async move |cx| {
-                        if context_store.update(cx, |context_store, _| {
-                            context_store.includes_url(&url_to_fetch)
-                        })? {
-                            return Ok(());
+                        if let Some(context) = context_store
+                            .update(cx, |context_store, _| {
+                                context_store.get_url_context(url_to_fetch.clone())
+                            })
+                            .ok()?
+                        {
+                            return Some(context);
                        }
                        let content = cx
                            .background_spawn(fetch_url_content(
                                http_client,
                                url_to_fetch.to_string(),
                            ))
-                            .await?;
-                        context_store.update(cx, |context_store, cx| {
-                            context_store.add_fetched_url(url_to_fetch.to_string(), content, cx)
-                        })
+                            .await
+                            .log_err()?;
+                        context_store
+                            .update(cx, |context_store, cx| {
+                                context_store.add_fetched_url(url_to_fetch.to_string(), content, cx)
+                            })
+                            .ok()
                    })
-                    .detach_and_log_err(cx);
                },
            )),
        }
@@ -577,15 +628,23 @@ impl ContextPickerCompletionProvider {
                source_range.start,
                new_text_len,
                editor,
-                move |cx| {
-                    context_store.update(cx, |context_store, cx| {
-                        let task = if is_directory {
-                            Task::ready(context_store.add_directory(&project_path, false, cx))
-                        } else {
+                context_store.clone(),
+                move |_, cx| {
+                    if is_directory {
+                        Task::ready(
+                            context_store
+                                .update(cx, |context_store, cx| {
+                                    context_store.add_directory(&project_path, false, cx)
+                                })
+                                .log_err()
+                                .flatten(),
+                        )
+                    } else {
+                        let result = context_store.update(cx, |context_store, cx| {
                            context_store.add_file_from_path(project_path.clone(), false, cx)
-                        };
-                        task.detach_and_log_err(cx);
-                    })
+                        });
+                        cx.spawn(async move |_| result.await.log_err().flatten())
+                    }
                },
            )),
        }
@@ -640,18 +699,19 @@ impl ContextPickerCompletionProvider {
                source_range.start,
                new_text_len,
                editor.clone(),
-                move |cx| {
+                context_store.clone(),
+                move |_, cx| {
                    let symbol = symbol.clone();
                    let context_store = context_store.clone();
                    let workspace = workspace.clone();
-                    super::symbol_context_picker::add_symbol(
+                    let result = super::symbol_context_picker::add_symbol(
                        symbol.clone(),
                        false,
                        workspace.clone(),
                        context_store.downgrade(),
                        cx,
-                    )
-                    .detach_and_log_err(cx);
+                    );
+                    cx.spawn(async move |_| result.await.log_err()?.0)
                },
            )),
        })
@@ -707,16 +767,26 @@ impl CompletionProvider for ContextPickerCompletionProvider {
            ..snapshot.anchor_before(state.source_range.end);

        let thread_store = self.thread_store.clone();
+        let text_thread_store = self.text_thread_store.clone();
        let editor = self.editor.clone();
        let http_client = workspace.read(cx).client().http_client();

        let MentionCompletion { mode, argument, .. } = state;
        let query = argument.unwrap_or_else(|| "".to_string());

+        let excluded_path = self
+            .excluded_buffer
+            .as_ref()
+            .and_then(WeakEntity::upgrade)
+            .and_then(|b| b.read(cx).file())
+            .map(|file| ProjectPath::from_file(file.as_ref(), cx));
+
        let recent_entries = recent_context_picker_entries(
            context_store.clone(),
            thread_store.clone(),
+            text_thread_store.clone(),
            workspace.clone(),
+            excluded_path.clone(),
            cx,
        );

@@ -734,6 +804,7 @@ impl CompletionProvider for ContextPickerCompletionProvider {
            recent_entries,
            prompt_store,
            thread_store.clone(),
+            text_thread_store.clone(),
            workspace.clone(),
            cx,
        );
@@ -749,11 +820,17 @@ impl CompletionProvider for ContextPickerCompletionProvider {
                    .into_iter()
                    .filter_map(|mat| match mat {
                        Match::File(FileMatch { mat, is_recent }) => {
+                            let project_path = ProjectPath {
+                                worktree_id: WorktreeId::from_usize(mat.worktree_id),
+                                path: mat.path.clone(),
+                            };
+
+                            if excluded_path.as_ref() == Some(&project_path) {
+                                return None;
+                            }
+
                            Some(Self::completion_for_path(
-                                ProjectPath {
-                                    worktree_id: WorktreeId::from_usize(mat.worktree_id),
-                                    path: mat.path.clone(),
-                                },
+                                project_path,
                                &mat.path_prefix,
                                is_recent,
                                mat.is_dir,
@@ -779,6 +856,8 @@ impl CompletionProvider for ContextPickerCompletionProvider {
                            thread, is_recent, ..
                        }) => {
                            let thread_store = thread_store.as_ref().and_then(|t| t.upgrade())?;
+                            let text_thread_store =
+                                text_thread_store.as_ref().and_then(|t| t.upgrade())?;
                            Some(Self::completion_for_thread(
                                thread,
                                excerpt_id,
@@ -787,6 +866,7 @@ impl CompletionProvider for ContextPickerCompletionProvider {
                                editor.clone(),
                                context_store.clone(),
                                thread_store,
+                                text_thread_store,
                            ))
                        }

@@ -873,24 +953,47 @@ fn confirm_completion_callback(
    start: Anchor,
    content_len: usize,
    editor: Entity<Editor>,
-    add_context_fn: impl Fn(&mut App) -> () + Send + Sync + 'static,
+    context_store: Entity<ContextStore>,
+    add_context_fn: impl Fn(&mut Window, &mut App) -> Task<Option<AgentContextHandle>>
+    + Send
+    + Sync
+    + 'static,
 ) -> Arc<dyn Fn(CompletionIntent, &mut Window, &mut App) -> bool + Send + Sync> {
-    Arc::new(move |_, _, cx| {
-        add_context_fn(cx);
+    Arc::new(move |_, window, cx| {
+        let context = add_context_fn(window, cx);

        let crease_text = crease_text.clone();
        let crease_icon_path = crease_icon_path.clone();
        let editor = editor.clone();
-        cx.defer(move |cx| {
-            crate::context_picker::insert_fold_for_mention(
+        let context_store = context_store.clone();
+        window.defer(cx, move |window, cx| {
+            let crease_id = crate::context_picker::insert_crease_for_mention(
                excerpt_id,
                start,
                content_len,
-                crease_text,
+                crease_text.clone(),
                crease_icon_path,
-                editor,
+                editor.clone(),
+                window,
                cx,
            );
+            cx.spawn(async move |cx| {
+                let crease_id = crease_id?;
+                let context = context.await?;
+                editor
+                    .update(cx, |editor, cx| {
+                        if let Some(addon) = editor.addon_mut::<ContextCreasesAddon>() {
+                            addon.add_creases(
+                                &context_store,
+                                AgentContextKey(context),
+                                [(crease_id, crease_text)],
+                                cx,
+                            );
+                        }
+                    })
+                    .ok()
+            })
+            .detach();
        });
        false
    })
@@ -1095,6 +1198,7 @@ mod tests {
                        "five.txt": "",
                        "six.txt": "",
                        "seven.txt": "",
+                        "eight.txt": "",
                    }
                }),
            )
@@ -1121,9 +1225,12 @@ mod tests {
            separator!("b/five.txt"),
            separator!("b/six.txt"),
            separator!("b/seven.txt"),
+            separator!("b/eight.txt"),
        ];
+
+        let mut opened_editors = Vec::new();
        for path in paths {
-            workspace
+            let buffer = workspace
                .update_in(&mut cx, |workspace, window, cx| {
                    workspace.open_path(
                        ProjectPath {
@@ -1138,6 +1245,7 @@ mod tests {
                })
                .await
                .unwrap();
+            opened_editors.push(buffer);
        }

        let editor = workspace.update_in(&mut cx, |workspace, window, cx| {
@@ -1167,12 +1275,24 @@ mod tests {

        let editor_entity = editor.downgrade();
        editor.update_in(&mut cx, |editor, window, cx| {
+            let last_opened_buffer = opened_editors.last().and_then(|editor| {
+                editor
+                    .downcast::<Editor>()?
+                    .read(cx)
+                    .buffer()
+                    .read(cx)
+                    .as_singleton()
+                    .as_ref()
+                    .map(Entity::downgrade)
+            });
            window.focus(&editor.focus_handle(cx));
            editor.set_completion_provider(Some(Box::new(ContextPickerCompletionProvider::new(
                workspace.downgrade(),
                context_store.downgrade(),
                None,
+                None,
                editor_entity,
+                last_opened_buffer,
            ))));
        });

--- a/crates/agent/src/context_picker/file_context_picker.rs
+++ b/crates/agent/src/context_picker/file_context_picker.rs
@@ -130,21 +130,19 @@ impl PickerDelegate for FileContextPickerDelegate {

        let is_directory = mat.is_dir;

-        let Some(task) = self
-            .context_store
+        self.context_store
            .update(cx, |context_store, cx| {
                if is_directory {
-                    Task::ready(context_store.add_directory(&project_path, true, cx))
+                    context_store
+                        .add_directory(&project_path, true, cx)
+                        .log_err();
                } else {
-                    context_store.add_file_from_path(project_path.clone(), true, cx)
+                    context_store
+                        .add_file_from_path(project_path.clone(), true, cx)
+                        .detach_and_log_err(cx);
                }
            })
-            .ok()
-        else {
-            return;
-        };
-
-        task.detach_and_log_err(cx);
+            .ok();
    }

    fn dismissed(&mut self, _: &mut Window, cx: &mut Context<Picker<Self>>) {
--- a/crates/agent/src/context_picker/symbol_context_picker.rs
+++ b/crates/agent/src/context_picker/symbol_context_picker.rs
@@ -14,6 +14,7 @@ use ui::{ListItem, prelude::*};
 use util::ResultExt as _;
 use workspace::Workspace;

+use crate::context::AgentContextHandle;
 use crate::context_picker::ContextPicker;
 use crate::context_store::ContextStore;

@@ -143,7 +144,7 @@ impl PickerDelegate for SymbolContextPickerDelegate {

        let selected_index = self.selected_index;
        cx.spawn(async move |this, cx| {
-            let included = add_symbol_task.await?;
+            let (_, included) = add_symbol_task.await?;
            this.update(cx, |this, _| {
                if let Some(mat) = this.delegate.matches.get_mut(selected_index) {
                    mat.is_included = included;
@@ -187,7 +188,7 @@ pub(crate) fn add_symbol(
    workspace: Entity<Workspace>,
    context_store: WeakEntity<ContextStore>,
    cx: &mut App,
-) -> Task<Result<bool>> {
+) -> Task<Result<(Option<AgentContextHandle>, bool)>> {
    let project = workspace.read(cx).project().clone();
    let open_buffer_task = project.update(cx, |project, cx| {
        project.open_buffer(symbol.path.clone(), cx)
--- a/crates/agent/src/context_picker/thread_context_picker.rs
+++ b/crates/agent/src/context_picker/thread_context_picker.rs
@@ -1,6 +1,8 @@
+use std::path::Path;
 use std::sync::Arc;
 use std::sync::atomic::AtomicBool;

+use chrono::{DateTime, Utc};
 use fuzzy::StringMatchCandidate;
 use gpui::{App, DismissEvent, Entity, FocusHandle, Focusable, Task, WeakEntity};
 use picker::{Picker, PickerDelegate};
@@ -9,7 +11,7 @@ use ui::{ListItem, prelude::*};
 use crate::context_picker::ContextPicker;
 use crate::context_store::{self, ContextStore};
 use crate::thread::ThreadId;
-use crate::thread_store::ThreadStore;
+use crate::thread_store::{TextThreadStore, ThreadStore};

 pub struct ThreadContextPicker {
    picker: Entity<Picker<ThreadContextPickerDelegate>>,
@@ -18,13 +20,18 @@ pub struct ThreadContextPicker {
 impl ThreadContextPicker {
    pub fn new(
        thread_store: WeakEntity<ThreadStore>,
+        text_thread_context_store: WeakEntity<TextThreadStore>,
        context_picker: WeakEntity<ContextPicker>,
        context_store: WeakEntity<context_store::ContextStore>,
        window: &mut Window,
        cx: &mut Context<Self>,
    ) -> Self {
-        let delegate =
-            ThreadContextPickerDelegate::new(thread_store, context_picker, context_store);
+        let delegate = ThreadContextPickerDelegate::new(
+            thread_store,
+            text_thread_context_store,
+            context_picker,
+            context_store,
+        );
        let picker = cx.new(|cx| Picker::uniform_list(delegate, window, cx));

        ThreadContextPicker { picker }
@@ -44,13 +51,29 @@ impl Render for ThreadContextPicker {
 }

 #[derive(Debug, Clone)]
-pub struct ThreadContextEntry {
-    pub id: ThreadId,
-    pub summary: SharedString,
+pub enum ThreadContextEntry {
+    Thread {
+        id: ThreadId,
+        title: SharedString,
+    },
+    Context {
+        path: Arc<Path>,
+        title: SharedString,
+    },
+}
+
+impl ThreadContextEntry {
+    pub fn title(&self) -> &SharedString {
+        match self {
+            Self::Thread { title, .. } => title,
+            Self::Context { title, .. } => title,
+        }
+    }
 }

 pub struct ThreadContextPickerDelegate {
    thread_store: WeakEntity<ThreadStore>,
+    text_thread_store: WeakEntity<TextThreadStore>,
    context_picker: WeakEntity<ContextPicker>,
    context_store: WeakEntity<context_store::ContextStore>,
    matches: Vec<ThreadContextEntry>,
@@ -60,6 +83,7 @@ pub struct ThreadContextPickerDelegate {
 impl ThreadContextPickerDelegate {
    pub fn new(
        thread_store: WeakEntity<ThreadStore>,
+        text_thread_store: WeakEntity<TextThreadStore>,
        context_picker: WeakEntity<ContextPicker>,
        context_store: WeakEntity<context_store::ContextStore>,
    ) -> Self {
@@ -67,6 +91,7 @@ impl ThreadContextPickerDelegate {
            thread_store,
            context_picker,
            context_store,
+            text_thread_store,
            matches: Vec::new(),
            selected_index: 0,
        }
@@ -103,11 +128,21 @@ impl PickerDelegate for ThreadContextPickerDelegate {
        window: &mut Window,
        cx: &mut Context<Picker<Self>>,
    ) -> Task<()> {
-        let Some(thread_store) = self.thread_store.upgrade() else {
+        let Some((thread_store, text_thread_context_store)) = self
+            .thread_store
+            .upgrade()
+            .zip(self.text_thread_store.upgrade())
+        else {
            return Task::ready(());
        };

-        let search_task = search_threads(query, Arc::new(AtomicBool::default()), thread_store, cx);
+        let search_task = search_threads(
+            query,
+            Arc::new(AtomicBool::default()),
+            thread_store,
+            text_thread_context_store,
+            cx,
+        );
        cx.spawn_in(window, async move |this, cx| {
            let matches = search_task.await;
            this.update(cx, |this, cx| {
@@ -119,29 +154,53 @@ impl PickerDelegate for ThreadContextPickerDelegate {
        })
    }

-    fn confirm(&mut self, _secondary: bool, _window: &mut Window, cx: &mut Context<Picker<Self>>) {
+    fn confirm(&mut self, _secondary: bool, window: &mut Window, cx: &mut Context<Picker<Self>>) {
        let Some(entry) = self.matches.get(self.selected_index) else {
            return;
        };

-        let Some(thread_store) = self.thread_store.upgrade() else {
-            return;
-        };
+        match entry {
+            ThreadContextEntry::Thread { id, .. } => {
+                let Some(thread_store) = self.thread_store.upgrade() else {
+                    return;
+                };
+                let open_thread_task =
+                    thread_store.update(cx, |this, cx| this.open_thread(&id, window, cx));

-        let open_thread_task = thread_store.update(cx, |this, cx| this.open_thread(&entry.id, cx));
-
-        cx.spawn(async move |this, cx| {
-            let thread = open_thread_task.await?;
-            this.update(cx, |this, cx| {
-                this.delegate
-                    .context_store
-                    .update(cx, |context_store, cx| {
-                        context_store.add_thread(thread, true, cx)
+                cx.spawn(async move |this, cx| {
+                    let thread = open_thread_task.await?;
+                    this.update(cx, |this, cx| {
+                        this.delegate
+                            .context_store
+                            .update(cx, |context_store, cx| {
+                                context_store.add_thread(thread, true, cx)
+                            })
+                            .ok();
                    })
-                    .ok();
-            })
-        })
-        .detach_and_log_err(cx);
+                })
+                .detach_and_log_err(cx);
+            }
+            ThreadContextEntry::Context { path, .. } => {
+                let Some(text_thread_store) = self.text_thread_store.upgrade() else {
+                    return;
+                };
+                let task = text_thread_store
+                    .update(cx, |this, cx| this.open_local_context(path.clone(), cx));
+
+                cx.spawn(async move |this, cx| {
+                    let thread = task.await?;
+                    this.update(cx, |this, cx| {
+                        this.delegate
+                            .context_store
+                            .update(cx, |context_store, cx| {
+                                context_store.add_text_thread(thread, true, cx)
+                            })
+                            .ok();
+                    })
+                })
+                .detach_and_log_err(cx);
+            }
+        }
    }

    fn dismissed(&mut self, _window: &mut Window, cx: &mut Context<Picker<Self>>) {
@@ -168,13 +227,20 @@ impl PickerDelegate for ThreadContextPickerDelegate {
 }

 pub fn render_thread_context_entry(
-    thread: &ThreadContextEntry,
+    entry: &ThreadContextEntry,
    context_store: WeakEntity<ContextStore>,
    cx: &mut App,
 ) -> Div {
-    let added = context_store.upgrade().map_or(false, |ctx_store| {
-        ctx_store.read(cx).includes_thread(&thread.id)
-    });
+    let is_added = match entry {
+        ThreadContextEntry::Thread { id, .. } => context_store
+            .upgrade()
+            .map_or(false, |ctx_store| ctx_store.read(cx).includes_thread(&id)),
+        ThreadContextEntry::Context { path, .. } => {
+            context_store.upgrade().map_or(false, |ctx_store| {
+                ctx_store.read(cx).includes_text_thread(path)
+            })
+        }
+    };

    h_flex()
        .gap_1p5()
@@ -189,9 +255,9 @@ pub fn render_thread_context_entry(
                        .size(IconSize::XSmall)
                        .color(Color::Muted),
                )
-                .child(Label::new(thread.summary.clone()).truncate()),
+                .child(Label::new(entry.title().clone()).truncate()),
        )
-        .when(added, |el| {
+        .when(is_added, |el| {
            el.child(
                h_flex()
                    .gap_1()
@@ -211,28 +277,54 @@ pub struct ThreadMatch {
    pub is_recent: bool,
 }

+pub fn unordered_thread_entries(
+    thread_store: Entity<ThreadStore>,
+    text_thread_store: Entity<TextThreadStore>,
+    cx: &App,
+) -> impl Iterator<Item = (DateTime<Utc>, ThreadContextEntry)> {
+    let threads = thread_store.read(cx).unordered_threads().map(|thread| {
+        (
+            thread.updated_at,
+            ThreadContextEntry::Thread {
+                id: thread.id.clone(),
+                title: thread.summary.clone(),
+            },
+        )
+    });
+
+    let text_threads = text_thread_store
+        .read(cx)
+        .unordered_contexts()
+        .map(|context| {
+            (
+                context.mtime.to_utc(),
+                ThreadContextEntry::Context {
+                    path: context.path.clone(),
+                    title: context.title.clone().into(),
+                },
+            )
+        });
+
+    threads.chain(text_threads)
+}
+
 pub(crate) fn search_threads(
    query: String,
    cancellation_flag: Arc<AtomicBool>,
    thread_store: Entity<ThreadStore>,
+    text_thread_store: Entity<TextThreadStore>,
    cx: &mut App,
 ) -> Task<Vec<ThreadMatch>> {
-    let threads = thread_store
-        .read(cx)
-        .reverse_chronological_threads()
-        .into_iter()
-        .map(|thread| ThreadContextEntry {
-            id: thread.id,
-            summary: thread.summary,
-        })
-        .collect::<Vec<_>>();
+    let mut threads =
+        unordered_thread_entries(thread_store, text_thread_store, cx).collect::<Vec<_>>();
+    threads.sort_unstable_by_key(|(updated_at, _)| std::cmp::Reverse(*updated_at));

    let executor = cx.background_executor().clone();
    cx.background_spawn(async move {
        if query.is_empty() {
            threads
                .into_iter()
-                .map(|thread| ThreadMatch {
+                .map(|(_, thread)| ThreadMatch {
                    thread,
                    is_recent: false,
                })
@@ -241,7 +333,7 @@ pub(crate) fn search_threads(
            let candidates = threads
                .iter()
                .enumerate()
-                .map(|(id, thread)| StringMatchCandidate::new(id, &thread.summary))
+                .map(|(id, (_, thread))| StringMatchCandidate::new(id, &thread.title()))
                .collect::<Vec<_>>();
            let matches = fuzzy::match_strings(
                &candidates,
@@ -256,7 +348,7 @@ pub(crate) fn search_threads(
            matches
                .into_iter()
                .map(|mat| ThreadMatch {
-                    thread: threads[mat.candidate_id].clone(),
+                    thread: threads[mat.candidate_id].1.clone(),
                    is_recent: false,
                })
                .collect()
--- a/crates/agent/src/context_server_configuration.rs
+++ b/crates/agent/src/context_server_configuration.rs
@@ -0,0 +1,140 @@
+use std::sync::Arc;
+
+use anyhow::Context as _;
+use context_server::ContextServerId;
+use extension::{ContextServerConfiguration, ExtensionManifest};
+use gpui::Task;
+use language::LanguageRegistry;
+use project::context_server_store::registry::ContextServerDescriptorRegistry;
+use ui::prelude::*;
+use util::ResultExt;
+use workspace::Workspace;
+
+use crate::agent_configuration::ConfigureContextServerModal;
+
+pub(crate) fn init(language_registry: Arc<LanguageRegistry>, cx: &mut App) {
+    cx.observe_new(move |_: &mut Workspace, window, cx| {
+        let Some(window) = window else {
+            return;
+        };
+
+        if let Some(extension_events) = extension::ExtensionEvents::try_global(cx).as_ref() {
+            cx.subscribe_in(extension_events, window, {
+                let language_registry = language_registry.clone();
+                move |workspace, _, event, window, cx| match event {
+                    extension::Event::ExtensionInstalled(manifest) => {
+                        show_configure_mcp_modal(
+                            language_registry.clone(),
+                            manifest,
+                            workspace,
+                            window,
+                            cx,
+                        );
+                    }
+                    extension::Event::ConfigureExtensionRequested(manifest) => {
+                        if !manifest.context_servers.is_empty() {
+                            show_configure_mcp_modal(
+                                language_registry.clone(),
+                                manifest,
+                                workspace,
+                                window,
+                                cx,
+                            );
+                        }
+                    }
+                    _ => {}
+                }
+            })
+            .detach();
+        } else {
+            log::info!(
+                "No extension events global found. Skipping context server configuration wizard"
+            );
+        }
+    })
+    .detach();
+}
+
+pub enum Configuration {
+    NotAvailable(ContextServerId, Option<SharedString>),
+    Required(
+        ContextServerId,
+        Option<SharedString>,
+        ContextServerConfiguration,
+    ),
+}
+
+fn show_configure_mcp_modal(
+    language_registry: Arc<LanguageRegistry>,
+    manifest: &Arc<ExtensionManifest>,
+    workspace: &mut Workspace,
+    window: &mut Window,
+    cx: &mut Context<'_, Workspace>,
+) {
+    let context_server_store = workspace.project().read(cx).context_server_store();
+    let repository: Option<SharedString> = manifest.repository.as_ref().map(|s| s.clone().into());
+
+    let registry = ContextServerDescriptorRegistry::default_global(cx).read(cx);
+    let worktree_store = workspace.project().read(cx).worktree_store();
+    let configuration_tasks = manifest
+        .context_servers
+        .keys()
+        .cloned()
+        .map({
+            |key| {
+                let Some(descriptor) = registry.context_server_descriptor(&key) else {
+                    return Task::ready(Configuration::NotAvailable(
+                        ContextServerId(key),
+                        repository.clone(),
+                    ));
+                };
+                cx.spawn({
+                    let repository_url = repository.clone();
+                    let worktree_store = worktree_store.clone();
+                    async move |_, cx| {
+                        let configuration = descriptor
+                            .configuration(worktree_store.clone(), &cx)
+                            .await
+                            .context("Failed to resolve context server configuration")
+                            .log_err()
+                            .flatten();
+
+                        match configuration {
+                            Some(config) => Configuration::Required(
+                                ContextServerId(key),
+                                repository_url,
+                                config,
+                            ),
+                            None => {
+                                Configuration::NotAvailable(ContextServerId(key), repository_url)
+                            }
+                        }
+                    }
+                })
+            }
+        })
+        .collect::<Vec<_>>();
+
+    let jsonc_language = language_registry.language_for_name("jsonc");
+
+    cx.spawn_in(window, async move |this, cx| {
+        let configurations = futures::future::join_all(configuration_tasks).await;
+        let jsonc_language = jsonc_language.await.ok();
+
+        this.update_in(cx, |this, window, cx| {
+            let workspace = cx.entity().downgrade();
+            this.toggle_modal(window, cx, |window, cx| {
+                ConfigureContextServerModal::new(
+                    configurations.into_iter(),
+                    context_server_store,
+                    jsonc_language,
+                    language_registry,
+                    workspace,
+                    window,
+                    cx,
+                )
+            });
+        })
+    })
+    .detach();
+}
--- a/crates/context_server/src/context_server_tool.rs
+++ b/crates/context_server/src/context_server_tool.rs
@@ -2,29 +2,27 @@ use std::sync::Arc;

 use anyhow::{Result, anyhow, bail};
 use assistant_tool::{ActionLog, Tool, ToolResult, ToolSource};
+use context_server::{ContextServerId, types};
 use gpui::{AnyWindowHandle, App, Entity, Task};
-use icons::IconName;
-use language_model::{LanguageModelRequestMessage, LanguageModelToolSchemaFormat};
-use project::Project;
-
-use crate::manager::ContextServerManager;
-use crate::types;
+use language_model::{LanguageModel, LanguageModelRequest, LanguageModelToolSchemaFormat};
+use project::{Project, context_server_store::ContextServerStore};
+use ui::IconName;

 pub struct ContextServerTool {
-    server_manager: Entity<ContextServerManager>,
-    server_id: Arc<str>,
+    store: Entity<ContextServerStore>,
+    server_id: ContextServerId,
    tool: types::Tool,
 }

 impl ContextServerTool {
    pub fn new(
-        server_manager: Entity<ContextServerManager>,
-        server_id: impl Into<Arc<str>>,
+        store: Entity<ContextServerStore>,
+        server_id: ContextServerId,
        tool: types::Tool,
    ) -> Self {
        Self {
-            server_manager,
-            server_id: server_id.into(),
+            store,
+            server_id,
            tool,
        }
    }
@@ -45,7 +43,7 @@ impl Tool for ContextServerTool {

    fn source(&self) -> ToolSource {
        ToolSource::ContextServer {
-            id: self.server_id.clone().into(),
+            id: self.server_id.clone().0.into(),
        }
    }

@@ -74,13 +72,14 @@ impl Tool for ContextServerTool {
    fn run(
        self: Arc<Self>,
        input: serde_json::Value,
-        _messages: &[LanguageModelRequestMessage],
+        _request: Arc<LanguageModelRequest>,
        _project: Entity<Project>,
        _action_log: Entity<ActionLog>,
+        _model: Arc<dyn LanguageModel>,
        _window: Option<AnyWindowHandle>,
        cx: &mut App,
    ) -> ToolResult {
-        if let Some(server) = self.server_manager.read(cx).get_server(&self.server_id) {
+        if let Some(server) = self.store.read(cx).get_running_server(&self.server_id) {
            let tool_name = self.tool.name.clone();
            let server_clone = server.clone();
            let input_clone = input.clone();
@@ -117,7 +116,7 @@ impl Tool for ContextServerTool {
                        }
                    }
                }
-                Ok(result)
+                Ok(result.into())
            })
            .into()
        } else {
--- a/crates/agent/src/context_store.rs
+++ b/crates/agent/src/context_store.rs
@@ -1,37 +1,44 @@
 use std::ops::Range;
-use std::path::PathBuf;
+use std::path::{Path, PathBuf};
 use std::sync::Arc;

 use anyhow::{Result, anyhow};
+use assistant_context_editor::AssistantContext;
 use collections::{HashSet, IndexSet};
-use futures::future::join_all;
 use futures::{self, FutureExt};
-use gpui::{App, Context, Entity, Image, SharedString, Task, WeakEntity};
+use gpui::{App, Context, Entity, EventEmitter, Image, SharedString, Task, WeakEntity};
 use language::Buffer;
 use language_model::LanguageModelImage;
+use project::image_store::is_image_file;
 use project::{Project, ProjectItem, ProjectPath, Symbol};
 use prompt_store::UserPromptId;
 use ref_cast::RefCast as _;
 use text::{Anchor, OffsetRangeExt};
-use util::ResultExt as _;

 use crate::ThreadStore;
 use crate::context::{
-    AgentContext, AgentContextKey, ContextId, DirectoryContext, FetchedUrlContext, FileContext,
-    ImageContext, RulesContext, SelectionContext, SymbolContext, ThreadContext,
+    AgentContextHandle, AgentContextKey, ContextId, DirectoryContextHandle, FetchedUrlContext,
+    FileContextHandle, ImageContext, RulesContextHandle, SelectionContextHandle,
+    SymbolContextHandle, TextThreadContextHandle, ThreadContextHandle,
 };
 use crate::context_strip::SuggestedContext;
-use crate::thread::{Thread, ThreadId};
+use crate::thread::{MessageId, Thread, ThreadId};

 pub struct ContextStore {
    project: WeakEntity<Project>,
    thread_store: Option<WeakEntity<ThreadStore>>,
-    thread_summary_tasks: Vec<Task<()>>,
    next_context_id: ContextId,
    context_set: IndexSet<AgentContextKey>,
    context_thread_ids: HashSet<ThreadId>,
+    context_text_thread_paths: HashSet<Arc<Path>>,
 }

+pub enum ContextStoreEvent {
+    ContextRemoved(AgentContextKey),
+}
+
+impl EventEmitter<ContextStoreEvent> for ContextStore {}
+
 impl ContextStore {
    pub fn new(
        project: WeakEntity<Project>,
@@ -40,14 +47,14 @@ impl ContextStore {
        Self {
            project,
            thread_store,
-            thread_summary_tasks: Vec::new(),
            next_context_id: ContextId::zero(),
            context_set: IndexSet::default(),
            context_thread_ids: HashSet::default(),
+            context_text_thread_paths: HashSet::default(),
        }
    }

-    pub fn context(&self) -> impl Iterator<Item = &AgentContext> {
+    pub fn context(&self) -> impl Iterator<Item = &AgentContextHandle> {
        self.context_set.iter().map(|entry| entry.as_ref())
    }

@@ -56,11 +63,21 @@ impl ContextStore {
        self.context_thread_ids.clear();
    }

-    pub fn new_context_for_thread(&self, thread: &Thread) -> Vec<AgentContext> {
+    pub fn new_context_for_thread(
+        &self,
+        thread: &Thread,
+        exclude_messages_from_id: Option<MessageId>,
+    ) -> Vec<AgentContextHandle> {
        let existing_context = thread
            .messages()
-            .flat_map(|message| &message.loaded_context.contexts)
-            .map(AgentContextKey::ref_cast)
+            .take_while(|message| exclude_messages_from_id.is_none_or(|id| message.id != id))
+            .flat_map(|message| {
+                message
+                    .loaded_context
+                    .contexts
+                    .iter()
+                    .map(|context| AgentContextKey(context.handle()))
+            })
            .collect::<HashSet<_>>();
        self.context_set
            .iter()
@@ -74,20 +91,24 @@ impl ContextStore {
        project_path: ProjectPath,
        remove_if_exists: bool,
        cx: &mut Context<Self>,
-    ) -> Task<Result<()>> {
+    ) -> Task<Result<Option<AgentContextHandle>>> {
        let Some(project) = self.project.upgrade() else {
            return Task::ready(Err(anyhow!("failed to read project")));
        };

-        cx.spawn(async move |this, cx| {
-            let open_buffer_task = project.update(cx, |project, cx| {
-                project.open_buffer(project_path.clone(), cx)
-            })?;
-            let buffer = open_buffer_task.await?;
-            this.update(cx, |this, cx| {
-                this.add_file_from_buffer(&project_path, buffer, remove_if_exists, cx)
+        if is_image_file(&project, &project_path, cx) {
+            self.add_image_from_path(project_path, remove_if_exists, cx)
+        } else {
+            cx.spawn(async move |this, cx| {
+                let open_buffer_task = project.update(cx, |project, cx| {
+                    project.open_buffer(project_path.clone(), cx)
+                })?;
+                let buffer = open_buffer_task.await?;
+                this.update(cx, |this, cx| {
+                    this.add_file_from_buffer(&project_path, buffer, remove_if_exists, cx)
+                })
            })
-        })
+        }
    }

    pub fn add_file_from_buffer(
@@ -96,21 +117,22 @@ impl ContextStore {
        buffer: Entity<Buffer>,
        remove_if_exists: bool,
        cx: &mut Context<Self>,
-    ) {
+    ) -> Option<AgentContextHandle> {
        let context_id = self.next_context_id.post_inc();
-        let context = AgentContext::File(FileContext { buffer, context_id });
+        let context = AgentContextHandle::File(FileContextHandle { buffer, context_id });

-        let already_included = if self.has_context(&context) {
+        if let Some(key) = self.context_set.get(AgentContextKey::ref_cast(&context)) {
            if remove_if_exists {
                self.remove_context(&context, cx);
+                None
+            } else {
+                Some(key.as_ref().clone())
            }
-            true
+        } else if self.path_included_in_directory(project_path, cx).is_some() {
+            None
        } else {
-            self.path_included_in_directory(project_path, cx).is_some()
-        };
-
-        if !already_included {
-            self.insert_context(context, cx);
+            self.insert_context(context.clone(), cx);
+            Some(context)
        }
    }

@@ -119,7 +141,7 @@ impl ContextStore {
        project_path: &ProjectPath,
        remove_if_exists: bool,
        cx: &mut Context<Self>,
-    ) -> Result<()> {
+    ) -> Result<Option<AgentContextHandle>> {
        let Some(project) = self.project.upgrade() else {
            return Err(anyhow!("failed to read project"));
        };
@@ -133,20 +155,25 @@ impl ContextStore {
        };

        let context_id = self.next_context_id.post_inc();
-        let context = AgentContext::Directory(DirectoryContext {
+        let context = AgentContextHandle::Directory(DirectoryContextHandle {
            entry_id,
            context_id,
        });

-        if self.has_context(&context) {
-            if remove_if_exists {
-                self.remove_context(&context, cx);
-            }
-        } else if self.path_included_in_directory(project_path, cx).is_none() {
-            self.insert_context(context, cx);
-        }
+        let context =
+            if let Some(existing) = self.context_set.get(AgentContextKey::ref_cast(&context)) {
+                if remove_if_exists {
+                    self.remove_context(&context, cx);
+                    None
+                } else {
+                    Some(existing.as_ref().clone())
+                }
+            } else {
+                self.insert_context(context.clone(), cx);
+                Some(context)
+            };

-        anyhow::Ok(())
+        anyhow::Ok(context)
    }

    pub fn add_symbol(
@@ -157,9 +184,9 @@ impl ContextStore {
        enclosing_range: Range<Anchor>,
        remove_if_exists: bool,
        cx: &mut Context<Self>,
-    ) -> bool {
+    ) -> (Option<AgentContextHandle>, bool) {
        let context_id = self.next_context_id.post_inc();
-        let context = AgentContext::Symbol(SymbolContext {
+        let context = AgentContextHandle::Symbol(SymbolContextHandle {
            buffer,
            symbol,
            range,
@@ -167,14 +194,18 @@ impl ContextStore {
            context_id,
        });

-        if self.has_context(&context) {
-            if remove_if_exists {
+        if let Some(key) = self.context_set.get(AgentContextKey::ref_cast(&context)) {
+            let handle = if remove_if_exists {
                self.remove_context(&context, cx);
-            }
-            return false;
+                None
+            } else {
+                Some(key.as_ref().clone())
+            };
+            return (handle, false);
        }

-        self.insert_context(context, cx)
+        let included = self.insert_context(context.clone(), cx);
+        (Some(context), included)
    }

    pub fn add_thread(
@@ -182,72 +213,70 @@ impl ContextStore {
        thread: Entity<Thread>,
        remove_if_exists: bool,
        cx: &mut Context<Self>,
-    ) {
+    ) -> Option<AgentContextHandle> {
        let context_id = self.next_context_id.post_inc();
-        let context = AgentContext::Thread(ThreadContext { thread, context_id });
+        let context = AgentContextHandle::Thread(ThreadContextHandle { thread, context_id });

-        if self.has_context(&context) {
+        if let Some(existing) = self.context_set.get(AgentContextKey::ref_cast(&context)) {
            if remove_if_exists {
                self.remove_context(&context, cx);
+                None
+            } else {
+                Some(existing.as_ref().clone())
            }
        } else {
-            self.insert_context(context, cx);
+            self.insert_context(context.clone(), cx);
+            Some(context)
        }
    }

-    fn start_summarizing_thread_if_needed(
+    pub fn add_text_thread(
        &mut self,
-        thread: &Entity<Thread>,
+        context: Entity<AssistantContext>,
+        remove_if_exists: bool,
        cx: &mut Context<Self>,
-    ) {
-        if let Some(summary_task) =
-            thread.update(cx, |thread, cx| thread.generate_detailed_summary(cx))
-        {
-            let thread = thread.clone();
-            let thread_store = self.thread_store.clone();
+    ) -> Option<AgentContextHandle> {
+        let context_id = self.next_context_id.post_inc();
+        let context = AgentContextHandle::TextThread(TextThreadContextHandle {
+            context,
+            context_id,
+        });

-            self.thread_summary_tasks.push(cx.spawn(async move |_, cx| {
-                summary_task.await;
-
-                if let Some(thread_store) = thread_store {
-                    // Save thread so its summary can be reused later
-                    let save_task = thread_store
-                        .update(cx, |thread_store, cx| thread_store.save_thread(&thread, cx));
-
-                    if let Some(save_task) = save_task.ok() {
-                        save_task.await.log_err();
-                    }
-                }
-            }));
+        if let Some(existing) = self.context_set.get(AgentContextKey::ref_cast(&context)) {
+            if remove_if_exists {
+                self.remove_context(&context, cx);
+                None
+            } else {
+                Some(existing.as_ref().clone())
+            }
+        } else {
+            self.insert_context(context.clone(), cx);
+            Some(context)
        }
    }

-    pub fn wait_for_summaries(&mut self, cx: &App) -> Task<()> {
-        let tasks = std::mem::take(&mut self.thread_summary_tasks);
-
-        cx.spawn(async move |_cx| {
-            join_all(tasks).await;
-        })
-    }
-
    pub fn add_rules(
        &mut self,
        prompt_id: UserPromptId,
        remove_if_exists: bool,
        cx: &mut Context<ContextStore>,
-    ) {
+    ) -> Option<AgentContextHandle> {
        let context_id = self.next_context_id.post_inc();
-        let context = AgentContext::Rules(RulesContext {
+        let context = AgentContextHandle::Rules(RulesContextHandle {
            prompt_id,
            context_id,
        });

-        if self.has_context(&context) {
+        if let Some(existing) = self.context_set.get(AgentContextKey::ref_cast(&context)) {
            if remove_if_exists {
                self.remove_context(&context, cx);
+                None
+            } else {
+                Some(existing.as_ref().clone())
            }
        } else {
-            self.insert_context(context, cx);
+            self.insert_context(context.clone(), cx);
+            Some(context)
        }
    }

@@ -256,24 +285,68 @@ impl ContextStore {
        url: String,
        text: impl Into<SharedString>,
        cx: &mut Context<ContextStore>,
-    ) {
-        let context = AgentContext::FetchedUrl(FetchedUrlContext {
+    ) -> AgentContextHandle {
+        let context = AgentContextHandle::FetchedUrl(FetchedUrlContext {
            url: url.into(),
            text: text.into(),
            context_id: self.next_context_id.post_inc(),
        });

-        self.insert_context(context, cx);
+        self.insert_context(context.clone(), cx);
+        context
    }

