Give Tools control over how they render input/output

Initial pass at Lua syntax highlighting
Co-Authored-By: Danilo <danilo@zed.dev>
2025-03-05 23:32:51 -05:00 · 2025-03-05 20:35:51 -05:00 · 2025-03-05 17:30:07 -07:00 · 2025-03-05 10:30:20 -05:00 · 2025-03-05 16:49:39 +05:30 · 2025-03-05 13:08:54 +08:00
351 changed files with 14787 additions and 5428 deletions
--- a/.github/ISSUE_TEMPLATE/0_git_beta_bug_report.yml
+++ b/.github/ISSUE_TEMPLATE/0_git_beta_bug_report.yml
@@ -0,0 +1,51 @@
+name: Git Beta
+description: There is a bug related to new Git features in Zed
+type: "Bug"
+labels: [git]
+title: "Git Beta: <a short description of the Git bug>"
+body:
+  - type: textarea
+    attributes:
+      label: Summary
+      description: Describe the bug with a one line summary, and provide detailed reproduction steps
+      value: |
+        <!-- Please insert a one line summary of the issue below -->
+
+        <!-- Include all steps necessary to reproduce from a clean Zed installation. Be verbose -->
+        Steps to trigger the problem:
+        1.
+        2.
+        3.
+
+        Actual Behavior:
+
+        Expected Behavior:
+
+    validations:
+      required: true
+  - type: textarea
+    id: environment
+    attributes:
+      label: Zed Version and System Specs
+      description: 'Open Zed, and in the command palette select "zed: Copy System Specs Into Clipboard"'
+      placeholder: |
+        Output of "zed: Copy System Specs Into Clipboard"
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: If applicable, attach your `~/Library/Logs/Zed/Zed.log` file to this issue.
+      description: |
+        macOS: `~/Library/Logs/Zed/Zed.log`
+        Linux: `~/.local/share/zed/logs/Zed.log` or $XDG_DATA_HOME
+        If you only need the most recent lines, you can run the `zed: open log` command palette action to see the last 1000.
+      value: |
+        <details><summary>Zed.log</summary>
+
+        <!-- Click below this line and paste or drag-and-drop your log-->
+        ```
+
+        ```
+        <!-- Click above this line and paste or drag-and-drop your log--></details>
+    validations:
+      required: false
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -110,13 +110,13 @@ jobs:
        run: ./script/clippy

      - name: Install cargo-machete
-        uses: clechasseur/rs-cargo@v2
+        uses: clechasseur/rs-cargo@8435b10f6e71c2e3d4d3b7573003a8ce4bfc6386 # v2
        with:
          command: install
          args: cargo-machete@0.7.0

      - name: Check unused dependencies
-        uses: clechasseur/rs-cargo@v2
+        uses: clechasseur/rs-cargo@8435b10f6e71c2e3d4d3b7573003a8ce4bfc6386 # v2
        with:
          command: machete

@@ -240,7 +240,7 @@ jobs:
    timeout-minutes: 60
    name: (Windows) Run Clippy and tests
    if: github.repository_owner == 'zed-industries'
-    runs-on: hosted-windows-1
+    runs-on: hosted-windows-2
    steps:
      # more info here:- https://github.com/rust-lang/cargo/issues/13020
      - name: Enable longer pathnames for git
@@ -273,8 +273,7 @@ jobs:

      - name: cargo clippy
        working-directory: ${{ env.ZED_WORKSPACE }}
-        # Windows can't run shell scripts, so we need to use `cargo xtask`.
-        run: cargo xtask clippy
+        run: ./script/clippy.ps1

      - name: Run tests
        uses: ./.github/actions/run_tests_windows
@@ -359,14 +358,14 @@ jobs:
          mv target/x86_64-apple-darwin/release/Zed.dmg target/x86_64-apple-darwin/release/Zed-x86_64.dmg

      - name: Upload app bundle (aarch64) to workflow run if main branch or specific label
-        uses: actions/upload-artifact@65c4c4a1ddee5b72f698fdd19549f0f0fb45cf08 # v4
+        uses: actions/upload-artifact@4cec3d8aa04e39d1a68397de0c4cd6fb9dce8ec1 # v4
        if: ${{ github.ref == 'refs/heads/main' }} || contains(github.event.pull_request.labels.*.name, 'run-bundling') }}
        with:
          name: Zed_${{ github.event.pull_request.head.sha || github.sha }}-aarch64.dmg
          path: target/aarch64-apple-darwin/release/Zed-aarch64.dmg

      - name: Upload app bundle (x86_64) to workflow run if main branch or specific label
-        uses: actions/upload-artifact@65c4c4a1ddee5b72f698fdd19549f0f0fb45cf08 # v4
+        uses: actions/upload-artifact@4cec3d8aa04e39d1a68397de0c4cd6fb9dce8ec1 # v4
        if: ${{ github.ref == 'refs/heads/main' }} || contains(github.event.pull_request.labels.*.name, 'run-bundling') }}
        with:
          name: Zed_${{ github.event.pull_request.head.sha || github.sha }}-x86_64.dmg
@@ -417,7 +416,7 @@ jobs:
        run: script/bundle-linux

      - name: Upload Linux bundle to workflow run if main branch or specific label
-        uses: actions/upload-artifact@65c4c4a1ddee5b72f698fdd19549f0f0fb45cf08 # v4
+        uses: actions/upload-artifact@4cec3d8aa04e39d1a68397de0c4cd6fb9dce8ec1 # v4
        if: ${{ github.ref == 'refs/heads/main' }} || contains(github.event.pull_request.labels.*.name, 'run-bundling') }}
        with:
          name: zed-${{ github.event.pull_request.head.sha || github.sha }}-x86_64-unknown-linux-gnu.tar.gz
@@ -465,7 +464,7 @@ jobs:
        run: script/bundle-linux

      - name: Upload Linux bundle to workflow run if main branch or specific label
-        uses: actions/upload-artifact@65c4c4a1ddee5b72f698fdd19549f0f0fb45cf08 # v4
+        uses: actions/upload-artifact@4cec3d8aa04e39d1a68397de0c4cd6fb9dce8ec1 # v4
        if: ${{ github.ref == 'refs/heads/main' }} || contains(github.event.pull_request.labels.*.name, 'run-bundling') }}
        with:
          name: zed-${{ github.event.pull_request.head.sha || github.sha }}-aarch64-unknown-linux-gnu.tar.gz
--- a/.github/workflows/deploy_cloudflare.yml
+++ b/.github/workflows/deploy_cloudflare.yml
@@ -65,7 +65,7 @@ jobs:
          command: deploy .cloudflare/docs-proxy/src/worker.js