-    pub fn add_image(&mut self, image: Arc<Image>, cx: &mut Context<ContextStore>) {
+    pub fn add_image_from_path(
+        &mut self,
+        project_path: ProjectPath,
+        remove_if_exists: bool,
+        cx: &mut Context<ContextStore>,
+    ) -> Task<Result<Option<AgentContextHandle>>> {
+        let project = self.project.clone();
+        cx.spawn(async move |this, cx| {
+            let open_image_task = project.update(cx, |project, cx| {
+                project.open_image(project_path.clone(), cx)
+            })?;
+            let image_item = open_image_task.await?;
+            let image = image_item.read_with(cx, |image_item, _| image_item.image.clone())?;
+            this.update(cx, |this, cx| {
+                this.insert_image(
+                    Some(image_item.read(cx).project_path(cx)),
+                    image,
+                    remove_if_exists,
+                    cx,
+                )
+            })
+        })
+    }
+
+    pub fn add_image_instance(&mut self, image: Arc<Image>, cx: &mut Context<ContextStore>) {
+        self.insert_image(None, image, false, cx);
+    }
+
+    fn insert_image(
+        &mut self,
+        project_path: Option<ProjectPath>,
+        image: Arc<Image>,
+        remove_if_exists: bool,
+        cx: &mut Context<ContextStore>,
+    ) -> Option<AgentContextHandle> {
        let image_task = LanguageModelImage::from_image(image.clone(), cx).shared();
-        let context = AgentContext::Image(ImageContext {
+        let context = AgentContextHandle::Image(ImageContext {
+            project_path,
            original_image: image,
            image_task,
            context_id: self.next_context_id.post_inc(),
        });
-        self.insert_context(context, cx);
+        if self.has_context(&context) {
+            if remove_if_exists {
+                self.remove_context(&context, cx);
+                return None;
+            }
+        }
+
+        self.insert_context(context.clone(), cx);
+        Some(context)
    }

    pub fn add_selection(
@@ -283,7 +356,7 @@ impl ContextStore {
        cx: &mut Context<ContextStore>,
    ) {
        let context_id = self.next_context_id.post_inc();
-        let context = AgentContext::Selection(SelectionContext {
+        let context = AgentContextHandle::Selection(SelectionContextHandle {
            buffer,
            range,
            context_id,
@@ -304,14 +377,29 @@ impl ContextStore {
            } => {
                if let Some(buffer) = buffer.upgrade() {
                    let context_id = self.next_context_id.post_inc();
-                    self.insert_context(AgentContext::File(FileContext { buffer, context_id }), cx);
+                    self.insert_context(
+                        AgentContextHandle::File(FileContextHandle { buffer, context_id }),
+                        cx,
+                    );
                };
            }
            SuggestedContext::Thread { thread, name: _ } => {
                if let Some(thread) = thread.upgrade() {
                    let context_id = self.next_context_id.post_inc();
                    self.insert_context(
-                        AgentContext::Thread(ThreadContext { thread, context_id }),
+                        AgentContextHandle::Thread(ThreadContextHandle { thread, context_id }),
+                        cx,
+                    );
+                }
+            }
+            SuggestedContext::TextThread { context, name: _ } => {
+                if let Some(context) = context.upgrade() {
+                    let context_id = self.next_context_id.post_inc();
+                    self.insert_context(
+                        AgentContextHandle::TextThread(TextThreadContextHandle {
+                            context,
+                            context_id,
+                        }),
                        cx,
                    );
                }
@@ -319,12 +407,22 @@ impl ContextStore {
        }
    }

-    fn insert_context(&mut self, context: AgentContext, cx: &mut Context<Self>) -> bool {
+    fn insert_context(&mut self, context: AgentContextHandle, cx: &mut Context<Self>) -> bool {
        match &context {
-            AgentContext::Thread(thread_context) => {
-                self.context_thread_ids
-                    .insert(thread_context.thread.read(cx).id().clone());
-                self.start_summarizing_thread_if_needed(&thread_context.thread, cx);
+            AgentContextHandle::Thread(thread_context) => {
+                if let Some(thread_store) = self.thread_store.clone() {
+                    thread_context.thread.update(cx, |thread, cx| {
+                        thread.start_generating_detailed_summary_if_needed(thread_store, cx);
+                    });
+                    self.context_thread_ids
+                        .insert(thread_context.thread.read(cx).id().clone());
+                } else {
+                    return false;
+                }
+            }
+            AgentContextHandle::TextThread(text_thread_context) => {
+                self.context_text_thread_paths
+                    .extend(text_thread_context.context.read(cx).path().cloned());
            }
            _ => {}
        }
@@ -335,23 +433,29 @@ impl ContextStore {
        inserted
    }

-    pub fn remove_context(&mut self, context: &AgentContext, cx: &mut Context<Self>) {
-        if self
+    pub fn remove_context(&mut self, context: &AgentContextHandle, cx: &mut Context<Self>) {
+        if let Some((_, key)) = self
            .context_set
-            .shift_remove(AgentContextKey::ref_cast(context))
+            .shift_remove_full(AgentContextKey::ref_cast(context))
        {
            match context {
-                AgentContext::Thread(thread_context) => {
+                AgentContextHandle::Thread(thread_context) => {
                    self.context_thread_ids
                        .remove(thread_context.thread.read(cx).id());
                }
+                AgentContextHandle::TextThread(text_thread_context) => {
+                    if let Some(path) = text_thread_context.context.read(cx).path() {
+                        self.context_text_thread_paths.remove(path);
+                    }
+                }
                _ => {}
            }
+            cx.emit(ContextStoreEvent::ContextRemoved(key));
            cx.notify();
        }
    }

-    pub fn has_context(&mut self, context: &AgentContext) -> bool {
+    pub fn has_context(&mut self, context: &AgentContextHandle) -> bool {
        self.context_set
            .contains(AgentContextKey::ref_cast(context))
    }
@@ -361,8 +465,13 @@ impl ContextStore {
    pub fn file_path_included(&self, path: &ProjectPath, cx: &App) -> Option<FileInclusion> {
        let project = self.project.upgrade()?.read(cx);
        self.context().find_map(|context| match context {
-            AgentContext::File(file_context) => FileInclusion::check_file(file_context, path, cx),
-            AgentContext::Directory(directory_context) => {
+            AgentContextHandle::File(file_context) => {
+                FileInclusion::check_file(file_context, path, cx)
+            }
+            AgentContextHandle::Image(image_context) => {
+                FileInclusion::check_image(image_context, path)
+            }
+            AgentContextHandle::Directory(directory_context) => {
                FileInclusion::check_directory(directory_context, path, project, cx)
            }
            _ => None,
@@ -376,7 +485,7 @@ impl ContextStore {
    ) -> Option<FileInclusion> {
        let project = self.project.upgrade()?.read(cx);
        self.context().find_map(|context| match context {
-            AgentContext::Directory(directory_context) => {
+            AgentContextHandle::Directory(directory_context) => {
                FileInclusion::check_directory(directory_context, path, project, cx)
            }
            _ => None,
@@ -385,7 +494,7 @@ impl ContextStore {

    pub fn includes_symbol(&self, symbol: &Symbol, cx: &App) -> bool {
        self.context().any(|context| match context {
-            AgentContext::Symbol(context) => {
+            AgentContextHandle::Symbol(context) => {
                if context.symbol != symbol.name {
                    return false;
                }
@@ -408,9 +517,13 @@ impl ContextStore {
        self.context_thread_ids.contains(thread_id)
    }

+    pub fn includes_text_thread(&self, path: &Arc<Path>) -> bool {
+        self.context_text_thread_paths.contains(path)
+    }
+
    pub fn includes_user_rules(&self, prompt_id: UserPromptId) -> bool {
        self.context_set
-            .contains(&RulesContext::lookup_key(prompt_id))
+            .contains(&RulesContextHandle::lookup_key(prompt_id))
    }

    pub fn includes_url(&self, url: impl Into<SharedString>) -> bool {
@@ -418,20 +531,27 @@ impl ContextStore {
            .contains(&FetchedUrlContext::lookup_key(url.into()))
    }

+    pub fn get_url_context(&self, url: SharedString) -> Option<AgentContextHandle> {
+        self.context_set
+            .get(&FetchedUrlContext::lookup_key(url))
+            .map(|key| key.as_ref().clone())
+    }
+
    pub fn file_paths(&self, cx: &App) -> HashSet<ProjectPath> {
        self.context()
            .filter_map(|context| match context {
-                AgentContext::File(file) => {
+                AgentContextHandle::File(file) => {
                    let buffer = file.buffer.read(cx);
                    buffer.project_path(cx)
                }
-                AgentContext::Directory(_)
-                | AgentContext::Symbol(_)
-                | AgentContext::Selection(_)
-                | AgentContext::FetchedUrl(_)
-                | AgentContext::Thread(_)
-                | AgentContext::Rules(_)
-                | AgentContext::Image(_) => None,
+                AgentContextHandle::Directory(_)
+                | AgentContextHandle::Symbol(_)
+                | AgentContextHandle::Selection(_)
+                | AgentContextHandle::FetchedUrl(_)
+                | AgentContextHandle::Thread(_)
+                | AgentContextHandle::TextThread(_)
+                | AgentContextHandle::Rules(_)
+                | AgentContextHandle::Image(_) => None,
            })
            .collect()
    }
@@ -447,7 +567,7 @@ pub enum FileInclusion {
 }

 impl FileInclusion {
-    fn check_file(file_context: &FileContext, path: &ProjectPath, cx: &App) -> Option<Self> {
+    fn check_file(file_context: &FileContextHandle, path: &ProjectPath, cx: &App) -> Option<Self> {
        let file_path = file_context.buffer.read(cx).project_path(cx)?;
        if path == &file_path {
            Some(FileInclusion::Direct)
@@ -456,8 +576,17 @@ impl FileInclusion {
        }
    }

+    fn check_image(image_context: &ImageContext, path: &ProjectPath) -> Option<Self> {
+        let image_path = image_context.project_path.as_ref()?;
+        if path == image_path {
+            Some(FileInclusion::Direct)
+        } else {
+            None
+        }
+    }
+
    fn check_directory(
-        directory_context: &DirectoryContext,
+        directory_context: &DirectoryContextHandle,
        path: &ProjectPath,
        project: &Project,
        cx: &App,
--- a/crates/agent/src/context_strip.rs
+++ b/crates/agent/src/context_strip.rs
@@ -1,6 +1,7 @@
 use std::path::Path;
 use std::rc::Rc;

+use assistant_context_editor::AssistantContext;
 use collections::HashSet;
 use editor::Editor;
 use file_icons::FileIcons;
@@ -11,17 +12,17 @@ use gpui::{
 use itertools::Itertools;
 use language::Buffer;
 use project::ProjectItem;
-use ui::{KeyBinding, PopoverMenu, PopoverMenuHandle, Tooltip, prelude::*};
+use ui::{PopoverMenu, PopoverMenuHandle, Tooltip, prelude::*};
 use workspace::Workspace;

-use crate::context::{AgentContext, ContextKind};
+use crate::context::{AgentContextHandle, ContextKind};
 use crate::context_picker::ContextPicker;
 use crate::context_store::ContextStore;
 use crate::thread::Thread;
-use crate::thread_store::ThreadStore;
+use crate::thread_store::{TextThreadStore, ThreadStore};
 use crate::ui::{AddedContext, ContextPill};
 use crate::{
-    AcceptSuggestedContext, AssistantPanel, FocusDown, FocusLeft, FocusRight, FocusUp,
+    AcceptSuggestedContext, AgentPanel, FocusDown, FocusLeft, FocusRight, FocusUp,
    RemoveAllContext, RemoveFocusedContext, ToggleContextPicker,
 };

@@ -43,6 +44,7 @@ impl ContextStrip {
        context_store: Entity<ContextStore>,
        workspace: WeakEntity<Workspace>,
        thread_store: Option<WeakEntity<ThreadStore>>,
+        text_thread_store: Option<WeakEntity<TextThreadStore>>,
        context_picker_menu_handle: PopoverMenuHandle<ContextPicker>,
        suggest_context_kind: SuggestContextKind,
        window: &mut Window,
@@ -52,6 +54,7 @@ impl ContextStrip {
            ContextPicker::new(
                workspace.clone(),
                thread_store.clone(),
+                text_thread_store,
                context_store.downgrade(),
                window,
                cx,
@@ -92,7 +95,9 @@ impl ContextStrip {
            self.context_store
                .read(cx)
                .context()
-                .flat_map(|context| AddedContext::new(context.clone(), prompt_store, project, cx))
+                .flat_map(|context| {
+                    AddedContext::new_pending(context.clone(), prompt_store, project, cx)
+                })
                .collect::<Vec<_>>()
        } else {
            Vec::new()
@@ -139,27 +144,42 @@ impl ContextStrip {
        }

        let workspace = self.workspace.upgrade()?;
-        let active_thread = workspace
-            .read(cx)
-            .panel::<AssistantPanel>(cx)?
-            .read(cx)
-            .active_thread(cx);
-        let weak_active_thread = active_thread.downgrade();
+        let panel = workspace.read(cx).panel::<AgentPanel>(cx)?.read(cx);

-        let active_thread = active_thread.read(cx);
+        if let Some(active_thread) = panel.active_thread() {
+            let weak_active_thread = active_thread.downgrade();

-        if self
-            .context_store
-            .read(cx)
-            .includes_thread(active_thread.id())
-        {
-            return None;
+            let active_thread = active_thread.read(cx);
+
+            if self
+                .context_store
+                .read(cx)
+                .includes_thread(active_thread.id())
+            {
+                return None;
+            }
+
+            Some(SuggestedContext::Thread {
+                name: active_thread.summary_or_default(),
+                thread: weak_active_thread,
+            })
+        } else if let Some(active_context_editor) = panel.active_context_editor() {
+            let context = active_context_editor.read(cx).context();
+            let weak_context = context.downgrade();
+            let context = context.read(cx);
+            let path = context.path()?;
+
+            if self.context_store.read(cx).includes_text_thread(path) {
+                return None;
+            }
+
+            Some(SuggestedContext::TextThread {
+                name: context.summary_or_default(),
+                context: weak_context,
+            })
+        } else {
+            None
        }
-
-        Some(SuggestedContext::Thread {
-            name: active_thread.summary_or_default(),
-            thread: weak_active_thread,
-        })
    }

    fn handle_context_picker_event(
@@ -288,7 +308,7 @@ impl ContextStrip {
        best.map(|(index, _, _)| index)
    }

-    fn open_context(&mut self, context: &AgentContext, window: &mut Window, cx: &mut App) {
+    fn open_context(&mut self, context: &AgentContextHandle, window: &mut Window, cx: &mut App) {
        let Some(workspace) = self.workspace.upgrade() else {
            return;
        };
@@ -309,7 +329,7 @@ impl ContextStrip {
            };

            self.context_store.update(cx, |this, cx| {
-                this.remove_context(&context.context, cx);
+                this.remove_context(&context.handle, cx);
            });

            let is_now_empty = added_contexts.len() == 1;
@@ -355,7 +375,7 @@ impl Focusable for ContextStrip {
 }

 impl Render for ContextStrip {
-    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
        let context_picker = self.context_picker.clone();
        let focus_handle = self.focus_handle.clone();

@@ -432,37 +452,13 @@ impl Render for ContextStrip {
                    })
                    .with_handle(self.context_picker_menu_handle.clone()),
            )
-            .when(no_added_context && suggested_context.is_none(), {
-                |parent| {
-                    parent.child(
-                        h_flex()
-                            .ml_1p5()
-                            .gap_2()
-                            .child(
-                                Label::new("Add Context")
-                                    .size(LabelSize::Small)
-                                    .color(Color::Muted),
-                            )
-                            .opacity(0.5)
-                            .children(
-                                KeyBinding::for_action_in(
-                                    &ToggleContextPicker,
-                                    &focus_handle,
-                                    window,
-                                    cx,
-                                )
-                                .map(|binding| binding.into_any_element()),
-                            ),
-                    )
-                }
-            })
            .children(
                added_contexts
                    .into_iter()
                    .enumerate()
                    .map(|(i, added_context)| {
                        let name = added_context.name.clone();
-                        let context = added_context.context.clone();
+                        let context = added_context.handle.clone();
                        ContextPill::added(
                            added_context,
                            dupe_names.contains(&name),
@@ -560,6 +556,10 @@ pub enum SuggestedContext {
        name: SharedString,
        thread: WeakEntity<Thread>,
    },
+    TextThread {
+        name: SharedString,
+        context: WeakEntity<AssistantContext>,
+    },
 }

 impl SuggestedContext {
@@ -567,6 +567,7 @@ impl SuggestedContext {
        match self {
            Self::File { name, .. } => name,
            Self::Thread { name, .. } => name,
+            Self::TextThread { name, .. } => name,
        }
    }

@@ -574,6 +575,7 @@ impl SuggestedContext {
        match self {
            Self::File { icon_path, .. } => icon_path.clone(),
            Self::Thread { .. } => None,
+            Self::TextThread { .. } => None,
        }
    }

@@ -581,6 +583,7 @@ impl SuggestedContext {
        match self {
            Self::File { .. } => ContextKind::File,
            Self::Thread { .. } => ContextKind::Thread,
+            Self::TextThread { .. } => ContextKind::TextThread,
        }
    }
 }
--- a/crates/agent/src/debug.rs
+++ b/crates/agent/src/debug.rs
@@ -0,0 +1,124 @@
+#![allow(unused, dead_code)]
+
+use gpui::Global;
+use language_model::RequestUsage;
+use std::ops::{Deref, DerefMut};
+use ui::prelude::*;
+use zed_llm_client::{Plan, UsageLimit};
+
+/// Debug only: Used for testing various account states
+///
+/// Use this by initializing it with
+/// `cx.set_global(DebugAccountState::default());` somewhere
+///
+/// Then call `cx.debug_account()` to get access
+#[derive(Clone, Debug)]
+pub struct DebugAccountState {
+    pub enabled: bool,
+    pub trial_expired: bool,
+    pub plan: Plan,
+    pub custom_prompt_usage: RequestUsage,
+    pub usage_based_billing_enabled: bool,
+    pub monthly_spending_cap: i32,
+    pub custom_edit_prediction_usage: UsageLimit,
+}
+
+impl DebugAccountState {
+    pub fn enabled(&self) -> bool {
+        self.enabled
+    }
+
+    pub fn set_enabled(&mut self, enabled: bool) -> &mut Self {
+        self.enabled = enabled;
+        self
+    }
+
+    pub fn set_trial_expired(&mut self, trial_expired: bool) -> &mut Self {
+        self.trial_expired = trial_expired;
+        self
+    }
+
+    pub fn set_plan(&mut self, plan: Plan) -> &mut Self {
+        self.plan = plan;
+        self
+    }
+
+    pub fn set_custom_prompt_usage(&mut self, custom_prompt_usage: RequestUsage) -> &mut Self {
+        self.custom_prompt_usage = custom_prompt_usage;
+        self
+    }
+
+    pub fn set_usage_based_billing_enabled(
+        &mut self,
+        usage_based_billing_enabled: bool,
+    ) -> &mut Self {
+        self.usage_based_billing_enabled = usage_based_billing_enabled;
+        self
+    }
+
+    pub fn set_monthly_spending_cap(&mut self, monthly_spending_cap: i32) -> &mut Self {
+        self.monthly_spending_cap = monthly_spending_cap;
+        self
+    }
+
+    pub fn set_custom_edit_prediction_usage(
+        &mut self,
+        custom_edit_prediction_usage: UsageLimit,
+    ) -> &mut Self {
+        self.custom_edit_prediction_usage = custom_edit_prediction_usage;
+        self
+    }
+}
+
+impl Default for DebugAccountState {
+    fn default() -> Self {
+        Self {
+            enabled: false,
+            trial_expired: false,
+            plan: Plan::Free,
+            custom_prompt_usage: RequestUsage {
+                limit: UsageLimit::Unlimited,
+                amount: 0,
+            },
+            usage_based_billing_enabled: false,
+            // $50.00
+            monthly_spending_cap: 5000,
+            custom_edit_prediction_usage: UsageLimit::Unlimited,
+        }
+    }
+}
+
+impl DebugAccountState {
+    pub fn get_global(cx: &App) -> &Self {
+        &cx.global::<GlobalDebugAccountState>().0
+    }
+}
+
+#[derive(Clone, Debug)]
+pub struct GlobalDebugAccountState(pub DebugAccountState);
+
+impl Global for GlobalDebugAccountState {}
+
+impl Deref for GlobalDebugAccountState {
+    type Target = DebugAccountState;
+
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+impl DerefMut for GlobalDebugAccountState {
+    fn deref_mut(&mut self) -> &mut Self::Target {
+        &mut self.0
+    }
+}
+
+pub trait DebugAccount {
+    fn debug_account(&self) -> &DebugAccountState;
+}
+
+impl DebugAccount for App {
+    fn debug_account(&self) -> &DebugAccountState {
+        &self.global::<GlobalDebugAccountState>().0
+    }
+}
--- a/crates/agent/src/history_store.rs
+++ b/crates/agent/src/history_store.rs
@@ -1,10 +1,27 @@
-use assistant_context_editor::SavedContextMetadata;
+use std::{collections::VecDeque, path::Path};
+
+use anyhow::{Context as _, anyhow};
+use assistant_context_editor::{AssistantContext, SavedContextMetadata};
 use chrono::{DateTime, Utc};
-use gpui::{Entity, prelude::*};
+use futures::future::{TryFutureExt as _, join_all};
+use gpui::{Entity, Task, prelude::*};
+use serde::{Deserialize, Serialize};
+use smol::future::FutureExt;
+use std::time::Duration;
+use ui::{App, SharedString, Window};
+use util::ResultExt as _;

-use crate::thread_store::{SerializedThreadMetadata, ThreadStore};
+use crate::{
+    Thread,
+    thread::ThreadId,
+    thread_store::{SerializedThreadMetadata, ThreadStore},
+};

-#[derive(Debug)]
+const MAX_RECENTLY_OPENED_ENTRIES: usize = 6;
+const NAVIGATION_HISTORY_PATH: &str = "agent-navigation-history.json";
+const SAVE_RECENTLY_OPENED_ENTRIES_DEBOUNCE: Duration = Duration::from_millis(50);
+
+#[derive(Clone, Debug)]
 pub enum HistoryEntry {
    Thread(SerializedThreadMetadata),
    Context(SavedContextMetadata),
@@ -19,16 +36,53 @@ impl HistoryEntry {
    }
 }

+#[derive(Clone, Debug)]
+pub(crate) enum RecentEntry {
+    Thread(ThreadId, Entity<Thread>),
+    Context(Entity<AssistantContext>),
+}
+
+impl PartialEq for RecentEntry {
+    fn eq(&self, other: &Self) -> bool {
+        match (self, other) {
+            (Self::Thread(l0, _), Self::Thread(r0, _)) => l0 == r0,
+            (Self::Context(l0), Self::Context(r0)) => l0 == r0,
+            _ => false,
+        }
+    }
+}
+
+impl Eq for RecentEntry {}
+
+impl RecentEntry {
+    pub(crate) fn summary(&self, cx: &App) -> SharedString {
+        match self {
+            RecentEntry::Thread(_, thread) => thread.read(cx).summary_or_default(),
+            RecentEntry::Context(context) => context.read(cx).summary_or_default(),
+        }
+    }
+}
+
+#[derive(Serialize, Deserialize)]
+enum SerializedRecentEntry {
+    Thread(String),
+    Context(String),
+}
+
 pub struct HistoryStore {
    thread_store: Entity<ThreadStore>,
    context_store: Entity<assistant_context_editor::ContextStore>,
+    recently_opened_entries: VecDeque<RecentEntry>,
    _subscriptions: Vec<gpui::Subscription>,
+    _save_recently_opened_entries_task: Task<()>,
 }

 impl HistoryStore {
    pub fn new(
        thread_store: Entity<ThreadStore>,
        context_store: Entity<assistant_context_editor::ContextStore>,
+        initial_recent_entries: impl IntoIterator<Item = RecentEntry>,
+        window: &mut Window,
        cx: &mut Context<Self>,
    ) -> Self {
        let subscriptions = vec![
@@ -36,10 +90,69 @@ impl HistoryStore {
            cx.observe(&context_store, |_, _, cx| cx.notify()),
        ];

+        window
+            .spawn(cx, {
+                let thread_store = thread_store.downgrade();
+                let context_store = context_store.downgrade();
+                let this = cx.weak_entity();
+                async move |cx| {
+                    let path = paths::data_dir().join(NAVIGATION_HISTORY_PATH);
+                    let contents = cx
+                        .background_spawn(async move { std::fs::read_to_string(path) })
+                        .await
+                        .ok()?;
+                    let entries = serde_json::from_str::<Vec<SerializedRecentEntry>>(&contents)
+                        .context("deserializing persisted agent panel navigation history")
+                        .log_err()?
+                        .into_iter()
+                        .take(MAX_RECENTLY_OPENED_ENTRIES)
+                        .map(|serialized| match serialized {
+                            SerializedRecentEntry::Thread(id) => thread_store
+                                .update_in(cx, |thread_store, window, cx| {
+                                    let thread_id = ThreadId::from(id.as_str());
+                                    thread_store
+                                        .open_thread(&thread_id, window, cx)
+                                        .map_ok(|thread| RecentEntry::Thread(thread_id, thread))
+                                        .boxed()
+                                })
+                                .unwrap_or_else(|_| {
+                                    async { Err(anyhow!("no thread store")) }.boxed()
+                                }),
+                            SerializedRecentEntry::Context(id) => context_store
+                                .update(cx, |context_store, cx| {
+                                    context_store
+                                        .open_local_context(Path::new(&id).into(), cx)
+                                        .map_ok(RecentEntry::Context)
+                                        .boxed()
+                                })
+                                .unwrap_or_else(|_| {
+                                    async { Err(anyhow!("no context store")) }.boxed()
+                                }),
+                        });
+                    let entries = join_all(entries)
+                        .await
+                        .into_iter()
+                        .filter_map(|result| result.log_err())
+                        .collect::<VecDeque<_>>();
+
+                    this.update(cx, |this, _| {
+                        this.recently_opened_entries.extend(entries);
+                        this.recently_opened_entries
+                            .truncate(MAX_RECENTLY_OPENED_ENTRIES);
+                    })
+                    .ok();
+
+                    Some(())
+                }
+            })
+            .detach();
+
        Self {
            thread_store,
            context_store,
+            recently_opened_entries: initial_recent_entries.into_iter().collect(),
            _subscriptions: subscriptions,
+            _save_recently_opened_entries_task: Task::ready(()),
        }
    }

@@ -58,7 +171,10 @@ impl HistoryStore {
            history_entries.push(HistoryEntry::Thread(thread));
        }

-        for context in self.context_store.update(cx, |this, _cx| this.contexts()) {
+        for context in self
+            .context_store
+            .update(cx, |this, _cx| this.reverse_chronological_contexts())
+        {
            history_entries.push(HistoryEntry::Context(context));
        }

@@ -69,4 +185,63 @@ impl HistoryStore {
    pub fn recent_entries(&self, limit: usize, cx: &mut Context<Self>) -> Vec<HistoryEntry> {
        self.entries(cx).into_iter().take(limit).collect()
    }
+
+    fn save_recently_opened_entries(&mut self, cx: &mut Context<Self>) {
+        let serialized_entries = self
+            .recently_opened_entries
+            .iter()
+            .filter_map(|entry| match entry {
+                RecentEntry::Context(context) => Some(SerializedRecentEntry::Context(
+                    context.read(cx).path()?.to_str()?.to_owned(),
+                )),
+                RecentEntry::Thread(id, _) => Some(SerializedRecentEntry::Thread(id.to_string())),
+            })
+            .collect::<Vec<_>>();
+
+        self._save_recently_opened_entries_task = cx.spawn(async move |_, cx| {
+            cx.background_executor()
+                .timer(SAVE_RECENTLY_OPENED_ENTRIES_DEBOUNCE)
+                .await;
+            cx.background_spawn(async move {
+                let path = paths::data_dir().join(NAVIGATION_HISTORY_PATH);
+                let content = serde_json::to_string(&serialized_entries)?;
+                std::fs::write(path, content)?;
+                anyhow::Ok(())
+            })
+            .await
+            .log_err();
+        });
+    }
+
+    pub fn push_recently_opened_entry(&mut self, entry: RecentEntry, cx: &mut Context<Self>) {
+        self.recently_opened_entries
+            .retain(|old_entry| old_entry != &entry);
+        self.recently_opened_entries.push_front(entry);
+        self.recently_opened_entries
+            .truncate(MAX_RECENTLY_OPENED_ENTRIES);
+        self.save_recently_opened_entries(cx);
+    }
+
+    pub fn remove_recently_opened_thread(&mut self, id: ThreadId, cx: &mut Context<Self>) {
+        self.recently_opened_entries.retain(|entry| match entry {
+            RecentEntry::Thread(thread_id, _) if thread_id == &id => false,
+            _ => true,
+        });
+        self.save_recently_opened_entries(cx);
+    }
+
+    pub fn remove_recently_opened_entry(&mut self, entry: &RecentEntry, cx: &mut Context<Self>) {
+        self.recently_opened_entries
+            .retain(|old_entry| old_entry != entry);
+        self.save_recently_opened_entries(cx);
+    }
+
+    pub fn recently_opened_entries(&self, _cx: &mut Context<Self>) -> VecDeque<RecentEntry> {
+        #[cfg(debug_assertions)]
+        if std::env::var("ZED_SIMULATE_NO_THREAD_HISTORY").is_ok() {
+            return VecDeque::new();
+        }
+
+        self.recently_opened_entries.clone()
+    }
 }
--- a/crates/agent/src/inline_assistant.rs
+++ b/crates/agent/src/inline_assistant.rs
@@ -8,16 +8,16 @@ use anyhow::{Context as _, Result};
 use assistant_settings::AssistantSettings;
 use client::telemetry::Telemetry;
 use collections::{HashMap, HashSet, VecDeque, hash_map};
+use editor::display_map::EditorMargins;
 use editor::{
    Anchor, AnchorRangeExt, CodeActionProvider, Editor, EditorEvent, ExcerptId, ExcerptRange,
-    GutterDimensions, MultiBuffer, MultiBufferSnapshot, ToOffset as _, ToPoint,
+    MultiBuffer, MultiBufferSnapshot, ToOffset as _, ToPoint,
    actions::SelectAll,
    display_map::{
        BlockContext, BlockPlacement, BlockProperties, BlockStyle, CustomBlockId, RenderBlock,
        ToDisplayPoint,
    },
 };
-use feature_flags::{Assistant2FeatureFlag, FeatureFlagViewExt as _};
 use fs::Fs;
 use gpui::{
    App, Context, Entity, Focusable, Global, HighlightStyle, Subscription, Task, UpdateGlobal,
@@ -43,12 +43,12 @@ use util::ResultExt;
 use workspace::{ItemHandle, Toast, Workspace, dock::Panel, notifications::NotificationId};
 use zed_actions::agent::OpenConfiguration;

-use crate::AssistantPanel;
-use crate::batch_assist::BatchAssistToolbarItem;
+use crate::AgentPanel;
 use crate::buffer_codegen::{BufferCodegen, CodegenAlternative, CodegenEvent};
 use crate::context_store::ContextStore;
 use crate::inline_prompt_editor::{CodegenStatus, InlineAssistId, PromptEditor, PromptEditorEvent};
 use crate::terminal_inline_assistant::TerminalInlineAssistant;
+use crate::thread_store::TextThreadStore;
 use crate::thread_store::ThreadStore;

 pub fn init(
@@ -66,15 +66,6 @@ pub fn init(
        InlineAssistant::update_global(cx, |inline_assistant, cx| {
            inline_assistant.register_workspace(&workspace, window, cx)
        });
-
-        cx.observe_flag::<Assistant2FeatureFlag, _>(window, {
-            |is_assistant2_enabled, _workspace, _window, cx| {
-                InlineAssistant::update_global(cx, |inline_assistant, _cx| {
-                    inline_assistant.is_assistant2_enabled = is_assistant2_enabled;
-                });
-            }
-        })
-        .detach();
    })
    .detach();
 }
@@ -97,7 +88,6 @@ pub struct InlineAssistant {
    prompt_builder: Arc<PromptBuilder>,
    telemetry: Arc<Telemetry>,
    fs: Arc<dyn Fs>,
-    is_assistant2_enabled: bool,
 }

 impl Global for InlineAssistant {}
@@ -119,7 +109,6 @@ impl InlineAssistant {
            prompt_builder,
            telemetry,
            fs,
-            is_assistant2_enabled: false,
        }
    }

@@ -188,21 +177,24 @@ impl InlineAssistant {
        window: &mut Window,
        cx: &mut App,
    ) {
-        let is_assistant2_enabled = self.is_assistant2_enabled;
+        let is_assistant2_enabled = true;

        if let Some(editor) = item.act_as::<Editor>(cx) {
            editor.update(cx, |editor, cx| {
                if is_assistant2_enabled {
-                    let thread_store = workspace
-                        .read(cx)
-                        .panel::<AssistantPanel>(cx)
-                        .map(|assistant_panel| assistant_panel.read(cx).thread_store().downgrade());
+                    let panel = workspace.read(cx).panel::<AgentPanel>(cx);
+                    let thread_store = panel
+                        .as_ref()
+                        .map(|agent_panel| agent_panel.read(cx).thread_store().downgrade());
+                    let text_thread_store = panel
+                        .map(|agent_panel| agent_panel.read(cx).text_thread_store().downgrade());

                    editor.add_code_action_provider(
                        Rc::new(AssistantCodeActionProvider {
                            editor: cx.entity().downgrade(),
                            workspace: workspace.downgrade(),
                            thread_store,
+                            text_thread_store,
                        }),
                        window,
                        cx,
@@ -223,7 +215,7 @@ impl InlineAssistant {

    pub fn inline_assist(
        workspace: &mut Workspace,
-        _action: &zed_actions::assistant::InlineAssist,
+        action: &zed_actions::assistant::InlineAssist,
        window: &mut Window,
        cx: &mut Context<Workspace>,
    ) {
@@ -234,7 +226,7 @@ impl InlineAssistant {

        let Some(inline_assist_target) = Self::resolve_inline_assist_target(
            workspace,
-            workspace.panel::<AssistantPanel>(cx),
+            workspace.panel::<AgentPanel>(cx),
            window,
            cx,
        ) else {
@@ -247,13 +239,15 @@ impl InlineAssistant {
                .map_or(false, |model| model.provider.is_authenticated(cx))
        };

-        let assistant_panel = workspace
-            .panel::<AssistantPanel>(cx)
-            .map(|assistant_panel| assistant_panel.read(cx));
-        let prompt_store = assistant_panel
-            .and_then(|assistant_panel| assistant_panel.prompt_store().as_ref().cloned());
-        let thread_store =
-            assistant_panel.map(|assistant_panel| assistant_panel.thread_store().downgrade());
+        let Some(agent_panel) = workspace.panel::<AgentPanel>(cx) else {
+            return;
+        };
+        let agent_panel = agent_panel.read(cx);
+
+        let prompt_store = agent_panel.prompt_store().as_ref().cloned();
+        let thread_store = Some(agent_panel.thread_store().downgrade());
+        let text_thread_store = Some(agent_panel.text_thread_store().downgrade());
+        let context_store = agent_panel.inline_assist_context_store().clone();

        let handle_assist =
            |window: &mut Window, cx: &mut Context<Workspace>| match inline_assist_target {
@@ -262,9 +256,12 @@ impl InlineAssistant {
                        assistant.assist(
                            &active_editor,
                            cx.entity().downgrade(),
+                            context_store,
                            workspace.project().downgrade(),
                            prompt_store,
                            thread_store,
+                            text_thread_store,
+                            action.prompt.clone(),
                            window,
                            cx,
                        )
@@ -278,6 +275,8 @@ impl InlineAssistant {
                            workspace.project().downgrade(),
                            prompt_store,
                            thread_store,
+                            text_thread_store,
+                            action.prompt.clone(),
                            window,
                            cx,
                        )
@@ -330,43 +329,21 @@ impl InlineAssistant {
        &mut self,
        editor: &Entity<Editor>,
        workspace: WeakEntity<Workspace>,
+        context_store: Entity<ContextStore>,
        project: WeakEntity<Project>,
        prompt_store: Option<Entity<PromptStore>>,
        thread_store: Option<WeakEntity<ThreadStore>>,
+        text_thread_store: Option<WeakEntity<TextThreadStore>>,
+        initial_prompt: Option<String>,
        window: &mut Window,
        cx: &mut App,
    ) {
-        // if there's multiple selections
-        // find the pane containing this editor, grab the assist toolbar off it, show it
-
        let (snapshot, initial_selections) = editor.update(cx, |editor, cx| {
            (
                editor.snapshot(window, cx),
                editor.selections.all::<Point>(cx),
            )
        });
-        if initial_selections.len() > 1 {
-            cx.defer(move |cx| {
-                let assist = workspace
-                    .update(cx, |workspace, cx| {
-                        workspace
-                            .active_pane()
-                            .read(cx)
-                            .toolbar()
-                            .read(cx)
-                            .item_of_type::<BatchAssistToolbarItem>()
-                    })
-                    .ok()
-                    .flatten();
-                let Some(assist) = assist else {
-                    dbg!("oops");
-                    return;
-                };
-
-                assist.update(cx, |assist, cx| assist.deploy(cx));
-            });
-            return;
-        }

        let mut selections = Vec::<Selection<Point>>::new();
        let mut newest_selection = None;
@@ -456,15 +433,17 @@ impl InlineAssistant {
        }

        let assist_group_id = self.next_assist_group_id.post_inc();
-        let prompt_buffer =
-            cx.new(|cx| MultiBuffer::singleton(cx.new(|cx| Buffer::local(String::new(), cx)), cx));
+        let prompt_buffer = cx.new(|cx| {
+            MultiBuffer::singleton(
+                cx.new(|cx| Buffer::local(initial_prompt.unwrap_or_default(), cx)),
+                cx,
+            )
+        });

        let mut assists = Vec::new();
        let mut assist_to_focus = None;
        for range in codegen_ranges {
            let assist_id = self.next_assist_id.post_inc();
-            let context_store =
-                cx.new(|_cx| ContextStore::new(project.clone(), thread_store.clone()));
            let codegen = cx.new(|cx| {
                BufferCodegen::new(
                    editor.read(cx).buffer().clone(),
@@ -479,18 +458,19 @@ impl InlineAssistant {
                )
            });

-            let gutter_dimensions = Arc::new(Mutex::new(GutterDimensions::default()));
+            let editor_margins = Arc::new(Mutex::new(EditorMargins::default()));
            let prompt_editor = cx.new(|cx| {
                PromptEditor::new_buffer(
                    assist_id,
-                    gutter_dimensions.clone(),
+                    editor_margins,
                    self.prompt_history.clone(),
                    prompt_buffer.clone(),
                    codegen.clone(),
                    self.fs.clone(),
-                    context_store,
+                    context_store.clone(),
                    workspace.clone(),
                    thread_store.clone(),
+                    text_thread_store.clone(),
                    window,
                    cx,
                )
@@ -563,6 +543,7 @@ impl InlineAssistant {
        workspace: Entity<Workspace>,
        prompt_store: Option<Entity<PromptStore>>,
        thread_store: Option<WeakEntity<ThreadStore>>,
+        text_thread_store: Option<WeakEntity<TextThreadStore>>,
        window: &mut Window,
        cx: &mut App,
    ) -> InlineAssistId {
@@ -596,11 +577,11 @@ impl InlineAssistant {
            )
        });

-        let gutter_dimensions = Arc::new(Mutex::new(GutterDimensions::default()));
+        let editor_margins = Arc::new(Mutex::new(EditorMargins::default()));
        let prompt_editor = cx.new(|cx| {
            PromptEditor::new_buffer(
                assist_id,
-                gutter_dimensions.clone(),
+                editor_margins,
                self.prompt_history.clone(),
                prompt_buffer.clone(),
                codegen.clone(),
@@ -608,6 +589,7 @@ impl InlineAssistant {
                context_store,
                workspace.downgrade(),
                thread_store,
+                text_thread_store,
                window,
                cx,
            )
@@ -668,6 +650,7 @@ impl InlineAssistant {
                height: Some(prompt_editor_height),
                render: build_assist_editor_renderer(prompt_editor),
                priority: 0,
+                render_in_minimap: false,
            },
            BlockProperties {
                style: BlockStyle::Sticky,
@@ -682,6 +665,7 @@ impl InlineAssistant {
                        .into_any_element()
                }),
                priority: 0,
+                render_in_minimap: false,
            },
        ];

@@ -1225,6 +1209,7 @@ impl InlineAssistant {
    ) -> Vec<InlineAssistId> {
        let assist_group = self.assist_groups.get_mut(&assist_group_id).unwrap();
        assist_group.linked = false;
+
        for assist_id in &assist_group.assist_ids {
            let assist = self.assists.get_mut(assist_id).unwrap();
            if let Some(editor_decorations) = assist.decorations.as_ref() {
@@ -1422,11 +1407,11 @@ impl InlineAssistant {

                    enum DeletedLines {}
                    let mut editor = Editor::for_multibuffer(multi_buffer, None, window, cx);
+                    editor.disable_scrollbars_and_minimap(cx);
                    editor.set_soft_wrap_mode(language::language_settings::SoftWrap::None, cx);
                    editor.set_show_wrap_guides(false, cx);
                    editor.set_show_gutter(false, cx);
                    editor.scroll_manager.set_forbid_vertical_scroll(true);
-                    editor.set_show_scrollbars(false, cx);
                    editor.set_read_only(true);
                    editor.set_show_edit_predictions(Some(false), window, cx);
                    editor.highlight_rows::<DeletedLines>(
@@ -1450,11 +1435,12 @@ impl InlineAssistant {
                            .bg(cx.theme().status().deleted_background)
                            .size_full()
                            .h(height as f32 * cx.window.line_height())
-                            .pl(cx.gutter_dimensions.full_width())
+                            .pl(cx.margins.gutter.full_width())
                            .child(deleted_lines_editor.clone())
                            .into_any_element()
                    }),
                    priority: 0,
+                    render_in_minimap: false,
                });
            }

@@ -1467,7 +1453,7 @@ impl InlineAssistant {

    fn resolve_inline_assist_target(
        workspace: &mut Workspace,
-        assistant_panel: Option<Entity<AssistantPanel>>,
+        agent_panel: Option<Entity<AgentPanel>>,
        window: &mut Window,
        cx: &mut App,
    ) -> Option<InlineAssistTarget> {
@@ -1487,7 +1473,7 @@ impl InlineAssistant {
            }
        }

-        let context_editor = assistant_panel
+        let context_editor = agent_panel
            .and_then(|panel| panel.read(cx).active_context_editor())
            .and_then(|editor| {
                let editor = &editor.read(cx).editor().clone();
@@ -1612,9 +1598,9 @@ fn build_assist_editor_renderer(editor: &Entity<PromptEditor<BufferCodegen>>) ->
    let editor = editor.clone();

    Arc::new(move |cx: &mut BlockContext| {
-        let gutter_dimensions = editor.read(cx).gutter_dimensions();
+        let editor_margins = editor.read(cx).editor_margins();

-        *gutter_dimensions.lock() = *cx.gutter_dimensions;
+        *editor_margins.lock() = *cx.margins;
        editor.clone().into_any_element()
    })
 }
@@ -1754,6 +1740,7 @@ struct AssistantCodeActionProvider {
    editor: WeakEntity<Editor>,
    workspace: WeakEntity<Workspace>,
    thread_store: Option<WeakEntity<ThreadStore>>,
+    text_thread_store: Option<WeakEntity<TextThreadStore>>,
 }

 const ASSISTANT_CODE_ACTION_PROVIDER_ID: &str = "assistant2";
@@ -1828,6 +1815,7 @@ impl CodeActionProvider for AssistantCodeActionProvider {
        let editor = self.editor.clone();
        let workspace = self.workspace.clone();
        let thread_store = self.thread_store.clone();
+        let text_thread_store = self.text_thread_store.clone();
        let prompt_store = PromptStore::global(cx);
        window.spawn(cx, async move |cx| {
            let workspace = workspace.upgrade().context("workspace was released")?;
@@ -1880,6 +1868,7 @@ impl CodeActionProvider for AssistantCodeActionProvider {
                    workspace,
                    prompt_store,
                    thread_store,
+                    text_thread_store,
                    window,
                    cx,
                );
--- a/crates/agent/src/inline_prompt_editor.rs
+++ b/crates/agent/src/inline_prompt_editor.rs
@@ -1,17 +1,19 @@
-use crate::assistant_model_selector::AssistantModelSelector;
-use crate::batch_assist::BatchCodegen;
+use crate::agent_model_selector::{AgentModelSelector, ModelType};
 use crate::buffer_codegen::BufferCodegen;
-use crate::context_picker::ContextPicker;
+use crate::context::ContextCreasesAddon;
+use crate::context_picker::{ContextPicker, ContextPickerCompletionProvider};
 use crate::context_store::ContextStore;
 use crate::context_strip::{ContextStrip, ContextStripEvent, SuggestContextKind};
+use crate::message_editor::{extract_message_creases, insert_message_creases};
 use crate::terminal_codegen::TerminalCodegen;
-use crate::thread_store::ThreadStore;
+use crate::thread_store::{TextThreadStore, ThreadStore};
 use crate::{CycleNextInlineAssist, CyclePreviousInlineAssist};
 use crate::{RemoveAllContext, ToggleContextPicker};
 use client::ErrorExt;
 use collections::VecDeque;
+use editor::display_map::EditorMargins;
 use editor::{
-    Editor, EditorElement, EditorEvent, EditorMode, EditorStyle, GutterDimensions, MultiBuffer,
+    ContextMenuOptions, Editor, EditorElement, EditorEvent, EditorMode, EditorStyle, MultiBuffer,
    actions::{MoveDown, MoveUp},
 };
 use feature_flags::{FeatureFlagAppExt as _, ZedProFeatureFlag};
@@ -21,7 +23,7 @@ use gpui::{
    Focusable, FontWeight, Subscription, TextStyle, WeakEntity, Window, anchored, deferred, point,
 };
 use language_model::{LanguageModel, LanguageModelRegistry};
-use language_model_selector::{ModelType, ToggleModelSelector};
+use language_model_selector::ToggleModelSelector;
 use parking_lot::Mutex;
 use settings::Settings;
 use std::cmp;
@@ -34,13 +36,13 @@ use ui::{
 use util::ResultExt;
 use workspace::Workspace;

-pub struct PromptEditor {
+pub struct PromptEditor<T> {
    pub editor: Entity<Editor>,
    mode: PromptEditorMode,
    context_store: Entity<ContextStore>,
    context_strip: Entity<ContextStrip>,
    context_picker_menu_handle: PopoverMenuHandle<ContextPicker>,
-    model_selector: Entity<AssistantModelSelector>,
+    model_selector: Entity<AgentModelSelector>,
    edited_since_done: bool,
    prompt_history: VecDeque<String>,
    prompt_history_ix: Option<usize>,
@@ -49,20 +51,23 @@ pub struct PromptEditor {
    editor_subscriptions: Vec<Subscription>,
    _context_strip_subscription: Subscription,
    show_rate_limit_notice: bool,
+    _phantom: std::marker::PhantomData<T>,
 }

-impl EventEmitter<PromptEditorEvent> for PromptEditor {}
+impl<T: 'static> EventEmitter<PromptEditorEvent> for PromptEditor<T> {}

-impl Render for PromptEditor {
+impl<T: 'static> Render for PromptEditor<T> {
    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
        let ui_font_size = ThemeSettings::get_global(cx).ui_font_size(cx);
        let mut buttons = Vec::new();

-        let left_gutter_width = match &self.mode {
+        const RIGHT_PADDING: Pixels = px(9.);
+
+        let (left_gutter_width, right_padding) = match &self.mode {
            PromptEditorMode::Buffer {
                id: _,
                codegen,
-                gutter_dimensions,
+                editor_margins,
            } => {
                let codegen = codegen.read(cx);

@@ -70,20 +75,22 @@ impl Render for PromptEditor {
                    buttons.push(self.render_cycle_controls(&codegen, cx));
                }

-                let gutter_dimensions = gutter_dimensions.lock();
+                let editor_margins = editor_margins.lock();
+                let gutter = editor_margins.gutter;

-                gutter_dimensions.full_width() + (gutter_dimensions.margin / 2.0)
+                let left_gutter_width = gutter.full_width() + (gutter.margin / 2.0);
+                let right_padding = editor_margins.right + RIGHT_PADDING;
+
+                (left_gutter_width, right_padding)
            }
-            PromptEditorMode::Batch { .. } => px(0.),
            PromptEditorMode::Terminal { .. } => {
                // Give the equivalent of the same left-padding that we're using on the right
-                Pixels::from(40.0)
+                (Pixels::from(40.0), Pixels::from(24.))
            }
        };

        let bottom_padding = match &self.mode {
            PromptEditorMode::Buffer { .. } => Pixels::from(0.),
-            PromptEditorMode::Batch { .. } => Pixels::from(0.),
            PromptEditorMode::Terminal { .. } => Pixels::from(8.0),
        };

@@ -99,7 +106,7 @@ impl Render for PromptEditor {
            .size_full()
            .pt_0p5()
            .pb(bottom_padding)
-            .pr_6()
+            .pr(right_padding)
            .child(
                h_flex()
                    .items_start()
@@ -210,19 +217,18 @@ impl Render for PromptEditor {
    }
 }

-impl Focusable for PromptEditor {
+impl<T: 'static> Focusable for PromptEditor<T> {
    fn focus_handle(&self, cx: &App) -> FocusHandle {
        self.editor.focus_handle(cx)
    }
 }

-impl PromptEditor {
+impl<T: 'static> PromptEditor<T> {
    const MAX_LINES: u8 = 8;

    fn codegen_status<'a>(&'a self, cx: &'a App) -> &'a CodegenStatus {
        match &self.mode {
            PromptEditorMode::Buffer { codegen, .. } => codegen.read(cx).status(cx),
-            PromptEditorMode::Batch { .. } => todo!(),
            PromptEditorMode::Terminal { codegen, .. } => &codegen.read(cx).status,
        }
    }
@@ -248,13 +254,22 @@ impl PromptEditor {

    pub fn unlink(&mut self, window: &mut Window, cx: &mut Context<Self>) {
        let prompt = self.prompt(cx);
+        let existing_creases = self.editor.update(cx, extract_message_creases);
+
        let focus = self.editor.focus_handle(cx).contains_focused(window, cx);
        self.editor = cx.new(|cx| {
            let mut editor = Editor::auto_height(Self::MAX_LINES as usize, window, cx);
            editor.set_soft_wrap_mode(language::language_settings::SoftWrap::EditorWidth, cx);
-            editor.set_placeholder_text(Self::placeholder_text(&self.mode, window, cx), cx);
            editor.set_placeholder_text("Add a prompt…", cx);
            editor.set_text(prompt, window, cx);
+            insert_message_creases(
+                &mut editor,
+                &existing_creases,
+                &self.context_store,
+                window,
+                cx,
+            );
+
            if focus {
                window.focus(&editor.focus_handle(cx));
            }
@@ -272,16 +287,15 @@ impl PromptEditor {
                    "Transform"
                }
            }
-            PromptEditorMode::Batch { .. } => "Transform",
            PromptEditorMode::Terminal { .. } => "Generate",
        };

-        let assistant_panel_keybinding =
+        let agent_panel_keybinding =
            ui::text_for_action(&zed_actions::assistant::ToggleFocus, window, cx)
                .map(|keybinding| format!("{keybinding} to chat ― "))
                .unwrap_or_default();

-        format!("{action}… ({assistant_panel_keybinding}↓↑ for history)")
+        format!("{action}… ({agent_panel_keybinding}↓↑ for history)")
    }

    pub fn prompt(&self, cx: &App) -> String {
@@ -452,7 +466,6 @@ impl PromptEditor {
                    GenerationMode::Transform
                }
            }
-            PromptEditorMode::Batch { .. } => GenerationMode::Transform,
            PromptEditorMode::Terminal { .. } => GenerationMode::Generate,
        };

@@ -540,9 +553,7 @@ impl PromptEditor {
                                }))
                                .into_any_element(),
                        ],
-                        PromptEditorMode::Buffer { .. } | PromptEditorMode::Batch { .. } => {
-                            vec![accept]
-                        }
+                        PromptEditorMode::Buffer { .. } => vec![accept],
                    }
                }
            }
@@ -559,9 +570,6 @@ impl PromptEditor {
            PromptEditorMode::Buffer { codegen, .. } => {
                codegen.update(cx, |codegen, cx| codegen.cycle_prev(cx));
            }
-            PromptEditorMode::Batch { .. } => {
-                todo!()
-            }
            PromptEditorMode::Terminal { .. } => {
                // no cycle buttons in terminal mode
            }
@@ -573,9 +581,6 @@ impl PromptEditor {
            PromptEditorMode::Buffer { codegen, .. } => {
                codegen.update(cx, |codegen, cx| codegen.cycle_next(cx));
            }
-            PromptEditorMode::Batch { .. } => {
-                todo!()
-            }
            PromptEditorMode::Terminal { .. } => {
                // no cycle buttons in terminal mode
            }
@@ -807,10 +812,7 @@ pub enum PromptEditorMode {
    Buffer {
        id: InlineAssistId,
        codegen: Entity<BufferCodegen>,
-        gutter_dimensions: Arc<Mutex<GutterDimensions>>,
-    },
-    Batch {
-        codegen: Entity<BatchCodegen>,
+        editor_margins: Arc<Mutex<EditorMargins>>,
    },
    Terminal {
        id: TerminalInlineAssistId,
@@ -839,10 +841,10 @@ impl InlineAssistId {
    }
 }

-impl PromptEditor {
+impl PromptEditor<BufferCodegen> {
    pub fn new_buffer(
        id: InlineAssistId,
-        gutter_dimensions: Arc<Mutex<GutterDimensions>>,
+        editor_margins: Arc<Mutex<EditorMargins>>,
        prompt_history: VecDeque<String>,
        prompt_buffer: Entity<MultiBuffer>,
        codegen: Entity<BufferCodegen>,
@@ -850,14 +852,16 @@ impl PromptEditor {
        context_store: Entity<ContextStore>,
        workspace: WeakEntity<Workspace>,
        thread_store: Option<WeakEntity<ThreadStore>>,
+        text_thread_store: Option<WeakEntity<TextThreadStore>>,
        window: &mut Window,
-        cx: &mut Context<PromptEditor>,
-    ) -> PromptEditor {
-        let codegen_subscription = cx.observe(&codegen, Self::handle_buffer_codegen_changed);
+        cx: &mut Context<PromptEditor<BufferCodegen>>,
+    ) -> PromptEditor<BufferCodegen> {
+        let codegen_subscription = cx.observe(&codegen, Self::handle_codegen_changed);
+        let codegen_buffer = codegen.read(cx).buffer(cx).read(cx).as_singleton();
        let mode = PromptEditorMode::Buffer {
            id,
            codegen,
-            gutter_dimensions,
+            editor_margins,
        };

        let prompt_editor = cx.new(|cx| {
@@ -876,8 +880,28 @@ impl PromptEditor {
            // typing in one will make what you typed appear in all of them.
            editor.set_show_cursor_when_unfocused(true, cx);
            editor.set_placeholder_text(Self::placeholder_text(&mode, window, cx), cx);
+            editor.register_addon(ContextCreasesAddon::new());
+            editor.set_context_menu_options(ContextMenuOptions {
+                min_entries_visible: 12,
+                max_entries_visible: 12,
+                placement: None,
+            });
+
            editor
        });
+
+        let prompt_editor_entity = prompt_editor.downgrade();
+        prompt_editor.update(cx, |editor, _| {
+            editor.set_completion_provider(Some(Box::new(ContextPickerCompletionProvider::new(
+                workspace.clone(),
+                context_store.downgrade(),
+                thread_store.clone(),
+                text_thread_store.clone(),
+                prompt_editor_entity,
+                codegen_buffer.as_ref().map(Entity::downgrade),
+            ))));
+        });
+
        let context_picker_menu_handle = PopoverMenuHandle::default();
        let model_selector_menu_handle = PopoverMenuHandle::default();

@@ -886,6 +910,7 @@ impl PromptEditor {
                context_store.clone(),
                workspace.clone(),
                thread_store.clone(),
+                text_thread_store.clone(),
                context_picker_menu_handle.clone(),
                SuggestContextKind::Thread,
                window,
@@ -896,13 +921,13 @@ impl PromptEditor {
        let context_strip_subscription =
            cx.subscribe_in(&context_strip, window, Self::handle_context_strip_event);

-        let mut this: PromptEditor = PromptEditor {
+        let mut this: PromptEditor<BufferCodegen> = PromptEditor {
            editor: prompt_editor.clone(),
            context_store,
            context_strip,
            context_picker_menu_handle,
            model_selector: cx.new(|cx| {
-                AssistantModelSelector::new(
+                AgentModelSelector::new(
                    fs,
                    model_selector_menu_handle,
                    prompt_editor.focus_handle(cx),
@@ -920,16 +945,17 @@ impl PromptEditor {
            _context_strip_subscription: context_strip_subscription,
            show_rate_limit_notice: false,
            mode,
+            _phantom: Default::default(),
        };

        this.subscribe_to_editor(window, cx);
        this
    }

-    fn handle_buffer_codegen_changed(
+    fn handle_codegen_changed(
        &mut self,
        _: Entity<BufferCodegen>,
-        cx: &mut Context<PromptEditor>,
+        cx: &mut Context<PromptEditor<BufferCodegen>>,
    ) {
        match self.codegen_status(cx) {
            CodegenStatus::Idle => {
@@ -964,7 +990,6 @@ impl PromptEditor {
    pub fn id(&self) -> InlineAssistId {
        match &self.mode {
            PromptEditorMode::Buffer { id, .. } => *id,
-            PromptEditorMode::Batch { .. } => unreachable!(),
            PromptEditorMode::Terminal { .. } => unreachable!(),
        }
    }
@@ -972,17 +997,13 @@ impl PromptEditor {
    pub fn codegen(&self) -> &Entity<BufferCodegen> {
        match &self.mode {
            PromptEditorMode::Buffer { codegen, .. } => codegen,
-            PromptEditorMode::Batch { .. } => unreachable!(),
            PromptEditorMode::Terminal { .. } => unreachable!(),
        }
    }

-    pub fn gutter_dimensions(&self) -> &Arc<Mutex<GutterDimensions>> {
+    pub fn editor_margins(&self) -> &Arc<Mutex<EditorMargins>> {
        match &self.mode {
-            PromptEditorMode::Buffer {
-                gutter_dimensions, ..
-            } => gutter_dimensions,
-            PromptEditorMode::Batch { .. } => unreachable!(),
+            PromptEditorMode::Buffer { editor_margins, .. } => editor_margins,
            PromptEditorMode::Terminal { .. } => unreachable!(),
        }
    }
@@ -999,7 +1020,7 @@ impl TerminalInlineAssistId {
    }
 }

-impl PromptEditor {
+impl PromptEditor<TerminalCodegen> {
    pub fn new_terminal(
        id: TerminalInlineAssistId,
        prompt_history: VecDeque<String>,
@@ -1009,10 +1030,11 @@ impl PromptEditor {
        context_store: Entity<ContextStore>,
        workspace: WeakEntity<Workspace>,
        thread_store: Option<WeakEntity<ThreadStore>>,
+        text_thread_store: Option<WeakEntity<TextThreadStore>>,
        window: &mut Window,
        cx: &mut Context<Self>,
    ) -> Self {
-        let codegen_subscription = cx.observe(&codegen, Self::handle_terminal_codegen_changed);
+        let codegen_subscription = cx.observe(&codegen, Self::handle_codegen_changed);
        let mode = PromptEditorMode::Terminal {
            id,
            codegen,
@@ -1031,8 +1053,26 @@ impl PromptEditor {
            );
            editor.set_soft_wrap_mode(language::language_settings::SoftWrap::EditorWidth, cx);
            editor.set_placeholder_text(Self::placeholder_text(&mode, window, cx), cx);
+            editor.set_context_menu_options(ContextMenuOptions {
+                min_entries_visible: 12,
+                max_entries_visible: 12,
+                placement: None,
+            });
            editor
        });
+
+        let prompt_editor_entity = prompt_editor.downgrade();
+        prompt_editor.update(cx, |editor, _| {
+            editor.set_completion_provider(Some(Box::new(ContextPickerCompletionProvider::new(
+                workspace.clone(),
+                context_store.downgrade(),
+                thread_store.clone(),
+                text_thread_store.clone(),
+                prompt_editor_entity,
+                None,
+            ))));
+        });
+
        let context_picker_menu_handle = PopoverMenuHandle::default();
        let model_selector_menu_handle = PopoverMenuHandle::default();

@@ -1041,6 +1081,7 @@ impl PromptEditor {
                context_store.clone(),
                workspace.clone(),
                thread_store.clone(),
+                text_thread_store.clone(),
                context_picker_menu_handle.clone(),
                SuggestContextKind::Thread,
                window,
@@ -1057,7 +1098,7 @@ impl PromptEditor {
            context_strip,
            context_picker_menu_handle,
            model_selector: cx.new(|cx| {
-                AssistantModelSelector::new(
+                AgentModelSelector::new(
                    fs,
                    model_selector_menu_handle.clone(),
                    prompt_editor.focus_handle(cx),
@@ -1075,6 +1116,7 @@ impl PromptEditor {
            _context_strip_subscription: context_strip_subscription,
            mode,
            show_rate_limit_notice: false,
+            _phantom: Default::default(),
        };
        this.count_lines(cx);
        this.subscribe_to_editor(window, cx);
@@ -1101,17 +1143,12 @@ impl PromptEditor {
                    cx.emit(PromptEditorEvent::Resized { height_in_lines });
                }
            }
-            PromptEditorMode::Batch { .. } => unreachable!(),
            PromptEditorMode::Buffer { .. } => unreachable!(),
        }
    }

-    fn handle_terminal_codegen_changed(
-        &mut self,
-        _: Entity<TerminalCodegen>,
-        cx: &mut Context<Self>,
-    ) {
-        match &self.terminal_codegen().read(cx).status {
+    fn handle_codegen_changed(&mut self, _: Entity<TerminalCodegen>, cx: &mut Context<Self>) {
+        match &self.codegen().read(cx).status {
            CodegenStatus::Idle => {
                self.editor
                    .update(cx, |editor, _| editor.set_read_only(false));
@@ -1128,18 +1165,16 @@ impl PromptEditor {
        }
    }

-    pub fn terminal_codegen(&self) -> &Entity<TerminalCodegen> {
+    pub fn codegen(&self) -> &Entity<TerminalCodegen> {
        match &self.mode {
            PromptEditorMode::Buffer { .. } => unreachable!(),
-            PromptEditorMode::Batch { .. } => unreachable!(),
            PromptEditorMode::Terminal { codegen, .. } => codegen,
        }
    }

-    pub fn terminal_inline_assist_id(&self) -> TerminalInlineAssistId {
+    pub fn id(&self) -> TerminalInlineAssistId {
        match &self.mode {
            PromptEditorMode::Buffer { .. } => unreachable!(),
-            PromptEditorMode::Batch { .. } => unreachable!(),
            PromptEditorMode::Terminal { id, .. } => *id,
        }
    }
--- a/crates/agent/src/message_editor.rs
+++ b/crates/agent/src/message_editor.rs
--- a/crates/agent/src/profile_selector.rs
+++ b/crates/agent/src/profile_selector.rs
@@ -1,31 +1,30 @@
-use std::sync::Arc;
-
-use assistant_settings::{AgentProfile, AgentProfileId, AssistantSettings};
-use fs::Fs;
+use assistant_settings::{
+    AgentProfile, AgentProfileId, AssistantDockPosition, AssistantSettings, GroupedAgentProfiles,
+    builtin_profiles,
+};
 use gpui::{Action, Entity, FocusHandle, Subscription, WeakEntity, prelude::*};
-use indexmap::IndexMap;
 use language_model::LanguageModelRegistry;
-use settings::{Settings as _, SettingsStore, update_settings_file};
+use settings::{Settings as _, SettingsStore};
 use ui::{
-    ButtonLike, ContextMenu, ContextMenuEntry, KeyBinding, PopoverMenu, PopoverMenuHandle, Tooltip,
+    ContextMenu, ContextMenuEntry, DocumentationSide, PopoverMenu, PopoverMenuHandle, Tooltip,
    prelude::*,
 };
 use util::ResultExt as _;

-use crate::{ManageProfiles, ThreadStore, ToggleProfileSelector};
+use crate::{ManageProfiles, Thread, ThreadStore, ToggleProfileSelector};

 pub struct ProfileSelector {
-    profiles: IndexMap<AgentProfileId, AgentProfile>,
-    fs: Arc<dyn Fs>,
+    profiles: GroupedAgentProfiles,
+    thread: Entity<Thread>,
    thread_store: WeakEntity<ThreadStore>,
-    focus_handle: FocusHandle,
    menu_handle: PopoverMenuHandle<ContextMenu>,
+    focus_handle: FocusHandle,
    _subscriptions: Vec<Subscription>,
 }

 impl ProfileSelector {
    pub fn new(
-        fs: Arc<dyn Fs>,
+        thread: Entity<Thread>,
        thread_store: WeakEntity<ThreadStore>,
        focus_handle: FocusHandle,
        cx: &mut Context<Self>,
@@ -34,17 +33,14 @@ impl ProfileSelector {
            this.refresh_profiles(cx);
        });

-        let mut this = Self {
-            profiles: IndexMap::default(),
-            fs,
+        Self {
+            profiles: GroupedAgentProfiles::from_settings(AssistantSettings::get_global(cx)),
+            thread,
            thread_store,
-            focus_handle,
            menu_handle: PopoverMenuHandle::default(),
+            focus_handle,
            _subscriptions: vec![settings_subscription],
-        };
-        this.refresh_profiles(cx);
-
-        this
+        }
    }

    pub fn menu_handle(&self) -> PopoverMenuHandle<ContextMenu> {
@@ -52,9 +48,7 @@ impl ProfileSelector {
    }

    fn refresh_profiles(&mut self, cx: &mut Context<Self>) {
-        let settings = AssistantSettings::get_global(cx);
-
-        self.profiles = settings.profiles.clone();
+        self.profiles = GroupedAgentProfiles::from_settings(AssistantSettings::get_global(cx));
    }

    fn build_context_menu(
@@ -64,47 +58,21 @@ impl ProfileSelector {
    ) -> Entity<ContextMenu> {
        ContextMenu::build(window, cx, |mut menu, _window, cx| {
            let settings = AssistantSettings::get_global(cx);
-            let icon_position = IconPosition::End;
-
-            menu = menu.header("Profiles");
-            for (profile_id, profile) in self.profiles.clone() {
-                menu = menu.toggleable_entry(
-                    profile.name.clone(),
-                    profile_id == settings.default_profile,
-                    icon_position,
-                    None,
-                    {
-                        let fs = self.fs.clone();
-                        let thread_store = self.thread_store.clone();
-                        move |_window, cx| {
-                            update_settings_file::<AssistantSettings>(fs.clone(), cx, {
-                                let profile_id = profile_id.clone();
-                                move |settings, _cx| {
-                                    settings.set_profile(profile_id.clone());
-                                }
-                            });
-
-                            thread_store
-                                .update(cx, |this, cx| {
-                                    this.load_profile_by_id(profile_id.clone(), cx);
-                                })
-                                .log_err();
-                        }
-                    },
-                );
+            for (profile_id, profile) in self.profiles.builtin.iter() {
+                menu =
+                    menu.item(self.menu_entry_for_profile(profile_id.clone(), profile, settings));
            }

-            menu = menu.separator();
-            menu = menu.header("Customize Current Profile");
-            menu = menu.item(ContextMenuEntry::new("Tools…").handler({
-                let profile_id = settings.default_profile.clone();
-                move |window, cx| {
-                    window.dispatch_action(
-                        ManageProfiles::customize_tools(profile_id.clone()).boxed_clone(),
-                        cx,
-                    );
+            if !self.profiles.custom.is_empty() {
+                menu = menu.separator().header("Custom Profiles");
+                for (profile_id, profile) in self.profiles.custom.iter() {
+                    menu = menu.item(self.menu_entry_for_profile(
+                        profile_id.clone(),
+                        profile,
+                        settings,
+                    ));
                }
-            }));
+            }

            menu = menu.separator();
            menu = menu.item(ContextMenuEntry::new("Configure Profiles…").handler(
@@ -116,74 +84,130 @@ impl ProfileSelector {
            menu
        })
    }
+
+    fn menu_entry_for_profile(
+        &self,
+        profile_id: AgentProfileId,
+        profile: &AgentProfile,
+        settings: &AssistantSettings,
+    ) -> ContextMenuEntry {
+        let documentation = match profile.name.to_lowercase().as_str() {
+            builtin_profiles::WRITE => Some("Get help to write anything."),
+            builtin_profiles::ASK => Some("Chat about your codebase."),
+            builtin_profiles::MINIMAL => Some("Chat about anything with no tools."),
+            _ => None,
+        };
+
+        let entry = ContextMenuEntry::new(profile.name.clone())
+            .toggleable(IconPosition::End, profile_id == settings.default_profile);
+
+        let entry = if let Some(doc_text) = documentation {
+            entry.documentation_aside(documentation_side(settings.dock), move |_| {
+                Label::new(doc_text).into_any_element()
+            })
+        } else {
+            entry
+        };
+
+        entry.handler({
+            let thread_store = self.thread_store.clone();
+            let profile_id = profile_id.clone();
+            let profile = profile.clone();
+
+            let thread = self.thread.clone();
+
+            move |_window, cx| {
+                thread.update(cx, |thread, cx| {
+                    thread.set_configured_profile(Some(profile.clone()), cx);
+                });
+
+                thread_store
+                    .update(cx, |this, cx| {
+                        this.load_profile_by_id(profile_id.clone(), cx);
+                    })
+                    .log_err();
+            }
+        })
+    }
 }

 impl Render for ProfileSelector {
-    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
        let settings = AssistantSettings::get_global(cx);
-        let profile_id = &settings.default_profile;
-        let profile = settings.profiles.get(profile_id);
+        let profile = self
+            .thread
+            .read_with(cx, |thread, _cx| thread.configured_profile())
+            .or_else(|| {
+                let profile_id = &settings.default_profile;
+                let profile = settings.profiles.get(profile_id);
+                profile.cloned()
+            });

        let selected_profile = profile
            .map(|profile| profile.name.clone())
            .unwrap_or_else(|| "Unknown".into());

-        let model_registry = LanguageModelRegistry::read_global(cx);
-        let supports_tools = model_registry
-            .default_model()
-            .map_or(false, |default| default.model.supports_tools());
+        let configured_model = self
+            .thread
+            .read_with(cx, |thread, _cx| thread.configured_model())
+            .or_else(|| {
+                let model_registry = LanguageModelRegistry::read_global(cx);
+                model_registry.default_model()
+            });
+        let supports_tools =
+            configured_model.map_or(false, |default| default.model.supports_tools());

-        let icon = match profile_id.as_str() {
-            "write" => IconName::Pencil,
-            "ask" => IconName::MessageBubbles,
-            _ => IconName::UserRoundPen,
-        };
+        if supports_tools {
+            let this = cx.entity().clone();
+            let focus_handle = self.focus_handle.clone();
+            let trigger_button = Button::new("profile-selector-model", selected_profile)
+                .label_size(LabelSize::Small)
+                .color(Color::Muted)
+                .icon(IconName::ChevronDown)
+                .icon_size(IconSize::XSmall)
+                .icon_position(IconPosition::End)
+                .icon_color(Color::Muted);

-        let this = cx.entity().clone();
-        let focus_handle = self.focus_handle.clone();
-        PopoverMenu::new("profile-selector")
-            .menu(move |window, cx| {
-                Some(this.update(cx, |this, cx| this.build_context_menu(window, cx)))
-            })
-            .trigger(if supports_tools {
-                ButtonLike::new("profile-selector-button").child(
-                    h_flex()
-                        .gap_1()
-                        .child(Icon::new(icon).size(IconSize::XSmall).color(Color::Muted))
-                        .child(
-                            Label::new(selected_profile)
-                                .size(LabelSize::Small)
-                                .color(Color::Muted),
+            PopoverMenu::new("profile-selector")
+                .trigger_with_tooltip(trigger_button, {
+                    let focus_handle = focus_handle.clone();
+                    move |window, cx| {
+                        Tooltip::for_action_in(
+                            "Toggle Profile Menu",
+                            &ToggleProfileSelector,
+                            &focus_handle,
+                            window,
+                            cx,
                        )
-                        .child(
-                            Icon::new(IconName::ChevronDown)
-                                .size(IconSize::XSmall)
-                                .color(Color::Muted),
-                        )
-                        .child(div().opacity(0.5).children({
-                            let focus_handle = focus_handle.clone();
-                            KeyBinding::for_action_in(
-                                &ToggleProfileSelector,
-                                &focus_handle,
-                                window,
-                                cx,
-                            )
-                            .map(|kb| kb.size(rems_from_px(10.)))
-                        })),
+                    }
+                })
+                .anchor(
+                    if documentation_side(settings.dock) == DocumentationSide::Left {
+                        gpui::Corner::BottomRight
+                    } else {
+                        gpui::Corner::BottomLeft
+                    },
                )
-            } else {
-                ButtonLike::new("tools-not-supported-button")
-                    .disabled(true)
-                    .child(
-                        h_flex().gap_1().child(
-                            Label::new("No Tools")
-                                .size(LabelSize::Small)
-                                .color(Color::Muted),
-                        ),
-                    )
-                    .tooltip(Tooltip::text("The current model does not support tools."))
-            })
-            .anchor(gpui::Corner::BottomLeft)
-            .with_handle(self.menu_handle.clone())
+                .with_handle(self.menu_handle.clone())
+                .menu(move |window, cx| {
+                    Some(this.update(cx, |this, cx| this.build_context_menu(window, cx)))
+                })
+                .into_any_element()
+        } else {
+            Button::new("tools-not-supported-button", "Tools Unsupported")
+                .disabled(true)
+                .label_size(LabelSize::Small)
+                .color(Color::Muted)
+                .tooltip(Tooltip::text("This model does not support tools."))
+                .into_any_element()
+        }
+    }
+}
+
+fn documentation_side(position: AssistantDockPosition) -> DocumentationSide {
+    match position {
+        AssistantDockPosition::Left => DocumentationSide::Right,
+        AssistantDockPosition::Bottom => DocumentationSide::Left,
+        AssistantDockPosition::Right => DocumentationSide::Left,
    }
 }
--- a/crates/assistant/src/slash_command_settings.rs
+++ b/crates/assistant/src/slash_command_settings.rs
--- a/crates/agent/src/terminal_inline_assistant.rs
+++ b/crates/agent/src/terminal_inline_assistant.rs
@@ -4,8 +4,9 @@ use crate::inline_prompt_editor::{
    CodegenStatus, PromptEditor, PromptEditorEvent, TerminalInlineAssistId,
 };
 use crate::terminal_codegen::{CLEAR_INPUT, CodegenEvent, TerminalCodegen};
-use crate::thread_store::ThreadStore;
+use crate::thread_store::{TextThreadStore, ThreadStore};
 use anyhow::{Context as _, Result};
+use assistant_settings::AssistantSettings;
 use client::telemetry::Telemetry;
 use collections::{HashMap, VecDeque};
 use editor::{MultiBuffer, actions::SelectAll};
@@ -71,13 +72,19 @@ impl TerminalInlineAssistant {
        project: WeakEntity<Project>,
        prompt_store: Option<Entity<PromptStore>>,
        thread_store: Option<WeakEntity<ThreadStore>>,
+        text_thread_store: Option<WeakEntity<TextThreadStore>>,
+        initial_prompt: Option<String>,
        window: &mut Window,
        cx: &mut App,
    ) {
        let terminal = terminal_view.read(cx).terminal().clone();
        let assist_id = self.next_assist_id.post_inc();
-        let prompt_buffer =
-            cx.new(|cx| MultiBuffer::singleton(cx.new(|cx| Buffer::local(String::new(), cx)), cx));
+        let prompt_buffer = cx.new(|cx| {
+            MultiBuffer::singleton(
+                cx.new(|cx| Buffer::local(initial_prompt.unwrap_or_default(), cx)),
+                cx,
+            )
+        });
        let context_store = cx.new(|_cx| ContextStore::new(project, thread_store.clone()));
        let codegen = cx.new(|_| TerminalCodegen::new(terminal, self.telemetry.clone()));

@@ -91,6 +98,7 @@ impl TerminalInlineAssistant {
                context_store.clone(),
                workspace.clone(),
                thread_store.clone(),
+                text_thread_store.clone(),
                window,
                cx,
            )
@@ -144,7 +152,7 @@ impl TerminalInlineAssistant {
        window: &mut Window,
        cx: &mut App,
    ) {
-        let assist_id = prompt_editor.read(cx).terminal_inline_assist_id();
+        let assist_id = prompt_editor.read(cx).id();
        match event {
            PromptEditorEvent::StartRequested => {
                self.start_assist(assist_id, cx);
@@ -259,6 +267,12 @@ impl TerminalInlineAssistant {
            load_context(contexts, project, &assist.prompt_store, cx)
        })?;

+        let ConfiguredModel { model, .. } = LanguageModelRegistry::read_global(cx)
+            .inline_assistant_model()
+            .context("No inline assistant model")?;
+
+        let temperature = AssistantSettings::temperature_for_model(&model, cx);
+
        Ok(cx.background_spawn(async move {
            let mut request_message = LanguageModelRequestMessage {
                role: Role::User,
@@ -279,8 +293,9 @@ impl TerminalInlineAssistant {
                mode: None,
                messages: vec![request_message],
                tools: Vec::new(),
+                tool_choice: None,
                stop: Vec::new(),
-                temperature: None,
+                temperature,
            }
        }))
    }
--- a/crates/agent/src/thread.rs
+++ b/crates/agent/src/thread.rs
--- a/crates/agent/src/thread_history.rs
+++ b/crates/agent/src/thread_history.rs
@@ -1,11 +1,14 @@
+use std::fmt::Display;
+use std::ops::Range;
 use std::sync::Arc;

 use assistant_context_editor::SavedContextMetadata;
+use chrono::{Datelike as _, Local, NaiveDate, TimeDelta};
 use editor::{Editor, EditorEvent};
 use fuzzy::{StringMatch, StringMatchCandidate};
 use gpui::{
-    App, Entity, FocusHandle, Focusable, ScrollStrategy, Stateful, Task, UniformListScrollHandle,
-    WeakEntity, Window, uniform_list,
+    App, Empty, Entity, FocusHandle, Focusable, ScrollStrategy, Stateful, Task,
+    UniformListScrollHandle, WeakEntity, Window, uniform_list,
 };
 use time::{OffsetDateTime, UtcOffset};
 use ui::{
@@ -16,26 +19,57 @@ use util::ResultExt;

 use crate::history_store::{HistoryEntry, HistoryStore};
 use crate::thread_store::SerializedThreadMetadata;
-use crate::{AssistantPanel, RemoveSelectedThread};
+use crate::{AgentPanel, RemoveSelectedThread};

 pub struct ThreadHistory {
-    assistant_panel: WeakEntity<AssistantPanel>,
+    agent_panel: WeakEntity<AgentPanel>,
    history_store: Entity<HistoryStore>,
    scroll_handle: UniformListScrollHandle,
    selected_index: usize,
-    search_query: SharedString,
    search_editor: Entity<Editor>,
    all_entries: Arc<Vec<HistoryEntry>>,
-    matches: Vec<StringMatch>,
-    _subscriptions: Vec<gpui::Subscription>,
-    _search_task: Option<Task<()>>,
+    // When the search is empty, we display date separators between history entries
+    // This vector contains an enum of either a separator or an actual entry
+    separated_items: Vec<HistoryListItem>,
+    _separated_items_task: Option<Task<()>>,
+    search_state: SearchState,
    scrollbar_visibility: bool,
    scrollbar_state: ScrollbarState,
+    _subscriptions: Vec<gpui::Subscription>,
+}
+
+enum SearchState {
+    Empty,
+    Searching {
+        query: SharedString,
+        _task: Task<()>,
+    },
+    Searched {
+        query: SharedString,
+        matches: Vec<StringMatch>,
+    },
+}
+
+enum HistoryListItem {
+    BucketSeparator(TimeBucket),
+    Entry {
+        index: usize,
+        format: EntryTimeFormat,
+    },
+}
+
+impl HistoryListItem {
+    fn entry_index(&self) -> Option<usize> {
+        match self {
+            HistoryListItem::BucketSeparator(_) => None,
+            HistoryListItem::Entry { index, .. } => Some(*index),
+        }
+    }
 }

 impl ThreadHistory {
    pub(crate) fn new(
-        assistant_panel: WeakEntity<AssistantPanel>,
+        agent_panel: WeakEntity<AgentPanel>,
        history_store: Entity<HistoryStore>,
        window: &mut Window,
        cx: &mut Context<Self>,
@@ -50,15 +84,10 @@ impl ThreadHistory {
            cx.subscribe(&search_editor, |this, search_editor, event, cx| {
                if let EditorEvent::BufferEdited = event {
                    let query = search_editor.read(cx).text(cx);
-                    this.search_query = query.into();
-                    this.update_search(cx);
+                    this.search(query.into(), cx);
                }
            });

-        let entries: Arc<Vec<_>> = history_store
-            .update(cx, |store, cx| store.entries(cx))
-            .into();
-
        let history_store_subscription = cx.observe(&history_store, |this, _, cx| {
            this.update_all_entries(cx);
        });
@@ -66,20 +95,22 @@ impl ThreadHistory {
        let scroll_handle = UniformListScrollHandle::default();
        let scrollbar_state = ScrollbarState::new(scroll_handle.clone());

-        Self {
-            assistant_panel,
+        let mut this = Self {
+            agent_panel,
            history_store,
            scroll_handle,
            selected_index: 0,
-            search_query: SharedString::new_static(""),
-            all_entries: entries,
-            matches: Vec::new(),
+            search_state: SearchState::Empty,
+            all_entries: Default::default(),
+            separated_items: Default::default(),
            search_editor,
-            _subscriptions: vec![search_editor_subscription, history_store_subscription],
-            _search_task: None,
            scrollbar_visibility: true,
            scrollbar_state,
-        }
+            _subscriptions: vec![search_editor_subscription, history_store_subscription],
+            _separated_items_task: None,
+        };
+        this.update_all_entries(cx);
+        this
    }

    fn update_all_entries(&mut self, cx: &mut Context<Self>) {
@@ -87,88 +118,167 @@ impl ThreadHistory {
            .history_store
            .update(cx, |store, cx| store.entries(cx))
            .into();
-        self.matches.clear();
-        self.update_search(cx);
-    }

-    fn update_search(&mut self, cx: &mut Context<Self>) {
-        self._search_task.take();
+        self.set_selected_index(0, cx);
+        self.update_separated_items(cx);

-        if self.has_search_query() {
-            self.perform_search(cx);
-        } else {
-            self.matches.clear();
-            self.set_selected_index(0, cx);
-            cx.notify();
+        match &self.search_state {
+            SearchState::Empty => {}
+            SearchState::Searching { query, .. } | SearchState::Searched { query, .. } => {
+                self.search(query.clone(), cx);
+            }
        }
+        cx.notify();
    }

-    fn perform_search(&mut self, cx: &mut Context<Self>) {
-        let query = self.search_query.clone();
+    fn update_separated_items(&mut self, cx: &mut Context<Self>) {
+        self._separated_items_task.take();
+
+        let mut separated_items = std::mem::take(&mut self.separated_items);
+        separated_items.clear();
        let all_entries = self.all_entries.clone();

+        let bg_task = cx.background_spawn(async move {
+            let mut bucket = None;
+            let today = Local::now().naive_local().date();
+
+            for (index, entry) in all_entries.iter().enumerate() {
+                let entry_date = entry
+                    .updated_at()
+                    .with_timezone(&Local)
+                    .naive_local()
+                    .date();
+                let entry_bucket = TimeBucket::from_dates(today, entry_date);
+
+                if Some(entry_bucket) != bucket {
+                    bucket = Some(entry_bucket);
+                    separated_items.push(HistoryListItem::BucketSeparator(entry_bucket));
+                }
+                separated_items.push(HistoryListItem::Entry {
+                    index,
+                    format: entry_bucket.into(),
+                });
+            }
+            separated_items
+        });
+
        let task = cx.spawn(async move |this, cx| {
-            let executor = cx.background_executor().clone();
-
-            let matches = cx
-                .background_spawn(async move {
-                    let mut candidates = Vec::with_capacity(all_entries.len());
-
-                    for (idx, entry) in all_entries.iter().enumerate() {
-                        match entry {
-                            HistoryEntry::Thread(thread) => {
-                                candidates.push(StringMatchCandidate::new(idx, &thread.summary));
-                            }
-                            HistoryEntry::Context(context) => {
-                                candidates.push(StringMatchCandidate::new(idx, &context.title));
-                            }
-                        }
-                    }
-
-                    const MAX_MATCHES: usize = 100;
-
-                    fuzzy::match_strings(
-                        &candidates,
-                        &query,
-                        false,
-                        MAX_MATCHES,
-                        &Default::default(),
-                        executor,
-                    )
-                    .await
-                })
-                .await;
-
+            let separated_items = bg_task.await;
            this.update(cx, |this, cx| {
-                this.matches = matches;
-                this.set_selected_index(0, cx);
+                this.separated_items = separated_items;
                cx.notify();
            })
            .log_err();
        });
-
-        self._search_task = Some(task);
+        self._separated_items_task = Some(task);
    }