      - name: Preserve Wrangler logs
-        uses: actions/upload-artifact@65c4c4a1ddee5b72f698fdd19549f0f0fb45cf08 # v4
+        uses: actions/upload-artifact@4cec3d8aa04e39d1a68397de0c4cd6fb9dce8ec1 # v4
        if: always()
        with:
          name: wrangler_logs
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -405,6 +405,7 @@ dependencies = [
 "pretty_assertions",
 "project",
 "prompt_library",
+ "prompt_store",
 "proto",
 "rand 0.8.5",
 "rope",
@@ -472,6 +473,7 @@ dependencies = [
 "picker",
 "project",
 "prompt_library",
+ "prompt_store",
 "proto",
 "rand 0.8.5",
 "rope",
@@ -490,6 +492,7 @@ dependencies = [
 "ui",
 "util",
 "uuid",
+ "vim_mode_setting",
 "workspace",
 "zed_actions",
 ]
@@ -525,7 +528,7 @@ dependencies = [
 "picker",
 "pretty_assertions",
 "project",
- "prompt_library",
+ "prompt_store",
 "rand 0.8.5",
 "regex",
 "rope",
@@ -616,7 +619,7 @@ dependencies = [
 "log",
 "pretty_assertions",
 "project",
- "prompt_library",
+ "prompt_store",
 "rope",
 "schemars",
 "semantic_index",
@@ -641,9 +644,11 @@ dependencies = [
 "collections",
 "derive_more",
 "gpui",
+ "language",
 "parking_lot",
 "serde",
 "serde_json",
+ "ui",
 "workspace",
 ]

@@ -2075,6 +2080,7 @@ name = "buffer_diff"
 version = "0.1.0"
 dependencies = [
 "anyhow",
+ "clock",
 "ctor",
 "env_logger 0.11.6",
 "futures 0.3.31",
@@ -2586,9 +2592,9 @@ dependencies = [

 [[package]]
 name = "clap"
-version = "4.5.30"
+version = "4.5.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "92b7b18d71fad5313a1e320fa9897994228ce274b60faa4d694fe0ea89cd9e6d"
+checksum = "027bb0d98429ae334a8698531da7077bdf906419543a35a55c2cb1b66437d767"
 dependencies = [
 "clap_builder",
 "clap_derive",
@@ -2596,9 +2602,9 @@ dependencies = [

 [[package]]
 name = "clap_builder"
-version = "4.5.30"
+version = "4.5.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a35db2071778a7344791a4fb4f95308b5673d219dee3ae348b86642574ecc90c"
+checksum = "5589e0cba072e0f3d23791efac0fd8627b49c829c196a492e88168e6a669d863"
 dependencies = [
 "anstream",
 "anstyle",
@@ -2653,6 +2659,7 @@ dependencies = [
 "serde",
 "tempfile",
 "util",
+ "windows 0.58.0",
 ]

 [[package]]
@@ -2833,6 +2840,7 @@ dependencies = [
 "futures 0.3.31",
 "git",
 "git_hosting_providers",
+ "git_ui",
 "google_ai",
 "gpui",
 "hex",
@@ -2857,7 +2865,7 @@ dependencies = [
 "pretty_assertions",
 "project",
 "prometheus",
- "prompt_library",
+ "prompt_store",
 "prost 0.9.0",
 "rand 0.8.5",
 "recent_projects",
@@ -3019,7 +3027,6 @@ dependencies = [
 "collections",
 "gpui",
 "linkme",
- "once_cell",
 "parking_lot",
 "theme",
 ]
@@ -3100,6 +3107,7 @@ version = "0.1.0"
 dependencies = [
 "anyhow",
 "assistant_tool",
+ "async-trait",
 "collections",
 "command_palette_hooks",
 "context_server_settings",
@@ -3140,9 +3148,9 @@ checksum = "6245d59a3e82a7fc217c5828a6692dbc6dfb63a0c8c90495621f7b9d79704a0e"

 [[package]]
 name = "convert_case"
-version = "0.7.1"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb402b8d4c85569410425650ce3eddc7d698ed96d39a73f941b08fb63082f1e7"
+checksum = "baaaa0ecca5b51987b9423ccdc971514dd8b0bb7b4060b983d3664dad3f1f89f"
 dependencies = [
 "unicode-segmentation",
 ]
@@ -3662,18 +3670,19 @@ dependencies = [

 [[package]]
 name = "ctor"
-version = "0.3.6"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "21d960ecacd0a1bf55e73144b72de745e7bf275c7952c50e36e8af0a0cb7ab1f"
+checksum = "a7747ac3a66a06f4ee6718686c8ea976d2d05fb30ada93ebd76b3f9aef97257c"
 dependencies = [
 "ctor-proc-macro",
+ "dtor",
 ]

 [[package]]
 name = "ctor-proc-macro"
-version = "0.0.4"
+version = "0.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c426d2ba3e525b39c1f0a9ba41b9fe61878dee11fa4e4a76b6ab440f46c5db5d"
+checksum = "4f211af61d8efdd104f96e57adf5e426ba1bc3ed7a4ead616e15e5881fd79c4d"

 [[package]]
 name = "ctrlc"
@@ -4049,6 +4058,21 @@ dependencies = [
 "phf",
 ]

+[[package]]
+name = "dtor"
+version = "0.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8bf39a0bfd1f94d62ffdb2802a7e6244c0f34f6ebacf5d4c26547d08cd1d67a5"
+dependencies = [
+ "dtor-proc-macro",
+]
+
+[[package]]
+name = "dtor-proc-macro"
+version = "0.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7454e41ff9012c00d53cf7f475c5e3afa3b91b7c90568495495e8d9bf47a1055"
+
 [[package]]
 name = "dunce"
 version = "1.0.5"
@@ -4103,7 +4127,7 @@ dependencies = [
 "client",
 "clock",
 "collections",
- "convert_case 0.7.1",
+ "convert_case 0.8.0",
 "ctor",
 "db",
 "emojis",
@@ -4288,6 +4312,12 @@ dependencies = [
 "regex",
 ]

+[[package]]
+name = "env_home"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c7f84e12ccf0a7ddc17a6c41c93326024c42920d7ee630d04950e6926645c0fe"
+
 [[package]]
 name = "env_logger"
 version = "0.10.2"
@@ -5351,6 +5381,7 @@ dependencies = [
 "serde_json",
 "smol",
 "sum_tree",
+ "tempfile",
 "text",
 "time",
 "unindent",
@@ -5396,8 +5427,11 @@ dependencies = [
 "anyhow",
 "buffer_diff",
 "collections",
+ "component",
+ "ctor",
 "db",
 "editor",
+ "env_logger 0.11.6",
 "feature_flags",
 "futures 0.3.31",
 "fuzzy",
@@ -5405,6 +5439,9 @@ dependencies = [
 "gpui",
 "itertools 0.14.0",
 "language",
+ "linkify",
+ "linkme",
+ "log",
 "menu",
 "multi_buffer",
 "panel",
@@ -5416,10 +5453,12 @@ dependencies = [
 "serde_derive",
 "serde_json",
 "settings",
+ "smallvec",
 "strum",
 "theme",
 "time",
 "ui",
+ "unindent",
 "util",
 "windows 0.58.0",
 "workspace",
@@ -7573,9 +7612,9 @@ dependencies = [