-    fn has_search_query(&self) -> bool {
-        !self.search_query.is_empty()
+    fn search(&mut self, query: SharedString, cx: &mut Context<Self>) {
+        if query.is_empty() {
+            self.search_state = SearchState::Empty;
+            cx.notify();
+            return;
+        }
+
+        let all_entries = self.all_entries.clone();
+
+        let fuzzy_search_task = cx.background_spawn({
+            let query = query.clone();
+            let executor = cx.background_executor().clone();
+            async move {
+                let mut candidates = Vec::with_capacity(all_entries.len());
+
+                for (idx, entry) in all_entries.iter().enumerate() {
+                    match entry {
+                        HistoryEntry::Thread(thread) => {
+                            candidates.push(StringMatchCandidate::new(idx, &thread.summary));
+                        }
+                        HistoryEntry::Context(context) => {
+                            candidates.push(StringMatchCandidate::new(idx, &context.title));
+                        }
+                    }
+                }
+
+                const MAX_MATCHES: usize = 100;
+
+                fuzzy::match_strings(
+                    &candidates,
+                    &query,
+                    false,
+                    MAX_MATCHES,
+                    &Default::default(),
+                    executor,
+                )
+                .await
+            }
+        });
+
+        let task = cx.spawn({
+            let query = query.clone();
+            async move |this, cx| {
+                let matches = fuzzy_search_task.await;
+
+                this.update(cx, |this, cx| {
+                    let SearchState::Searching {
+                        query: current_query,
+                        _task,
+                    } = &this.search_state
+                    else {
+                        return;
+                    };
+
+                    if &query == current_query {
+                        this.search_state = SearchState::Searched {
+                            query: query.clone(),
+                            matches,
+                        };
+
+                        this.set_selected_index(0, cx);
+                        cx.notify();
+                    };
+                })
+                .log_err();
+            }
+        });
+
+        self.search_state = SearchState::Searching {
+            query: query.clone(),
+            _task: task,
+        };
+        cx.notify();
    }

    fn matched_count(&self) -> usize {
-        if self.has_search_query() {
-            self.matches.len()
-        } else {
-            self.all_entries.len()
+        match &self.search_state {
+            SearchState::Empty => self.all_entries.len(),
+            SearchState::Searching { .. } => 0,
+            SearchState::Searched { matches, .. } => matches.len(),
+        }
+    }
+
+    fn list_item_count(&self) -> usize {
+        match &self.search_state {
+            SearchState::Empty => self.separated_items.len(),
+            SearchState::Searching { .. } => 0,
+            SearchState::Searched { matches, .. } => matches.len(),
+        }
+    }
+
+    fn search_produced_no_matches(&self) -> bool {
+        match &self.search_state {
+            SearchState::Empty => false,
+            SearchState::Searching { .. } => false,
+            SearchState::Searched { matches, .. } => matches.is_empty(),
        }
    }

    fn get_match(&self, ix: usize) -> Option<&HistoryEntry> {
-        if self.has_search_query() {
-            self.matches
+        match &self.search_state {
+            SearchState::Empty => self.all_entries.get(ix),
+            SearchState::Searching { .. } => None,
+            SearchState::Searched { matches, .. } => matches
                .get(ix)
-                .and_then(|m| self.all_entries.get(m.candidate_id))
-        } else {
-            self.all_entries.get(ix)
+                .and_then(|m| self.all_entries.get(m.candidate_id)),
        }
    }

@@ -270,14 +380,12 @@ impl ThreadHistory {
    fn confirm(&mut self, _: &menu::Confirm, window: &mut Window, cx: &mut Context<Self>) {
        if let Some(entry) = self.get_match(self.selected_index) {
            let task_result = match entry {
-                HistoryEntry::Thread(thread) => self
-                    .assistant_panel
-                    .update(cx, move |this, cx| this.open_thread(&thread.id, window, cx)),
-                HistoryEntry::Context(context) => {
-                    self.assistant_panel.update(cx, move |this, cx| {
-                        this.open_saved_prompt_editor(context.path.clone(), window, cx)
-                    })
-                }
+                HistoryEntry::Thread(thread) => self.agent_panel.update(cx, move |this, cx| {
+                    this.open_thread_by_id(&thread.id, window, cx)
+                }),
+                HistoryEntry::Context(context) => self.agent_panel.update(cx, move |this, cx| {
+                    this.open_saved_prompt_editor(context.path.clone(), window, cx)
+                }),
            };

            if let Some(task) = task_result.log_err() {
@@ -297,10 +405,10 @@ impl ThreadHistory {
        if let Some(entry) = self.get_match(self.selected_index) {
            let task_result = match entry {
                HistoryEntry::Thread(thread) => self
-                    .assistant_panel
+                    .agent_panel
                    .update(cx, |this, cx| this.delete_thread(&thread.id, cx)),
                HistoryEntry::Context(context) => self
-                    .assistant_panel
+                    .agent_panel
                    .update(cx, |this, cx| this.delete_context(context.path.clone(), cx)),
            };

@@ -311,6 +419,107 @@ impl ThreadHistory {
            cx.notify();
        }
    }
+
+    fn list_items(
+        &mut self,
+        range: Range<usize>,
+        _window: &mut Window,
+        cx: &mut Context<Self>,
+    ) -> Vec<AnyElement> {
+        let range_start = range.start;
+
+        match &self.search_state {
+            SearchState::Empty => self
+                .separated_items
+                .get(range)
+                .iter()
+                .flat_map(|items| {
+                    items
+                        .iter()
+                        .map(|item| self.render_list_item(item.entry_index(), item, vec![], cx))
+                })
+                .collect(),
+            SearchState::Searched { matches, .. } => matches[range]
+                .iter()
+                .enumerate()
+                .map(|(ix, m)| {
+                    self.render_list_item(
+                        Some(range_start + ix),
+                        &HistoryListItem::Entry {
+                            index: m.candidate_id,
+                            format: EntryTimeFormat::DateAndTime,
+                        },
+                        m.positions.clone(),
+                        cx,
+                    )
+                })
+                .collect(),
+            SearchState::Searching { .. } => {
+                vec![]
+            }
+        }
+    }
+
+    fn render_list_item(
+        &self,
+        list_entry_ix: Option<usize>,
+        item: &HistoryListItem,
+        highlight_positions: Vec<usize>,
+        cx: &App,
+    ) -> AnyElement {
+        match item {
+            HistoryListItem::Entry { index, format } => match self.all_entries.get(*index) {
+                Some(entry) => h_flex()
+                    .w_full()
+                    .pb_1()
+                    .child(self.render_history_entry(
+                        entry,
+                        list_entry_ix == Some(self.selected_index),
+                        highlight_positions,
+                        *format,
+                    ))
+                    .into_any(),
+                None => Empty.into_any_element(),
+            },
+            HistoryListItem::BucketSeparator(bucket) => div()
+                .px(DynamicSpacing::Base06.rems(cx))
+                .pt_2()
+                .pb_1()
+                .child(
+                    Label::new(bucket.to_string())
+                        .size(LabelSize::XSmall)
+                        .color(Color::Muted),
+                )
+                .into_any_element(),
+        }
+    }
+
+    fn render_history_entry(
+        &self,
+        entry: &HistoryEntry,
+        is_active: bool,
+        highlight_positions: Vec<usize>,
+        format: EntryTimeFormat,
+    ) -> AnyElement {
+        match entry {
+            HistoryEntry::Thread(thread) => PastThread::new(
+                thread.clone(),
+                self.agent_panel.clone(),
+                is_active,
+                highlight_positions,
+                format,
+            )
+            .into_any_element(),
+            HistoryEntry::Context(context) => PastContext::new(
+                context.clone(),
+                self.agent_panel.clone(),
+                is_active,
+                highlight_positions,
+                format,
+            )
+            .into_any_element(),
+        }
+    }
 }

 impl Focusable for ThreadHistory {
@@ -321,8 +530,6 @@ impl Focusable for ThreadHistory {

 impl Render for ThreadHistory {
    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
-        let selected_index = self.selected_index;
-
        v_flex()
            .key_context("ThreadHistory")
            .size_full()
@@ -366,7 +573,7 @@ impl Render for ThreadHistory {
                                    .size(LabelSize::Small),
                            ),
                        )
-                } else if self.has_search_query() && self.matches.is_empty() {
+                } else if self.search_produced_no_matches() {
                    view.justify_center().child(
                        h_flex().w_full().justify_center().child(
                            Label::new("No threads match your search.").size(LabelSize::Small),
@@ -378,57 +585,8 @@ impl Render for ThreadHistory {
                            uniform_list(
                                cx.entity().clone(),
                                "thread-history",
-                                self.matched_count(),
-                                move |history, range, _window, _cx| {
-                                    let range_start = range.start;
-                                    let assistant_panel = history.assistant_panel.clone();
-
-                                    let render_item = |index: usize,
-                                                       entry: &HistoryEntry,
-                                                       highlight_positions: Vec<usize>|
-                                     -> Div {
-                                        h_flex().w_full().pb_1().child(match entry {
-                                            HistoryEntry::Thread(thread) => PastThread::new(
-                                                thread.clone(),
-                                                assistant_panel.clone(),
-                                                selected_index == index + range_start,
-                                                highlight_positions,
-                                            )
-                                            .into_any_element(),
-                                            HistoryEntry::Context(context) => PastContext::new(
-                                                context.clone(),
-                                                assistant_panel.clone(),
-                                                selected_index == index + range_start,
-                                                highlight_positions,
-                                            )
-                                            .into_any_element(),
-                                        })
-                                    };
-
-                                    if history.has_search_query() {
-                                        history.matches[range]
-                                            .iter()
-                                            .enumerate()
-                                            .filter_map(|(index, m)| {
-                                                history.all_entries.get(m.candidate_id).map(
-                                                    |entry| {
-                                                        render_item(
-                                                            index,
-                                                            entry,
-                                                            m.positions.clone(),
-                                                        )
-                                                    },
-                                                )
-                                            })
-                                            .collect()
-                                    } else {
-                                        history.all_entries[range]
-                                            .iter()
-                                            .enumerate()
-                                            .map(|(index, entry)| render_item(index, entry, vec![]))
-                                            .collect()
-                                    }
-                                },
+                                self.list_item_count(),
+                                Self::list_items,
                            )
                            .p_1()
                            .track_scroll(self.scroll_handle.clone())
@@ -445,23 +603,26 @@ impl Render for ThreadHistory {
 #[derive(IntoElement)]
 pub struct PastThread {
    thread: SerializedThreadMetadata,
-    assistant_panel: WeakEntity<AssistantPanel>,
+    agent_panel: WeakEntity<AgentPanel>,
    selected: bool,
    highlight_positions: Vec<usize>,
+    timestamp_format: EntryTimeFormat,
 }

 impl PastThread {
    pub fn new(
        thread: SerializedThreadMetadata,
-        assistant_panel: WeakEntity<AssistantPanel>,
+        agent_panel: WeakEntity<AgentPanel>,
        selected: bool,
        highlight_positions: Vec<usize>,
+        timestamp_format: EntryTimeFormat,
    ) -> Self {
        Self {
            thread,
-            assistant_panel,
+            agent_panel,
            selected,
            highlight_positions,
+            timestamp_format,
        }
    }
 }
@@ -470,13 +631,10 @@ impl RenderOnce for PastThread {
    fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
        let summary = self.thread.summary;

-        let thread_timestamp = time_format::format_localized_timestamp(
-            OffsetDateTime::from_unix_timestamp(self.thread.updated_at.timestamp()).unwrap(),
-            OffsetDateTime::now_utc(),
-            self.assistant_panel
-                .update(cx, |this, _cx| this.local_timezone())
-                .unwrap_or(UtcOffset::UTC),
-            time_format::TimestampFormat::EnhancedAbsolute,
+        let thread_timestamp = self.timestamp_format.format_timestamp(
+            &self.agent_panel,
+            self.thread.updated_at.timestamp(),
+            cx,
        );

        ListItem::new(SharedString::from(self.thread.id.to_string()))
@@ -507,10 +665,10 @@ impl RenderOnce for PastThread {
                                Tooltip::for_action("Delete", &RemoveSelectedThread, window, cx)
                            })
                            .on_click({
-                                let assistant_panel = self.assistant_panel.clone();
+                                let agent_panel = self.agent_panel.clone();
                                let id = self.thread.id.clone();
                                move |_event, _window, cx| {
-                                    assistant_panel
+                                    agent_panel
                                        .update(cx, |this, cx| {
                                            this.delete_thread(&id, cx).detach_and_log_err(cx);
                                        })
@@ -520,12 +678,13 @@ impl RenderOnce for PastThread {
                    ),
            )
            .on_click({
-                let assistant_panel = self.assistant_panel.clone();
+                let agent_panel = self.agent_panel.clone();
                let id = self.thread.id.clone();
                move |_event, window, cx| {
-                    assistant_panel
+                    agent_panel
                        .update(cx, |this, cx| {
-                            this.open_thread(&id, window, cx).detach_and_log_err(cx);
+                            this.open_thread_by_id(&id, window, cx)
+                                .detach_and_log_err(cx);
                        })
                        .ok();
                }
@@ -536,23 +695,26 @@ impl RenderOnce for PastThread {
 #[derive(IntoElement)]
 pub struct PastContext {
    context: SavedContextMetadata,
-    assistant_panel: WeakEntity<AssistantPanel>,
+    agent_panel: WeakEntity<AgentPanel>,
    selected: bool,
    highlight_positions: Vec<usize>,
+    timestamp_format: EntryTimeFormat,
 }

 impl PastContext {
    pub fn new(
        context: SavedContextMetadata,
-        assistant_panel: WeakEntity<AssistantPanel>,
+        agent_panel: WeakEntity<AgentPanel>,
        selected: bool,
        highlight_positions: Vec<usize>,
+        timestamp_format: EntryTimeFormat,
    ) -> Self {
        Self {
            context,
-            assistant_panel,
+            agent_panel,
            selected,
            highlight_positions,
+            timestamp_format,
        }
    }
 }
@@ -560,13 +722,10 @@ impl PastContext {
 impl RenderOnce for PastContext {
    fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
        let summary = self.context.title;
-        let context_timestamp = time_format::format_localized_timestamp(
-            OffsetDateTime::from_unix_timestamp(self.context.mtime.timestamp()).unwrap(),
-            OffsetDateTime::now_utc(),
-            self.assistant_panel
-                .update(cx, |this, _cx| this.local_timezone())
-                .unwrap_or(UtcOffset::UTC),
-            time_format::TimestampFormat::EnhancedAbsolute,
+        let context_timestamp = self.timestamp_format.format_timestamp(
+            &self.agent_panel,
+            self.context.mtime.timestamp(),
+            cx,
        );

        ListItem::new(SharedString::from(
@@ -599,10 +758,10 @@ impl RenderOnce for PastContext {
                            Tooltip::for_action("Delete", &RemoveSelectedThread, window, cx)
                        })
                        .on_click({
-                            let assistant_panel = self.assistant_panel.clone();
+                            let agent_panel = self.agent_panel.clone();
                            let path = self.context.path.clone();
                            move |_event, _window, cx| {
-                                assistant_panel
+                                agent_panel
                                    .update(cx, |this, cx| {
                                        this.delete_context(path.clone(), cx)
                                            .detach_and_log_err(cx);
@@ -613,10 +772,10 @@ impl RenderOnce for PastContext {
                ),
        )
        .on_click({
-            let assistant_panel = self.assistant_panel.clone();
+            let agent_panel = self.agent_panel.clone();
            let path = self.context.path.clone();
            move |_event, window, cx| {
-                assistant_panel
+                agent_panel
                    .update(cx, |this, cx| {
                        this.open_saved_prompt_editor(path.clone(), window, cx)
                            .detach_and_log_err(cx);
@@ -626,3 +785,137 @@ impl RenderOnce for PastContext {
        })
    }
 }
+
+#[derive(Clone, Copy)]
+pub enum EntryTimeFormat {
+    DateAndTime,
+    TimeOnly,
+}
+
+impl EntryTimeFormat {
+    fn format_timestamp(
+        &self,
+        agent_panel: &WeakEntity<AgentPanel>,
+        timestamp: i64,
+        cx: &App,
+    ) -> String {
+        let timestamp = OffsetDateTime::from_unix_timestamp(timestamp).unwrap();
+        let timezone = agent_panel
+            .read_with(cx, |this, _cx| this.local_timezone())
+            .unwrap_or(UtcOffset::UTC);
+
+        match &self {
+            EntryTimeFormat::DateAndTime => time_format::format_localized_timestamp(
+                timestamp,
+                OffsetDateTime::now_utc(),
+                timezone,
+                time_format::TimestampFormat::EnhancedAbsolute,
+            ),
+            EntryTimeFormat::TimeOnly => time_format::format_time(timestamp),
+        }
+    }
+}
+
+impl From<TimeBucket> for EntryTimeFormat {
+    fn from(bucket: TimeBucket) -> Self {
+        match bucket {
+            TimeBucket::Today => EntryTimeFormat::TimeOnly,
+            TimeBucket::Yesterday => EntryTimeFormat::TimeOnly,
+            TimeBucket::ThisWeek => EntryTimeFormat::DateAndTime,
+            TimeBucket::PastWeek => EntryTimeFormat::DateAndTime,
+            TimeBucket::All => EntryTimeFormat::DateAndTime,
+        }
+    }
+}
+
+#[derive(PartialEq, Eq, Clone, Copy, Debug)]
+enum TimeBucket {
+    Today,
+    Yesterday,
+    ThisWeek,
+    PastWeek,
+    All,
+}
+
+impl TimeBucket {
+    fn from_dates(reference: NaiveDate, date: NaiveDate) -> Self {
+        if date == reference {
+            return TimeBucket::Today;
+        }
+
+        if date == reference - TimeDelta::days(1) {
+            return TimeBucket::Yesterday;
+        }
+
+        let week = date.iso_week();
+
+        if reference.iso_week() == week {
+            return TimeBucket::ThisWeek;
+        }
+
+        let last_week = (reference - TimeDelta::days(7)).iso_week();
+
+        if week == last_week {
+            return TimeBucket::PastWeek;
+        }
+
+        TimeBucket::All
+    }
+}
+
+impl Display for TimeBucket {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            TimeBucket::Today => write!(f, "Today"),
+            TimeBucket::Yesterday => write!(f, "Yesterday"),
+            TimeBucket::ThisWeek => write!(f, "This Week"),
+            TimeBucket::PastWeek => write!(f, "Past Week"),
+            TimeBucket::All => write!(f, "All"),
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use chrono::NaiveDate;
+
+    #[test]
+    fn test_time_bucket_from_dates() {
+        let today = NaiveDate::from_ymd_opt(2023, 1, 15).unwrap();
+
+        let date = today;
+        assert_eq!(TimeBucket::from_dates(today, date), TimeBucket::Today);
+
+        let date = NaiveDate::from_ymd_opt(2023, 1, 14).unwrap();
+        assert_eq!(TimeBucket::from_dates(today, date), TimeBucket::Yesterday);
+
+        let date = NaiveDate::from_ymd_opt(2023, 1, 13).unwrap();
+        assert_eq!(TimeBucket::from_dates(today, date), TimeBucket::ThisWeek);
+
+        let date = NaiveDate::from_ymd_opt(2023, 1, 11).unwrap();
+        assert_eq!(TimeBucket::from_dates(today, date), TimeBucket::ThisWeek);
+
+        let date = NaiveDate::from_ymd_opt(2023, 1, 8).unwrap();
+        assert_eq!(TimeBucket::from_dates(today, date), TimeBucket::PastWeek);
+
+        let date = NaiveDate::from_ymd_opt(2023, 1, 5).unwrap();
+        assert_eq!(TimeBucket::from_dates(today, date), TimeBucket::PastWeek);
+
+        // All: not in this week or last week
+        let date = NaiveDate::from_ymd_opt(2023, 1, 1).unwrap();
+        assert_eq!(TimeBucket::from_dates(today, date), TimeBucket::All);
+
+        // Test year boundary cases
+        let new_year = NaiveDate::from_ymd_opt(2023, 1, 1).unwrap();
+
+        let date = NaiveDate::from_ymd_opt(2022, 12, 31).unwrap();
+        assert_eq!(
+            TimeBucket::from_dates(new_year, date),
+            TimeBucket::Yesterday
+        );
+
+        let date = NaiveDate::from_ymd_opt(2022, 12, 28).unwrap();
+        assert_eq!(TimeBucket::from_dates(new_year, date), TimeBucket::ThisWeek);
+    }
+}
--- a/crates/agent/src/thread_store.rs
+++ b/crates/agent/src/thread_store.rs
@@ -5,12 +5,11 @@ use std::rc::Rc;
 use std::sync::Arc;

 use anyhow::{Context as _, Result, anyhow};
-use assistant_settings::{AgentProfile, AgentProfileId, AssistantSettings};
+use assistant_settings::{AgentProfile, AgentProfileId, AssistantSettings, CompletionMode};
 use assistant_tool::{ToolId, ToolSource, ToolWorkingSet};
 use chrono::{DateTime, Utc};
 use collections::HashMap;
-use context_server::manager::ContextServerManager;
-use context_server::{ContextServerFactoryRegistry, ContextServerTool};
+use context_server::ContextServerId;
 use futures::channel::{mpsc, oneshot};
 use futures::future::{self, BoxFuture, Shared};
 use futures::{FutureExt as _, StreamExt as _};
@@ -21,6 +20,7 @@ use gpui::{
 use heed::Database;
 use heed::types::SerdeBincode;
 use language_model::{LanguageModelToolUseId, Role, TokenUsage};
+use project::context_server_store::{ContextServerStatus, ContextServerStore};
 use project::{Project, ProjectItem, ProjectPath, Worktree};
 use prompt_store::{
    ProjectContext, PromptBuilder, PromptId, PromptStore, PromptsUpdatedEvent, RulesFileContext,
@@ -28,8 +28,10 @@ use prompt_store::{
 };
 use serde::{Deserialize, Serialize};
 use settings::{Settings as _, SettingsStore};
+use ui::Window;
 use util::ResultExt as _;

+use crate::context_server_tool::ContextServerTool;
 use crate::thread::{
    DetailedSummaryState, ExceededWindowError, MessageId, ProjectSnapshot, Thread, ThreadId,
 };
@@ -57,13 +59,14 @@ impl SharedProjectContext {
    }
 }

+pub type TextThreadStore = assistant_context_editor::ContextStore;
+
 pub struct ThreadStore {
    project: Entity<Project>,
    tools: Entity<ToolWorkingSet>,
    prompt_builder: Arc<PromptBuilder>,
    prompt_store: Option<Entity<PromptStore>>,
-    context_server_manager: Entity<ContextServerManager>,
-    context_server_tool_ids: HashMap<Arc<str>, Vec<ToolId>>,
+    context_server_tool_ids: HashMap<ContextServerId, Vec<ToolId>>,
    threads: Vec<SerializedThreadMetadata>,
    project_context: SharedProjectContext,
    reload_system_prompt_tx: mpsc::Sender<()>,
@@ -108,11 +111,6 @@ impl ThreadStore {
        prompt_store: Option<Entity<PromptStore>>,
        cx: &mut Context<Self>,
    ) -> (Self, oneshot::Receiver<()>) {
-        let context_server_factory_registry = ContextServerFactoryRegistry::default_global(cx);
-        let context_server_manager = cx.new(|cx| {
-            ContextServerManager::new(context_server_factory_registry, project.clone(), cx)
-        });
-
        let mut subscriptions = vec![
            cx.observe_global::<SettingsStore>(move |this: &mut Self, cx| {
                this.load_default_profile(cx);
@@ -159,7 +157,6 @@ impl ThreadStore {
            tools,
            prompt_builder,
            prompt_store,
-            context_server_manager,
            context_server_tool_ids: HashMap::default(),
            threads: Vec::new(),
            project_context: SharedProjectContext::default(),
@@ -354,10 +351,6 @@ impl ThreadStore {
        })
    }

-    pub fn context_server_manager(&self) -> Entity<ContextServerManager> {
-        self.context_server_manager.clone()
-    }
-
    pub fn prompt_store(&self) -> &Option<Entity<PromptStore>> {
        &self.prompt_store
    }
@@ -371,6 +364,10 @@ impl ThreadStore {
        self.threads.len()
    }

+    pub fn unordered_threads(&self) -> impl Iterator<Item = &SerializedThreadMetadata> {
+        self.threads.iter()
+    }
+
    pub fn reverse_chronological_threads(&self) -> Vec<SerializedThreadMetadata> {
        let mut threads = self.threads.iter().cloned().collect::<Vec<_>>();
        threads.sort_unstable_by_key(|thread| std::cmp::Reverse(thread.updated_at));
@@ -392,18 +389,20 @@ impl ThreadStore {
    pub fn open_thread(
        &self,
        id: &ThreadId,
+        window: &mut Window,
        cx: &mut Context<Self>,
    ) -> Task<Result<Entity<Thread>>> {
        let id = id.clone();
        let database_future = ThreadsDatabase::global_future(cx);
-        cx.spawn(async move |this, cx| {
+        let this = cx.weak_entity();
+        window.spawn(cx, async move |cx| {
            let database = database_future.await.map_err(|err| anyhow!(err))?;
            let thread = database
                .try_find_thread(id.clone())
                .await?
                .ok_or_else(|| anyhow!("no thread found with ID: {id:?}"))?;

-            let thread = this.update(cx, |this, cx| {
+            let thread = this.update_in(cx, |this, window, cx| {
                cx.new(|cx| {
                    Thread::deserialize(
                        id.clone(),
@@ -412,6 +411,7 @@ impl ThreadStore {
                        this.tools.clone(),
                        this.prompt_builder.clone(),
                        this.project_context.clone(),
+                        window,
                        cx,
                    )
                })
@@ -494,11 +494,17 @@ impl ThreadStore {
        });

        if profile.enable_all_context_servers {
-            for context_server in self.context_server_manager.read(cx).all_servers() {
+            for context_server_id in self
+                .project
+                .read(cx)
+                .context_server_store()
+                .read(cx)
+                .all_server_ids()
+            {
                self.tools.update(cx, |tools, cx| {
                    tools.enable_source(
                        ToolSource::ContextServer {
-                            id: context_server.id().into(),
+                            id: context_server_id.0.into(),
                        },
                        cx,
                    );
@@ -541,7 +547,7 @@ impl ThreadStore {

    fn register_context_server_handlers(&self, cx: &mut Context<Self>) {
        cx.subscribe(
-            &self.context_server_manager.clone(),
+            &self.project.read(cx).context_server_store(),
            Self::handle_context_server_event,
        )
        .detach();
@@ -549,68 +555,75 @@ impl ThreadStore {

    fn handle_context_server_event(
        &mut self,
-        context_server_manager: Entity<ContextServerManager>,
-        event: &context_server::manager::Event,
+        context_server_store: Entity<ContextServerStore>,
+        event: &project::context_server_store::Event,
        cx: &mut Context<Self>,
    ) {
        let tool_working_set = self.tools.clone();
        match event {
-            context_server::manager::Event::ServerStarted { server_id } => {
-                if let Some(server) = context_server_manager.read(cx).get_server(server_id) {
-                    let context_server_manager = context_server_manager.clone();
-                    cx.spawn({
-                        let server = server.clone();
-                        let server_id = server_id.clone();
-                        async move |this, cx| {
-                            let Some(protocol) = server.client() else {
-                                return;
-                            };
+            project::context_server_store::Event::ServerStatusChanged { server_id, status } => {
+                match status {
+                    ContextServerStatus::Running => {
+                        if let Some(server) =
+                            context_server_store.read(cx).get_running_server(server_id)
+                        {
+                            let context_server_manager = context_server_store.clone();
+                            cx.spawn({
+                                let server = server.clone();
+                                let server_id = server_id.clone();
+                                async move |this, cx| {
+                                    let Some(protocol) = server.client() else {
+                                        return;
+                                    };

-                            if protocol.capable(context_server::protocol::ServerCapability::Tools) {
-                                if let Some(tools) = protocol.list_tools().await.log_err() {
-                                    let tool_ids = tool_working_set
-                                        .update(cx, |tool_working_set, _| {
-                                            tools
-                                                .tools
-                                                .into_iter()
-                                                .map(|tool| {
-                                                    log::info!(
-                                                        "registering context server tool: {:?}",
-                                                        tool.name
-                                                    );
-                                                    tool_working_set.insert(Arc::new(
-                                                        ContextServerTool::new(
-                                                            context_server_manager.clone(),
-                                                            server.id(),
-                                                            tool,
-                                                        ),
-                                                    ))
+                                    if protocol.capable(context_server::protocol::ServerCapability::Tools) {
+                                        if let Some(tools) = protocol.list_tools().await.log_err() {
+                                            let tool_ids = tool_working_set
+                                                .update(cx, |tool_working_set, _| {
+                                                    tools
+                                                        .tools
+                                                        .into_iter()
+                                                        .map(|tool| {
+                                                            log::info!(
+                                                                "registering context server tool: {:?}",
+                                                                tool.name
+                                                            );
+                                                            tool_working_set.insert(Arc::new(
+                                                                ContextServerTool::new(
+                                                                    context_server_manager.clone(),
+                                                                    server.id(),
+                                                                    tool,
+                                                                ),
+                                                            ))
+                                                        })
+                                                        .collect::<Vec<_>>()
                                                })
-                                                .collect::<Vec<_>>()
-                                        })
-                                        .log_err();
+                                                .log_err();

-                                    if let Some(tool_ids) = tool_ids {
-                                        this.update(cx, |this, cx| {
-                                            this.context_server_tool_ids
-                                                .insert(server_id, tool_ids);
-                                            this.load_default_profile(cx);
-                                        })
-                                        .log_err();
+                                            if let Some(tool_ids) = tool_ids {
+                                                this.update(cx, |this, cx| {
+                                                    this.context_server_tool_ids
+                                                        .insert(server_id, tool_ids);
+                                                    this.load_default_profile(cx);
+                                                })
+                                                .log_err();
+                                            }
+                                        }
                                    }
                                }
-                            }
+                            })
+                            .detach();
                        }
-                    })
-                    .detach();
-                }
-            }
-            context_server::manager::Event::ServerStopped { server_id } => {
-                if let Some(tool_ids) = self.context_server_tool_ids.remove(server_id) {
-                    tool_working_set.update(cx, |tool_working_set, _| {
-                        tool_working_set.remove(&tool_ids);
-                    });
-                    self.load_default_profile(cx);
+                    }
+                    ContextServerStatus::Stopped | ContextServerStatus::Error(_) => {
+                        if let Some(tool_ids) = self.context_server_tool_ids.remove(server_id) {
+                            tool_working_set.update(cx, |tool_working_set, _| {
+                                tool_working_set.remove(&tool_ids);
+                            });
+                            self.load_default_profile(cx);
+                        }
+                    }
+                    _ => {}
                }
            }
        }
@@ -640,6 +653,18 @@ pub struct SerializedThread {
    pub detailed_summary_state: DetailedSummaryState,
    #[serde(default)]
    pub exceeded_window_error: Option<ExceededWindowError>,
+    #[serde(default)]
+    pub model: Option<SerializedLanguageModel>,
+    #[serde(default)]
+    pub completion_mode: Option<CompletionMode>,
+    #[serde(default)]
+    pub profile: Option<AgentProfileId>,
+}
+
+#[derive(Serialize, Deserialize, Debug)]
+pub struct SerializedLanguageModel {
+    pub provider: String,
+    pub model: String,
 }

 impl SerializedThread {
@@ -719,6 +744,8 @@ pub struct SerializedMessage {
    pub tool_results: Vec<SerializedToolResult>,
    #[serde(default)]
    pub context: String,
+    #[serde(default)]
+    pub creases: Vec<SerializedCrease>,
 }

 #[derive(Debug, Serialize, Deserialize)]
@@ -751,6 +778,7 @@ pub struct SerializedToolResult {
    pub tool_use_id: LanguageModelToolUseId,
    pub is_error: bool,
    pub content: Arc<str>,
+    pub output: Option<serde_json::Value>,
 }

 #[derive(Serialize, Deserialize)]
@@ -774,6 +802,9 @@ impl LegacySerializedThread {
            request_token_usage: Vec::new(),
            detailed_summary_state: DetailedSummaryState::default(),
            exceeded_window_error: None,
+            model: None,
+            completion_mode: None,
+            profile: None,
        }
    }
 }
@@ -798,10 +829,19 @@ impl LegacySerializedMessage {
            tool_uses: self.tool_uses,
            tool_results: self.tool_results,
            context: String::new(),
+            creases: Vec::new(),
        }
    }
 }

+#[derive(Debug, Serialize, Deserialize)]
+pub struct SerializedCrease {
+    pub start: usize,
+    pub end: usize,
+    pub icon_path: SharedString,
+    pub label: SharedString,
+}
+
 struct GlobalThreadsDatabase(
    Shared<BoxFuture<'static, Result<Arc<ThreadsDatabase>, Arc<anyhow::Error>>>>,
 );
--- a/crates/agent/src/tool_use.rs
+++ b/crates/agent/src/tool_use.rs
@@ -1,16 +1,17 @@
 use std::sync::Arc;

 use anyhow::Result;
-use assistant_tool::{AnyToolCard, Tool, ToolUseStatus, ToolWorkingSet};
+use assistant_tool::{AnyToolCard, Tool, ToolResultOutput, ToolUseStatus, ToolWorkingSet};
 use collections::HashMap;
 use futures::FutureExt as _;
 use futures::future::Shared;
 use gpui::{App, Entity, SharedString, Task};
 use language_model::{
-    LanguageModel, LanguageModelRegistry, LanguageModelRequestMessage, LanguageModelToolResult,
-    LanguageModelToolUse, LanguageModelToolUseId, MessageContent, Role,
+    ConfiguredModel, LanguageModel, LanguageModelRequest, LanguageModelToolResult,
+    LanguageModelToolUse, LanguageModelToolUseId, Role,
 };
-use ui::IconName;
+use project::Project;
+use ui::{IconName, Window};
 use util::truncate_lines_to_byte_limit;

 use crate::thread::{MessageId, PromptId, ThreadId};
@@ -54,6 +55,9 @@ impl ToolUseState {
    pub fn from_serialized_messages(
        tools: Entity<ToolWorkingSet>,
        messages: &[SerializedMessage],
+        project: Entity<Project>,
+        window: &mut Window,
+        cx: &mut App,
    ) -> Self {
        let mut this = Self::new(tools);
        let mut tool_names_by_id = HashMap::default();
@@ -93,12 +97,23 @@ impl ToolUseState {
                            this.tool_results.insert(
                                tool_use_id.clone(),
                                LanguageModelToolResult {
-                                    tool_use_id,
+                                    tool_use_id: tool_use_id.clone(),
                                    tool_name: tool_use.clone(),
                                    is_error: tool_result.is_error,
                                    content: tool_result.content.clone(),
+                                    output: tool_result.output.clone(),
                                },
                            );
+
+                            if let Some(tool) = this.tools.read(cx).tool(tool_use, cx) {
+                                if let Some(output) = tool_result.output.clone() {
+                                    if let Some(card) =
+                                        tool.deserialize_card(output, project.clone(), window, cx)
+                                    {
+                                        this.tool_result_cards.insert(tool_use_id, card);
+                                    }
+                                }
+                            }
                        }
                    }
                }
@@ -110,20 +125,28 @@ impl ToolUseState {
    }

    pub fn cancel_pending(&mut self) -> Vec<PendingToolUse> {
-        let mut pending_tools = Vec::new();
-        for (tool_use_id, tool_use) in self.pending_tool_uses_by_id.drain() {
-            self.tool_results.insert(
-                tool_use_id.clone(),
-                LanguageModelToolResult {
-                    tool_use_id,
-                    tool_name: tool_use.name.clone(),
-                    content: "Tool canceled by user".into(),
-                    is_error: true,
-                },
-            );
-            pending_tools.push(tool_use.clone());
-        }
-        pending_tools
+        let mut cancelled_tool_uses = Vec::new();
+        self.pending_tool_uses_by_id
+            .retain(|tool_use_id, tool_use| {
+                if matches!(tool_use.status, PendingToolUseStatus::Error { .. }) {
+                    return true;
+                }
+
+                let content = "Tool canceled by user".into();
+                self.tool_results.insert(
+                    tool_use_id.clone(),
+                    LanguageModelToolResult {
+                        tool_use_id: tool_use_id.clone(),
+                        tool_name: tool_use.name.clone(),
+                        content,
+                        output: None,
+                        is_error: true,
+                    },
+                );
+                cancelled_tool_uses.push(tool_use.clone());
+                false
+            });
+        cancelled_tool_uses
    }

    pub fn pending_tool_uses(&self) -> Vec<&PendingToolUse> {
@@ -331,7 +354,7 @@ impl ToolUseState {
        tool_use_id: LanguageModelToolUseId,
        ui_text: impl Into<Arc<str>>,
        input: serde_json::Value,
-        messages: Arc<Vec<LanguageModelRequestMessage>>,
+        request: Arc<LanguageModelRequest>,
        tool: Arc<dyn Tool>,
    ) {
        if let Some(tool_use) = self.pending_tool_uses_by_id.get_mut(&tool_use_id) {
@@ -340,7 +363,7 @@ impl ToolUseState {
            let confirmation = Confirmation {
                tool_use_id,
                input,
-                messages,
+                request,
                tool,
                ui_text,
            };
@@ -352,8 +375,8 @@ impl ToolUseState {
        &mut self,
        tool_use_id: LanguageModelToolUseId,
        tool_name: Arc<str>,
-        output: Result<String>,
-        cx: &App,
+        output: Result<ToolResultOutput>,
+        configured_model: Option<&ConfiguredModel>,
    ) -> Option<PendingToolUse> {
        let metadata = self.tool_use_metadata_by_id.remove(&tool_use_id);

@@ -372,14 +395,12 @@ impl ToolUseState {
        );

        match output {
-            Ok(tool_result) => {
-                let model_registry = LanguageModelRegistry::read_global(cx);
-
+            Ok(output) => {
+                let tool_result = output.content;
                const BYTES_PER_TOKEN_ESTIMATE: usize = 3;

                // Protect from clearly large output
-                let tool_output_limit = model_registry
-                    .default_model()
+                let tool_output_limit = configured_model
                    .map(|model| model.model.max_token_count() * BYTES_PER_TOKEN_ESTIMATE)
                    .unwrap_or(usize::MAX);

@@ -402,6 +423,7 @@ impl ToolUseState {
                        tool_name,
                        content: tool_result.into(),
                        is_error: false,
+                        output: output.output,
                    },
                );
                self.pending_tool_uses_by_id.remove(&tool_use_id)
@@ -414,6 +436,7 @@ impl ToolUseState {
                        tool_name,
                        content: err.to_string().into(),
                        is_error: true,
+                        output: None,
                    },
                );

@@ -426,71 +449,20 @@ impl ToolUseState {
        }
    }

-    pub fn attach_tool_uses(
-        &self,
-        message_id: MessageId,
-        request_message: &mut LanguageModelRequestMessage,
-    ) {
-        if let Some(tool_uses) = self.tool_uses_by_assistant_message.get(&message_id) {
-            for tool_use in tool_uses {
-                if self.tool_results.contains_key(&tool_use.id) {
-                    // Do not send tool uses until they are completed
-                    request_message
-                        .content
-                        .push(MessageContent::ToolUse(tool_use.clone()));
-                } else {
-                    log::debug!(
-                        "skipped tool use {:?} because it is still pending",
-                        tool_use
-                    );
-                }
-            }
-        }
-    }
-
    pub fn has_tool_results(&self, assistant_message_id: MessageId) -> bool {
        self.tool_uses_by_assistant_message
            .contains_key(&assistant_message_id)
    }

-    pub fn tool_results_message(
+    pub fn tool_results(
        &self,
        assistant_message_id: MessageId,
-    ) -> Option<LanguageModelRequestMessage> {
-        let tool_uses = self
-            .tool_uses_by_assistant_message
-            .get(&assistant_message_id)?;
-
-        if tool_uses.is_empty() {
-            return None;
-        }
-
-        let mut request_message = LanguageModelRequestMessage {
-            role: Role::User,
-            content: vec![],
-            cache: false,
-        };
-
-        for tool_use in tool_uses {
-            if let Some(tool_result) = self.tool_results.get(&tool_use.id) {
-                request_message
-                    .content
-                    .push(MessageContent::ToolResult(LanguageModelToolResult {
-                        tool_use_id: tool_use.id.clone(),
-                        tool_name: tool_result.tool_name.clone(),
-                        is_error: tool_result.is_error,
-                        content: if tool_result.content.is_empty() {
-                            // Surprisingly, the API fails if we return an empty string here.
-                            // It thinks we are sending a tool use without a tool result.
-                            "<Tool returned an empty string>".into()
-                        } else {
-                            tool_result.content.clone()
-                        },
-                    }));
-            }
-        }
-
-        Some(request_message)
+    ) -> impl Iterator<Item = (&LanguageModelToolUse, Option<&LanguageModelToolResult>)> {
+        self.tool_uses_by_assistant_message
+            .get(&assistant_message_id)
+            .into_iter()
+            .flatten()
+            .map(|tool_use| (tool_use, self.tool_results.get(&tool_use.id)))
    }
 }

@@ -511,7 +483,7 @@ pub struct Confirmation {
    pub tool_use_id: LanguageModelToolUseId,
    pub input: serde_json::Value,
    pub ui_text: Arc<str>,
-    pub messages: Arc<Vec<LanguageModelRequestMessage>>,
+    pub request: Arc<LanguageModelRequest>,
    pub tool: Arc<dyn Tool>,
 }

--- a/crates/agent/src/trial_markdown.md
+++ b/crates/agent/src/trial_markdown.md
@@ -0,0 +1,3 @@
+# Build better with Zed Pro
+
+Try [Zed Pro](https://zed.dev/pricing) for free for 14 days - no credit card required. Only $20/month afterward. Cancel anytime.
--- a/crates/agent/src/ui.rs
+++ b/crates/agent/src/ui.rs
@@ -1,9 +1,13 @@
 mod agent_notification;
 mod animated_label;
 mod context_pill;
-mod usage_banner;
+mod max_mode_tooltip;
+mod onboarding_modal;
+pub mod preview;
+mod upsell;

 pub use agent_notification::*;
 pub use animated_label::*;
 pub use context_pill::*;
-pub use usage_banner::*;
+pub use max_mode_tooltip::*;
+pub use onboarding_modal::*;
--- a/crates/agent/src/ui/context_pill.rs
+++ b/crates/agent/src/ui/context_pill.rs
@@ -1,13 +1,24 @@
-use std::{rc::Rc, time::Duration};
+use std::{ops::Range, path::Path, rc::Rc, sync::Arc, time::Duration};

 use file_icons::FileIcons;
-use gpui::{Animation, AnimationExt as _, ClickEvent, Entity, MouseButton, pulsating_between};
+use futures::FutureExt as _;
+use gpui::{
+    Animation, AnimationExt as _, AnyView, ClickEvent, Entity, Image, MouseButton, Task,
+    pulsating_between,
+};
+use language_model::LanguageModelImage;
 use project::Project;
 use prompt_store::PromptStore;
-use text::OffsetRangeExt;
+use rope::Point;
 use ui::{IconButtonShape, Tooltip, prelude::*, tooltip_container};

-use crate::context::{AgentContext, ContextKind, ImageStatus};
+use crate::context::{
+    AgentContext, AgentContextHandle, ContextId, ContextKind, DirectoryContext,
+    DirectoryContextHandle, FetchedUrlContext, FileContext, FileContextHandle, ImageContext,
+    ImageStatus, RulesContext, RulesContextHandle, SelectionContext, SelectionContextHandle,
+    SymbolContext, SymbolContextHandle, TextThreadContext, TextThreadContextHandle, ThreadContext,
+    ThreadContextHandle,
+};

 #[derive(IntoElement)]
 pub enum ContextPill {
@@ -72,7 +83,7 @@ impl ContextPill {

    pub fn id(&self) -> ElementId {
        match self {
-            Self::Added { context, .. } => context.context.element_id("context-pill".into()),
+            Self::Added { context, .. } => context.handle.element_id("context-pill".into()),
            Self::Suggested { .. } => "suggested-context-pill".into(),
        }
    }
@@ -165,16 +176,11 @@ impl RenderOnce for ContextPill {
                            .map(|element| match &context.status {
                                ContextStatus::Ready => element
                                    .when_some(
-                                        context.render_preview.as_ref(),
-                                        |element, render_preview| {
-                                            element.hoverable_tooltip({
-                                                let render_preview = render_preview.clone();
-                                                move |_, cx| {
-                                                    cx.new(|_| ContextPillPreview {
-                                                        render_preview: render_preview.clone(),
-                                                    })
-                                                    .into()
-                                                }
+                                        context.render_hover.as_ref(),
+                                        |element, render_hover| {
+                                            let render_hover = render_hover.clone();
+                                            element.hoverable_tooltip(move |window, cx| {
+                                                render_hover(window, cx)
                                            })
                                        },
                                    )
@@ -197,7 +203,7 @@ impl RenderOnce for ContextPill {
                    .when_some(on_remove.as_ref(), |element, on_remove| {
                        element.child(
                            IconButton::new(
-                                context.context.element_id("remove".into()),
+                                context.handle.element_id("remove".into()),
                                IconName::Close,
                            )
                            .shape(IconButtonShape::Square)
@@ -211,9 +217,10 @@ impl RenderOnce for ContextPill {
                    })
                    .when_some(on_click.as_ref(), |element, on_click| {
                        let on_click = on_click.clone();
-                        element
-                            .cursor_pointer()
-                            .on_click(move |event, window, cx| on_click(event, window, cx))
+                        element.cursor_pointer().on_click(move |event, window, cx| {
+                            on_click(event, window, cx);
+                            cx.stop_propagation();
+                        })
                    })
                    .into_any_element()
            }
@@ -249,7 +256,10 @@ impl RenderOnce for ContextPill {
                })
                .when_some(on_click.as_ref(), |element, on_click| {
                    let on_click = on_click.clone();
-                    element.on_click(move |event, window, cx| on_click(event, window, cx))
+                    element.on_click(move |event, window, cx| {
+                        on_click(event, window, cx);
+                        cx.stop_propagation();
+                    })
                })
                .into_any(),
        }
@@ -262,18 +272,16 @@ pub enum ContextStatus {
    Error { message: SharedString },
 }

-// TODO: Component commented out due to new dependency on `Project`.
-//
-// #[derive(RegisterComponent)]
+#[derive(RegisterComponent)]
 pub struct AddedContext {
-    pub context: AgentContext,
+    pub handle: AgentContextHandle,
    pub kind: ContextKind,
    pub name: SharedString,
    pub parent: Option<SharedString>,
    pub tooltip: Option<SharedString>,
    pub icon_path: Option<SharedString>,
    pub status: ContextStatus,
-    pub render_preview: Option<Rc<dyn Fn(&mut Window, &mut App) -> AnyElement + 'static>>,
+    pub render_hover: Option<Rc<dyn Fn(&mut Window, &mut App) -> AnyView + 'static>>,
 }

 impl AddedContext {
@@ -281,221 +289,469 @@ impl AddedContext {
    /// `None` if `DirectoryContext` or `RulesContext` no longer exist.
    ///
    /// TODO: `None` cases are unremovable from `ContextStore` and so are a very minor memory leak.
-    pub fn new(
-        context: AgentContext,
+    pub fn new_pending(
+        handle: AgentContextHandle,
        prompt_store: Option<&Entity<PromptStore>>,
        project: &Project,
        cx: &App,
    ) -> Option<AddedContext> {
+        match handle {
+            AgentContextHandle::File(handle) => Self::pending_file(handle, cx),
+            AgentContextHandle::Directory(handle) => Self::pending_directory(handle, project, cx),
+            AgentContextHandle::Symbol(handle) => Self::pending_symbol(handle, cx),
+            AgentContextHandle::Selection(handle) => Self::pending_selection(handle, cx),
+            AgentContextHandle::FetchedUrl(handle) => Some(Self::fetched_url(handle)),
+            AgentContextHandle::Thread(handle) => Some(Self::pending_thread(handle, cx)),
+            AgentContextHandle::TextThread(handle) => Some(Self::pending_text_thread(handle, cx)),
+            AgentContextHandle::Rules(handle) => Self::pending_rules(handle, prompt_store, cx),
+            AgentContextHandle::Image(handle) => Some(Self::image(handle)),
+        }
+    }
+
+    pub fn new_attached(context: &AgentContext, cx: &App) -> AddedContext {
        match context {
-            AgentContext::File(ref file_context) => {
-                let full_path = file_context.buffer.read(cx).file()?.full_path(cx);
-                let full_path_string: SharedString =
-                    full_path.to_string_lossy().into_owned().into();
-                let name = full_path
-                    .file_name()
-                    .map(|n| n.to_string_lossy().into_owned().into())
-                    .unwrap_or_else(|| full_path_string.clone());
-                let parent = full_path
-                    .parent()
-                    .and_then(|p| p.file_name())
-                    .map(|n| n.to_string_lossy().into_owned().into());
-                Some(AddedContext {
-                    kind: ContextKind::File,
-                    name,
-                    parent,
-                    tooltip: Some(full_path_string),
-                    icon_path: FileIcons::get_icon(&full_path, cx),
-                    status: ContextStatus::Ready,
-                    render_preview: None,
-                    context,
-                })
-            }
+            AgentContext::File(context) => Self::attached_file(context, cx),
+            AgentContext::Directory(context) => Self::attached_directory(context),
+            AgentContext::Symbol(context) => Self::attached_symbol(context, cx),
+            AgentContext::Selection(context) => Self::attached_selection(context, cx),
+            AgentContext::FetchedUrl(context) => Self::fetched_url(context.clone()),
+            AgentContext::Thread(context) => Self::attached_thread(context),
+            AgentContext::TextThread(context) => Self::attached_text_thread(context),
+            AgentContext::Rules(context) => Self::attached_rules(context),
+            AgentContext::Image(context) => Self::image(context.clone()),
+        }
+    }

-            AgentContext::Directory(ref directory_context) => {
-                let worktree = project
-                    .worktree_for_entry(directory_context.entry_id, cx)?
-                    .read(cx);
-                let entry = worktree.entry_for_id(directory_context.entry_id)?;
-                let full_path = worktree.full_path(&entry.path);
-                let full_path_string: SharedString =
-                    full_path.to_string_lossy().into_owned().into();
-                let name = full_path
-                    .file_name()
-                    .map(|n| n.to_string_lossy().into_owned().into())
-                    .unwrap_or_else(|| full_path_string.clone());
-                let parent = full_path
-                    .parent()
-                    .and_then(|p| p.file_name())
-                    .map(|n| n.to_string_lossy().into_owned().into());
-                Some(AddedContext {
-                    kind: ContextKind::Directory,
-                    name,
-                    parent,
-                    tooltip: Some(full_path_string),
-                    icon_path: None,
-                    status: ContextStatus::Ready,
-                    render_preview: None,
-                    context,
-                })
-            }
+    fn pending_file(handle: FileContextHandle, cx: &App) -> Option<AddedContext> {
+        let full_path = handle.buffer.read(cx).file()?.full_path(cx);
+        Some(Self::file(handle, &full_path, cx))
+    }

-            AgentContext::Symbol(ref symbol_context) => Some(AddedContext {
-                kind: ContextKind::Symbol,
-                name: symbol_context.symbol.clone(),
-                parent: None,
-                tooltip: None,
-                icon_path: None,
-                status: ContextStatus::Ready,
-                render_preview: None,
-                context,
-            }),
+    fn attached_file(context: &FileContext, cx: &App) -> AddedContext {
+        Self::file(context.handle.clone(), &context.full_path, cx)
+    }

-            AgentContext::Selection(ref selection_context) => {
-                let buffer = selection_context.buffer.read(cx);
-                let full_path = buffer.file()?.full_path(cx);
-                let mut full_path_string = full_path.to_string_lossy().into_owned();
-                let mut name = full_path
-                    .file_name()
-                    .map(|n| n.to_string_lossy().into_owned())
-                    .unwrap_or_else(|| full_path_string.clone());
+    fn file(handle: FileContextHandle, full_path: &Path, cx: &App) -> AddedContext {
+        let full_path_string: SharedString = full_path.to_string_lossy().into_owned().into();
+        let name = full_path
+            .file_name()
+            .map(|n| n.to_string_lossy().into_owned().into())
+            .unwrap_or_else(|| full_path_string.clone());
+        let parent = full_path
+            .parent()
+            .and_then(|p| p.file_name())
+            .map(|n| n.to_string_lossy().into_owned().into());
+        AddedContext {
+            kind: ContextKind::File,
+            name,
+            parent,
+            tooltip: Some(full_path_string),
+            icon_path: FileIcons::get_icon(&full_path, cx),
+            status: ContextStatus::Ready,
+            render_hover: None,
+            handle: AgentContextHandle::File(handle),
+        }
+    }

-                let line_range = selection_context.range.to_point(&buffer.snapshot());
+    fn pending_directory(
+        handle: DirectoryContextHandle,
+        project: &Project,
+        cx: &App,
+    ) -> Option<AddedContext> {
+        let worktree = project.worktree_for_entry(handle.entry_id, cx)?.read(cx);
+        let entry = worktree.entry_for_id(handle.entry_id)?;
+        let full_path = worktree.full_path(&entry.path);
+        Some(Self::directory(handle, &full_path))
+    }

-                let line_range_text =
-                    format!(" ({}-{})", line_range.start.row + 1, line_range.end.row + 1);
+    fn attached_directory(context: &DirectoryContext) -> AddedContext {
+        Self::directory(context.handle.clone(), &context.full_path)
+    }

-                full_path_string.push_str(&line_range_text);
-                name.push_str(&line_range_text);
+    fn directory(handle: DirectoryContextHandle, full_path: &Path) -> AddedContext {
+        let full_path_string: SharedString = full_path.to_string_lossy().into_owned().into();
+        let name = full_path
+            .file_name()
+            .map(|n| n.to_string_lossy().into_owned().into())
+            .unwrap_or_else(|| full_path_string.clone());
+        let parent = full_path
+            .parent()
+            .and_then(|p| p.file_name())
+            .map(|n| n.to_string_lossy().into_owned().into());
+        AddedContext {
+            kind: ContextKind::Directory,
+            name,
+            parent,
+            tooltip: Some(full_path_string),
+            icon_path: None,
+            status: ContextStatus::Ready,
+            render_hover: None,
+            handle: AgentContextHandle::Directory(handle),
+        }
+    }

-                let parent = full_path
-                    .parent()
-                    .and_then(|p| p.file_name())
-                    .map(|n| n.to_string_lossy().into_owned().into());
+    fn pending_symbol(handle: SymbolContextHandle, cx: &App) -> Option<AddedContext> {
+        let excerpt =
+            ContextFileExcerpt::new(&handle.full_path(cx)?, handle.enclosing_line_range(cx), cx);
+        Some(AddedContext {
+            kind: ContextKind::Symbol,
+            name: handle.symbol.clone(),
+            parent: Some(excerpt.file_name_and_range.clone()),
+            tooltip: None,
+            icon_path: None,
+            status: ContextStatus::Ready,
+            render_hover: {
+                let handle = handle.clone();
+                Some(Rc::new(move |_, cx| {
+                    excerpt.hover_view(handle.text(cx), cx).into()
+                }))
+            },
+            handle: AgentContextHandle::Symbol(handle),
+        })
+    }

-                Some(AddedContext {
-                    kind: ContextKind::Selection,
-                    name: name.into(),
-                    parent,
-                    tooltip: None,
-                    icon_path: FileIcons::get_icon(&full_path, cx),
-                    status: ContextStatus::Ready,
-                    render_preview: None,
-                    /*
-                    render_preview: Some(Rc::new({
-                        let content = selection_context.text.clone();
-                        move |_, cx| {
-                            div()
-                                .id("context-pill-selection-preview")
-                                .overflow_scroll()
-                                .max_w_128()
-                                .max_h_96()
-                                .child(Label::new(content.clone()).buffer_font(cx))
-                                .into_any_element()
-                        }
-                    })),
-                    */
-                    context,
-                })
-            }
+    fn attached_symbol(context: &SymbolContext, cx: &App) -> AddedContext {
+        let excerpt = ContextFileExcerpt::new(&context.full_path, context.line_range.clone(), cx);
+        AddedContext {
+            kind: ContextKind::Symbol,
+            name: context.handle.symbol.clone(),
+            parent: Some(excerpt.file_name_and_range.clone()),
+            tooltip: None,
+            icon_path: None,
+            status: ContextStatus::Ready,
+            render_hover: {
+                let text = context.text.clone();
+                Some(Rc::new(move |_, cx| {
+                    excerpt.hover_view(text.clone(), cx).into()
+                }))
+            },
+            handle: AgentContextHandle::Symbol(context.handle.clone()),
+        }
+    }

-            AgentContext::FetchedUrl(ref fetched_url_context) => Some(AddedContext {
-                kind: ContextKind::FetchedUrl,
-                name: fetched_url_context.url.clone(),
-                parent: None,
-                tooltip: None,
-                icon_path: None,
-                status: ContextStatus::Ready,
-                render_preview: None,
-                context,
-            }),
+    fn pending_selection(handle: SelectionContextHandle, cx: &App) -> Option<AddedContext> {
+        let excerpt = ContextFileExcerpt::new(&handle.full_path(cx)?, handle.line_range(cx), cx);
+        Some(AddedContext {
+            kind: ContextKind::Selection,
+            name: excerpt.file_name_and_range.clone(),
+            parent: excerpt.parent_name.clone(),
+            tooltip: None,
+            icon_path: excerpt.icon_path.clone(),
+            status: ContextStatus::Ready,
+            render_hover: {
+                let handle = handle.clone();
+                Some(Rc::new(move |_, cx| {
+                    excerpt.hover_view(handle.text(cx), cx).into()
+                }))
+            },
+            handle: AgentContextHandle::Selection(handle),
+        })
+    }

-            AgentContext::Thread(ref thread_context) => Some(AddedContext {
-                kind: ContextKind::Thread,
-                name: thread_context.name(cx),
-                parent: None,
-                tooltip: None,
-                icon_path: None,
-                status: if thread_context
-                    .thread
-                    .read(cx)
-                    .is_generating_detailed_summary()
-                {
-                    ContextStatus::Loading {
-                        message: "Summarizing…".into(),
-                    }
-                } else {
-                    ContextStatus::Ready
+    fn attached_selection(context: &SelectionContext, cx: &App) -> AddedContext {
+        let excerpt = ContextFileExcerpt::new(&context.full_path, context.line_range.clone(), cx);
+        AddedContext {
+            kind: ContextKind::Selection,
+            name: excerpt.file_name_and_range.clone(),
+            parent: excerpt.parent_name.clone(),
+            tooltip: None,
+            icon_path: excerpt.icon_path.clone(),
+            status: ContextStatus::Ready,
+            render_hover: {
+                let text = context.text.clone();
+                Some(Rc::new(move |_, cx| {
+                    excerpt.hover_view(text.clone(), cx).into()
+                }))
+            },
+            handle: AgentContextHandle::Selection(context.handle.clone()),
+        }
+    }
+
+    fn fetched_url(context: FetchedUrlContext) -> AddedContext {
+        AddedContext {
+            kind: ContextKind::FetchedUrl,
+            name: context.url.clone(),
+            parent: None,
+            tooltip: None,
+            icon_path: None,
+            status: ContextStatus::Ready,
+            render_hover: None,
+            handle: AgentContextHandle::FetchedUrl(context),
+        }
+    }
+
+    fn pending_thread(handle: ThreadContextHandle, cx: &App) -> AddedContext {
+        AddedContext {
+            kind: ContextKind::Thread,
+            name: handle.title(cx),
+            parent: None,
+            tooltip: None,
+            icon_path: None,
+            status: if handle.thread.read(cx).is_generating_detailed_summary() {
+                ContextStatus::Loading {
+                    message: "Summarizing…".into(),
+                }
+            } else {
+                ContextStatus::Ready
+            },
+            render_hover: {
+                let thread = handle.thread.clone();
+                Some(Rc::new(move |_, cx| {
+                    let text = thread.read(cx).latest_detailed_summary_or_text();
+                    ContextPillHover::new_text(text.clone(), cx).into()
+                }))
+            },
+            handle: AgentContextHandle::Thread(handle),
+        }
+    }
+
+    fn attached_thread(context: &ThreadContext) -> AddedContext {
+        AddedContext {
+            kind: ContextKind::Thread,
+            name: context.title.clone(),
+            parent: None,
+            tooltip: None,
+            icon_path: None,
+            status: ContextStatus::Ready,
+            render_hover: {
+                let text = context.text.clone();
+                Some(Rc::new(move |_, cx| {
+                    ContextPillHover::new_text(text.clone(), cx).into()
+                }))
+            },
+            handle: AgentContextHandle::Thread(context.handle.clone()),
+        }
+    }
+
+    fn pending_text_thread(handle: TextThreadContextHandle, cx: &App) -> AddedContext {
+        AddedContext {
+            kind: ContextKind::TextThread,
+            name: handle.title(cx),
+            parent: None,
+            tooltip: None,
+            icon_path: None,
+            status: ContextStatus::Ready,
+            render_hover: {
+                let context = handle.context.clone();
+                Some(Rc::new(move |_, cx| {
+                    let text = context.read(cx).to_xml(cx);
+                    ContextPillHover::new_text(text.into(), cx).into()
+                }))
+            },
+            handle: AgentContextHandle::TextThread(handle),
+        }
+    }
+
+    fn attached_text_thread(context: &TextThreadContext) -> AddedContext {
+        AddedContext {
+            kind: ContextKind::TextThread,
+            name: context.title.clone(),
+            parent: None,
+            tooltip: None,
+            icon_path: None,
+            status: ContextStatus::Ready,
+            render_hover: {
+                let text = context.text.clone();
+                Some(Rc::new(move |_, cx| {
+                    ContextPillHover::new_text(text.clone(), cx).into()
+                }))
+            },
+            handle: AgentContextHandle::TextThread(context.handle.clone()),
+        }
+    }
+
+    fn pending_rules(
+        handle: RulesContextHandle,
+        prompt_store: Option<&Entity<PromptStore>>,
+        cx: &App,
+    ) -> Option<AddedContext> {
+        let title = prompt_store
+            .as_ref()?
+            .read(cx)
+            .metadata(handle.prompt_id.into())?
+            .title
+            .unwrap_or_else(|| "Unnamed Rule".into());
+        Some(AddedContext {
+            kind: ContextKind::Rules,
+            name: title.clone(),
+            parent: None,
+            tooltip: None,
+            icon_path: None,
+            status: ContextStatus::Ready,
+            render_hover: None,
+            handle: AgentContextHandle::Rules(handle),
+        })
+    }
+
+    fn attached_rules(context: &RulesContext) -> AddedContext {
+        let title = context
+            .title
+            .clone()
+            .unwrap_or_else(|| "Unnamed Rule".into());
+        AddedContext {
+            kind: ContextKind::Rules,
+            name: title,
+            parent: None,
+            tooltip: None,
+            icon_path: None,
+            status: ContextStatus::Ready,
+            render_hover: {
+                let text = context.text.clone();
+                Some(Rc::new(move |_, cx| {
+                    ContextPillHover::new_text(text.clone(), cx).into()
+                }))
+            },
+            handle: AgentContextHandle::Rules(context.handle.clone()),
+        }
+    }
+
+    fn image(context: ImageContext) -> AddedContext {
+        AddedContext {
+            kind: ContextKind::Image,
+            name: "Image".into(),
+            parent: None,
+            tooltip: None,
+            icon_path: None,
+            status: match context.status() {
+                ImageStatus::Loading => ContextStatus::Loading {
+                    message: "Loading…".into(),
                },
-                render_preview: None,
-                context,
-            }),
-
-            AgentContext::Rules(ref user_rules_context) => {
-                let name = prompt_store
-                    .as_ref()?
-                    .read(cx)
-                    .metadata(user_rules_context.prompt_id.into())?
-                    .title?;
-                Some(AddedContext {
-                    kind: ContextKind::Rules,
-                    name: name.clone(),
-                    parent: None,
-                    tooltip: None,
-                    icon_path: None,
-                    status: ContextStatus::Ready,
-                    render_preview: None,
-                    context,
-                })
-            }
-
-            AgentContext::Image(ref image_context) => Some(AddedContext {
-                kind: ContextKind::Image,
-                name: "Image".into(),
-                parent: None,
-                tooltip: None,
-                icon_path: None,
-                status: match image_context.status() {
-                    ImageStatus::Loading => ContextStatus::Loading {
-                        message: "Loading…".into(),
-                    },
-                    ImageStatus::Error => ContextStatus::Error {
-                        message: "Failed to load image".into(),
-                    },
-                    ImageStatus::Ready => ContextStatus::Ready,
+                ImageStatus::Error => ContextStatus::Error {
+                    message: "Failed to load image".into(),
                },
-                render_preview: Some(Rc::new({
-                    let image = image_context.original_image.clone();
-                    move |_, _| {
+                ImageStatus::Ready => ContextStatus::Ready,
+            },
+            render_hover: Some(Rc::new({
+                let image = context.original_image.clone();
+                move |_, cx| {
+                    let image = image.clone();
+                    ContextPillHover::new(cx, move |_, _| {
                        gpui::img(image.clone())
                            .max_w_96()
                            .max_h_96()
                            .into_any_element()
-                    }
-                })),
-                context,
-            }),
+                    })
+                    .into()
+                }
+            })),
+            handle: AgentContextHandle::Image(context),
        }
    }
 }

-struct ContextPillPreview {
-    render_preview: Rc<dyn Fn(&mut Window, &mut App) -> AnyElement>,
+#[derive(Debug, Clone)]
+struct ContextFileExcerpt {
+    pub file_name_and_range: SharedString,
+    pub full_path_and_range: SharedString,
+    pub parent_name: Option<SharedString>,
+    pub icon_path: Option<SharedString>,
 }

-impl Render for ContextPillPreview {
+impl ContextFileExcerpt {
+    pub fn new(full_path: &Path, line_range: Range<Point>, cx: &App) -> Self {
+        let full_path_string = full_path.to_string_lossy().into_owned();
+        let file_name = full_path
+            .file_name()
+            .map(|n| n.to_string_lossy().into_owned())
+            .unwrap_or_else(|| full_path_string.clone());
+
+        let line_range_text = format!(" ({}-{})", line_range.start.row + 1, line_range.end.row + 1);
+        let mut full_path_and_range = full_path_string;
+        full_path_and_range.push_str(&line_range_text);
+        let mut file_name_and_range = file_name;
+        file_name_and_range.push_str(&line_range_text);
+
+        let parent_name = full_path
+            .parent()
+            .and_then(|p| p.file_name())
+            .map(|n| n.to_string_lossy().into_owned().into());
+
+        let icon_path = FileIcons::get_icon(&full_path, cx);
+
+        ContextFileExcerpt {
+            file_name_and_range: file_name_and_range.into(),
+            full_path_and_range: full_path_and_range.into(),
+            parent_name,
+            icon_path,
+        }
+    }
+
+    fn hover_view(&self, text: SharedString, cx: &mut App) -> Entity<ContextPillHover> {
+        let icon_path = self.icon_path.clone();
+        let full_path_and_range = self.full_path_and_range.clone();
+        ContextPillHover::new(cx, move |_, cx| {
+            v_flex()
+                .child(
+                    h_flex()
+                        .gap_0p5()
+                        .w_full()
+                        .max_w_full()
+                        .border_b_1()
+                        .border_color(cx.theme().colors().border.opacity(0.6))
+                        .children(
+                            icon_path
+                                .clone()
+                                .map(Icon::from_path)
+                                .map(|icon| icon.color(Color::Muted).size(IconSize::XSmall)),
+                        )
+                        .child(
+                            // TODO: make this truncate on the left.
+                            Label::new(full_path_and_range.clone())
+                                .size(LabelSize::Small)
+                                .ml_1(),
+                        ),
+                )
+                .child(
+                    div()
+                        .id("context-pill-hover-contents")
+                        .overflow_scroll()
+                        .max_w_128()
+                        .max_h_96()
+                        .child(Label::new(text.clone()).buffer_font(cx)),
+                )
+                .into_any_element()
+        })
+    }
+}
+
+struct ContextPillHover {
+    render_hover: Box<dyn Fn(&mut Window, &mut App) -> AnyElement>,
+}
+
+impl ContextPillHover {
+    fn new(
+        cx: &mut App,
+        render_hover: impl Fn(&mut Window, &mut App) -> AnyElement + 'static,
+    ) -> Entity<Self> {
+        cx.new(|_| Self {
+            render_hover: Box::new(render_hover),
+        })
+    }
+
+    fn new_text(content: SharedString, cx: &mut App) -> Entity<Self> {
+        Self::new(cx, move |_, _| {
+            div()
+                .id("context-pill-hover-contents")
+                .overflow_scroll()
+                .max_w_128()
+                .max_h_96()
+                .child(content.clone())
+                .into_any_element()
+        })
+    }
+}
+
+impl Render for ContextPillHover {
    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
        tooltip_container(window, cx, move |this, window, cx| {
            this.occlude()
                .on_mouse_move(|_, _, cx| cx.stop_propagation())
                .on_mouse_down(MouseButton::Left, |_, _, cx| cx.stop_propagation())
-                .child((self.render_preview)(window, cx))
+                .child((self.render_hover)(window, cx))
        })
    }
 }

-// TODO: Component commented out due to new dependency on `Project`.
-/*
 impl Component for AddedContext {
    fn scope() -> ComponentScope {
        ComponentScope::Agent
@@ -505,47 +761,41 @@ impl Component for AddedContext {
        "AddedContext"
    }

-    fn preview(_window: &mut Window, _cx: &mut App) -> Option<AnyElement> {
-        let next_context_id = ContextId::zero();
+    fn preview(_window: &mut Window, cx: &mut App) -> Option<AnyElement> {
+        let mut next_context_id = ContextId::zero();
        let image_ready = (
            "Ready",
-            AddedContext::new(
-                AgentContext::Image(ImageContext {
-                    context_id: next_context_id.post_inc(),
-                    original_image: Arc::new(Image::empty()),
-                    image_task: Task::ready(Some(LanguageModelImage::empty())).shared(),
-                }),
-                cx,
-            ),
+            AddedContext::image(ImageContext {
+                context_id: next_context_id.post_inc(),
+                project_path: None,
+                original_image: Arc::new(Image::empty()),
+                image_task: Task::ready(Some(LanguageModelImage::empty())).shared(),
+            }),
        );

        let image_loading = (
            "Loading",
-            AddedContext::new(
-                AgentContext::Image(ImageContext {
-                    context_id: next_context_id.post_inc(),
-                    original_image: Arc::new(Image::empty()),
-                    image_task: cx
-                        .background_spawn(async move {
-                            smol::Timer::after(Duration::from_secs(60 * 5)).await;
-                            Some(LanguageModelImage::empty())
-                        })
-                        .shared(),
-                }),
-                cx,
-            ),
+            AddedContext::image(ImageContext {
+                context_id: next_context_id.post_inc(),
+                project_path: None,
+                original_image: Arc::new(Image::empty()),
+                image_task: cx
+                    .background_spawn(async move {
+                        smol::Timer::after(Duration::from_secs(60 * 5)).await;
+                        Some(LanguageModelImage::empty())
+                    })
+                    .shared(),
+            }),
        );

        let image_error = (
            "Error",
-            AddedContext::new(
-                AgentContext::Image(ImageContext {
-                    context_id: next_context_id.post_inc(),
-                    original_image: Arc::new(Image::empty()),
-                    image_task: Task::ready(None).shared(),
-                }),
-                cx,
-            ),
+            AddedContext::image(ImageContext {
+                context_id: next_context_id.post_inc(),
+                project_path: None,
+                original_image: Arc::new(Image::empty()),
+                image_task: Task::ready(None).shared(),
+            }),
        );