 [[package]]
 name = "log"
-version = "0.4.25"
+version = "0.4.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "04cbf5b083de1c7e0222a7a51dbfdba1cbe1c6ab0b15e29fff3f6c077fd9cd9f"
+checksum = "30bde2b3dc3671ae49d8e2e9f044c7c005836e7a023ee57cffa25ab82764bb9e"
 dependencies = [
 "serde",
 "value-bag",
@@ -7634,6 +7673,25 @@ dependencies = [
 "url",
 ]

+[[package]]
+name = "lua-src"
+version = "547.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1edaf29e3517b49b8b746701e5648ccb5785cde1c119062cbabbc5d5cd115e42"
+dependencies = [
+ "cc",
+]
+
+[[package]]
+name = "luajit-src"
+version = "210.5.12+a4f56a4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b3a8e7962a5368d5f264d045a5a255e90f9aa3fc1941ae15a8d2940d42cac671"
+dependencies = [
+ "cc",
+ "which 7.0.2",
+]
+
 [[package]]
 name = "lyon"
 version = "1.0.1"
@@ -7946,7 +8004,7 @@ version = "0.1.0"
 dependencies = [
 "anyhow",
 "collections",
- "convert_case 0.7.1",
+ "convert_case 0.8.0",
 "log",
 "pretty_assertions",
 "streaming-iterator",
@@ -8047,6 +8105,33 @@ dependencies = [
 "strum",
 ]

+[[package]]
+name = "mlua"
+version = "0.10.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3f763c1041eff92ffb5d7169968a327e1ed2ebfe425dac0ee5a35f29082534b"
+dependencies = [
+ "bstr",
+ "either",
+ "mlua-sys",
+ "num-traits",
+ "parking_lot",
+ "rustc-hash 2.1.1",
+]
+
+[[package]]
+name = "mlua-sys"
+version = "0.6.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1901c1a635a22fe9250ffcc4fcc937c16b47c2e9e71adba8784af8bca1f69594"
+dependencies = [
+ "cc",
+ "cfg-if",
+ "lua-src",
+ "luajit-src",
+ "pkg-config",
+]
+
 [[package]]
 name = "msvc_spectre_libs"
 version = "0.1.2"
@@ -10300,12 +10385,36 @@ dependencies = [
 [[package]]
 name = "prompt_library"
 version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "collections",
+ "editor",
+ "gpui",
+ "language",
+ "language_model",
+ "log",
+ "menu",
+ "picker",
+ "prompt_store",
+ "release_channel",
+ "rope",
+ "serde",
+ "settings",
+ "theme",
+ "ui",
+ "util",
+ "workspace",
+ "zed_actions",
+]
+
+[[package]]
+name = "prompt_store"
+version = "0.1.0"
 dependencies = [
 "anyhow",
 "assets",
 "chrono",
 "collections",
- "editor",
 "fs",
 "futures 0.3.31",
 "fuzzy",
@@ -10313,23 +10422,14 @@ dependencies = [
 "handlebars 4.5.0",
 "heed",
 "language",
- "language_model",
 "log",
- "menu",
 "parking_lot",
 "paths",
- "picker",
- "release_channel",
 "rope",
 "serde",
- "settings",
 "text",
- "theme",
- "ui",
 "util",
 "uuid",
- "workspace",
- "zed_actions",
 ]

 [[package]]
@@ -11783,6 +11883,28 @@ version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a3cf7c11c38cb994f3d40e8a8cde3bbd1f72a435e4c49e85d6553d8312306152"

+[[package]]
+name = "scripting_tool"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "assistant_tool",
+ "collections",
+ "gpui",
+ "language",
+ "mlua",
+ "parking_lot",
+ "regex",
+ "rich_text",
+ "schemars",
+ "serde",
+ "serde_json",
+ "settings",
+ "theme",
+ "ui",
+ "workspace",
+]
+
 [[package]]
 name = "scrypt"
 version = "0.11.0"
@@ -12043,18 +12165,18 @@ dependencies = [

 [[package]]
 name = "serde"
-version = "1.0.217"
+version = "1.0.218"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "02fc4265df13d6fa1d00ecff087228cc0a2b5f3c0e87e258d8b94a156e984c70"
+checksum = "e8dfc9d19bdbf6d17e22319da49161d5d0108e4188e8b680aef6299eed22df60"
 dependencies = [
 "serde_derive",
 ]

 [[package]]
 name = "serde_derive"
-version = "1.0.217"
+version = "1.0.218"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a9bf7cf98d04a2b28aead066b7496853d4779c9cc183c440dbac457641e19a0"
+checksum = "f09503e191f4e797cb8aac08e9a4a4695c5edf6a2e70e376d961ddd5c969f82b"
 dependencies = [
 "proc-macro2",
 "quote",
@@ -14567,7 +14689,7 @@ dependencies = [
 name = "ui_macros"
 version = "0.1.0"
 dependencies = [
- "convert_case 0.7.1",
+ "convert_case 0.8.0",
 "linkme",
 "proc-macro2",
 "quote",
@@ -14874,6 +14996,8 @@ dependencies = [
 "multi_buffer",
 "nvim-rs",
 "parking_lot",
+ "picker",
+ "project",
 "project_panel",
 "regex",
 "release_channel",
@@ -15676,6 +15800,18 @@ dependencies = [
 "winsafe",
 ]

+[[package]]
+name = "which"
+version = "7.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2774c861e1f072b3aadc02f8ba886c26ad6321567ecc294c935434cad06f1283"
+dependencies = [
+ "either",
+ "env_home",
+ "rustix",
+ "winsafe",
+]
+
 [[package]]
 name = "whoami"
 version = "1.5.2"
@@ -16730,7 +16866,7 @@ dependencies = [

 [[package]]
 name = "zed"
-version = "0.176.0"
+version = "0.178.0"
 dependencies = [
 "activity_indicator",
 "anyhow",
@@ -16808,7 +16944,7 @@ dependencies = [
 "project",
 "project_panel",
 "project_symbols",
- "prompt_library",
+ "prompt_store",
 "proto",
 "recent_projects",
 "release_channel",
@@ -16816,6 +16952,7 @@ dependencies = [
 "repl",
 "reqwest_client",
 "rope",
+ "scripting_tool",
 "search",
 "serde",
 "serde_json",
@@ -16948,7 +17085,7 @@ dependencies = [

 [[package]]
 name = "zed_html"
-version = "0.1.5"
+version = "0.1.6"
 dependencies = [
 "zed_extension_api 0.1.0",
 ]
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -103,6 +103,7 @@ members = [
    "crates/project_panel",
    "crates/project_symbols",
    "crates/prompt_library",
+    "crates/prompt_store",
    "crates/proto",
    "crates/recent_projects",
    "crates/refineable",
@@ -116,6 +117,7 @@ members = [
    "crates/rope",
    "crates/rpc",
    "crates/schema_generator",
+    "crates/scripting_tool",
    "crates/search",
    "crates/semantic_index",
    "crates/semantic_version",
@@ -308,6 +310,7 @@ project = { path = "crates/project" }
 project_panel = { path = "crates/project_panel" }
 project_symbols = { path = "crates/project_symbols" }
 prompt_library = { path = "crates/prompt_library" }
+prompt_store = { path = "crates/prompt_store" }
 proto = { path = "crates/proto" }
 recent_projects = { path = "crates/recent_projects" }
 refineable = { path = "crates/refineable" }
@@ -319,6 +322,7 @@ reqwest_client = { path = "crates/reqwest_client" }
 rich_text = { path = "crates/rich_text" }
 rope = { path = "crates/rope" }
 rpc = { path = "crates/rpc" }
+scripting_tool = { path = "crates/scripting_tool" }
 search = { path = "crates/search" }
 semantic_index = { path = "crates/semantic_index" }
 semantic_version = { path = "crates/semantic_version" }
@@ -370,7 +374,7 @@ zeta = { path = "crates/zeta" }
 #

 aho-corasick = "1.1"
-alacritty_terminal = { git = "https://github.com/zed-industries/alacritty.git", rev = "03c2907b44b4189aac5fdeaea331f5aab5c7072e"}
+alacritty_terminal = { git = "https://github.com/zed-industries/alacritty.git", rev = "03c2907b44b4189aac5fdeaea331f5aab5c7072e" }
 any_vec = "0.14"
 anyhow = "1.0.86"
 arrayvec = { version = "0.7.4", features = ["serde"] }
@@ -405,10 +409,10 @@ chrono = { version = "0.4", features = ["serde"] }
 clap = { version = "4.4", features = ["derive"] }
 cocoa = "0.26"
 cocoa-foundation = "0.2.0"
-convert_case = "0.7.0"
+convert_case = "0.8.0"
 core-foundation = "0.9.3"
 core-foundation-sys = "0.8.6"
-ctor = "0.3.0"
+ctor = "0.4.0"
 dashmap = "6.0"
 derive_more = "0.99.17"
 dirs = "4.0"
@@ -451,11 +455,11 @@ livekit = { git = "https://github.com/zed-industries/livekit-rust-sdks", rev = "
 ], default-features = false }
 log = { version = "0.4.16", features = ["kv_unstable_serde", "serde"] }
 markup5ever_rcdom = "0.3.0"
+mlua = { version = "0.10", features = ["lua54", "vendored"] }
 nanoid = "0.4"
 nbformat = { version = "0.10.0" }
 nix = "0.29"
 num-format = "0.4.4"
-once_cell = "1.20"
 ordered-float = "2.1.1"
 palette = { version = "0.7.5", default-features = false, features = ["std"] }
 parking_lot = "0.12.1"
@@ -544,7 +548,7 @@ tree-sitter-cpp = "0.23"
 tree-sitter-css = "0.23"
 tree-sitter-elixir = "0.3"
 tree-sitter-embedded-template = "0.23.0"
-tree-sitter-gitcommit = {git  = "https://github.com/zed-industries/tree-sitter-git-commit", rev = "88309716a69dd13ab83443721ba6e0b491d37ee9"}
+tree-sitter-gitcommit = { git = "https://github.com/zed-industries/tree-sitter-git-commit", rev = "88309716a69dd13ab83443721ba6e0b491d37ee9" }
 tree-sitter-go = "0.23"
 tree-sitter-go-mod = { git = "https://github.com/camdencheek/tree-sitter-go-mod", rev = "6efb59652d30e0e9cd5f3b3a669afd6f1a926d3c", package = "tree-sitter-gomod" }
 tree-sitter-gowork = { git = "https://github.com/zed-industries/tree-sitter-go-work", rev = "acb0617bf7f4fda02c6217676cc64acb89536dc7" }
@@ -619,6 +623,7 @@ features = [
    "Win32_Storage_FileSystem",
    "Win32_System_Com",
    "Win32_System_Com_StructuredStorage",
+    "Win32_System_Console",
    "Win32_System_DataExchange",
    "Win32_System_LibraryLoader",
    "Win32_System_Memory",
@@ -639,7 +644,7 @@ features = [
 # TODO livekit https://github.com/RustAudio/cpal/pull/891
 [patch.crates-io]
 cpal = { git = "https://github.com/zed-industries/cpal", rev = "fd8bc2fd39f1f5fdee5a0690656caff9a26d9d50" }
-real-async-tls = { git = "https://github.com/zed-industries/async-tls", rev = "1e759a4b5e370f87dc15e40756ac4f8815b61d9d", package = "async-tls"}
+real-async-tls = { git = "https://github.com/zed-industries/async-tls", rev = "1e759a4b5e370f87dc15e40756ac4f8815b61d9d", package = "async-tls" }

 [profile.dev]
 split-debuginfo = "unpacked"
@@ -709,6 +714,9 @@ debug = "full"
 lto = false
 codegen-units = 16

+[workspace.lints.rust]
+unexpected_cfgs = { level = "allow" }
+
 [workspace.lints.clippy]
 dbg_macro = "deny"
 todo = "deny"
@@ -746,4 +754,4 @@ should_implement_trait = { level = "allow" }
 let_underscore_future = "allow"