        Some(
@@ -563,8 +813,5 @@ impl Component for AddedContext {
                )
                .into_any(),
        )
-
-        None
    }
 }
-*/
--- a/crates/agent/src/ui/max_mode_tooltip.rs
+++ b/crates/agent/src/ui/max_mode_tooltip.rs
@@ -0,0 +1,59 @@
+use gpui::{Context, IntoElement, Render, Window};
+use ui::{prelude::*, tooltip_container};
+
+pub struct MaxModeTooltip {
+    selected: bool,
+}
+
+impl MaxModeTooltip {
+    pub fn new() -> Self {
+        Self { selected: false }
+    }
+
+    pub fn selected(mut self, selected: bool) -> Self {
+        self.selected = selected;
+        self
+    }
+}
+
+impl Render for MaxModeTooltip {
+    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+        tooltip_container(window, cx, |this, _, _| {
+            this.gap_1()
+                .map(|header| if self.selected {
+                    header.child(
+                        h_flex()
+                            .justify_between()
+                            .child(
+                                h_flex()
+                                    .gap_1p5()
+                                    .child(Icon::new(IconName::ZedMaxMode).size(IconSize::Small).color(Color::Accent))
+                                    .child(Label::new("Zed's Max Mode"))
+                            )
+                            .child(
+                                h_flex()
+                                    .gap_0p5()
+                                    .child(Icon::new(IconName::Check).size(IconSize::XSmall).color(Color::Accent))
+                                    .child(Label::new("Turned On").size(LabelSize::XSmall).color(Color::Accent))
+                            )
+                    )
+                } else {
+                    header.child(
+                        h_flex()
+                            .gap_1p5()
+                            .child(Icon::new(IconName::ZedMaxMode).size(IconSize::Small))
+                            .child(Label::new("Zed's Max Mode"))
+                    )
+                })
+                .child(
+                    div()
+                        .max_w_72()
+                        .child(
+                            Label::new("This mode enables models to use large context windows, unlimited tool calls, and other capabilities for expanded reasoning, offering an unfettered agentic experience.")
+                                .size(LabelSize::Small)
+                                .color(Color::Muted)
+                        )
+                )
+        })
+    }
+}
--- a/crates/agent/src/ui/onboarding_modal.rs
+++ b/crates/agent/src/ui/onboarding_modal.rs
@@ -0,0 +1,174 @@
+use gpui::{
+    ClickEvent, DismissEvent, Entity, EventEmitter, FocusHandle, Focusable, MouseDownEvent, Render,
+};
+use ui::{TintColor, Vector, VectorName, prelude::*};
+use workspace::{ModalView, Workspace};
+
+use crate::agent_panel::AgentPanel;
+
+macro_rules! agent_onboarding_event {
+    ($name:expr) => {
+        telemetry::event!($name, source = "Agent Onboarding");
+    };
+    ($name:expr, $($key:ident $(= $value:expr)?),+ $(,)?) => {
+        telemetry::event!($name, source = "Agent Onboarding", $($key $(= $value)?),+);
+    };
+}
+
+pub struct AgentOnboardingModal {
+    focus_handle: FocusHandle,
+    workspace: Entity<Workspace>,
+}
+
+impl AgentOnboardingModal {
+    pub fn toggle(workspace: &mut Workspace, window: &mut Window, cx: &mut Context<Workspace>) {
+        let workspace_entity = cx.entity();
+        workspace.toggle_modal(window, cx, |_window, cx| Self {
+            workspace: workspace_entity,
+            focus_handle: cx.focus_handle(),
+        });
+    }
+
+    fn open_panel(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
+        self.workspace.update(cx, |workspace, cx| {
+            workspace.focus_panel::<AgentPanel>(window, cx);
+        });
+
+        cx.emit(DismissEvent);
+
+        agent_onboarding_event!("Open Panel Clicked");
+    }
+
+    fn view_blog(&mut self, _: &ClickEvent, _: &mut Window, cx: &mut Context<Self>) {
+        cx.open_url("http://zed.dev/blog/fastest-ai-code-editor");
+        cx.notify();
+
+        agent_onboarding_event!("Blog Link Clicked");
+    }
+
+    fn cancel(&mut self, _: &menu::Cancel, _: &mut Window, cx: &mut Context<Self>) {
+        cx.emit(DismissEvent);
+    }
+}
+
+impl EventEmitter<DismissEvent> for AgentOnboardingModal {}
+
+impl Focusable for AgentOnboardingModal {
+    fn focus_handle(&self, _cx: &App) -> FocusHandle {
+        self.focus_handle.clone()
+    }
+}
+
+impl ModalView for AgentOnboardingModal {}
+
+impl Render for AgentOnboardingModal {
+    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+        let window_height = window.viewport_size().height;
+        let max_height = window_height - px(200.);
+
+        let base = v_flex()
+            .id("agent-onboarding")
+            .key_context("AgentOnboardingModal")
+            .relative()
+            .w(px(450.))
+            .h_full()
+            .max_h(max_height)
+            .p_4()
+            .gap_2()
+            .elevation_3(cx)
+            .track_focus(&self.focus_handle(cx))
+            .overflow_hidden()
+            .on_action(cx.listener(Self::cancel))
+            .on_action(cx.listener(|_, _: &menu::Cancel, _window, cx| {
+                agent_onboarding_event!("Canceled", trigger = "Action");
+                cx.emit(DismissEvent);
+            }))
+            .on_any_mouse_down(cx.listener(|this, _: &MouseDownEvent, window, _cx| {
+                this.focus_handle.focus(window);
+            }))
+            .child(
+                div()
+                    .absolute()
+                    .top_0()
+                    .right(px(-1.0))
+                    .w(px(441.))
+                    .h(px(240.))
+                    .child(
+                        Vector::new(VectorName::Grid, rems_from_px(441.), rems_from_px(240.))
+                            .color(ui::Color::Custom(cx.theme().colors().text.alpha(0.05))),
+                    ),
+            )
+            .child(
+                div()
+                    .absolute()
+                    .top(px(-8.0))
+                    .right_0()
+                    .w(px(400.))
+                    .h(px(92.))
+                    .child(
+                        Vector::new(VectorName::AiGrid, rems_from_px(400.), rems_from_px(92.))
+                            .color(ui::Color::Custom(cx.theme().colors().text.alpha(0.32))),
+                    ),
+            )
+            .child(
+                div()
+                    .absolute()
+                    .inset_0()
+                    .size_full()
+                    .bg(gpui::linear_gradient(
+                        175.,
+                        gpui::linear_color_stop(
+                            cx.theme().colors().elevated_surface_background,
+                            0.,
+                        ),
+                        gpui::linear_color_stop(
+                            cx.theme().colors().elevated_surface_background.opacity(0.),
+                            0.8,
+                        ),
+                    )),
+            )
+            .child(
+                v_flex()
+                    .w_full()
+                    .gap_1()
+                    .child(
+                        Label::new("Introducing")
+                            .size(LabelSize::Small)
+                            .color(Color::Muted),
+                    )
+                    .child(Headline::new("Agentic Editing in Zed").size(HeadlineSize::Large)),
+            )
+            .child(h_flex().absolute().top_2().right_2().child(
+                IconButton::new("cancel", IconName::X).on_click(cx.listener(
+                    |_, _: &ClickEvent, _window, cx| {
+                        agent_onboarding_event!("Cancelled", trigger = "X click");
+                        cx.emit(DismissEvent);
+                    },
+                )),
+            ));
+
+        let open_panel_button = Button::new("open-panel", "Get Started with the Agent Panel")
+            .icon_size(IconSize::Indicator)
+            .style(ButtonStyle::Tinted(TintColor::Accent))
+            .full_width()
+            .on_click(cx.listener(Self::open_panel));
+
+        let blog_post_button = Button::new("view-blog", "Check out the Blog Post")
+            .icon(IconName::ArrowUpRight)
+            .icon_size(IconSize::Indicator)
+            .icon_color(Color::Muted)
+            .full_width()
+            .on_click(cx.listener(Self::view_blog));
+
+        let copy = "Zed now natively supports agentic editing, enabling fluid collaboration between humans and AI.";
+
+        base.child(Label::new(copy).color(Color::Muted)).child(
+            v_flex()
+                .w_full()
+                .mt_2()
+                .gap_2()
+                .child(open_panel_button)
+                .child(blog_post_button),
+        )
+    }
+}
--- a/crates/agent/src/ui/preview.rs
+++ b/crates/agent/src/ui/preview.rs
@@ -0,0 +1,5 @@
+mod agent_preview;
+mod usage_callouts;
+
+pub use agent_preview::*;
+pub use usage_callouts::*;
--- a/crates/agent/src/ui/preview/agent_preview.rs
+++ b/crates/agent/src/ui/preview/agent_preview.rs
@@ -0,0 +1,85 @@
+use collections::HashMap;
+use component::ComponentId;
+use gpui::{App, Entity, WeakEntity};
+use linkme::distributed_slice;
+use std::sync::OnceLock;
+use ui::{AnyElement, Component, ComponentScope, Window};
+use workspace::Workspace;
+
+use crate::ActiveThread;
+
+/// Function type for creating agent component previews
+pub type PreviewFn =
+    fn(WeakEntity<Workspace>, Entity<ActiveThread>, &mut Window, &mut App) -> Option<AnyElement>;
+
+/// Distributed slice for preview registration functions
+#[distributed_slice]
+pub static __ALL_AGENT_PREVIEWS: [fn() -> (ComponentId, PreviewFn)] = [..];
+
+/// Trait that must be implemented by components that provide agent previews.
+pub trait AgentPreview: Component + Sized {
+    #[allow(unused)] // We can't know this is used due to the distributed slice
+    fn scope(&self) -> ComponentScope {
+        ComponentScope::Agent
+    }
+
+    /// Static method to create a preview for this component type
+    fn agent_preview(
+        workspace: WeakEntity<Workspace>,
+        active_thread: Entity<ActiveThread>,
+        window: &mut Window,
+        cx: &mut App,
+    ) -> Option<AnyElement>;
+}
+
+/// Register an agent preview for the given component type
+#[macro_export]
+macro_rules! register_agent_preview {
+    ($type:ty) => {
+        #[linkme::distributed_slice($crate::ui::preview::__ALL_AGENT_PREVIEWS)]
+        static __REGISTER_AGENT_PREVIEW: fn() -> (
+            component::ComponentId,
+            $crate::ui::preview::PreviewFn,
+        ) = || {
+            (
+                <$type as component::Component>::id(),
+                <$type as $crate::ui::preview::AgentPreview>::agent_preview,
+            )
+        };
+    };
+}
+
+/// Lazy initialized registry of preview functions
+static AGENT_PREVIEW_REGISTRY: OnceLock<HashMap<ComponentId, PreviewFn>> = OnceLock::new();
+
+/// Initialize the agent preview registry if needed
+fn get_or_init_registry() -> &'static HashMap<ComponentId, PreviewFn> {
+    AGENT_PREVIEW_REGISTRY.get_or_init(|| {
+        let mut map = HashMap::default();
+        for register_fn in __ALL_AGENT_PREVIEWS.iter() {
+            let (id, preview_fn) = register_fn();
+            map.insert(id, preview_fn);
+        }
+        map
+    })
+}
+
+/// Get a specific agent preview by component ID.
+pub fn get_agent_preview(
+    id: &ComponentId,
+    workspace: WeakEntity<Workspace>,
+    active_thread: Entity<ActiveThread>,
+    window: &mut Window,
+    cx: &mut App,
+) -> Option<AnyElement> {
+    let registry = get_or_init_registry();
+    registry
+        .get(id)
+        .and_then(|preview_fn| preview_fn(workspace, active_thread, window, cx))
+}
+
+/// Get all registered agent previews.
+pub fn all_agent_previews() -> Vec<ComponentId> {
+    let registry = get_or_init_registry();
+    registry.keys().cloned().collect()
+}
--- a/crates/agent/src/ui/preview/usage_callouts.rs
+++ b/crates/agent/src/ui/preview/usage_callouts.rs
@@ -0,0 +1,203 @@
+use client::zed_urls;
+use component::{empty_example, example_group_with_title, single_example};
+use gpui::{AnyElement, App, IntoElement, RenderOnce, Window};
+use language_model::RequestUsage;
+use ui::{Callout, Color, Icon, IconName, IconSize, prelude::*};
+use zed_llm_client::{Plan, UsageLimit};
+
+#[derive(IntoElement, RegisterComponent)]
+pub struct UsageCallout {
+    plan: Plan,
+    usage: RequestUsage,
+}
+
+impl UsageCallout {
+    pub fn new(plan: Plan, usage: RequestUsage) -> Self {
+        Self { plan, usage }
+    }
+}
+
+impl RenderOnce for UsageCallout {
+    fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
+        let (is_limit_reached, is_approaching_limit, remaining) = match self.usage.limit {
+            UsageLimit::Limited(limit) => {
+                let percentage = self.usage.amount as f32 / limit as f32;
+                let is_limit_reached = percentage >= 1.0;
+                let is_near_limit = percentage >= 0.9 && percentage < 1.0;
+                (
+                    is_limit_reached,
+                    is_near_limit,
+                    limit.saturating_sub(self.usage.amount),
+                )
+            }
+            UsageLimit::Unlimited => (false, false, 0),
+        };
+
+        if !is_limit_reached && !is_approaching_limit {
+            return div().into_any_element();
+        }
+
+        let (title, message, button_text, url) = if is_limit_reached {
+            match self.plan {
+                Plan::Free => (
+                    "Out of free prompts",
+                    "Upgrade to continue, wait for the next reset, or switch to API key."
+                        .to_string(),
+                    "Upgrade",
+                    zed_urls::account_url(cx),
+                ),
+                Plan::ZedProTrial => (
+                    "Out of trial prompts",
+                    "Upgrade to Zed Pro to continue, or switch to API key.".to_string(),
+                    "Upgrade",
+                    zed_urls::account_url(cx),
+                ),
+                Plan::ZedPro => (
+                    "Out of included prompts",
+                    "Enable usage-based billing to continue.".to_string(),
+                    "Manage",
+                    zed_urls::account_url(cx),
+                ),
+            }
+        } else {
+            match self.plan {
+                Plan::Free => (
+                    "Reaching free plan limit soon",
+                    format!(
+                        "{remaining} remaining - Upgrade to increase limit, or switch providers",
+                    ),
+                    "Upgrade",
+                    zed_urls::account_url(cx),
+                ),
+                Plan::ZedProTrial => (
+                    "Reaching trial limit soon",
+                    format!(
+                        "{remaining} remaining - Upgrade to increase limit, or switch providers",
+                    ),
+                    "Upgrade",
+                    zed_urls::account_url(cx),
+                ),
+                _ => return div().into_any_element(),
+            }
+        };
+
+        let icon = if is_limit_reached {
+            Icon::new(IconName::X)
+                .color(Color::Error)
+                .size(IconSize::XSmall)
+        } else {
+            Icon::new(IconName::Warning)
+                .color(Color::Warning)
+                .size(IconSize::XSmall)
+        };
+
+        Callout::multi_line(
+            title,
+            message,
+            icon,
+            button_text,
+            Box::new(move |_, _, cx| {
+                cx.open_url(&url);
+            }),
+        )
+        .into_any_element()
+    }
+}
+
+impl Component for UsageCallout {
+    fn scope() -> ComponentScope {
+        ComponentScope::Agent
+    }
+
+    fn sort_name() -> &'static str {
+        "AgentUsageCallout"
+    }
+
+    fn preview(_window: &mut Window, _cx: &mut App) -> Option<AnyElement> {
+        let free_examples = example_group_with_title(
+            "Free Plan",
+            vec![
+                single_example(
+                    "Approaching limit (90%)",
+                    UsageCallout::new(
+                        Plan::Free,
+                        RequestUsage {
+                            limit: UsageLimit::Limited(50),
+                            amount: 45, // 90% of limit
+                        },
+                    )
+                    .into_any_element(),
+                ),
+                single_example(
+                    "Limit reached (100%)",
+                    UsageCallout::new(
+                        Plan::Free,
+                        RequestUsage {
+                            limit: UsageLimit::Limited(50),
+                            amount: 50, // 100% of limit
+                        },
+                    )
+                    .into_any_element(),
+                ),
+            ],
+        );
+
+        let trial_examples = example_group_with_title(
+            "Zed Pro Trial",
+            vec![
+                single_example(
+                    "Approaching limit (90%)",
+                    UsageCallout::new(
+                        Plan::ZedProTrial,
+                        RequestUsage {
+                            limit: UsageLimit::Limited(150),
+                            amount: 135, // 90% of limit
+                        },
+                    )
+                    .into_any_element(),
+                ),
+                single_example(
+                    "Limit reached (100%)",
+                    UsageCallout::new(
+                        Plan::ZedProTrial,
+                        RequestUsage {
+                            limit: UsageLimit::Limited(150),
+                            amount: 150, // 100% of limit
+                        },
+                    )
+                    .into_any_element(),
+                ),
+            ],
+        );
+
+        let pro_examples = example_group_with_title(
+            "Zed Pro",
+            vec![
+                single_example(
+                    "Limit reached (100%)",
+                    UsageCallout::new(
+                        Plan::ZedPro,
+                        RequestUsage {
+                            limit: UsageLimit::Limited(500),
+                            amount: 500, // 100% of limit
+                        },
+                    )
+                    .into_any_element(),
+                ),
+                empty_example("Unlimited plan (no callout shown)"),
+            ],
+        );
+
+        Some(
+            div()
+                .p_4()
+                .flex()
+                .flex_col()
+                .gap_4()
+                .child(free_examples)
+                .child(trial_examples)
+                .child(pro_examples)
+                .into_any_element(),
+        )
+    }
+}
--- a/crates/agent/src/ui/upsell.rs
+++ b/crates/agent/src/ui/upsell.rs
@@ -0,0 +1,163 @@
+use component::{Component, ComponentScope, single_example};
+use gpui::{
+    AnyElement, App, ClickEvent, IntoElement, ParentElement, RenderOnce, SharedString, Styled,
+    Window,
+};
+use theme::ActiveTheme;
+use ui::{
+    Button, ButtonCommon, ButtonStyle, Checkbox, Clickable, Color, Label, LabelCommon,
+    RegisterComponent, ToggleState, h_flex, v_flex,
+};
+
+/// A component that displays an upsell message with a call-to-action button
+///
+/// # Example
+/// ```
+/// let upsell = Upsell::new(
+///     "Upgrade to Zed Pro",
+///     "Get access to advanced AI features and more",
+///     "Upgrade Now",
+///     Box::new(|_, _window, cx| {
+///         cx.open_url("https://zed.dev/pricing");
+///     }),
+///     Box::new(|_, _window, cx| {
+///         // Handle dismiss
+///     }),
+///     Box::new(|checked, window, cx| {
+///         // Handle don't show again
+///     }),
+/// );
+/// ```
+#[derive(IntoElement, RegisterComponent)]
+pub struct Upsell {
+    title: SharedString,
+    message: SharedString,
+    cta_text: SharedString,
+    on_click: Box<dyn Fn(&ClickEvent, &mut Window, &mut App) + 'static>,
+    on_dismiss: Box<dyn Fn(&ClickEvent, &mut Window, &mut App) + 'static>,
+    on_dont_show_again: Box<dyn Fn(bool, &mut Window, &mut App) + 'static>,
+}
+
+impl Upsell {
+    /// Create a new upsell component
+    pub fn new(
+        title: impl Into<SharedString>,
+        message: impl Into<SharedString>,
+        cta_text: impl Into<SharedString>,
+        on_click: Box<dyn Fn(&ClickEvent, &mut Window, &mut App) + 'static>,
+        on_dismiss: Box<dyn Fn(&ClickEvent, &mut Window, &mut App) + 'static>,
+        on_dont_show_again: Box<dyn Fn(bool, &mut Window, &mut App) + 'static>,
+    ) -> Self {
+        Self {
+            title: title.into(),
+            message: message.into(),
+            cta_text: cta_text.into(),
+            on_click,
+            on_dismiss,
+            on_dont_show_again,
+        }
+    }
+}
+
+impl RenderOnce for Upsell {
+    fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
+        v_flex()
+            .w_full()
+            .p_4()
+            .gap_3()
+            .bg(cx.theme().colors().surface_background)
+            .rounded_md()
+            .border_1()
+            .border_color(cx.theme().colors().border)
+            .child(
+                v_flex()
+                    .gap_1()
+                    .child(
+                        Label::new(self.title)
+                            .size(ui::LabelSize::Large)
+                            .weight(gpui::FontWeight::BOLD),
+                    )
+                    .child(Label::new(self.message).color(Color::Muted)),
+            )
+            .child(
+                h_flex()
+                    .w_full()
+                    .justify_between()
+                    .items_center()
+                    .child(
+                        h_flex()
+                            .items_center()
+                            .gap_1()
+                            .child(
+                                Checkbox::new("dont-show-again", ToggleState::Unselected).on_click(
+                                    move |_, window, cx| {
+                                        (self.on_dont_show_again)(true, window, cx);
+                                    },
+                                ),
+                            )
+                            .child(
+                                Label::new("Don't show again")
+                                    .color(Color::Muted)
+                                    .size(ui::LabelSize::Small),
+                            ),
+                    )
+                    .child(
+                        h_flex()
+                            .gap_2()
+                            .child(
+                                Button::new("dismiss-button", "No Thanks")
+                                    .style(ButtonStyle::Subtle)
+                                    .on_click(self.on_dismiss),
+                            )
+                            .child(
+                                Button::new("cta-button", self.cta_text)
+                                    .style(ButtonStyle::Filled)
+                                    .on_click(self.on_click),
+                            ),
+                    ),
+            )
+    }
+}
+
+impl Component for Upsell {
+    fn scope() -> ComponentScope {
+        ComponentScope::Agent
+    }
+
+    fn name() -> &'static str {
+        "Upsell"
+    }
+
+    fn description() -> Option<&'static str> {
+        Some("A promotional component that displays a message with a call-to-action.")
+    }
+
+    fn preview(window: &mut Window, cx: &mut App) -> Option<AnyElement> {
+        let examples = vec![
+            single_example(
+                "Default",
+                Upsell::new(
+                    "Upgrade to Zed Pro",
+                    "Get unlimited access to AI features and more with Zed Pro. Unlock advanced AI capabilities and other premium features.",
+                    "Upgrade Now",
+                    Box::new(|_, _, _| {}),
+                    Box::new(|_, _, _| {}),
+                    Box::new(|_, _, _| {}),
+                ).render(window, cx).into_any_element(),
+            ),
+            single_example(
+                "Short Message",
+                Upsell::new(
+                    "Try Zed Pro for free",
+                    "Start your 7-day trial today.",
+                    "Start Trial",
+                    Box::new(|_, _, _| {}),
+                    Box::new(|_, _, _| {}),
+                    Box::new(|_, _, _| {}),
+                ).render(window, cx).into_any_element(),
+            ),
+        ];
+
+        Some(v_flex().gap_4().children(examples).into_any_element())
+    }
+}
--- a/crates/agent/src/ui/usage_banner.rs
+++ b/crates/agent/src/ui/usage_banner.rs
@@ -1,258 +0,0 @@
-use client::zed_urls;
-use language_model::RequestUsage;
-use ui::{Banner, ProgressBar, Severity, prelude::*};
-use zed_llm_client::{Plan, UsageLimit};
-
-#[derive(IntoElement, RegisterComponent)]
-pub struct UsageBanner {
-    plan: Plan,
-    usage: RequestUsage,
-}
-
-impl UsageBanner {
-    pub fn new(plan: Plan, usage: RequestUsage) -> Self {
-        Self { plan, usage }
-    }
-}
-
-impl RenderOnce for UsageBanner {
-    fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
-        let used_percentage = match self.usage.limit {
-            UsageLimit::Limited(limit) => Some((self.usage.amount as f32 / limit as f32) * 100.),
-            UsageLimit::Unlimited => None,
-        };
-
-        let (severity, message) = match self.usage.limit {
-            UsageLimit::Limited(limit) => {
-                if self.usage.amount >= limit {
-                    let message = match self.plan {
-                        Plan::ZedPro => "Monthly request limit reached",
-                        Plan::ZedProTrial => "Trial request limit reached",
-                        Plan::Free => "Free tier request limit reached",
-                    };
-
-                    (Severity::Error, message)
-                } else if (self.usage.amount as f32 / limit as f32) >= 0.9 {
-                    (Severity::Warning, "Approaching request limit")
-                } else {
-                    let message = match self.plan {
-                        Plan::ZedPro => "Zed Pro",
-                        Plan::ZedProTrial => "Zed Pro (Trial)",
-                        Plan::Free => "Zed Free",
-                    };
-
-                    (Severity::Info, message)
-                }
-            }
-            UsageLimit::Unlimited => {
-                let message = match self.plan {
-                    Plan::ZedPro => "Zed Pro",
-                    Plan::ZedProTrial => "Zed Pro (Trial)",
-                    Plan::Free => "Zed Free",
-                };
-
-                (Severity::Info, message)
-            }
-        };
-
-        let action = match self.plan {
-            Plan::ZedProTrial | Plan::Free => {
-                Button::new("upgrade", "Upgrade").on_click(|_, _window, cx| {
-                    cx.open_url(&zed_urls::account_url(cx));
-                })
-            }
-            Plan::ZedPro => Button::new("manage", "Manage").on_click(|_, _window, cx| {
-                cx.open_url(&zed_urls::account_url(cx));
-            }),
-        };
-
-        Banner::new().severity(severity).children(
-            h_flex().flex_1().gap_1().child(Label::new(message)).child(
-                h_flex()
-                    .flex_1()
-                    .justify_end()
-                    .gap_1p5()
-                    .children(used_percentage.map(|percent| {
-                        h_flex()
-                            .items_center()
-                            .w_full()
-                            .max_w(px(180.))
-                            .child(ProgressBar::new("usage", percent, 100., cx))
-                    }))
-                    .child(
-                        Label::new(match self.usage.limit {
-                            UsageLimit::Limited(limit) => {
-                                format!("{} / {limit}", self.usage.amount)
-                            }
-                            UsageLimit::Unlimited => format!("{} / ∞", self.usage.amount),
-                        })
-                        .size(LabelSize::Small)
-                        .color(Color::Muted),
-                    )
-                    // Note: This should go in the banner's `action_slot`, but doing that messes with the size of the
-                    // progress bar.
-                    .child(action),
-            ),
-        )
-    }
-}
-
-impl Component for UsageBanner {
-    fn sort_name() -> &'static str {
-        "AgentUsageBanner"
-    }
-
-    fn preview(_window: &mut Window, _cx: &mut App) -> Option<AnyElement> {
-        let trial_limit = Plan::ZedProTrial.model_requests_limit();
-        let trial_examples = vec![
-            single_example(
-                "Zed Pro Trial - New User",
-                div()
-                    .size_full()
-                    .child(UsageBanner::new(
-                        Plan::ZedProTrial,
-                        RequestUsage {
-                            limit: trial_limit,
-                            amount: 10,
-                        },
-                    ))
-                    .into_any_element(),
-            ),
-            single_example(
-                "Zed Pro Trial - Approaching Limit",
-                div()
-                    .size_full()
-                    .child(UsageBanner::new(
-                        Plan::ZedProTrial,
-                        RequestUsage {
-                            limit: trial_limit,
-                            amount: 135,
-                        },
-                    ))
-                    .into_any_element(),
-            ),
-            single_example(
-                "Zed Pro Trial - Request Limit Reached",
-                div()
-                    .size_full()
-                    .child(UsageBanner::new(
-                        Plan::ZedProTrial,
-                        RequestUsage {
-                            limit: trial_limit,
-                            amount: 150,
-                        },
-                    ))
-                    .into_any_element(),
-            ),
-        ];
-
-        let free_limit = Plan::Free.model_requests_limit();
-        let free_examples = vec![
-            single_example(
-                "Free - Normal Usage",
-                div()
-                    .size_full()
-                    .child(UsageBanner::new(
-                        Plan::Free,
-                        RequestUsage {
-                            limit: free_limit,
-                            amount: 25,
-                        },
-                    ))
-                    .into_any_element(),
-            ),
-            single_example(
-                "Free - Approaching Limit",
-                div()
-                    .size_full()
-                    .child(UsageBanner::new(
-                        Plan::Free,
-                        RequestUsage {
-                            limit: free_limit,
-                            amount: 45,
-                        },
-                    ))
-                    .into_any_element(),
-            ),
-            single_example(
-                "Free - Request Limit Reached",
-                div()
-                    .size_full()
-                    .child(UsageBanner::new(
-                        Plan::Free,
-                        RequestUsage {
-                            limit: free_limit,
-                            amount: 50,
-                        },
-                    ))
-                    .into_any_element(),
-            ),
-        ];
-
-        let zed_pro_limit = Plan::ZedPro.model_requests_limit();
-        let zed_pro_examples = vec![
-            single_example(
-                "Zed Pro - Normal Usage",
-                div()
-                    .size_full()
-                    .child(UsageBanner::new(
-                        Plan::ZedPro,
-                        RequestUsage {
-                            limit: zed_pro_limit,
-                            amount: 250,
-                        },
-                    ))
-                    .into_any_element(),
-            ),
-            single_example(
-                "Zed Pro - Approaching Limit",
-                div()
-                    .size_full()
-                    .child(UsageBanner::new(
-                        Plan::ZedPro,
-                        RequestUsage {
-                            limit: zed_pro_limit,
-                            amount: 450,
-                        },
-                    ))
-                    .into_any_element(),
-            ),
-            single_example(
-                "Zed Pro - Request Limit Reached",
-                div()
-                    .size_full()
-                    .child(UsageBanner::new(
-                        Plan::ZedPro,
-                        RequestUsage {
-                            limit: zed_pro_limit,
-                            amount: 500,
-                        },
-                    ))
-                    .into_any_element(),
-            ),
-        ];
-
-        Some(
-            v_flex()
-                .gap_6()
-                .p_4()
-                .children(vec![
-                    Label::new("Trial Plan")
-                        .size(LabelSize::Large)
-                        .into_any_element(),
-                    example_group(trial_examples).vertical().into_any_element(),
-                    Label::new("Free Plan")
-                        .size(LabelSize::Large)
-                        .into_any_element(),
-                    example_group(free_examples).vertical().into_any_element(),
-                    Label::new("Pro Plan")
-                        .size(LabelSize::Large)
-                        .into_any_element(),
-                    example_group(zed_pro_examples)
-                        .vertical()
-                        .into_any_element(),
-                ])
-                .into_any_element(),
-        )
-    }
-}
--- a/crates/anthropic/src/anthropic.rs
+++ b/crates/anthropic/src/anthropic.rs
@@ -578,6 +578,7 @@ pub enum ToolChoice {
    Auto,
    Any,
    Tool { name: String },
+    None,
 }

 #[derive(Debug, Serialize, Deserialize)]
--- a/crates/assistant/LICENSE-GPL
+++ b/crates/assistant/LICENSE-GPL
--- a/crates/assistant/Cargo.toml
+++ b/crates/assistant/Cargo.toml
@@ -1,89 +0,0 @@
-[package]
-name = "assistant"
-version = "0.1.0"
-edition.workspace = true
-publish.workspace = true
-license = "GPL-3.0-or-later"
-
-[lints]
-workspace = true
-
-[lib]
-path = "src/assistant.rs"
-doctest = false
-
-[features]
-test-support = [
-    "editor/test-support",
-    "language/test-support",
-    "project/test-support",
-    "text/test-support",
-]
-
-[dependencies]
-anyhow.workspace = true
-assistant_context_editor.workspace = true
-assistant_settings.workspace = true
-assistant_slash_command.workspace = true
-assistant_slash_commands.workspace = true
-assistant_tool.workspace = true
-async-watch.workspace = true
-client.workspace = true
-collections.workspace = true
-command_palette_hooks.workspace = true
-context_server.workspace = true
-db.workspace = true
-editor.workspace = true
-feature_flags.workspace = true
-fs.workspace = true
-futures.workspace = true
-gpui.workspace = true
-indexed_docs.workspace = true
-indoc.workspace = true
-language.workspace = true
-language_model.workspace = true
-language_model_selector.workspace = true
-log.workspace = true
-lsp.workspace = true
-menu.workspace = true
-multi_buffer.workspace = true
-parking_lot.workspace = true
-project.workspace = true
-rules_library.workspace = true
-prompt_store.workspace = true
-proto.workspace = true
-rope.workspace = true
-schemars.workspace = true
-search.workspace = true
-serde.workspace = true
-settings.workspace = true
-smol.workspace = true
-streaming_diff.workspace = true
-telemetry.workspace = true
-telemetry_events.workspace = true
-terminal.workspace = true
-terminal_view.workspace = true
-text.workspace = true
-theme.workspace = true
-ui.workspace = true
-util.workspace = true
-workspace.workspace = true
-zed_actions.workspace = true
-workspace-hack.workspace = true
-
-[dev-dependencies]
-ctor.workspace = true
-editor = { workspace = true, features = ["test-support"] }
-env_logger.workspace = true
-language = { workspace = true, features = ["test-support"] }
-language_model = { workspace = true, features = ["test-support"] }
-languages = { workspace = true, features = ["test-support"] }
-log.workspace = true
-pretty_assertions.workspace = true
-project = { workspace = true, features = ["test-support"] }
-rand.workspace = true
-serde_json_lenient.workspace = true
-terminal_view = { workspace = true, features = ["test-support"] }
-text = { workspace = true, features = ["test-support"] }
-tree-sitter-md.workspace = true
-unindent.workspace = true
--- a/crates/assistant/src/assistant_configuration.rs
+++ b/crates/assistant/src/assistant_configuration.rs
@@ -1,199 +0,0 @@
-use std::sync::Arc;
-
-use collections::HashMap;
-use gpui::{AnyView, App, EventEmitter, FocusHandle, Focusable, Subscription, canvas};
-use language_model::{LanguageModelProvider, LanguageModelProviderId, LanguageModelRegistry};
-use ui::{ElevationIndex, prelude::*};
-use workspace::Item;
-
-pub struct ConfigurationView {
-    focus_handle: FocusHandle,
-    configuration_views: HashMap<LanguageModelProviderId, AnyView>,
-    _registry_subscription: Subscription,
-}
-
-impl ConfigurationView {
-    pub fn new(window: &mut Window, cx: &mut Context<Self>) -> Self {
-        let focus_handle = cx.focus_handle();
-
-        let registry_subscription = cx.subscribe_in(
-            &LanguageModelRegistry::global(cx),
-            window,
-            |this, _, event: &language_model::Event, window, cx| match event {
-                language_model::Event::AddedProvider(provider_id) => {
-                    let provider = LanguageModelRegistry::read_global(cx).provider(provider_id);
-                    if let Some(provider) = provider {
-                        this.add_configuration_view(&provider, window, cx);
-                    }
-                }
-                language_model::Event::RemovedProvider(provider_id) => {
-                    this.remove_configuration_view(provider_id);
-                }
-                _ => {}
-            },
-        );
-
-        let mut this = Self {
-            focus_handle,
-            configuration_views: HashMap::default(),
-            _registry_subscription: registry_subscription,
-        };
-        this.build_configuration_views(window, cx);
-        this
-    }
-
-    fn build_configuration_views(&mut self, window: &mut Window, cx: &mut Context<Self>) {
-        let providers = LanguageModelRegistry::read_global(cx).providers();
-        for provider in providers {
-            self.add_configuration_view(&provider, window, cx);
-        }
-    }
-
-    fn remove_configuration_view(&mut self, provider_id: &LanguageModelProviderId) {
-        self.configuration_views.remove(provider_id);
-    }
-
-    fn add_configuration_view(
-        &mut self,
-        provider: &Arc<dyn LanguageModelProvider>,
-        window: &mut Window,
-        cx: &mut Context<Self>,
-    ) {
-        let configuration_view = provider.configuration_view(window, cx);
-        self.configuration_views
-            .insert(provider.id(), configuration_view);
-    }
-
-    fn render_provider_view(
-        &mut self,
-        provider: &Arc<dyn LanguageModelProvider>,
-        cx: &mut Context<Self>,
-    ) -> Div {
-        let provider_id = provider.id().0.clone();
-        let provider_name = provider.name().0.clone();
-        let configuration_view = self.configuration_views.get(&provider.id()).cloned();
-
-        let open_new_context = cx.listener({
-            let provider = provider.clone();
-            move |_, _, _window, cx| {
-                cx.emit(ConfigurationViewEvent::NewProviderContextEditor(
-                    provider.clone(),
-                ))
-            }
-        });
-
-        v_flex()
-            .gap_2()
-            .child(
-                h_flex()
-                    .justify_between()
-                    .child(Headline::new(provider_name.clone()).size(HeadlineSize::Small))
-                    .when(provider.is_authenticated(cx), move |this| {
-                        this.child(
-                            h_flex().justify_end().child(
-                                Button::new(
-                                    SharedString::from(format!("new-context-{provider_id}")),
-                                    "Open New Chat",
-                                )
-                                .icon_position(IconPosition::Start)
-                                .icon(IconName::Plus)
-                                .style(ButtonStyle::Filled)
-                                .layer(ElevationIndex::ModalSurface)
-                                .on_click(open_new_context),
-                            ),
-                        )
-                    }),
-            )
-            .child(
-                div()
-                    .p(DynamicSpacing::Base08.rems(cx))
-                    .bg(cx.theme().colors().surface_background)
-                    .border_1()
-                    .border_color(cx.theme().colors().border_variant)
-                    .rounded_sm()
-                    .when(configuration_view.is_none(), |this| {
-                        this.child(div().child(Label::new(format!(
-                            "No configuration view for {}",
-                            provider_name
-                        ))))
-                    })
-                    .when_some(configuration_view, |this, configuration_view| {
-                        this.child(configuration_view)
-                    }),
-            )
-    }
-}
-
-impl Render for ConfigurationView {
-    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
-        let providers = LanguageModelRegistry::read_global(cx).providers();
-        let provider_views = providers
-            .into_iter()
-            .map(|provider| self.render_provider_view(&provider, cx))
-            .collect::<Vec<_>>();
-
-        let mut element = v_flex()
-            .id("assistant-configuration-view")
-            .track_focus(&self.focus_handle(cx))
-            .bg(cx.theme().colors().editor_background)
-            .size_full()
-            .overflow_y_scroll()
-            .child(
-                v_flex()
-                    .p(DynamicSpacing::Base16.rems(cx))
-                    .border_b_1()
-                    .border_color(cx.theme().colors().border)
-                    .gap_1()
-                    .child(Headline::new("Configure your Assistant").size(HeadlineSize::Medium))
-                    .child(
-                        Label::new(
-                            "At least one LLM provider must be configured to use the Assistant.",
-                        )
-                        .color(Color::Muted),
-                    ),
-            )
-            .child(
-                v_flex()
-                    .p(DynamicSpacing::Base16.rems(cx))
-                    .mt_1()
-                    .gap_6()
-                    .flex_1()
-                    .children(provider_views),
-            )
-            .into_any();
-
-        // We use a canvas here to get scrolling to work in the ConfigurationView. It's a workaround
-        // because we couldn't the element to take up the size of the parent.
-        canvas(
-            move |bounds, window, cx| {
-                element.prepaint_as_root(bounds.origin, bounds.size.into(), window, cx);
-                element
-            },
-            |_, mut element, window, cx| {
-                element.paint(window, cx);
-            },
-        )
-        .flex_1()
-        .w_full()
-    }
-}
-
-pub enum ConfigurationViewEvent {
-    NewProviderContextEditor(Arc<dyn LanguageModelProvider>),
-}
-
-impl EventEmitter<ConfigurationViewEvent> for ConfigurationView {}
-
-impl Focusable for ConfigurationView {
-    fn focus_handle(&self, _: &App) -> FocusHandle {
-        self.focus_handle.clone()
-    }
-}
-
-impl Item for ConfigurationView {
-    type Event = ConfigurationViewEvent;
-
-    fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
-        "Configuration".into()
-    }
-}
--- a/crates/assistant/src/assistant_panel.rs
+++ b/crates/assistant/src/assistant_panel.rs
--- a/crates/assistant/src/inline_assistant.rs
+++ b/crates/assistant/src/inline_assistant.rs
--- a/crates/assistant/src/terminal_inline_assistant.rs
+++ b/crates/assistant/src/terminal_inline_assistant.rs
--- a/crates/assistant_context_editor/Cargo.toml
+++ b/crates/assistant_context_editor/Cargo.toml
@@ -22,7 +22,6 @@ clock.workspace = true
 collections.workspace = true
 context_server.workspace = true
 editor.workspace = true
-feature_flags.workspace = true
 fs.workspace = true
 futures.workspace = true
 fuzzy.workspace = true
--- a/crates/assistant_context_editor/src/context.rs
+++ b/crates/assistant_context_editor/src/context.rs
@@ -3,6 +3,7 @@ mod context_tests;

 use crate::patch::{AssistantEdit, AssistantPatch, AssistantPatchStatus};
 use anyhow::{Context as _, Result, anyhow};
+use assistant_settings::AssistantSettings;
 use assistant_slash_command::{
    SlashCommandContent, SlashCommandEvent, SlashCommandLine, SlashCommandOutputSection,
    SlashCommandResult, SlashCommandWorkingSet,
@@ -32,10 +33,10 @@ use serde::{Deserialize, Serialize};
 use smallvec::SmallVec;
 use std::{
    cmp::{Ordering, max},
-    fmt::Debug,
+    fmt::{Debug, Write as _},
    iter, mem,
    ops::Range,
-    path::{Path, PathBuf},
+    path::Path,
    str::FromStr as _,
    sync::Arc,
    time::{Duration, Instant},
@@ -46,7 +47,7 @@ use ui::IconName;
 use util::{ResultExt, TryFutureExt, post_inc};
 use uuid::Uuid;

-#[derive(Clone, Eq, PartialEq, Hash, PartialOrd, Ord, Serialize, Deserialize)]
+#[derive(Clone, Debug, Eq, PartialEq, Hash, PartialOrd, Ord, Serialize, Deserialize)]
 pub struct ContextId(String);

 impl ContextId {
@@ -648,7 +649,7 @@ pub struct AssistantContext {
    pending_token_count: Task<Option<()>>,
    pending_save: Task<Result<()>>,
    pending_cache_warming_task: Task<Option<()>>,
-    path: Option<PathBuf>,
+    path: Option<Arc<Path>>,
    _subscriptions: Vec<Subscription>,
    telemetry: Option<Arc<Telemetry>>,
    language_registry: Arc<LanguageRegistry>,
@@ -839,7 +840,7 @@ impl AssistantContext {

    pub fn deserialize(
        saved_context: SavedContext,
-        path: PathBuf,
+        path: Arc<Path>,
        language_registry: Arc<LanguageRegistry>,
        prompt_builder: Arc<PromptBuilder>,
        slash_commands: Arc<SlashCommandWorkingSet>,
@@ -1147,8 +1148,8 @@ impl AssistantContext {
        self.prompt_builder.clone()
    }

-    pub fn path(&self) -> Option<&Path> {
-        self.path.as_deref()
+    pub fn path(&self) -> Option<&Arc<Path>> {
+        self.path.as_ref()
    }

    pub fn summary(&self) -> Option<&ContextSummary> {
@@ -1273,10 +1274,10 @@ impl AssistantContext {
    pub(crate) fn count_remaining_tokens(&mut self, cx: &mut Context<Self>) {
        // Assume it will be a Chat request, even though that takes fewer tokens (and risks going over the limit),
        // because otherwise you see in the UI that your empty message has a bunch of tokens already used.
-        let request = self.to_completion_request(RequestType::Chat, cx);
        let Some(model) = LanguageModelRegistry::read_global(cx).default_model() else {
            return;
        };
+        let request = self.to_completion_request(Some(&model.model), RequestType::Chat, cx);
        let debounce = self.token_count.is_some();
        self.pending_token_count = cx.spawn(async move |this, cx| {
            async move {
@@ -1422,7 +1423,7 @@ impl AssistantContext {
        }

        let request = {
-            let mut req = self.to_completion_request(RequestType::Chat, cx);
+            let mut req = self.to_completion_request(Some(&model), RequestType::Chat, cx);
            // Skip the last message because it's likely to change and
            // therefore would be a waste to cache.
            req.messages.pop();
@@ -2321,7 +2322,7 @@ impl AssistantContext {
        // Compute which messages to cache, including the last one.
        self.mark_cache_anchors(&model.cache_configuration(), false, cx);

-        let request = self.to_completion_request(request_type, cx);
+        let request = self.to_completion_request(Some(&model), request_type, cx);

        let assistant_message = self
            .insert_message_after(last_message_id, Role::Assistant, MessageStatus::Pending, cx)
@@ -2371,6 +2372,7 @@ impl AssistantContext {
                                    });

                                match event {
+                                    LanguageModelCompletionEvent::StatusUpdate { .. } => {}
                                    LanguageModelCompletionEvent::StartMessage { .. } => {}
                                    LanguageModelCompletionEvent::Stop(reason) => {
                                        stop_reason = reason;
@@ -2428,8 +2430,8 @@ impl AssistantContext {
                                            cx,
                                        );
                                    }
-                                    LanguageModelCompletionEvent::ToolUse(_) => {}
-                                    LanguageModelCompletionEvent::UsageUpdate(_) => {}
+                                    LanguageModelCompletionEvent::ToolUse(_) |
+                                    LanguageModelCompletionEvent::UsageUpdate(_)  => {}
                                }
                            });

@@ -2538,8 +2540,29 @@ impl AssistantContext {
        Some(user_message)
    }

+    pub fn to_xml(&self, cx: &App) -> String {
+        let mut output = String::new();
+        let buffer = self.buffer.read(cx);
+        for message in self.messages(cx) {
+            if message.status != MessageStatus::Done {
+                continue;
+            }
+
+            writeln!(&mut output, "<{}>", message.role).unwrap();
+            for chunk in buffer.text_for_range(message.offset_range) {
+                output.push_str(chunk);
+            }
+            if !output.ends_with('\n') {
+                output.push('\n');
+            }
+            writeln!(&mut output, "</{}>", message.role).unwrap();
+        }
+        output
+    }
+
    pub fn to_completion_request(
        &self,
+        model: Option<&Arc<dyn LanguageModel>>,
        request_type: RequestType,
        cx: &App,
    ) -> LanguageModelRequest {
@@ -2562,8 +2585,10 @@ impl AssistantContext {
            mode: None,
            messages: Vec::new(),
            tools: Vec::new(),
+            tool_choice: None,
            stop: Vec::new(),
-            temperature: None,
+            temperature: model
+                .and_then(|model| AssistantSettings::temperature_for_model(model, cx)),
        };
        for message in self.messages(cx) {
            if message.status != MessageStatus::Done {
@@ -2960,7 +2985,7 @@ impl AssistantContext {
                return;
            }

-            let mut request = self.to_completion_request(RequestType::Chat, cx);
+            let mut request = self.to_completion_request(Some(&model.model), RequestType::Chat, cx);
            request.messages.push(LanguageModelRequestMessage {
                role: Role::User,
                content: vec![
@@ -3181,7 +3206,7 @@ impl AssistantContext {
                fs.atomic_write(new_path.clone(), serde_json::to_string(&context).unwrap())
                    .await?;
                if let Some(old_path) = old_path {
-                    if new_path != old_path {
+                    if new_path.as_path() != old_path.as_ref() {
                        fs.remove_file(
                            &old_path,
                            RemoveOptions {
@@ -3193,7 +3218,7 @@ impl AssistantContext {
                    }
                }

-                this.update(cx, |this, _| this.path = Some(new_path))?;
+                this.update(cx, |this, _| this.path = Some(new_path.into()))?;
            }

            Ok(())
@@ -3589,6 +3614,6 @@ impl SavedContextV0_1_0 {
 #[derive(Debug, Clone)]
 pub struct SavedContextMetadata {
    pub title: String,
-    pub path: PathBuf,
+    pub path: Arc<Path>,
    pub mtime: chrono::DateTime<chrono::Local>,
 }
--- a/crates/assistant_context_editor/src/context/context_tests.rs
+++ b/crates/assistant_context_editor/src/context/context_tests.rs
@@ -43,9 +43,8 @@ use workspace::Workspace;

 #[gpui::test]
 fn test_inserting_and_removing_messages(cx: &mut App) {
-    let settings_store = SettingsStore::test(cx);
-    LanguageModelRegistry::test(cx);
-    cx.set_global(settings_store);
+    init_test(cx);
+
    let registry = Arc::new(LanguageRegistry::test(cx.background_executor().clone()));
    let prompt_builder = Arc::new(PromptBuilder::new(None).unwrap());
    let context = cx.new(|cx| {
@@ -182,9 +181,8 @@ fn test_inserting_and_removing_messages(cx: &mut App) {

 #[gpui::test]
 fn test_message_splitting(cx: &mut App) {
-    let settings_store = SettingsStore::test(cx);
-    cx.set_global(settings_store);
-    LanguageModelRegistry::test(cx);
+    init_test(cx);
+
    let registry = Arc::new(LanguageRegistry::test(cx.background_executor().clone()));

    let prompt_builder = Arc::new(PromptBuilder::new(None).unwrap());
@@ -285,9 +283,8 @@ fn test_message_splitting(cx: &mut App) {

 #[gpui::test]
 fn test_messages_for_offsets(cx: &mut App) {
-    let settings_store = SettingsStore::test(cx);
-    LanguageModelRegistry::test(cx);
-    cx.set_global(settings_store);
+    init_test(cx);
+
    let registry = Arc::new(LanguageRegistry::test(cx.background_executor().clone()));
    let prompt_builder = Arc::new(PromptBuilder::new(None).unwrap());
    let context = cx.new(|cx| {
@@ -378,10 +375,8 @@ fn test_messages_for_offsets(cx: &mut App) {

 #[gpui::test]
 async fn test_slash_commands(cx: &mut TestAppContext) {
-    let settings_store = cx.update(SettingsStore::test);
-    cx.set_global(settings_store);
-    cx.update(LanguageModelRegistry::test);
-    cx.update(Project::init_settings);
+    cx.update(init_test);
+
    let fs = FakeFs::new(cx.background_executor.clone());

    fs.insert_tree(
@@ -671,22 +666,19 @@ async fn test_slash_commands(cx: &mut TestAppContext) {

 #[gpui::test]
 async fn test_workflow_step_parsing(cx: &mut TestAppContext) {
-    cx.update(prompt_store::init);
-    let mut settings_store = cx.update(SettingsStore::test);
    cx.update(|cx| {
-        settings_store
-            .set_user_settings(
-                r#"{ "assistant": { "enable_experimental_live_diffs": true } }"#,
-                cx,
-            )
-            .unwrap()
+        init_test(cx);
+        cx.update_global(|settings_store: &mut SettingsStore, cx| {
+            settings_store
+                .set_user_settings(
+                    r#"{ "assistant": { "enable_experimental_live_diffs": true } }"#,
+                    cx,
+                )
+                .unwrap()
+        })
    });
-    cx.set_global(settings_store);
-    cx.update(language::init);
-    cx.update(Project::init_settings);
    let fs = FakeFs::new(cx.executor());
    let project = Project::test(fs, [Path::new("/root")], cx).await;
-    cx.update(LanguageModelRegistry::test);

    let registry = Arc::new(LanguageRegistry::test(cx.executor()));

@@ -959,7 +951,7 @@ async fn test_workflow_step_parsing(cx: &mut TestAppContext) {
    let deserialized_context = cx.new(|cx| {
        AssistantContext::deserialize(
            serialized_context,
-            Default::default(),
+            Path::new("").into(),
            registry.clone(),
            prompt_builder.clone(),
            Arc::new(SlashCommandWorkingSet::default()),
@@ -1069,9 +1061,8 @@ async fn test_workflow_step_parsing(cx: &mut TestAppContext) {

 #[gpui::test]
 async fn test_serialization(cx: &mut TestAppContext) {
-    let settings_store = cx.update(SettingsStore::test);
-    cx.set_global(settings_store);
-    cx.update(LanguageModelRegistry::test);
+    cx.update(init_test);
+
    let registry = Arc::new(LanguageRegistry::test(cx.executor()));
    let prompt_builder = Arc::new(PromptBuilder::new(None).unwrap());
    let context = cx.new(|cx| {
@@ -1120,7 +1111,7 @@ async fn test_serialization(cx: &mut TestAppContext) {
    let deserialized_context = cx.new(|cx| {
        AssistantContext::deserialize(
            serialized_context,
-            Default::default(),
+            Path::new("").into(),
            registry.clone(),
            prompt_builder.clone(),
            Arc::new(SlashCommandWorkingSet::default()),
@@ -1147,6 +1138,8 @@ async fn test_serialization(cx: &mut TestAppContext) {

 #[gpui::test(iterations = 100)]
 async fn test_random_context_collaboration(cx: &mut TestAppContext, mut rng: StdRng) {
+    cx.update(init_test);
+
    let min_peers = env::var("MIN_PEERS")
        .map(|i| i.parse().expect("invalid `MIN_PEERS` variable"))
        .unwrap_or(2);
@@ -1157,10 +1150,6 @@ async fn test_random_context_collaboration(cx: &mut TestAppContext, mut rng: Std
        .map(|i| i.parse().expect("invalid `OPERATIONS` variable"))
        .unwrap_or(50);

-    let settings_store = cx.update(SettingsStore::test);
-    cx.set_global(settings_store);
-    cx.update(LanguageModelRegistry::test);
-
    let slash_commands = cx.update(SlashCommandRegistry::default_global);
    slash_commands.register_command(FakeSlashCommand("cmd-1".into()), false);
    slash_commands.register_command(FakeSlashCommand("cmd-2".into()), false);
@@ -1429,9 +1418,8 @@ async fn test_random_context_collaboration(cx: &mut TestAppContext, mut rng: Std

 #[gpui::test]
 fn test_mark_cache_anchors(cx: &mut App) {
-    let settings_store = SettingsStore::test(cx);
-    LanguageModelRegistry::test(cx);
-    cx.set_global(settings_store);
+    init_test(cx);
+
    let registry = Arc::new(LanguageRegistry::test(cx.background_executor().clone()));
    let prompt_builder = Arc::new(PromptBuilder::new(None).unwrap());
    let context = cx.new(|cx| {
@@ -1606,6 +1594,16 @@ fn messages_cache(
        .collect()
 }

+fn init_test(cx: &mut App) {
+    let settings_store = SettingsStore::test(cx);
+    prompt_store::init(cx);
+    LanguageModelRegistry::test(cx);
+    cx.set_global(settings_store);
+    language::init(cx);
+    assistant_settings::init(cx);
+    Project::init_settings(cx);
+}
+
 #[derive(Clone)]
 struct FakeSlashCommand(String);

--- a/crates/assistant_context_editor/src/context_editor.rs
+++ b/crates/assistant_context_editor/src/context_editor.rs
@@ -18,7 +18,6 @@ use editor::{
    scroll::Autoscroll,
 };
 use editor::{FoldPlaceholder, display_map::CreaseId};
-use feature_flags::{Assistant2FeatureFlag, FeatureFlagAppExt as _};
 use fs::Fs;
 use futures::FutureExt;
 use gpui::{
@@ -39,23 +38,33 @@ use language_model::{
    Role,
 };
 use language_model_selector::{
-    LanguageModelSelector, LanguageModelSelectorPopoverMenu, ModelType, ToggleModelSelector,
+    LanguageModelSelector, LanguageModelSelectorPopoverMenu, ToggleModelSelector,
 };
 use multi_buffer::MultiBufferRow;
 use picker::Picker;
-use project::lsp_store::LocalLspAdapterDelegate;
 use project::{Project, Worktree};
+use project::{ProjectPath, lsp_store::LocalLspAdapterDelegate};
 use rope::Point;
 use serde::{Deserialize, Serialize};
 use settings::{Settings, SettingsStore, update_settings_file};
-use std::{any::TypeId, cmp, ops::Range, path::PathBuf, sync::Arc, time::Duration};
+use std::{
+    any::TypeId,
+    cmp,
+    ops::Range,
+    path::{Path, PathBuf},
+    sync::Arc,
+    time::Duration,
+};
 use text::SelectionGoal;
 use ui::{
    ButtonLike, Disclosure, ElevationIndex, KeyBinding, PopoverMenuHandle, TintColor, Tooltip,
    prelude::*,
 };
 use util::{ResultExt, maybe};
-use workspace::searchable::{Direction, SearchableItemHandle};
+use workspace::{
+    CollaboratorId,
+    searchable::{Direction, SearchableItemHandle},
+};
 use workspace::{
    Save, Toast, ToolbarItemEvent, ToolbarItemLocation, ToolbarItemView, Workspace,
    item::{self, FollowableItem, Item, ItemHandle},
@@ -90,7 +99,7 @@ actions!(

 #[derive(PartialEq, Clone)]
 pub enum InsertDraggedFiles {
-    ProjectPaths(Vec<PathBuf>),
+    ProjectPaths(Vec<ProjectPath>),
    ExternalFiles(Vec<PathBuf>),
 }

@@ -128,7 +137,7 @@ pub enum ThoughtProcessStatus {
    Completed,
 }

-pub trait AssistantPanelDelegate {
+pub trait AgentPanelDelegate {
    fn active_context_editor(
        &self,
        workspace: &mut Workspace,
@@ -139,7 +148,7 @@ pub trait AssistantPanelDelegate {
    fn open_saved_context(
        &self,
        workspace: &mut Workspace,
-        path: PathBuf,
+        path: Arc<Path>,
        window: &mut Window,
        cx: &mut Context<Workspace>,
    ) -> Task<Result<()>>;
@@ -162,7 +171,7 @@ pub trait AssistantPanelDelegate {
    );
 }

-impl dyn AssistantPanelDelegate {
+impl dyn AgentPanelDelegate {
    /// Returns the global [`AssistantPanelDelegate`], if it exists.
    pub fn try_global(cx: &App) -> Option<Arc<Self>> {
        cx.try_global::<GlobalAssistantPanelDelegate>()
@@ -175,7 +184,7 @@ impl dyn AssistantPanelDelegate {
    }
 }

-struct GlobalAssistantPanelDelegate(Arc<dyn AssistantPanelDelegate>);
+struct GlobalAssistantPanelDelegate(Arc<dyn AgentPanelDelegate>);

 impl Global for GlobalAssistantPanelDelegate {}

@@ -233,9 +242,9 @@ impl ContextEditor {
        let editor = cx.new(|cx| {
            let mut editor =
                Editor::for_buffer(context.read(cx).buffer().clone(), None, window, cx);
+            editor.disable_scrollbars_and_minimap(cx);
            editor.set_soft_wrap_mode(SoftWrap::EditorWidth, cx);
            editor.set_show_line_numbers(false, cx);
-            editor.set_show_scrollbars(false, cx);
            editor.set_show_git_diff_gutter(false, cx);
            editor.set_show_code_actions(false, cx);
            editor.set_show_runnables(false, cx);
@@ -248,7 +257,7 @@ impl ContextEditor {

            let show_edit_predictions = all_language_settings(None, cx)
                .edit_predictions
-                .enabled_in_assistant;
+                .enabled_in_text_threads;

            editor.set_show_edit_predictions(Some(show_edit_predictions), window, cx);

@@ -291,6 +300,7 @@ impl ContextEditor {
            dragged_file_worktrees: Vec::new(),
            language_model_selector: cx.new(|cx| {
                LanguageModelSelector::new(
+                    |cx| LanguageModelRegistry::read_global(cx).default_model(),
                    move |model, cx| {
                        update_settings_file::<AssistantSettings>(
                            fs.clone(),
@@ -298,7 +308,6 @@ impl ContextEditor {
                            move |settings, _| settings.set_model(model.clone()),
                        );
                    },
-                    ModelType::Default,
                    window,
                    cx,
                )
@@ -323,7 +332,7 @@ impl ContextEditor {
        self.editor.update(cx, |editor, cx| {
            let show_edit_predictions = all_language_settings(None, cx)
                .edit_predictions
-                .enabled_in_assistant;
+                .enabled_in_text_threads;

            editor.set_show_edit_predictions(Some(show_edit_predictions), window, cx);
        });
@@ -358,10 +367,16 @@ impl ContextEditor {
    }

    fn assist(&mut self, _: &Assist, window: &mut Window, cx: &mut Context<Self>) {
+        if self.sending_disabled(cx) {
+            return;
+        }
        self.send_to_model(RequestType::Chat, window, cx);
    }

    fn edit(&mut self, _: &Edit, window: &mut Window, cx: &mut Context<Self>) {
+        if self.sending_disabled(cx) {
+            return;
+        }
        self.send_to_model(RequestType::SuggestEdits, window, cx);
    }

@@ -933,7 +948,7 @@ impl ContextEditor {
                    let patch_range = range.clone();
                    move |cx: &mut BlockContext| {
                        let max_width = cx.max_width;
-                        let gutter_width = cx.gutter_dimensions.full_width();
+                        let gutter_width = cx.margins.gutter.full_width();
                        let block_id = cx.block_id;
                        let selected = cx.selected;
                        let window = &mut cx.window;
@@ -1047,7 +1062,7 @@ impl ContextEditor {
                        |_, _, _, _| Empty.into_any_element(),
                    )
                    .with_metadata(CreaseMetadata {
-                        icon: IconName::Ai,
+                        icon_path: SharedString::from(IconName::Ai.path()),
                        label: "Thinking Process".into(),
                    }),
                );
@@ -1090,7 +1105,7 @@ impl ContextEditor {
                        FoldPlaceholder {
                            render: render_fold_icon_button(
                                cx.entity().downgrade(),
-                                section.icon,
+                                section.icon.path().into(),
                                section.label.clone(),
                            ),
                            merge_adjacent: false,
@@ -1100,7 +1115,7 @@ impl ContextEditor {
                        |_, _, _, _| Empty.into_any_element(),
                    )
                    .with_metadata(CreaseMetadata {
-                        icon: section.icon,
+                        icon_path: section.icon.path().into(),
                        label: section.label,
                    }),
                );
@@ -1396,7 +1411,7 @@ impl ContextEditor {
                                None,
                            ),
                            Role::Assistant => {
-                                let base_label = Label::new("Assistant").color(Color::Info);
+                                let base_label = Label::new("Agent").color(Color::Info);
                                let mut spinner = None;
                                let mut note = None;
                                let animated_label = if llm_loading {
@@ -1458,7 +1473,7 @@ impl ContextEditor {
                                        Tooltip::with_meta(
                                            "Toggle message role",
                                            None,
-                                            "Available roles: You (User), Assistant, System",
+                                            "Available roles: You (User), Agent, System",
                                            window,
                                            cx,
                                        )
@@ -1479,7 +1494,7 @@ impl ContextEditor {

                        h_flex()
                            .id(("message_header", message_id.as_u64()))
-                            .pl(cx.gutter_dimensions.full_width())
+                            .pl(cx.margins.gutter.full_width())
                            .h_11()
                            .w_full()
                            .relative()
@@ -1574,6 +1589,7 @@ impl ContextEditor {
                ),
                priority: usize::MAX,
                render: render_block(MessageMetadata::from(message)),
+                render_in_minimap: false,
            };
            let mut new_blocks = vec![];
            let mut block_index_to_message = vec![];
@@ -1656,11 +1672,11 @@ impl ContextEditor {
        window: &mut Window,
        cx: &mut Context<Workspace>,
    ) {
-        let Some(assistant_panel_delegate) = <dyn AssistantPanelDelegate>::try_global(cx) else {
+        let Some(agent_panel_delegate) = <dyn AgentPanelDelegate>::try_global(cx) else {
            return;
        };
        let Some(context_editor_view) =
-            assistant_panel_delegate.active_context_editor(workspace, window, cx)
+            agent_panel_delegate.active_context_editor(workspace, window, cx)
        else {
            return;
        };
@@ -1686,9 +1702,9 @@ impl ContextEditor {
        cx: &mut Context<Workspace>,
    ) {
        let result = maybe!({
-            let assistant_panel_delegate = <dyn AssistantPanelDelegate>::try_global(cx)?;
+            let agent_panel_delegate = <dyn AgentPanelDelegate>::try_global(cx)?;
            let context_editor_view =
-                assistant_panel_delegate.active_context_editor(workspace, window, cx)?;
+                agent_panel_delegate.active_context_editor(workspace, window, cx)?;
            Self::get_selection_or_code_block(&context_editor_view, cx)
        });
        let Some((text, is_code_block)) = result else {
@@ -1715,22 +1731,22 @@ impl ContextEditor {
        );
    }

-    pub fn insert_dragged_files(
+    pub fn handle_insert_dragged_files(
        workspace: &mut Workspace,
        action: &InsertDraggedFiles,
        window: &mut Window,
        cx: &mut Context<Workspace>,
    ) {
-        let Some(assistant_panel_delegate) = <dyn AssistantPanelDelegate>::try_global(cx) else {
+        let Some(agent_panel_delegate) = <dyn AgentPanelDelegate>::try_global(cx) else {
            return;
        };
        let Some(context_editor_view) =
-            assistant_panel_delegate.active_context_editor(workspace, window, cx)
+            agent_panel_delegate.active_context_editor(workspace, window, cx)
        else {
            return;
        };

-        let project = workspace.project().clone();
+        let project = context_editor_view.read(cx).project.clone();

        let paths = match action {
            InsertDraggedFiles::ProjectPaths(paths) => Task::ready((paths.clone(), vec![])),
@@ -1741,22 +1757,17 @@ impl ContextEditor {
                    .map(|path| Workspace::project_path_for_path(project.clone(), &path, false, cx))
                    .collect::<Vec<_>>();

-                cx.spawn(async move |_, cx| {
+                cx.background_spawn(async move {
                    let mut paths = vec![];
                    let mut worktrees = vec![];

                    let opened_paths = futures::future::join_all(tasks).await;
-                    for (worktree, project_path) in opened_paths.into_iter().flatten() {
-                        let Ok(worktree_root_name) =
-                            worktree.read_with(cx, |worktree, _| worktree.root_name().to_string())
-                        else {
-                            continue;
-                        };

-                        let mut full_path = PathBuf::from(worktree_root_name.clone());
-                        full_path.push(&project_path.path);
-                        paths.push(full_path);
-                        worktrees.push(worktree);
+                    for entry in opened_paths {
+                        if let Some((worktree, project_path)) = entry.log_err() {
+                            worktrees.push(worktree);
+                            paths.push(project_path);
+                        }
                    }

                    (paths, worktrees)
@@ -1764,33 +1775,50 @@ impl ContextEditor {
            }
        };

-        window
-            .spawn(cx, async move |cx| {
+        context_editor_view.update(cx, |_, cx| {
+            cx.spawn_in(window, async move |this, cx| {
                let (paths, dragged_file_worktrees) = paths.await;
-                let cmd_name = FileSlashCommand.name();
-
-                context_editor_view
-                    .update_in(cx, |context_editor, window, cx| {
-                        let file_argument = paths
-                            .into_iter()
-                            .map(|path| path.to_string_lossy().to_string())
-                            .collect::<Vec<_>>()
-                            .join(" ");
-
-                        context_editor.editor.update(cx, |editor, cx| {
-                            editor.insert("\n", window, cx);
-                            editor.insert(&format!("/{} {}", cmd_name, file_argument), window, cx);
-                        });
-
-                        context_editor.confirm_command(&ConfirmCommand, window, cx);
-
-                        context_editor
-                            .dragged_file_worktrees
-                            .extend(dragged_file_worktrees);
-                    })
-                    .log_err();
+                this.update_in(cx, |this, window, cx| {
+                    this.insert_dragged_files(paths, dragged_file_worktrees, window, cx);
+                })
+                .ok();
            })
            .detach();
+        })
+    }
+
+    pub fn insert_dragged_files(
+        &mut self,
+        opened_paths: Vec<ProjectPath>,
+        added_worktrees: Vec<Entity<Worktree>>,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        let mut file_slash_command_args = vec![];
+        for project_path in opened_paths.into_iter() {
+            let Some(worktree) = self
+                .project
+                .read(cx)
+                .worktree_for_id(project_path.worktree_id, cx)
+            else {
+                continue;
+            };
+            let worktree_root_name = worktree.read(cx).root_name().to_string();
+            let mut full_path = PathBuf::from(worktree_root_name.clone());
+            full_path.push(&project_path.path);
+            file_slash_command_args.push(full_path.to_string_lossy().to_string());
+        }
+
+        let cmd_name = FileSlashCommand.name();
+
+        let file_argument = file_slash_command_args.join(" ");
+
+        self.editor.update(cx, |editor, cx| {
+            editor.insert("\n", window, cx);
+            editor.insert(&format!("/{} {}", cmd_name, file_argument), window, cx);
+        });
+        self.confirm_command(&ConfirmCommand, window, cx);
+        self.dragged_file_worktrees.extend(added_worktrees);
    }

    pub fn quote_selection(
@@ -1799,7 +1827,7 @@ impl ContextEditor {
        window: &mut Window,
        cx: &mut Context<Workspace>,
    ) {
-        let Some(assistant_panel_delegate) = <dyn AssistantPanelDelegate>::try_global(cx) else {
+        let Some(agent_panel_delegate) = <dyn AgentPanelDelegate>::try_global(cx) else {
            return;
        };

@@ -1830,7 +1858,7 @@ impl ContextEditor {
            return;
        }

-        assistant_panel_delegate.quote_selection(workspace, selections, buffer, window, cx);
+        agent_panel_delegate.quote_selection(workspace, selections, buffer, window, cx);
    }

    pub fn quote_ranges(
@@ -2048,7 +2076,7 @@ impl ContextEditor {
                                FoldPlaceholder {
                                    render: render_fold_icon_button(
                                        weak_editor.clone(),
-                                        metadata.crease.icon,
+                                        metadata.crease.icon_path.clone(),
                                        metadata.crease.label.clone(),
                                    ),
                                    ..Default::default()
@@ -2136,12 +2164,12 @@ impl ContextEditor {
                            let image_size = size_for_image(
                                &image,
                                size(
-                                    cx.max_width - cx.gutter_dimensions.full_width(),
+                                    cx.max_width - cx.margins.gutter.full_width(),
                                    MAX_HEIGHT_IN_LINES as f32 * cx.line_height,
                                ),
                            );
                            h_flex()
-                                .pl(cx.gutter_dimensions.full_width())
+                                .pl(cx.margins.gutter.full_width())
                                .child(
                                    img(image.clone())
                                        .object_fit(gpui::ObjectFit::ScaleDown)
@@ -2151,6 +2179,7 @@ impl ContextEditor {
                                .into_any_element()
                        }),
                        priority: 0,
+                        render_in_minimap: false,
                    })
                })
                .collect::<Vec<_>>();
@@ -2373,19 +2402,11 @@ impl ContextEditor {
                            .on_click({
                                let focus_handle = self.focus_handle(cx).clone();
                                move |_event, window, cx| {
-                                    if cx.has_flag::<Assistant2FeatureFlag>() {
-                                        focus_handle.dispatch_action(
-                                            &zed_actions::agent::OpenConfiguration,
-                                            window,
-                                            cx,
-                                        );
-                                    } else {
-                                        focus_handle.dispatch_action(
-                                            &zed_actions::assistant::ShowConfiguration,
-                                            window,
-                                            cx,
-                                        );
-                                    };
+                                    focus_handle.dispatch_action(
+                                        &zed_actions::agent::OpenConfiguration,
+                                        window,
+                                        cx,
+                                    );
                                }
                            }),
                    )
@@ -2423,17 +2444,8 @@ impl ContextEditor {
            None => (ButtonStyle::Filled, None),
        };

-        let model = LanguageModelRegistry::read_global(cx).default_model();
-
-        let has_configuration_error = configuration_error(cx).is_some();
-        let needs_to_accept_terms = self.show_accept_terms
-            && model
-                .as_ref()
-                .map_or(false, |model| model.provider.must_accept_terms(cx));
-        let disabled = has_configuration_error || needs_to_accept_terms;
-
        ButtonLike::new("send_button")
-            .disabled(disabled)
+            .disabled(self.sending_disabled(cx))
            .style(style)
            .when_some(tooltip, |button, tooltip| {
                button.tooltip(move |_, _| tooltip.clone())
@@ -2455,6 +2467,20 @@ impl ContextEditor {
            })
    }

+    /// Whether or not we should allow messages to be sent.
+    /// Will return false if the selected provided has a configuration error or
+    /// if the user has not accepted the terms of service for this provider.
+    fn sending_disabled(&self, cx: &mut Context<'_, ContextEditor>) -> bool {
+        let model = LanguageModelRegistry::read_global(cx).default_model();
+
+        let has_configuration_error = configuration_error(cx).is_some();
+        let needs_to_accept_terms = self.show_accept_terms
+            && model
+                .as_ref()
+                .map_or(false, |model| model.provider.must_accept_terms(cx));
+        has_configuration_error || needs_to_accept_terms
+    }
+
    fn render_edit_button(&self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
        let focus_handle = self.focus_handle(cx).clone();

@@ -2482,19 +2508,8 @@ impl ContextEditor {
            None => (ButtonStyle::Filled, None),
        };

-        let provider = LanguageModelRegistry::read_global(cx)
-            .default_model()
-            .map(|default| default.provider);
-
-        let has_configuration_error = configuration_error(cx).is_some();
-        let needs_to_accept_terms = self.show_accept_terms
-            && provider
-                .as_ref()
-                .map_or(false, |provider| provider.must_accept_terms(cx));
-        let disabled = has_configuration_error || needs_to_accept_terms;
-
        ButtonLike::new("edit_button")
-            .disabled(disabled)
+            .disabled(self.sending_disabled(cx))
            .style(style)
            .when_some(tooltip, |button, tooltip| {
                button.tooltip(move |_, _| tooltip.clone())
@@ -2844,7 +2859,7 @@ fn render_thought_process_fold_icon_button(

 fn render_fold_icon_button(
    editor: WeakEntity<Editor>,
-    icon: IconName,
+    icon_path: SharedString,
    label: SharedString,
 ) -> Arc<dyn Send + Sync + Fn(FoldId, Range<Anchor>, &mut App) -> AnyElement> {
    Arc::new(move |fold_id, fold_range, _cx| {
@@ -2852,7 +2867,7 @@ fn render_fold_icon_button(
        ButtonLike::new(fold_id)
            .style(ButtonStyle::Filled)
            .layer(ElevationIndex::ElevatedSurface)
-            .child(Icon::new(icon))
+            .child(Icon::from_path(icon_path.clone()))
            .child(Label::new(label.clone()).single_line())
            .on_click(move |_, window, cx| {
                editor
@@ -3346,10 +3361,10 @@ impl FollowableItem for ContextEditor {
        let editor_state = state.editor?;

        let project = workspace.read(cx).project().clone();
-        let assistant_panel_delegate = <dyn AssistantPanelDelegate>::try_global(cx)?;
+        let agent_panel_delegate = <dyn AgentPanelDelegate>::try_global(cx)?;

        let context_editor_task = workspace.update(cx, |workspace, cx| {
-            assistant_panel_delegate.open_remote_context(workspace, context_id, window, cx)
+            agent_panel_delegate.open_remote_context(workspace, context_id, window, cx)
        });

        Some(window.spawn(cx, async move |cx| {
@@ -3410,15 +3425,14 @@ impl FollowableItem for ContextEditor {
        true
    }

-    fn set_leader_peer_id(
+    fn set_leader_id(
        &mut self,
-        leader_peer_id: Option<proto::PeerId>,
+        leader_id: Option<CollaboratorId>,
        window: &mut Window,
        cx: &mut Context<Self>,
    ) {
-        self.editor.update(cx, |editor, cx| {
-            editor.set_leader_peer_id(leader_peer_id, window, cx)
-        })
+        self.editor
+            .update(cx, |editor, cx| editor.set_leader_id(leader_id, window, cx))
    }

    fn dedup(&self, existing: &Self, _window: &Window, cx: &App) -> Option<item::Dedup> {
--- a/crates/assistant_context_editor/src/context_history.rs
+++ b/crates/assistant_context_editor/src/context_history.rs
@@ -8,7 +8,7 @@ use ui::{Avatar, ListItem, ListItemSpacing, prelude::*};
 use workspace::{Item, Workspace};

 use crate::{
-    AssistantPanelDelegate, ContextStore, DEFAULT_TAB_TITLE, RemoteContextMetadata,
+    AgentPanelDelegate, ContextStore, DEFAULT_TAB_TITLE, RemoteContextMetadata,
    SavedContextMetadata,
 };

@@ -70,19 +70,19 @@ impl ContextHistory {
    ) {
        let SavedContextPickerEvent::Confirmed(context) = event;

-        let Some(assistant_panel_delegate) = <dyn AssistantPanelDelegate>::try_global(cx) else {
+        let Some(agent_panel_delegate) = <dyn AgentPanelDelegate>::try_global(cx) else {
            return;
        };

        self.workspace
            .update(cx, |workspace, cx| match context {
                ContextMetadata::Remote(metadata) => {
-                    assistant_panel_delegate
+                    agent_panel_delegate
                        .open_remote_context(workspace, metadata.id.clone(), window, cx)
                        .detach_and_log_err(cx);
                }
                ContextMetadata::Saved(metadata) => {
-                    assistant_panel_delegate
+                    agent_panel_delegate
                        .open_saved_context(workspace, metadata.path.clone(), window, cx)
                        .detach_and_log_err(cx);
                }
--- a/crates/assistant_context_editor/src/context_store.rs
+++ b/crates/assistant_context_editor/src/context_store.rs
@@ -7,27 +7,22 @@ use assistant_slash_command::{SlashCommandId, SlashCommandWorkingSet};
 use client::{Client, TypedEnvelope, proto, telemetry::Telemetry};
 use clock::ReplicaId;
 use collections::HashMap;
-use context_server::ContextServerFactoryRegistry;
-use context_server::manager::ContextServerManager;
+use context_server::ContextServerId;
 use fs::{Fs, RemoveOptions};
 use futures::StreamExt;
 use fuzzy::StringMatchCandidate;
 use gpui::{App, AppContext as _, AsyncApp, Context, Entity, EventEmitter, Task, WeakEntity};
 use language::LanguageRegistry;
 use paths::contexts_dir;
-use project::Project;
+use project::{
+    Project,
+    context_server_store::{ContextServerStatus, ContextServerStore},
+};
 use prompt_store::PromptBuilder;
 use regex::Regex;
 use rpc::AnyProtoClient;
 use std::sync::LazyLock;
-use std::{
-    cmp::Reverse,
-    ffi::OsStr,
-    mem,
-    path::{Path, PathBuf},
-    sync::Arc,
-    time::Duration,
-};
+use std::{cmp::Reverse, ffi::OsStr, mem, path::Path, sync::Arc, time::Duration};
 use util::{ResultExt, TryFutureExt};

 pub(crate) fn init(client: &AnyProtoClient) {
@@ -47,8 +42,7 @@ pub struct RemoteContextMetadata {
 pub struct ContextStore {
    contexts: Vec<ContextHandle>,
    contexts_metadata: Vec<SavedContextMetadata>,
-    context_server_manager: Entity<ContextServerManager>,
-    context_server_slash_command_ids: HashMap<Arc<str>, Vec<SlashCommandId>>,
+    context_server_slash_command_ids: HashMap<ContextServerId, Vec<SlashCommandId>>,
    host_contexts: Vec<RemoteContextMetadata>,
    fs: Arc<dyn Fs>,
    languages: Arc<LanguageRegistry>,
@@ -105,15 +99,9 @@ impl ContextStore {
            let (mut events, _) = fs.watch(contexts_dir(), CONTEXT_WATCH_DURATION).await;

            let this = cx.new(|cx: &mut Context<Self>| {
-                let context_server_factory_registry =
-                    ContextServerFactoryRegistry::default_global(cx);
-                let context_server_manager = cx.new(|cx| {
-                    ContextServerManager::new(context_server_factory_registry, project.clone(), cx)
-                });
                let mut this = Self {
                    contexts: Vec::new(),
                    contexts_metadata: Vec::new(),
-                    context_server_manager,
                    context_server_slash_command_ids: HashMap::default(),
                    host_contexts: Vec::new(),
                    fs,
@@ -351,7 +339,11 @@ impl ContextStore {
        }
    }

-    pub fn contexts(&self) -> Vec<SavedContextMetadata> {
+    pub fn unordered_contexts(&self) -> impl Iterator<Item = &SavedContextMetadata> {
+        self.contexts_metadata.iter()
+    }
+
+    pub fn reverse_chronological_contexts(&self) -> Vec<SavedContextMetadata> {
        let mut contexts = self.contexts_metadata.iter().cloned().collect::<Vec<_>>();
        contexts.sort_unstable_by_key(|thread| std::cmp::Reverse(thread.mtime));
        contexts
@@ -430,7 +422,7 @@ impl ContextStore {

    pub fn open_local_context(
        &mut self,
-        path: PathBuf,
+        path: Arc<Path>,
        cx: &Context<Self>,
    ) -> Task<Result<Entity<AssistantContext>>> {
        if let Some(existing_context) = self.loaded_context_for_path(&path, cx) {
@@ -478,7 +470,7 @@ impl ContextStore {

    pub fn delete_local_context(
        &mut self,
-        path: PathBuf,
+        path: Arc<Path>,
        cx: &mut Context<Self>,
    ) -> Task<Result<()>> {
        let fs = self.fs.clone();
@@ -501,7 +493,7 @@ impl ContextStore {
                        != Some(&path)
                });
                this.contexts_metadata
-                    .retain(|context| context.path != path);
+                    .retain(|context| context.path.as_ref() != path.as_ref());
            })?;

            Ok(())
@@ -511,7 +503,7 @@ impl ContextStore {
    fn loaded_context_for_path(&self, path: &Path, cx: &App) -> Option<Entity<AssistantContext>> {
        self.contexts.iter().find_map(|context| {
            let context = context.upgrade()?;
-            if context.read(cx).path() == Some(path) {
+            if context.read(cx).path().map(Arc::as_ref) == Some(path) {
                Some(context)
            } else {
                None
@@ -794,7 +786,7 @@ impl ContextStore {
                    {
                        contexts.push(SavedContextMetadata {
                            title: title.to_string(),
-                            path,
+                            path: path.into(),
                            mtime: metadata.mtime.timestamp_for_user().into(),
                        });
                    }
@@ -809,22 +801,9 @@ impl ContextStore {
        })
    }

-    pub fn restart_context_servers(&mut self, cx: &mut Context<Self>) {
-        cx.update_entity(
-            &self.context_server_manager,
-            |context_server_manager, cx| {
-                for server in context_server_manager.running_servers() {
-                    context_server_manager
-                        .restart_server(&server.id(), cx)
-                        .detach_and_log_err(cx);
-                }
-            },
-        );
-    }
-
    fn register_context_server_handlers(&self, cx: &mut Context<Self>) {
        cx.subscribe(
-            &self.context_server_manager.clone(),
+            &self.project.read(cx).context_server_store(),
            Self::handle_context_server_event,
        )
        .detach();
@@ -832,60 +811,68 @@ impl ContextStore {

    fn handle_context_server_event(
        &mut self,
-        context_server_manager: Entity<ContextServerManager>,
-        event: &context_server::manager::Event,
+        context_server_manager: Entity<ContextServerStore>,
+        event: &project::context_server_store::Event,
        cx: &mut Context<Self>,
    ) {
        let slash_command_working_set = self.slash_commands.clone();
        match event {
-            context_server::manager::Event::ServerStarted { server_id } => {
-                if let Some(server) = context_server_manager.read(cx).get_server(server_id) {
-                    let context_server_manager = context_server_manager.clone();
-                    cx.spawn({
-                        let server = server.clone();
-                        let server_id = server_id.clone();
-                        async move |this, cx| {
-                            let Some(protocol) = server.client() else {
-                                return;
-                            };
+            project::context_server_store::Event::ServerStatusChanged { server_id, status } => {
+                match status {
+                    ContextServerStatus::Running => {
+                        if let Some(server) = context_server_manager
+                            .read(cx)
+                            .get_running_server(server_id)
+                        {
+                            let context_server_manager = context_server_manager.clone();
+                            cx.spawn({
+                                let server = server.clone();
+                                let server_id = server_id.clone();
+                                async move |this, cx| {
+                                    let Some(protocol) = server.client() else {
+                                        return;
+                                    };

-                            if protocol.capable(context_server::protocol::ServerCapability::Prompts) {
-                                if let Some(prompts) = protocol.list_prompts().await.log_err() {
-                                    let slash_command_ids = prompts
-                                        .into_iter()
-                                        .filter(assistant_slash_commands::acceptable_prompt)
-                                        .map(|prompt| {
-                                            log::info!(
-                                                "registering context server command: {:?}",
-                                                prompt.name
-                                            );
-                                            slash_command_working_set.insert(Arc::new(
-                                                assistant_slash_commands::ContextServerSlashCommand::new(
-                                                    context_server_manager.clone(),
-                                                    &server,
-                                                    prompt,
-                                                ),
-                                            ))
-                                        })
-                                        .collect::<Vec<_>>();
+                                    if protocol.capable(context_server::protocol::ServerCapability::Prompts) {
+                                        if let Some(prompts) = protocol.list_prompts().await.log_err() {
+                                            let slash_command_ids = prompts
+                                                .into_iter()
+                                                .filter(assistant_slash_commands::acceptable_prompt)
+                                                .map(|prompt| {
+                                                    log::info!(
+                                                        "registering context server command: {:?}",
+                                                        prompt.name
+                                                    );
+                                                    slash_command_working_set.insert(Arc::new(
+                                                        assistant_slash_commands::ContextServerSlashCommand::new(
+                                                            context_server_manager.clone(),
+                                                            server.id(),
+                                                            prompt,
+                                                        ),
+                                                    ))
+                                                })
+                                                .collect::<Vec<_>>();

-                                    this.update( cx, |this, _cx| {
-                                        this.context_server_slash_command_ids
-                                            .insert(server_id.clone(), slash_command_ids);
-                                    })
-                                    .log_err();
+                                            this.update( cx, |this, _cx| {
+                                                this.context_server_slash_command_ids
+                                                    .insert(server_id.clone(), slash_command_ids);
+                                            })
+                                            .log_err();
+                                        }
+                                    }
                                }
-                            }
+                            })
+                            .detach();
                        }
-                    })
-                    .detach();
-                }
-            }
-            context_server::manager::Event::ServerStopped { server_id } => {
-                if let Some(slash_command_ids) =
-                    self.context_server_slash_command_ids.remove(server_id)
-                {
-                    slash_command_working_set.remove(&slash_command_ids);
+                    }
+                    ContextServerStatus::Stopped | ContextServerStatus::Error(_) => {
+                        if let Some(slash_command_ids) =
+                            self.context_server_slash_command_ids.remove(server_id)
+                        {
+                            slash_command_working_set.remove(&slash_command_ids);
+                        }
+                    }
+                    _ => {}
                }
            }
        }
--- a/crates/assistant_settings/Cargo.toml
+++ b/crates/assistant_settings/Cargo.toml
@@ -14,7 +14,7 @@ path = "src/assistant_settings.rs"
 [dependencies]
 anthropic = { workspace = true, features = ["schemars"] }
 anyhow.workspace = true
-feature_flags.workspace = true
+collections.workspace = true
 gpui.workspace = true
 indexmap.workspace = true
 language_model.workspace = true
@@ -27,10 +27,12 @@ schemars.workspace = true
 serde.workspace = true
 settings.workspace = true
 workspace-hack.workspace = true
+zed_llm_client.workspace = true

 [dev-dependencies]
 fs.workspace = true
 gpui = { workspace = true, features = ["test-support"] }
 paths.workspace = true
 serde_json_lenient.workspace = true
+serde_json.workspace = true
 settings = { workspace = true, features = ["test-support"] }
--- a/crates/assistant_settings/src/agent_profile.rs
+++ b/crates/assistant_settings/src/agent_profile.rs
@@ -1,10 +1,45 @@
 use std::sync::Arc;

+use collections::IndexMap;
 use gpui::SharedString;
-use indexmap::IndexMap;
 use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};

+pub mod builtin_profiles {
+    use super::AgentProfileId;
+
+    pub const WRITE: &str = "write";
+    pub const ASK: &str = "ask";
+    pub const MINIMAL: &str = "minimal";
+
+    pub fn is_builtin(profile_id: &AgentProfileId) -> bool {
+        profile_id.as_str() == WRITE || profile_id.as_str() == ASK || profile_id.as_str() == MINIMAL
+    }
+}
+
+#[derive(Default)]
+pub struct GroupedAgentProfiles {
+    pub builtin: IndexMap<AgentProfileId, AgentProfile>,
+    pub custom: IndexMap<AgentProfileId, AgentProfile>,
+}
+
+impl GroupedAgentProfiles {
+    pub fn from_settings(settings: &crate::AssistantSettings) -> Self {
+        let mut builtin = IndexMap::default();
+        let mut custom = IndexMap::default();
+
+        for (profile_id, profile) in settings.profiles.clone() {
+            if builtin_profiles::is_builtin(&profile_id) {
+                builtin.insert(profile_id, profile);
+            } else {
+                custom.insert(profile_id, profile);
+            }
+        }
+
+        Self { builtin, custom }
+    }
+}
+
 #[derive(Debug, PartialEq, Eq, Hash, Clone, Serialize, Deserialize, JsonSchema)]
 pub struct AgentProfileId(pub Arc<str>);

--- a/crates/assistant_settings/src/assistant_settings.rs
+++ b/crates/assistant_settings/src/assistant_settings.rs
@@ -5,10 +5,9 @@ use std::sync::Arc;
 use ::open_ai::Model as OpenAiModel;
 use anthropic::Model as AnthropicModel;
 use anyhow::{Result, bail};
+use collections::IndexMap;
 use deepseek::Model as DeepseekModel;
-use feature_flags::{Assistant2FeatureFlag, FeatureFlagAppExt};
-use gpui::{App, Pixels};
-use indexmap::IndexMap;
+use gpui::{App, Pixels, SharedString};
 use language_model::{CloudModel, LanguageModel};
 use lmstudio::Model as LmStudioModel;
 use ollama::Model as OllamaModel;
@@ -18,6 +17,10 @@ use settings::{Settings, SettingsSources};

 pub use crate::agent_profile::*;

+pub fn init(cx: &mut App) {
+    AssistantSettings::register(cx);
+}
+
 #[derive(Copy, Clone, Default, Debug, Serialize, Deserialize, JsonSchema)]
 #[serde(rename_all = "snake_case")]
 pub enum AssistantDockPosition {
@@ -69,7 +72,7 @@ pub enum AssistantProviderContentV1 {
    },
 }

-#[derive(Clone, Debug, Default)]
+#[derive(Default, Clone, Debug)]
 pub struct AssistantSettings {
    pub enabled: bool,
    pub button: bool,
@@ -87,27 +90,68 @@ pub struct AssistantSettings {
    pub profiles: IndexMap<AgentProfileId, AgentProfile>,
    pub always_allow_tool_actions: bool,
    pub notify_when_agent_waiting: NotifyWhenAgentWaiting,
+    pub stream_edits: bool,
+    pub single_file_review: bool,
+    pub model_parameters: Vec<LanguageModelParameters>,
+    pub preferred_completion_mode: CompletionMode,
 }

 impl AssistantSettings {
-    pub fn are_live_diffs_enabled(&self, cx: &App) -> bool {
-        if cx.has_flag::<Assistant2FeatureFlag>() {
-            return false;
-        }
+    pub fn temperature_for_model(model: &Arc<dyn LanguageModel>, cx: &App) -> Option<f32> {
+        let settings = Self::get_global(cx);
+        settings
+            .model_parameters
+            .iter()
+            .rfind(|setting| setting.matches(model))
+            .and_then(|m| m.temperature)
+    }

-        cx.is_staff() || self.enable_experimental_live_diffs
+    pub fn are_live_diffs_enabled(&self, _cx: &App) -> bool {
+        false
    }

    pub fn set_inline_assistant_model(&mut self, provider: String, model: String) {
-        self.inline_assistant_model = Some(LanguageModelSelection { provider, model });
+        self.inline_assistant_model = Some(LanguageModelSelection {
+            provider: provider.into(),
+            model,
+        });
    }

    pub fn set_commit_message_model(&mut self, provider: String, model: String) {
-        self.commit_message_model = Some(LanguageModelSelection { provider, model });
+        self.commit_message_model = Some(LanguageModelSelection {
+            provider: provider.into(),
+            model,
+        });
    }

    pub fn set_thread_summary_model(&mut self, provider: String, model: String) {
-        self.thread_summary_model = Some(LanguageModelSelection { provider, model });
+        self.thread_summary_model = Some(LanguageModelSelection {
+            provider: provider.into(),
+            model,
+        });
+    }
+}
+
+#[derive(Clone, Debug, Serialize, Deserialize, JsonSchema, PartialEq)]
+pub struct LanguageModelParameters {
+    pub provider: Option<LanguageModelProviderSetting>,
+    pub model: Option<SharedString>,
+    pub temperature: Option<f32>,
+}
+
+impl LanguageModelParameters {
+    pub fn matches(&self, model: &Arc<dyn LanguageModel>) -> bool {
+        if let Some(provider) = &self.provider {
+            if provider.0 != model.provider_id().0 {
+                return false;
+            }
+        }
+        if let Some(setting_model) = &self.model {
+            if *setting_model != model.id().0 {
+                return false;
+            }
+        }
+        true
    }
 }