 [workspace.metadata.cargo-machete]
-ignored = ["bindgen", "cbindgen", "prost_build", "serde"]
+ignored = ["bindgen", "cbindgen", "prost_build", "serde", "component", "linkme"]
--- a/assets/icons/cloud.svg
+++ b/assets/icons/cloud.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-cloud"><path d="M17.5 19H9a7 7 0 1 1 6.71-9h1.79a4.5 4.5 0 1 1 0 9Z"/></svg>
--- a/assets/icons/git_branch_small.svg
+++ b/assets/icons/git_branch_small.svg
@@ -0,0 +1,6 @@
+<svg width="12" height="12" viewBox="0 0 12 12" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path fill-rule="evenodd" clip-rule="evenodd" d="M3.75 3.25C4.02614 3.25 4.25 3.02614 4.25 2.75C4.25 2.47386 4.02614 2.25 3.75 2.25C3.47386 2.25 3.25 2.47386 3.25 2.75C3.25 3.02614 3.47386 3.25 3.75 3.25ZM3.75 4.25C4.57843 4.25 5.25 3.57843 5.25 2.75C5.25 1.92157 4.57843 1.25 3.75 1.25C2.92157 1.25 2.25 1.92157 2.25 2.75C2.25 3.57843 2.92157 4.25 3.75 4.25Z" fill="black"/>
+<path fill-rule="evenodd" clip-rule="evenodd" d="M8.25 3.25C8.52614 3.25 8.75 3.02614 8.75 2.75C8.75 2.47386 8.52614 2.25 8.25 2.25C7.97386 2.25 7.75 2.47386 7.75 2.75C7.75 3.02614 7.97386 3.25 8.25 3.25ZM8.25 4.25C9.07843 4.25 9.75 3.57843 9.75 2.75C9.75 1.92157 9.07843 1.25 8.25 1.25C7.42157 1.25 6.75 1.92157 6.75 2.75C6.75 3.57843 7.42157 4.25 8.25 4.25Z" fill="black"/>
+<path fill-rule="evenodd" clip-rule="evenodd" d="M3.75 9.75C4.02614 9.75 4.25 9.52614 4.25 9.25C4.25 8.97386 4.02614 8.75 3.75 8.75C3.47386 8.75 3.25 8.97386 3.25 9.25C3.25 9.52614 3.47386 9.75 3.75 9.75ZM3.75 10.75C4.57843 10.75 5.25 10.0784 5.25 9.25C5.25 8.42157 4.57843 7.75 3.75 7.75C2.92157 7.75 2.25 8.42157 2.25 9.25C2.25 10.0784 2.92157 10.75 3.75 10.75Z" fill="black"/>
+<path fill-rule="evenodd" clip-rule="evenodd" d="M3.25 3.75H4.25V5.59609C4.67823 5.35824 5.24991 5.25 6 5.25H7.25017C7.5262 5.25 7.75 5.02625 7.75 4.75V3.75H8.75V4.75C8.75 5.57832 8.07871 6.25 7.25017 6.25H6C5.14559 6.25 4.77639 6.41132 4.59684 6.56615C4.42571 6.71373 4.33877 6.92604 4.25 7.30651V8.25H3.25V3.75Z" fill="black"/>
+</svg>
--- a/assets/icons/info.svg
+++ b/assets/icons/info.svg
@@ -1,12 +1,5 @@
-<svg width="14" height="14" viewBox="0 0 14 14" fill="none" xmlns="http://www.w3.org/2000/svg">
-<g clip-path="url(#clip0_2131_1193)">
-<circle cx="7" cy="7" r="6" stroke="black" stroke-width="1.5"/>
-<path d="M6 10H7M8 10H7M7 10V7.1C7 7.04477 6.95523 7 6.9 7H6" stroke="black" stroke-width="1.5" stroke-linecap="round"/>
-<circle cx="7" cy="4.5" r="1" fill="black"/>
-</g>
-<defs>
-<clipPath id="clip0_2131_1193">
-<rect width="14" height="14" fill="white"/>
-</clipPath>
-</defs>
+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M8 14C11.3137 14 14 11.3137 14 8C14 4.68629 11.3137 2 8 2C4.68629 2 2 4.68629 2 8C2 11.3137 4.68629 14 8 14Z" stroke="black" stroke-width="1.5"/>
+<path d="M7 11H8M8 11H9M8 11V8.1C8 8.04477 7.95523 8 7.9 8H7" stroke="black" stroke-width="1.5" stroke-linecap="round"/>
+<path d="M8 6.5C8.55228 6.5 9 6.05228 9 5.5C9 4.94772 8.55228 4.5 8 4.5C7.44772 4.5 7 4.94772 7 5.5C7 6.05228 7.44772 6.5 8 6.5Z" fill="black"/>
 </svg>
--- a/assets/icons/zed_predict_error.svg
+++ b/assets/icons/zed_predict_error.svg
@@ -0,0 +1,4 @@
+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path opacity="0.6" d="M7.5 8.9V11C5.43097 11 4.56903 11 2.5 11V10.4L7.5 5.6V5H2.5V7.1" stroke="black" stroke-width="1.5"/>
+<path d="M14 8L10 12M14 12L10 8" stroke="black" stroke-width="1.5"/>
+</svg>
--- a/assets/keymaps/default-linux.json
+++ b/assets/keymaps/default-linux.json
@@ -10,8 +10,8 @@
      "pagedown": "menu::SelectLast",
      "ctrl-n": "menu::SelectNext",
      "tab": "menu::SelectNext",
-      "ctrl-p": "menu::SelectPrev",
-      "shift-tab": "menu::SelectPrev",
+      "ctrl-p": "menu::SelectPrevious",
+      "shift-tab": "menu::SelectPrevious",
      "enter": "menu::Confirm",
      "ctrl-enter": "menu::SecondaryConfirm",
      "ctrl-escape": "menu::Cancel",
@@ -38,14 +38,14 @@
  {
    "context": "Picker || menu",
    "bindings": {
-      "up": "menu::SelectPrev",
+      "up": "menu::SelectPrevious",
      "down": "menu::SelectNext"
    }
  },
  {
    "context": "Prompt",
    "bindings": {
-      "left": "menu::SelectPrev",
+      "left": "menu::SelectPrevious",
      "right": "menu::SelectNext"
    }
  },
@@ -57,7 +57,7 @@
      "backspace": "editor::Backspace",
      "delete": "editor::Delete",
      "tab": "editor::Tab",
-      "shift-tab": "editor::TabPrev",
+      "shift-tab": "editor::Backtab",
      "ctrl-k": "editor::CutToEndOfLine",
      // "ctrl-t": "editor::Transpose",
      "ctrl-k ctrl-q": "editor::Rewrap",
@@ -180,7 +180,7 @@
      "ctrl-k c": "assistant::CopyCode",
      "ctrl-shift-e": "project_panel::ToggleFocus",
      "ctrl-g": "search::SelectNextMatch",
-      "ctrl-shift-g": "search::SelectPrevMatch",
+      "ctrl-shift-g": "search::SelectPreviousMatch",
      "ctrl-alt-/": "assistant::ToggleModelSelector",
      "ctrl-k h": "assistant::DeployHistory",
      "ctrl-k l": "assistant::DeployPromptLibrary",
@@ -203,7 +203,7 @@
      "escape": "buffer_search::Dismiss",
      "tab": "buffer_search::FocusEditor",
      "enter": "search::SelectNextMatch",
-      "shift-enter": "search::SelectPrevMatch",
+      "shift-enter": "search::SelectPreviousMatch",
      "alt-enter": "search::SelectAllMatches",
      "find": "search::FocusSearch",
      "ctrl-f": "search::FocusSearch",
@@ -272,7 +272,7 @@
      "alt-8": ["pane::ActivateItem", 7],
      "alt-9": ["pane::ActivateItem", 8],
      "alt-0": "pane::ActivateLastItem",
-      "ctrl-pageup": "pane::ActivatePrevItem",
+      "ctrl-pageup": "pane::ActivatePreviousItem",
      "ctrl-pagedown": "pane::ActivateNextItem",
      "ctrl-shift-pageup": "pane::SwapItemLeft",
      "ctrl-shift-pagedown": "pane::SwapItemRight",
@@ -290,8 +290,8 @@
      "forward": "pane::GoForward",
      "ctrl-alt-g": "search::SelectNextMatch",
      "f3": "search::SelectNextMatch",
-      "ctrl-alt-shift-g": "search::SelectPrevMatch",
-      "shift-f3": "search::SelectPrevMatch",
+      "ctrl-alt-shift-g": "search::SelectPreviousMatch",
+      "shift-f3": "search::SelectPreviousMatch",
      "shift-find": "project_search::ToggleFocus",
      "ctrl-shift-f": "project_search::ToggleFocus",
      "ctrl-alt-shift-h": "search::ToggleReplace",
@@ -334,7 +334,7 @@
      "ctrl-u": "editor::UndoSelection",
      "ctrl-shift-u": "editor::RedoSelection",
      "f8": "editor::GoToDiagnostic",
-      "shift-f8": "editor::GoToPrevDiagnostic",
+      "shift-f8": "editor::GoToPreviousDiagnostic",
      "f2": "editor::Rename",
      "f12": "editor::GoToDefinition",
      "alt-f12": "editor::GoToDefinitionSplit",
@@ -373,7 +373,7 @@
      "alt-y": "git::StageAndNext",
      "alt-shift-y": "git::UnstageAndNext",
      "alt-.": "editor::GoToHunk",
-      "alt-,": "editor::GoToPrevHunk"
+      "alt-,": "editor::GoToPreviousHunk"
    }
  },
  {
@@ -536,8 +536,8 @@
  {
    "context": "Editor && (showing_code_actions || showing_completions)",
    "bindings": {
-      "ctrl-p": "editor::ContextMenuPrev",
-      "up": "editor::ContextMenuPrev",
+      "ctrl-p": "editor::ContextMenuPrevious",
+      "up": "editor::ContextMenuPrevious",
      "ctrl-n": "editor::ContextMenuNext",
      "down": "editor::ContextMenuNext",
      "pageup": "editor::ContextMenuFirst",
@@ -565,7 +565,7 @@
      "ctrl-alt-enter": "editor::OpenExcerptsSplit",
      "ctrl-shift-e": "pane::RevealInProjectPanel",
      "ctrl-f8": "editor::GoToHunk",
-      "ctrl-shift-f8": "editor::GoToPrevHunk",
+      "ctrl-shift-f8": "editor::GoToPreviousHunk",
      "ctrl-enter": "assistant::InlineAssist",
      "ctrl-:": "editor::ToggleInlayHints"
    }
@@ -606,18 +606,35 @@
      "ctrl-n": "assistant2::NewThread",
      "new": "assistant2::NewThread",
      "ctrl-shift-h": "assistant2::OpenHistory",
-      "ctrl-alt-/": "assistant2::ToggleModelSelector",
+      "ctrl-alt-/": "assistant::ToggleModelSelector",
      "ctrl-shift-a": "assistant2::ToggleContextPicker",
      "ctrl-e": "assistant2::ChatMode",
      "ctrl-alt-e": "assistant2::RemoveAllContext"
    }
  },
+  {
+    "context": "AssistantPanel2 && prompt_editor",
+    "use_key_equivalents": true,
+    "bindings": {
+      "cmd-n": "assistant2::NewPromptEditor",
+      "cmd-alt-t": "assistant2::NewThread"
+    }
+  },
  {
    "context": "MessageEditor > Editor",
    "bindings": {
      "enter": "assistant2::Chat"
    }
  },
+  {
+    "context": "EditMessageEditor > Editor",
+    "use_key_equivalents": true,
+    "bindings": {
+      "escape": "menu::Cancel",
+      "enter": "menu::Confirm",
+      "alt-enter": "editor::Newline"
+    }
+  },
  {
    "context": "ContextStrip",
    "bindings": {
@@ -662,7 +679,7 @@
      "alt-ctrl-r": "outline_panel::RevealInFileManager",
      "space": "outline_panel::Open",
      "shift-down": "menu::SelectNext",
-      "shift-up": "menu::SelectPrev",
+      "shift-up": "menu::SelectPrevious",
      "alt-enter": "editor::OpenExcerpts",
      "ctrl-alt-enter": "editor::OpenExcerptsSplit"
    }
@@ -700,7 +717,7 @@
      "shift-find": "project_panel::NewSearchInDirectory",
      "ctrl-shift-f": "project_panel::NewSearchInDirectory",
      "shift-down": "menu::SelectNext",
-      "shift-up": "menu::SelectPrev",
+      "shift-up": "menu::SelectPrevious",
      "escape": "menu::Cancel"
    }
  },
@@ -713,7 +730,7 @@
  {
    "context": "GitPanel && ChangesList",
    "bindings": {
-      "up": "menu::SelectPrev",
+      "up": "menu::SelectPrevious",
      "down": "menu::SelectNext",
      "enter": "menu::Confirm",
      "space": "git::ToggleStaged",
@@ -722,7 +739,7 @@
      "tab": "git_panel::FocusEditor",
      "shift-tab": "git_panel::FocusEditor",
      "escape": "git_panel::ToggleFocus",
-      "ctrl-enter": "git::Commit",
+      "ctrl-enter": "git::ShowCommitEditor",
      "alt-enter": "menu::SecondaryConfirm"
    }
  },
@@ -733,6 +750,12 @@
      "ctrl-enter": "git::Commit"
    }
  },
+  {
+    "context": "GitDiff > Editor",
+    "bindings": {
+      "ctrl-enter": "git::ShowCommitEditor"
+    }
+  },
  {
    "context": "GitPanel > Editor",
    "bindings": {
@@ -743,14 +766,6 @@
      "alt-up": "git_panel::FocusChanges"
    }
  },
-  {
-    "context": "GitCommit > Editor",
-    "use_key_equivalents": true,
-    "bindings": {
-      "enter": "editor::Newline",
-      "ctrl-enter": "git::Commit"
-    }
-  },
  {
    "context": "CollabPanel && not_editing",
    "bindings": {
@@ -773,6 +788,9 @@
  {
    "context": "Picker > Editor",
    "bindings": {
+      "escape": "menu::Cancel",
+      "up": "menu::SelectPrevious",
+      "down": "menu::SelectNext",
      "tab": "picker::ConfirmCompletion",
      "alt-enter": ["picker::ConfirmInput", { "secondary": false }]
    }
@@ -786,7 +804,7 @@
  {