@@ -174,37 +218,37 @@ impl AssistantSettingsContent {
                        .and_then(|provider| match provider {
                            AssistantProviderContentV1::ZedDotDev { default_model } => {
                                default_model.map(|model| LanguageModelSelection {
-                                    provider: "zed.dev".to_string(),
+                                    provider: "zed.dev".into(),
                                    model: model.id().to_string(),
                                })
                            }
                            AssistantProviderContentV1::OpenAi { default_model, .. } => {
                                default_model.map(|model| LanguageModelSelection {
-                                    provider: "openai".to_string(),
+                                    provider: "openai".into(),
                                    model: model.id().to_string(),
                                })
                            }
                            AssistantProviderContentV1::Anthropic { default_model, .. } => {
                                default_model.map(|model| LanguageModelSelection {
-                                    provider: "anthropic".to_string(),
+                                    provider: "anthropic".into(),
                                    model: model.id().to_string(),
                                })
                            }
                            AssistantProviderContentV1::Ollama { default_model, .. } => {
                                default_model.map(|model| LanguageModelSelection {
-                                    provider: "ollama".to_string(),
+                                    provider: "ollama".into(),
                                    model: model.id().to_string(),
                                })
                            }
                            AssistantProviderContentV1::LmStudio { default_model, .. } => {
                                default_model.map(|model| LanguageModelSelection {
-                                    provider: "lmstudio".to_string(),
+                                    provider: "lmstudio".into(),
                                    model: model.id().to_string(),
                                })
                            }
                            AssistantProviderContentV1::DeepSeek { default_model, .. } => {
                                default_model.map(|model| LanguageModelSelection {
-                                    provider: "deepseek".to_string(),
+                                    provider: "deepseek".into(),
                                    model: model.id().to_string(),
                                })
                            }
@@ -218,6 +262,10 @@ impl AssistantSettingsContent {
                    profiles: None,
                    always_allow_tool_actions: None,
                    notify_when_agent_waiting: None,
+                    stream_edits: None,
+                    single_file_review: None,
+                    model_parameters: Vec::new(),
+                    preferred_completion_mode: None,
                },
                VersionedAssistantSettingsContent::V2(ref settings) => settings.clone(),
            },
@@ -228,7 +276,7 @@ impl AssistantSettingsContent {
                default_width: settings.default_width,
                default_height: settings.default_height,
                default_model: Some(LanguageModelSelection {
-                    provider: "openai".to_string(),
+                    provider: "openai".into(),
                    model: settings
                        .default_open_ai_model
                        .clone()
@@ -245,6 +293,10 @@ impl AssistantSettingsContent {
                profiles: None,
                always_allow_tool_actions: None,
                notify_when_agent_waiting: None,
+                stream_edits: None,
+                single_file_review: None,
+                model_parameters: Vec::new(),
+                preferred_completion_mode: None,
            },
            None => AssistantSettingsContentV2::default(),
        }
@@ -305,7 +357,12 @@ impl AssistantSettingsContent {
                                _ => None,
                            };
                            settings.provider = Some(AssistantProviderContentV1::Ollama {
-                                default_model: Some(ollama::Model::new(&model, None, None)),
+                                default_model: Some(ollama::Model::new(
+                                    &model,
+                                    None,
+                                    None,
+                                    Some(language_model.supports_tools()),
+                                )),
                                api_url,
                            });
                        }
@@ -352,7 +409,10 @@ impl AssistantSettingsContent {
                    }
                }
                VersionedAssistantSettingsContent::V2(ref mut settings) => {
-                    settings.default_model = Some(LanguageModelSelection { provider, model });
+                    settings.default_model = Some(LanguageModelSelection {
+                        provider: provider.into(),
+                        model,
+                    });
                }
            },
            Some(AssistantSettingsContentInner::Legacy(settings)) => {
@@ -363,7 +423,10 @@ impl AssistantSettingsContent {
            None => {
                self.inner = Some(AssistantSettingsContentInner::for_v2(
                    AssistantSettingsContentV2 {
-                        default_model: Some(LanguageModelSelection { provider, model }),
+                        default_model: Some(LanguageModelSelection {
+                            provider: provider.into(),
+                            model,
+                        }),
                        ..Default::default()
                    },
                ));
@@ -373,7 +436,10 @@ impl AssistantSettingsContent {

    pub fn set_inline_assistant_model(&mut self, provider: String, model: String) {
        self.v2_setting(|setting| {
-            setting.inline_assistant_model = Some(LanguageModelSelection { provider, model });
+            setting.inline_assistant_model = Some(LanguageModelSelection {
+                provider: provider.into(),
+                model,
+            });
            Ok(())
        })
        .ok();
@@ -381,7 +447,10 @@ impl AssistantSettingsContent {

    pub fn set_commit_message_model(&mut self, provider: String, model: String) {
        self.v2_setting(|setting| {
-            setting.commit_message_model = Some(LanguageModelSelection { provider, model });
+            setting.commit_message_model = Some(LanguageModelSelection {
+                provider: provider.into(),
+                model,
+            });
            Ok(())
        })
        .ok();
@@ -409,7 +478,10 @@ impl AssistantSettingsContent {

    pub fn set_thread_summary_model(&mut self, provider: String, model: String) {
        self.v2_setting(|setting| {
-            setting.thread_summary_model = Some(LanguageModelSelection { provider, model });
+            setting.thread_summary_model = Some(LanguageModelSelection {
+                provider: provider.into(),
+                model,
+            });
            Ok(())
        })
        .ok();
@@ -423,6 +495,14 @@ impl AssistantSettingsContent {
        .ok();
    }

+    pub fn set_single_file_review(&mut self, allow: bool) {
+        self.v2_setting(|setting| {
+            setting.single_file_review = Some(allow);
+            Ok(())
+        })
+        .ok();
+    }
+
    pub fn set_profile(&mut self, profile_id: AgentProfileId) {
        self.v2_setting(|setting| {
            setting.default_profile = Some(profile_id);
@@ -495,6 +575,10 @@ impl Default for VersionedAssistantSettingsContent {
            profiles: None,
            always_allow_tool_actions: None,
            notify_when_agent_waiting: None,
+            stream_edits: None,
+            single_file_review: None,
+            model_parameters: Vec::new(),
+            preferred_completion_mode: None,
        })
    }
 }
@@ -550,37 +634,96 @@ pub struct AssistantSettingsContentV2 {
    ///
    /// Default: "primary_screen"
    notify_when_agent_waiting: Option<NotifyWhenAgentWaiting>,
+    /// Whether to stream edits from the agent as they are received.
+    ///
+    /// Default: false
+    stream_edits: Option<bool>,
+    /// Whether to display agent edits in single-file editors in addition to the review multibuffer pane.
+    ///
+    /// Default: true
+    single_file_review: Option<bool>,
+    /// Additional parameters for language model requests. When making a request
+    /// to a model, parameters will be taken from the last entry in this list
+    /// that matches the model's provider and name. In each entry, both provider
+    /// and model are optional, so that you can specify parameters for either
+    /// one.
+    ///
+    /// Default: []
+    #[serde(default)]
+    model_parameters: Vec<LanguageModelParameters>,
+
+    /// What completion mode to enable for new threads
+    ///
+    /// Default: normal
+    preferred_completion_mode: Option<CompletionMode>,
+}
+
+#[derive(Clone, Copy, Debug, Serialize, Deserialize, JsonSchema, PartialEq, Default)]
+#[serde(rename_all = "snake_case")]
+pub enum CompletionMode {
+    #[default]
+    Normal,
+    Max,
+}
+
+impl From<CompletionMode> for zed_llm_client::CompletionMode {
+    fn from(value: CompletionMode) -> Self {
+        match value {
+            CompletionMode::Normal => zed_llm_client::CompletionMode::Normal,
+            CompletionMode::Max => zed_llm_client::CompletionMode::Max,
+        }
+    }
 }

 #[derive(Clone, Debug, Serialize, Deserialize, JsonSchema, PartialEq)]
 pub struct LanguageModelSelection {
-    #[schemars(schema_with = "providers_schema")]
-    pub provider: String,
+    pub provider: LanguageModelProviderSetting,
    pub model: String,
 }

-fn providers_schema(_: &mut schemars::r#gen::SchemaGenerator) -> schemars::schema::Schema {
-    schemars::schema::SchemaObject {
-        enum_values: Some(vec![
-            "anthropic".into(),
-            "bedrock".into(),
-            "google".into(),
-            "lmstudio".into(),
-            "ollama".into(),
-            "openai".into(),
-            "zed.dev".into(),
-            "copilot_chat".into(),
-            "deepseek".into(),
-        ]),
-        ..Default::default()
+#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
+pub struct LanguageModelProviderSetting(pub String);
+
+impl JsonSchema for LanguageModelProviderSetting {
+    fn schema_name() -> String {
+        "LanguageModelProviderSetting".into()
+    }
+
+    fn json_schema(_: &mut schemars::r#gen::SchemaGenerator) -> Schema {
+        schemars::schema::SchemaObject {
+            enum_values: Some(vec![
+                "anthropic".into(),
+                "bedrock".into(),
+                "google".into(),
+                "lmstudio".into(),
+                "ollama".into(),
+                "openai".into(),
+                "zed.dev".into(),
+                "copilot_chat".into(),
+                "deepseek".into(),
+            ]),
+            ..Default::default()
+        }
+        .into()
+    }
+}
+
+impl From<String> for LanguageModelProviderSetting {
+    fn from(provider: String) -> Self {
+        Self(provider)
+    }
+}
+
+impl From<&str> for LanguageModelProviderSetting {
+    fn from(provider: &str) -> Self {
+        Self(provider.to_string())
    }
-    .into()
 }

 impl Default for LanguageModelSelection {
    fn default() -> Self {
        Self {
-            provider: "openai".to_string(),
+            provider: LanguageModelProviderSetting("openai".to_string()),
            model: "gpt-4".to_string(),
        }
    }
@@ -660,7 +803,9 @@ pub struct LegacyAssistantSettingsContent {
 }

 impl Settings for AssistantSettings {
-    const KEY: Option<&'static str> = Some("assistant");
+    const KEY: Option<&'static str> = Some("agent");
+
+    const FALLBACK_KEY: Option<&'static str> = Some("assistant");

    const PRESERVED_KEYS: Option<&'static [&'static str]> = Some(&["version"]);

@@ -712,7 +857,17 @@ impl Settings for AssistantSettings {
                &mut settings.notify_when_agent_waiting,
                value.notify_when_agent_waiting,
            );
+            merge(&mut settings.stream_edits, value.stream_edits);
+            merge(&mut settings.single_file_review, value.single_file_review);
            merge(&mut settings.default_profile, value.default_profile);
+            merge(
+                &mut settings.preferred_completion_mode,
+                value.preferred_completion_mode,
+            );
+
+            settings
+                .model_parameters
+                .extend_from_slice(&value.model_parameters);

            if let Some(profiles) = value.profiles {
                settings
@@ -791,6 +946,7 @@ fn merge<T>(target: &mut T, value: Option<T>) {
 mod tests {
    use fs::Fs;
    use gpui::{ReadGlobal, TestAppContext};
+    use settings::SettingsStore;

    use super::*;

@@ -843,6 +999,10 @@ mod tests {
                                profiles: None,
                                always_allow_tool_actions: None,
                                notify_when_agent_waiting: None,
+                                stream_edits: None,
+                                single_file_review: None,
+                                model_parameters: Vec::new(),
+                                preferred_completion_mode: None,
                            },
                        )),
                    }
@@ -857,12 +1017,75 @@ mod tests {

        #[derive(Debug, Deserialize)]
        struct AssistantSettingsTest {
-            assistant: AssistantSettingsContent,
+            agent: AssistantSettingsContent,
        }

        let assistant_settings: AssistantSettingsTest =
            serde_json_lenient::from_str(&raw_settings_value).unwrap();

-        assert!(!assistant_settings.assistant.is_version_outdated());
+        assert!(!assistant_settings.agent.is_version_outdated());
+    }
+
+    #[gpui::test]
+    async fn test_load_settings_from_old_key(cx: &mut TestAppContext) {
+        let fs = fs::FakeFs::new(cx.executor().clone());
+        fs.create_dir(paths::settings_file().parent().unwrap())
+            .await
+            .unwrap();
+
+        cx.update(|cx| {
+            let mut test_settings = settings::SettingsStore::test(cx);
+            let user_settings_content = r#"{
+            "assistant": {
+                "enabled": true,
+                "version": "2",
+                "default_model": {
+                  "provider": "zed.dev",
+                  "model": "gpt-99"
+                },
+            }}"#;
+            test_settings
+                .set_user_settings(user_settings_content, cx)
+                .unwrap();
+            cx.set_global(test_settings);
+            AssistantSettings::register(cx);
+        });
+
+        cx.run_until_parked();
+
+        let assistant_settings = cx.update(|cx| AssistantSettings::get_global(cx).clone());
+        assert!(assistant_settings.enabled);
+        assert!(!assistant_settings.using_outdated_settings_version);
+        assert_eq!(assistant_settings.default_model.model, "gpt-99");
+
+        cx.update_global::<SettingsStore, _>(|settings_store, cx| {
+            settings_store.update_user_settings::<AssistantSettings>(cx, |settings| {
+                *settings = AssistantSettingsContent {
+                    inner: Some(AssistantSettingsContentInner::for_v2(
+                        AssistantSettingsContentV2 {
+                            enabled: Some(false),
+                            default_model: Some(LanguageModelSelection {
+                                provider: "xai".to_owned().into(),
+                                model: "grok".to_owned(),
+                            }),
+                            ..Default::default()
+                        },
+                    )),
+                };
+            });
+        });
+
+        cx.run_until_parked();
+
+        let settings = cx.update(|cx| SettingsStore::global(cx).raw_user_settings().clone());
+
+        #[derive(Debug, Deserialize)]
+        struct AssistantSettingsTest {
+            assistant: AssistantSettingsContent,
+            agent: Option<serde_json_lenient::Value>,
+        }
+
+        let assistant_settings: AssistantSettingsTest = serde_json::from_value(settings).unwrap();
+        assert!(assistant_settings.agent.is_none());
    }
 }
--- a/crates/assistant_slash_commands/src/context_server_command.rs
+++ b/crates/assistant_slash_commands/src/context_server_command.rs
@@ -4,12 +4,10 @@ use assistant_slash_command::{
    SlashCommandOutputSection, SlashCommandResult,
 };
 use collections::HashMap;
-use context_server::{
-    manager::{ContextServer, ContextServerManager},
-    types::Prompt,
-};
+use context_server::{ContextServerId, types::Prompt};
 use gpui::{App, Entity, Task, WeakEntity, Window};
 use language::{BufferSnapshot, CodeLabel, LspAdapterDelegate};
+use project::context_server_store::ContextServerStore;
 use std::sync::Arc;
 use std::sync::atomic::AtomicBool;
 use text::LineEnding;
@@ -19,21 +17,17 @@ use workspace::Workspace;
 use crate::create_label_for_command;

 pub struct ContextServerSlashCommand {
-    server_manager: Entity<ContextServerManager>,
-    server_id: Arc<str>,
+    store: Entity<ContextServerStore>,
+    server_id: ContextServerId,
    prompt: Prompt,
 }

 impl ContextServerSlashCommand {
-    pub fn new(
-        server_manager: Entity<ContextServerManager>,
-        server: &Arc<ContextServer>,
-        prompt: Prompt,
-    ) -> Self {
+    pub fn new(store: Entity<ContextServerStore>, id: ContextServerId, prompt: Prompt) -> Self {
        Self {
-            server_id: server.id(),
+            server_id: id,
            prompt,
-            server_manager,
+            store,
        }
    }
 }
@@ -88,7 +82,7 @@ impl SlashCommand for ContextServerSlashCommand {
        let server_id = self.server_id.clone();
        let prompt_name = self.prompt.name.clone();

-        if let Some(server) = self.server_manager.read(cx).get_server(&server_id) {
+        if let Some(server) = self.store.read(cx).get_running_server(&server_id) {
            cx.foreground_executor().spawn(async move {
                let Some(protocol) = server.client() else {
                    return Err(anyhow!("Context server not initialized"));
@@ -142,8 +136,8 @@ impl SlashCommand for ContextServerSlashCommand {
            Err(e) => return Task::ready(Err(e)),
        };

-        let manager = self.server_manager.read(cx);
-        if let Some(server) = manager.get_server(&server_id) {
+        let store = self.store.read(cx);
+        if let Some(server) = store.get_running_server(&server_id) {
            cx.foreground_executor().spawn(async move {
                let Some(protocol) = server.client() else {
                    return Err(anyhow!("Context server not initialized"));
--- a/crates/assistant_slash_commands/src/fetch_command.rs
+++ b/crates/assistant_slash_commands/src/fetch_command.rs
@@ -55,11 +55,14 @@ impl FetchSlashCommand {
        let content_type = content_type
            .to_str()
            .context("invalid Content-Type header")?;
-        let content_type = match content_type {
-            "text/html" => ContentType::Html,
-            "text/plain" => ContentType::Plaintext,
-            "application/json" => ContentType::Json,
-            _ => ContentType::Html,
+        let content_type = if content_type.starts_with("text/html") {
+            ContentType::Html
+        } else if content_type.starts_with("text/plain") {
+            ContentType::Plaintext
+        } else if content_type.starts_with("application/json") {
+            ContentType::Json
+        } else {
+            ContentType::Html
        };

        match content_type {
--- a/crates/assistant_tool/Cargo.toml
+++ b/crates/assistant_tool/Cargo.toml
@@ -24,6 +24,7 @@ language.workspace = true
 language_model.workspace = true
 parking_lot.workspace = true
 project.workspace = true
+regex.workspace = true
 serde.workspace = true
 serde_json.workspace = true
 text.workspace = true
--- a/crates/assistant_tool/src/action_log.rs
+++ b/crates/assistant_tool/src/action_log.rs
@@ -29,6 +29,10 @@ impl ActionLog {
        }
    }

+    pub fn project(&self) -> &Entity<Project> {
+        &self.project
+    }
+
    /// Notifies a diagnostics check
    pub fn checked_project_diagnostics(&mut self) {
        self.edited_since_project_diagnostics_check = false;
@@ -42,6 +46,7 @@ impl ActionLog {
    fn track_buffer_internal(
        &mut self,
        buffer: Entity<Buffer>,
+        is_created: bool,
        cx: &mut Context<Self>,
    ) -> &mut TrackedBuffer {
        let tracked_buffer = self
@@ -58,13 +63,21 @@ impl ActionLog {
                let base_text;
                let status;
                let unreviewed_changes;
-                if buffer
-                    .read(cx)
-                    .file()
-                    .map_or(true, |file| !file.disk_state().exists())
-                {
+                if is_created {
+                    let existing_file_content = if buffer
+                        .read(cx)
+                        .file()
+                        .map_or(false, |file| file.disk_state().exists())
+                    {
+                        Some(text_snapshot.as_rope().clone())
+                    } else {
+                        None
+                    };
+
                    base_text = Rope::default();
-                    status = TrackedBufferStatus::Created;
+                    status = TrackedBufferStatus::Created {
+                        existing_file_content,
+                    };
                    unreviewed_changes = Patch::new(vec![Edit {
                        old: 0..1,
                        new: 0..text_snapshot.max_point().row + 1,
@@ -127,7 +140,7 @@ impl ActionLog {
        };

        match tracked_buffer.status {
-            TrackedBufferStatus::Created | TrackedBufferStatus::Modified => {
+            TrackedBufferStatus::Created { .. } | TrackedBufferStatus::Modified => {
                if buffer
                    .read(cx)
                    .file()
@@ -149,7 +162,7 @@ impl ActionLog {
                    // resurrected externally, we want to clear the changes we
                    // were tracking and reset the buffer's state.
                    self.tracked_buffers.remove(&buffer);
-                    self.track_buffer_internal(buffer, cx);
+                    self.track_buffer_internal(buffer, false, cx);
                }
                cx.notify();
            }
@@ -263,15 +276,22 @@ impl ActionLog {
    }

    /// Track a buffer as read, so we can notify the model about user edits.
-    pub fn track_buffer(&mut self, buffer: Entity<Buffer>, cx: &mut Context<Self>) {
-        self.track_buffer_internal(buffer, cx);
+    pub fn buffer_read(&mut self, buffer: Entity<Buffer>, cx: &mut Context<Self>) {
+        self.track_buffer_internal(buffer, false, cx);
+    }
+
+    /// Mark a buffer as edited, so we can refresh it in the context
+    pub fn buffer_created(&mut self, buffer: Entity<Buffer>, cx: &mut Context<Self>) {
+        self.edited_since_project_diagnostics_check = true;
+        self.tracked_buffers.remove(&buffer);
+        self.track_buffer_internal(buffer.clone(), true, cx);
    }

    /// Mark a buffer as edited, so we can refresh it in the context
    pub fn buffer_edited(&mut self, buffer: Entity<Buffer>, cx: &mut Context<Self>) {
        self.edited_since_project_diagnostics_check = true;

-        let tracked_buffer = self.track_buffer_internal(buffer.clone(), cx);
+        let tracked_buffer = self.track_buffer_internal(buffer.clone(), false, cx);
        if let TrackedBufferStatus::Deleted = tracked_buffer.status {
            tracked_buffer.status = TrackedBufferStatus::Modified;
        }
@@ -279,9 +299,9 @@ impl ActionLog {
    }

    pub fn will_delete_buffer(&mut self, buffer: Entity<Buffer>, cx: &mut Context<Self>) {
-        let tracked_buffer = self.track_buffer_internal(buffer.clone(), cx);
+        let tracked_buffer = self.track_buffer_internal(buffer.clone(), false, cx);
        match tracked_buffer.status {
-            TrackedBufferStatus::Created => {
+            TrackedBufferStatus::Created { .. } => {
                self.tracked_buffers.remove(&buffer);
                cx.notify();
            }
@@ -365,19 +385,35 @@ impl ActionLog {
            return Task::ready(Ok(()));
        };

-        match tracked_buffer.status {
-            TrackedBufferStatus::Created => {
-                let delete = buffer
-                    .read(cx)
-                    .entry_id(cx)
-                    .and_then(|entry_id| {
-                        self.project
-                            .update(cx, |project, cx| project.delete_entry(entry_id, false, cx))
-                    })
-                    .unwrap_or(Task::ready(Ok(())));
+        match &tracked_buffer.status {
+            TrackedBufferStatus::Created {
+                existing_file_content,
+            } => {
+                let task = if let Some(existing_file_content) = existing_file_content {
+                    buffer.update(cx, |buffer, cx| {
+                        buffer.start_transaction();
+                        buffer.set_text("", cx);
+                        for chunk in existing_file_content.chunks() {
+                            buffer.append(chunk, cx);
+                        }
+                        buffer.end_transaction(cx);
+                    });
+                    self.project
+                        .update(cx, |project, cx| project.save_buffer(buffer.clone(), cx))
+                } else {
+                    buffer
+                        .read(cx)
+                        .entry_id(cx)
+                        .and_then(|entry_id| {
+                            self.project
+                                .update(cx, |project, cx| project.delete_entry(entry_id, false, cx))
+                        })
+                        .unwrap_or(Task::ready(Ok(())))
+                };
+
                self.tracked_buffers.remove(&buffer);
                cx.notify();
-                delete
+                task
            }
            TrackedBufferStatus::Deleted => {
                buffer.update(cx, |buffer, cx| {
@@ -389,7 +425,7 @@ impl ActionLog {

                // Clear all tracked changes for this buffer and start over as if we just read it.
                self.tracked_buffers.remove(&buffer);
-                self.track_buffer_internal(buffer.clone(), cx);
+                self.buffer_read(buffer.clone(), cx);
                cx.notify();
                save
            }
@@ -611,9 +647,8 @@ enum ChangeAuthor {
    Agent,
 }

-#[derive(Copy, Clone, Eq, PartialEq)]
 enum TrackedBufferStatus {
-    Created,
+    Created { existing_file_content: Option<Rope> },
    Modified,
    Deleted,
 }
@@ -700,7 +735,7 @@ mod tests {
            .unwrap();

        cx.update(|cx| {
-            action_log.update(cx, |log, cx| log.track_buffer(buffer.clone(), cx));
+            action_log.update(cx, |log, cx| log.buffer_read(buffer.clone(), cx));
            buffer.update(cx, |buffer, cx| {
                buffer
                    .edit([(Point::new(1, 1)..Point::new(1, 2), "E")], None, cx)
@@ -781,7 +816,7 @@ mod tests {
            .unwrap();

        cx.update(|cx| {
-            action_log.update(cx, |log, cx| log.track_buffer(buffer.clone(), cx));
+            action_log.update(cx, |log, cx| log.buffer_read(buffer.clone(), cx));
            buffer.update(cx, |buffer, cx| {
                buffer
                    .edit([(Point::new(1, 0)..Point::new(2, 0), "")], None, cx)
@@ -863,7 +898,7 @@ mod tests {
            .unwrap();

        cx.update(|cx| {
-            action_log.update(cx, |log, cx| log.track_buffer(buffer.clone(), cx));
+            action_log.update(cx, |log, cx| log.buffer_read(buffer.clone(), cx));
            buffer.update(cx, |buffer, cx| {
                buffer
                    .edit([(Point::new(1, 2)..Point::new(2, 3), "F\nGHI")], None, cx)
@@ -959,7 +994,7 @@ mod tests {
            .await
            .unwrap();
        cx.update(|cx| {
-            action_log.update(cx, |log, cx| log.track_buffer(buffer.clone(), cx));
+            action_log.update(cx, |log, cx| log.buffer_created(buffer.clone(), cx));
            buffer.update(cx, |buffer, cx| buffer.set_text("lorem", cx));
            action_log.update(cx, |log, cx| log.buffer_edited(buffer.clone(), cx));
        });
@@ -1001,6 +1036,64 @@ mod tests {
        assert_eq!(unreviewed_hunks(&action_log, cx), vec![]);
    }

+    #[gpui::test(iterations = 10)]
+    async fn test_overwriting_files(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let fs = FakeFs::new(cx.executor());
+        fs.insert_tree(
+            path!("/dir"),
+            json!({
+                "file1": "Lorem ipsum dolor"
+            }),
+        )
+        .await;
+        let project = Project::test(fs.clone(), [path!("/dir").as_ref()], cx).await;
+        let action_log = cx.new(|_| ActionLog::new(project.clone()));
+        let file_path = project
+            .read_with(cx, |project, cx| project.find_project_path("dir/file1", cx))
+            .unwrap();
+
+        let buffer = project
+            .update(cx, |project, cx| project.open_buffer(file_path, cx))
+            .await
+            .unwrap();
+        cx.update(|cx| {
+            action_log.update(cx, |log, cx| log.buffer_created(buffer.clone(), cx));
+            buffer.update(cx, |buffer, cx| buffer.set_text("sit amet consecteur", cx));
+            action_log.update(cx, |log, cx| log.buffer_edited(buffer.clone(), cx));
+        });
+        project
+            .update(cx, |project, cx| project.save_buffer(buffer.clone(), cx))
+            .await
+            .unwrap();
+        cx.run_until_parked();
+        assert_eq!(
+            unreviewed_hunks(&action_log, cx),
+            vec![(
+                buffer.clone(),
+                vec![HunkStatus {
+                    range: Point::new(0, 0)..Point::new(0, 19),
+                    diff_status: DiffHunkStatusKind::Added,
+                    old_text: "".into(),
+                }],
+            )]
+        );
+
+        action_log
+            .update(cx, |log, cx| {
+                log.reject_edits_in_ranges(buffer.clone(), vec![2..5], cx)
+            })
+            .await
+            .unwrap();
+        cx.run_until_parked();
+        assert_eq!(unreviewed_hunks(&action_log, cx), vec![]);
+        assert_eq!(
+            buffer.read_with(cx, |buffer, _cx| buffer.text()),
+            "Lorem ipsum dolor"
+        );
+    }
+
    #[gpui::test(iterations = 10)]
    async fn test_deleting_files(cx: &mut TestAppContext) {
        init_test(cx);
@@ -1082,7 +1175,7 @@ mod tests {
            .update(cx, |project, cx| project.open_buffer(file2_path, cx))
            .await
            .unwrap();
-        action_log.update(cx, |log, cx| log.track_buffer(buffer2.clone(), cx));
+        action_log.update(cx, |log, cx| log.buffer_created(buffer2.clone(), cx));
        buffer2.update(cx, |buffer, cx| buffer.set_text("IPSUM", cx));
        action_log.update(cx, |log, cx| log.buffer_edited(buffer2.clone(), cx));
        project
@@ -1097,8 +1190,8 @@ mod tests {
                buffer2.clone(),
                vec![HunkStatus {
                    range: Point::new(0, 0)..Point::new(0, 5),
-                    diff_status: DiffHunkStatusKind::Modified,
-                    old_text: "ipsum\n".into(),
+                    diff_status: DiffHunkStatusKind::Added,
+                    old_text: "".into(),
                }],
            )]
        );
@@ -1129,7 +1222,7 @@ mod tests {
            .unwrap();

        cx.update(|cx| {
-            action_log.update(cx, |log, cx| log.track_buffer(buffer.clone(), cx));
+            action_log.update(cx, |log, cx| log.buffer_read(buffer.clone(), cx));
            buffer.update(cx, |buffer, cx| {
                buffer
                    .edit([(Point::new(1, 1)..Point::new(1, 2), "E\nXYZ")], None, cx)
@@ -1264,7 +1357,7 @@ mod tests {
            .unwrap();

        cx.update(|cx| {
-            action_log.update(cx, |log, cx| log.track_buffer(buffer.clone(), cx));
+            action_log.update(cx, |log, cx| log.buffer_read(buffer.clone(), cx));
            buffer.update(cx, |buffer, cx| {
                buffer
                    .edit([(Point::new(1, 1)..Point::new(1, 2), "E\nXYZ")], None, cx)
@@ -1397,7 +1490,7 @@ mod tests {
            .await
            .unwrap();
        cx.update(|cx| {
-            action_log.update(cx, |log, cx| log.track_buffer(buffer.clone(), cx));
+            action_log.update(cx, |log, cx| log.buffer_created(buffer.clone(), cx));
            buffer.update(cx, |buffer, cx| buffer.set_text("content", cx));
            action_log.update(cx, |log, cx| log.buffer_edited(buffer.clone(), cx));
        });
@@ -1455,7 +1548,7 @@ mod tests {
            .await
            .unwrap();

-        action_log.update(cx, |log, cx| log.track_buffer(buffer.clone(), cx));
+        action_log.update(cx, |log, cx| log.buffer_read(buffer.clone(), cx));

        for _ in 0..operations {
            match rng.gen_range(0..100) {
@@ -1507,7 +1600,7 @@ mod tests {
            log::info!("quiescing...");
            cx.run_until_parked();
            action_log.update(cx, |log, cx| {
-                let tracked_buffer = log.track_buffer_internal(buffer.clone(), cx);
+                let tracked_buffer = log.tracked_buffers.get(&buffer).unwrap();
                let mut old_text = tracked_buffer.base_text.clone();
                let new_text = buffer.read(cx).as_rope();
                for edit in tracked_buffer.unreviewed_changes.edits() {
--- a/crates/assistant_tool/src/assistant_tool.rs
+++ b/crates/assistant_tool/src/assistant_tool.rs
@@ -1,4 +1,5 @@
 mod action_log;
+pub mod outline;
 mod tool_registry;
 mod tool_schema;
 mod tool_working_set;
@@ -6,6 +7,7 @@ mod tool_working_set;
 use std::fmt;
 use std::fmt::Debug;
 use std::fmt::Formatter;
+use std::ops::Deref;
 use std::sync::Arc;

 use anyhow::Result;
@@ -16,7 +18,8 @@ use gpui::IntoElement;
 use gpui::Window;
 use gpui::{App, Entity, SharedString, Task, WeakEntity};
 use icons::IconName;
-use language_model::LanguageModelRequestMessage;
+use language_model::LanguageModel;
+use language_model::LanguageModelRequest;
 use language_model::LanguageModelToolSchemaFormat;
 use project::Project;
 use workspace::Workspace;
@@ -51,13 +54,43 @@ impl ToolUseStatus {
            ToolUseStatus::Error(out) => out.clone(),
        }
    }
+
+    pub fn error(&self) -> Option<SharedString> {
+        match self {
+            ToolUseStatus::Error(out) => Some(out.clone()),
+            _ => None,
+        }
+    }
+}
+
+#[derive(Debug)]
+pub struct ToolResultOutput {
+    pub content: String,
+    pub output: Option<serde_json::Value>,
+}
+
+impl From<String> for ToolResultOutput {
+    fn from(value: String) -> Self {
+        ToolResultOutput {
+            content: value,
+            output: None,
+        }
+    }
+}
+
+impl Deref for ToolResultOutput {
+    type Target = String;
+
+    fn deref(&self) -> &Self::Target {
+        &self.content
+    }
 }

 /// The result of running a tool, containing both the asynchronous output
 /// and an optional card view that can be rendered immediately.
 pub struct ToolResult {
    /// The asynchronous task that will eventually resolve to the tool's output
-    pub output: Task<Result<String>>,
+    pub output: Task<Result<ToolResultOutput>>,
    /// An optional view to present the output of the tool.
    pub card: Option<AnyToolCard>,
 }
@@ -120,9 +153,9 @@ impl AnyToolCard {
    }
 }

-impl From<Task<Result<String>>> for ToolResult {
+impl From<Task<Result<ToolResultOutput>>> for ToolResult {
    /// Convert from a task to a ToolResult with no card
-    fn from(output: Task<Result<String>>) -> Self {
+    fn from(output: Task<Result<ToolResultOutput>>) -> Self {
        Self { output, card: None }
    }
 }
@@ -173,12 +206,23 @@ pub trait Tool: 'static + Send + Sync {
    fn run(
        self: Arc<Self>,
        input: serde_json::Value,
-        messages: &[LanguageModelRequestMessage],
+        request: Arc<LanguageModelRequest>,
        project: Entity<Project>,
        action_log: Entity<ActionLog>,
+        model: Arc<dyn LanguageModel>,
        window: Option<AnyWindowHandle>,
        cx: &mut App,
    ) -> ToolResult;
+
+    fn deserialize_card(
+        self: Arc<Self>,
+        _output: serde_json::Value,
+        _project: Entity<Project>,
+        _window: &mut Window,
+        _cx: &mut App,
+    ) -> Option<AnyToolCard> {
+        None
+    }
 }

 impl Debug for dyn Tool {
--- a/crates/assistant_tool/src/outline.rs
+++ b/crates/assistant_tool/src/outline.rs
@@ -0,0 +1,132 @@
+use crate::ActionLog;
+use anyhow::{Result, anyhow};
+use gpui::{AsyncApp, Entity};
+use language::{OutlineItem, ParseStatus};
+use project::Project;
+use regex::Regex;
+use std::fmt::Write;
+use text::Point;
+
+/// For files over this size, instead of reading them (or including them in context),
+/// we automatically provide the file's symbol outline instead, with line numbers.
+pub const AUTO_OUTLINE_SIZE: usize = 16384;
+
+pub async fn file_outline(
+    project: Entity<Project>,
+    path: String,
+    action_log: Entity<ActionLog>,
+    regex: Option<Regex>,
+    cx: &mut AsyncApp,
+) -> anyhow::Result<String> {
+    let buffer = {
+        let project_path = project.read_with(cx, |project, cx| {
+            project
+                .find_project_path(&path, cx)
+                .ok_or_else(|| anyhow!("Path {path} not found in project"))
+        })??;
+
+        project
+            .update(cx, |project, cx| project.open_buffer(project_path, cx))?
+            .await?
+    };
+
+    action_log.update(cx, |action_log, cx| {
+        action_log.buffer_read(buffer.clone(), cx);
+    })?;
+
+    // Wait until the buffer has been fully parsed, so that we can read its outline.
+    let mut parse_status = buffer.read_with(cx, |buffer, _| buffer.parse_status())?;
+    while *parse_status.borrow() != ParseStatus::Idle {
+        parse_status.changed().await?;
+    }
+
+    let snapshot = buffer.read_with(cx, |buffer, _| buffer.snapshot())?;
+    let Some(outline) = snapshot.outline(None) else {
+        return Err(anyhow!("No outline information available for this file."));
+    };
+
+    render_outline(
+        outline
+            .items
+            .into_iter()
+            .map(|item| item.to_point(&snapshot)),
+        regex,
+        0,
+        usize::MAX,
+    )
+    .await
+}
+
+pub async fn render_outline(
+    items: impl IntoIterator<Item = OutlineItem<Point>>,
+    regex: Option<Regex>,
+    offset: usize,
+    results_per_page: usize,
+) -> Result<String> {
+    let mut items = items.into_iter().skip(offset);
+
+    let entries = items
+        .by_ref()
+        .filter(|item| {
+            regex
+                .as_ref()
+                .is_none_or(|regex| regex.is_match(&item.text))
+        })
+        .take(results_per_page)
+        .collect::<Vec<_>>();
+    let has_more = items.next().is_some();
+
+    let mut output = String::new();
+    let entries_rendered = render_entries(&mut output, entries);
+
+    // Calculate pagination information
+    let page_start = offset + 1;
+    let page_end = offset + entries_rendered;
+    let total_symbols = if has_more {
+        format!("more than {}", page_end)
+    } else {
+        page_end.to_string()
+    };
+
+    // Add pagination information
+    if has_more {
+        writeln!(&mut output, "\nShowing symbols {page_start}-{page_end} (there were more symbols found; use offset: {page_end} to see next page)",
+        )
+    } else {
+        writeln!(
+            &mut output,
+            "\nShowing symbols {page_start}-{page_end} (total symbols: {total_symbols})",
+        )
+    }
+    .ok();
+
+    Ok(output)
+}
+
+fn render_entries(
+    output: &mut String,
+    items: impl IntoIterator<Item = OutlineItem<Point>>,
+) -> usize {
+    let mut entries_rendered = 0;
+
+    for item in items {
+        // Indent based on depth ("" for level 0, "  " for level 1, etc.)
+        for _ in 0..item.depth {
+            output.push(' ');
+        }
+        output.push_str(&item.text);
+
+        // Add position information - convert to 1-based line numbers for display
+        let start_line = item.range.start.row + 1;
+        let end_line = item.range.end.row + 1;
+
+        if start_line == end_line {
+            writeln!(output, " [L{}]", start_line).ok();
+        } else {
+            writeln!(output, " [L{}-{}]", start_line, end_line).ok();
+        }
+        entries_rendered += 1;
+    }
+
+    entries_rendered
+}
--- a/crates/assistant_tool/src/tool_schema.rs
+++ b/crates/assistant_tool/src/tool_schema.rs
@@ -35,25 +35,17 @@ fn adapt_to_json_schema_subset(json: &mut Value) -> Result<()> {
            }
        }

-        const KEYS_TO_REMOVE: [&str; 4] = [
+        const KEYS_TO_REMOVE: [&str; 5] = [
            "format",
            "additionalProperties",
            "exclusiveMinimum",
            "exclusiveMaximum",
+            "optional",
        ];
        for key in KEYS_TO_REMOVE {
            obj.remove(key);
        }

-        if let Some(default) = obj.get("default") {
-            let is_null = default.is_null();
-            // Default is not supported, so we need to remove it
-            obj.remove("default");
-            if is_null {
-                obj.insert("nullable".to_string(), Value::Bool(true));
-            }
-        }
-
        // If a type is not specified for an input parameter, add a default type
        if matches!(obj.get("description"), Some(Value::String(_)))
            && !obj.contains_key("type")
@@ -92,26 +84,6 @@ mod tests {
    use super::*;
    use serde_json::json;

-    #[test]
-    fn test_transform_default_null_to_nullable() {
-        let mut json = json!({
-            "description": "A test field",
-            "type": "string",
-            "default": null
-        });
-
-        adapt_to_json_schema_subset(&mut json).unwrap();
-
-        assert_eq!(
-            json,
-            json!({
-                "description": "A test field",
-                "type": "string",
-                "nullable": true
-            })
-        );
-    }
-
    #[test]
    fn test_transform_adds_type_when_missing() {
        let mut json = json!({
@@ -157,7 +129,8 @@ mod tests {
            "format": "uint32",
            "exclusiveMinimum": 0,
            "exclusiveMaximum": 100,
-            "additionalProperties": false
+            "additionalProperties": false,
+            "optional": true
        });

        adapt_to_json_schema_subset(&mut json).unwrap();
--- a/crates/assistant_tools/Cargo.toml
+++ b/crates/assistant_tools/Cargo.toml
@@ -11,32 +11,53 @@ workspace = true
 [lib]
 path = "src/assistant_tools.rs"

+[features]
+eval = []
+
 [dependencies]
+aho-corasick.workspace = true
 anyhow.workspace = true
 assistant_tool.workspace = true
+assistant_settings.workspace = true
 buffer_diff.workspace = true
 chrono.workspace = true
 collections.workspace = true
 component.workspace = true
 editor.workspace = true
+derive_more.workspace = true
+feature_flags.workspace = true
 futures.workspace = true
 gpui.workspace = true
+handlebars = { workspace = true, features = ["rust-embed"] }
 html_to_markdown.workspace = true
 http_client.workspace = true
 indoc.workspace = true
 itertools.workspace = true
 language.workspace = true
 language_model.workspace = true
+log.workspace = true
 linkme.workspace = true
 open.workspace = true
+paths.workspace = true
+portable-pty.workspace = true
 project.workspace = true
 regex.workspace = true
+rust-embed.workspace = true
 schemars.workspace = true
 serde.workspace = true
 serde_json.workspace = true
+settings.workspace = true
+smallvec.workspace = true
+streaming_diff.workspace = true
+strsim.workspace = true
+task.workspace = true
+terminal.workspace = true
+terminal_view.workspace = true
+theme.workspace = true
 ui.workspace = true
 util.workspace = true
 web_search.workspace = true
+which.workspace = true
 workspace-hack.workspace = true
 workspace.workspace = true
 zed_llm_client.workspace = true
@@ -46,11 +67,20 @@ client = { workspace = true, features = ["test-support"] }
 clock = { workspace = true, features = ["test-support"] }
 collections = { workspace = true, features = ["test-support"] }
 gpui = { workspace = true, features = ["test-support"] }
+gpui_tokio.workspace = true
+fs = { workspace = true, features = ["test-support"] }
 language = { workspace = true, features = ["test-support"] }
+language_model = { workspace = true, features = ["test-support"] }
+language_models.workspace = true
 project = { workspace = true, features = ["test-support"] }
 rand.workspace = true
 pretty_assertions.workspace = true
+reqwest_client.workspace = true
 settings = { workspace = true, features = ["test-support"] }
+task = { workspace = true, features = ["test-support"]}
+tempfile.workspace = true
+theme.workspace = true
 tree-sitter-rust.workspace = true
 workspace = { workspace = true, features = ["test-support"] }
 unindent.workspace = true
+zlog.workspace = true
--- a/Show More
+++ b/Show More
				`@@ -0,0 +1 @@`
				`<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-hammer-icon lucide-hammer"><path d="m15 12-8.373 8.373a1 1 0 1 1-3-3L12 9"/><path d="m18 15 4-4"/><path d="m21.5 11.5-1.914-1.914A2 2 0 0 1 19 8.172V7l-2.26-2.26a6 6 0 0 0-4.202-1.756L9 2.96l.92.82A6.18 6.18 0 0 1 12 8.4V10l2 2h1.172a2 2 0 0 1 1.414.586L18.5 14.5"/></svg>`