    "context": "FileFinder || (FileFinder > Picker > Editor) || (FileFinder > Picker > menu)",
    "bindings": {
-      "ctrl-shift-p": "file_finder::SelectPrev",
+      "ctrl-shift-p": "file_finder::SelectPrevious",
      "ctrl-j": "pane::SplitDown",
      "ctrl-k": "pane::SplitUp",
      "ctrl-h": "pane::SplitLeft",
@@ -796,8 +814,8 @@
  {
    "context": "TabSwitcher",
    "bindings": {
-      "ctrl-shift-tab": "menu::SelectPrev",
-      "ctrl-up": "menu::SelectPrev",
+      "ctrl-shift-tab": "menu::SelectPrevious",
+      "ctrl-up": "menu::SelectPrevious",
      "ctrl-down": "menu::SelectNext",
      "ctrl-backspace": "tab_switcher::CloseSelectedItem"
    }
--- a/assets/keymaps/default-macos.json
+++ b/assets/keymaps/default-macos.json
@@ -1,4 +1,15 @@
 [
+  // Moved before Standard macOS bindings so that `cmd-w` is not the last binding for
+  // `workspace::CloseWindow` and displayed/intercepted by macOS
+  {
+    "context": "PromptLibrary",
+    "use_key_equivalents": true,
+    "bindings": {
+      "cmd-n": "prompt_library::NewPrompt",
+      "cmd-shift-s": "prompt_library::ToggleDefaultPrompt",
+      "cmd-w": "workspace::CloseWindow"
+    }
+  },
  // Standard macOS bindings
  {
    "use_key_equivalents": true,
@@ -14,19 +25,19 @@
      "tab": "menu::SelectNext",
      "ctrl-n": "menu::SelectNext",
      "down": "menu::SelectNext",
-      "shift-tab": "menu::SelectPrev",
-      "ctrl-p": "menu::SelectPrev",
-      "up": "menu::SelectPrev",
+      "shift-tab": "menu::SelectPrevious",
+      "ctrl-p": "menu::SelectPrevious",
+      "up": "menu::SelectPrevious",
      "enter": "menu::Confirm",
      "ctrl-enter": "menu::SecondaryConfirm",
      "cmd-enter": "menu::SecondaryConfirm",
      "ctrl-escape": "menu::Cancel",
-      "cmd-escape": "menu::Cancel",
      "ctrl-c": "menu::Cancel",
      "escape": "menu::Cancel",
      "alt-shift-enter": "menu::Restart",
      "cmd-shift-w": "workspace::CloseWindow",
      "shift-escape": "workspace::ToggleZoom",
+      "cmd-escape": "menu::Cancel",
      "cmd-o": "workspace::Open",
      "cmd-=": ["zed::IncreaseBufferFontSize", { "persist": false }],
      "cmd-+": ["zed::IncreaseBufferFontSize", { "persist": false }],
@@ -54,7 +65,7 @@
      "ctrl-d": "editor::Delete",
      "delete": "editor::Delete",
      "tab": "editor::Tab",
-      "shift-tab": "editor::TabPrev",
+      "shift-tab": "editor::Backtab",
      "ctrl-t": "editor::Transpose",
      "ctrl-k": "editor::KillRingCut",
      "ctrl-y": "editor::KillRingYank",
@@ -118,6 +129,7 @@
      "cmd-a": "editor::SelectAll",
      "cmd-l": "editor::SelectLine",
      "cmd-shift-i": "editor::Format",
+      "alt-shift-o": "editor::OrganizeImports",
      "cmd-shift-left": ["editor::SelectToBeginningOfLine", { "stop_at_soft_wraps": true, "stop_at_indent": true }],
      "shift-home": ["editor::SelectToBeginningOfLine", { "stop_at_soft_wraps": true, "stop_at_indent": true }],
      "ctrl-shift-a": ["editor::SelectToBeginningOfLine", { "stop_at_soft_wraps": true, "stop_at_indent": true }],
@@ -207,7 +219,7 @@
      "cmd-k c": "assistant::CopyCode",
      "cmd-shift-e": "project_panel::ToggleFocus",
      "cmd-g": "search::SelectNextMatch",
-      "cmd-shift-g": "search::SelectPrevMatch",
+      "cmd-shift-g": "search::SelectPreviousMatch",
      "cmd-alt-/": "assistant::ToggleModelSelector",
      "cmd-k h": "assistant::DeployHistory",
      "cmd-k l": "assistant::DeployPromptLibrary",
@@ -238,12 +250,20 @@
      "cmd-n": "assistant2::NewThread",
      "cmd-alt-p": "assistant2::NewPromptEditor",
      "cmd-shift-h": "assistant2::OpenHistory",
-      "cmd-alt-/": "assistant2::ToggleModelSelector",
+      "cmd-alt-/": "assistant::ToggleModelSelector",
      "cmd-shift-a": "assistant2::ToggleContextPicker",
      "cmd-e": "assistant2::ChatMode",
      "cmd-alt-e": "assistant2::RemoveAllContext"
    }
  },
+  {
+    "context": "AssistantPanel2 && prompt_editor",
+    "use_key_equivalents": true,
+    "bindings": {
+      "cmd-n": "assistant2::NewPromptEditor",
+      "cmd-alt-t": "assistant2::NewThread"
+    }
+  },
  {
    "context": "MessageEditor > Editor",
    "use_key_equivalents": true,
@@ -251,6 +271,15 @@
      "enter": "assistant2::Chat"
    }
  },
+  {
+    "context": "EditMessageEditor > Editor",
+    "use_key_equivalents": true,
+    "bindings": {
+      "escape": "menu::Cancel",
+      "enter": "menu::Confirm",
+      "alt-enter": "editor::Newline"
+    }
+  },
  {
    "context": "ContextStrip",
    "use_key_equivalents": true,
@@ -269,15 +298,6 @@
      "backspace": "assistant2::RemoveSelectedThread"
    }
  },
-  {
-    "context": "PromptLibrary",
-    "use_key_equivalents": true,
-    "bindings": {
-      "cmd-n": "prompt_library::NewPrompt",
-      "cmd-shift-s": "prompt_library::ToggleDefaultPrompt",
-      "cmd-w": "workspace::CloseWindow"
-    }
-  },
  {
    "context": "BufferSearchBar",
    "use_key_equivalents": true,
@@ -285,7 +305,7 @@
      "escape": "buffer_search::Dismiss",
      "tab": "buffer_search::FocusEditor",
      "enter": "search::SelectNextMatch",
-      "shift-enter": "search::SelectPrevMatch",
+      "shift-enter": "search::SelectPreviousMatch",
      "alt-enter": "search::SelectAllMatches",
      "cmd-f": "search::FocusSearch",
      "cmd-alt-f": "search::ToggleReplace",
@@ -352,8 +372,8 @@
    "context": "Pane",
    "use_key_equivalents": true,
    "bindings": {
-      "alt-cmd-left": "pane::ActivatePrevItem",
-      "cmd-{": "pane::ActivatePrevItem",
+      "alt-cmd-left": "pane::ActivatePreviousItem",
+      "cmd-{": "pane::ActivatePreviousItem",
      "alt-cmd-right": "pane::ActivateNextItem",
      "cmd-}": "pane::ActivateNextItem",
      "ctrl-shift-pageup": "pane::SwapItemLeft",
@@ -367,7 +387,7 @@
      "cmd-k cmd-w": ["pane::CloseAllItems", { "close_pinned": false }],
      "cmd-f": "project_search::ToggleFocus",
      "cmd-g": "search::SelectNextMatch",
-      "cmd-shift-g": "search::SelectPrevMatch",
+      "cmd-shift-g": "search::SelectPreviousMatch",
      "cmd-shift-h": "search::ToggleReplace",
      "cmd-alt-l": "search::ToggleSelection",
      "alt-enter": "search::SelectAllMatches",
@@ -407,7 +427,7 @@
      "cmd-u": "editor::UndoSelection",
      "cmd-shift-u": "editor::RedoSelection",
      "f8": "editor::GoToDiagnostic",
-      "shift-f8": "editor::GoToPrevDiagnostic",
+      "shift-f8": "editor::GoToPreviousDiagnostic",
      "f2": "editor::Rename",
      "f12": "editor::GoToDefinition",
      "alt-f12": "editor::GoToDefinitionSplit",
@@ -613,8 +633,8 @@
    "context": "Editor && (showing_code_actions || showing_completions)",
    "use_key_equivalents": true,
    "bindings": {
-      "up": "editor::ContextMenuPrev",
-      "ctrl-p": "editor::ContextMenuPrev",
+      "up": "editor::ContextMenuPrevious",
+      "ctrl-p": "editor::ContextMenuPrevious",
      "down": "editor::ContextMenuNext",
      "ctrl-n": "editor::ContextMenuNext",
      "pageup": "editor::ContextMenuFirst",
@@ -640,7 +660,7 @@
      "cmd-alt-enter": "editor::OpenExcerptsSplit",
      "cmd-shift-e": "pane::RevealInProjectPanel",
      "cmd-f8": "editor::GoToHunk",
-      "cmd-shift-f8": "editor::GoToPrevHunk",
+      "cmd-shift-f8": "editor::GoToPreviousHunk",
      "ctrl-enter": "assistant::InlineAssist",
      "ctrl-:": "editor::ToggleInlayHints"
    }
@@ -658,7 +678,7 @@
    "use_key_equivalents": true,
    "bindings": {
      "cmd-shift-a": "assistant2::ToggleContextPicker",
-      "cmd-alt-/": "assistant2::ToggleModelSelector",
+      "cmd-alt-/": "assistant::ToggleModelSelector",
      "cmd-alt-e": "assistant2::RemoveAllContext",
      "ctrl-[": "assistant::CyclePreviousInlineAssist",
      "ctrl-]": "assistant::CycleNextInlineAssist"
@@ -683,7 +703,7 @@
      "alt-cmd-r": "outline_panel::RevealInFileManager",
      "space": "outline_panel::Open",
      "shift-down": "menu::SelectNext",
-      "shift-up": "menu::SelectPrev",
+      "shift-up": "menu::SelectPrevious",
      "alt-enter": "editor::OpenExcerpts",
      "cmd-alt-enter": "editor::OpenExcerptsSplit"
    }
@@ -713,7 +733,7 @@
      "cmd-alt-backspace": ["project_panel::Delete", { "skip_prompt": false }],
      "cmd-shift-f": "project_panel::NewSearchInDirectory",
      "shift-down": "menu::SelectNext",
-      "shift-up": "menu::SelectPrev",
+      "shift-up": "menu::SelectPrevious",
      "escape": "menu::Cancel"
    }
  },
@@ -728,7 +748,7 @@
    "context": "GitPanel && ChangesList",
    "use_key_equivalents": true,
    "bindings": {
-      "up": "menu::SelectPrev",
+      "up": "menu::SelectPrevious",
      "down": "menu::SelectNext",
      "cmd-up": "menu::SelectFirst",
      "cmd-down": "menu::SelectLast",
@@ -739,7 +759,15 @@
      "alt-down": "git_panel::FocusEditor",
      "tab": "git_panel::FocusEditor",
      "shift-tab": "git_panel::FocusEditor",
-      "escape": "git_panel::ToggleFocus"
+      "escape": "git_panel::ToggleFocus",
+      "cmd-enter": "git::ShowCommitEditor"
+    }
+  },
+  {
+    "context": "GitDiff > Editor",
+    "use_key_equivalents": true,
+    "bindings": {
+      "cmd-enter": "git::ShowCommitEditor"
    }
  },
  {
@@ -787,6 +815,9 @@
    "context": "Picker > Editor",
    "use_key_equivalents": true,
    "bindings": {
+      "escape": "menu::Cancel",
+      "up": "menu::SelectPrevious",
+      "down": "menu::SelectNext",
      "tab": "picker::ConfirmCompletion",
      "alt-enter": ["picker::ConfirmInput", { "secondary": false }],
      "cmd-alt-enter": ["picker::ConfirmInput", { "secondary": true }]
@@ -803,7 +834,7 @@
    "context": "FileFinder || (FileFinder > Picker > Editor) || (FileFinder > Picker > menu)",
    "use_key_equivalents": true,
    "bindings": {
-      "cmd-shift-p": "file_finder::SelectPrev",
+      "cmd-shift-p": "file_finder::SelectPrevious",
      "cmd-j": "pane::SplitDown",
      "cmd-k": "pane::SplitUp",
      "cmd-h": "pane::SplitLeft",
@@ -814,8 +845,8 @@
    "context": "TabSwitcher",
    "use_key_equivalents": true,
    "bindings": {
-      "ctrl-shift-tab": "menu::SelectPrev",
-      "ctrl-up": "menu::SelectPrev",
+      "ctrl-shift-tab": "menu::SelectPrevious",
+      "ctrl-up": "menu::SelectPrevious",
      "ctrl-down": "menu::SelectNext",
      "ctrl-backspace": "tab_switcher::CloseSelectedItem"
    }
--- a/assets/keymaps/linux/atom.json
+++ b/assets/keymaps/linux/atom.json
@@ -39,7 +39,7 @@
    "context": "BufferSearchBar",
    "bindings": {
      "ctrl-f3": "search::SelectNextMatch", // find-and-replace:find-next-selected
-      "ctrl-shift-f3": "search::SelectPrevMatch" // find-and-replace:find-previous-selected
+      "ctrl-shift-f3": "search::SelectPreviousMatch" // find-and-replace:find-previous-selected
    }
  },
  {
--- a/assets/keymaps/linux/emacs.json
+++ b/assets/keymaps/linux/emacs.json
@@ -122,7 +122,7 @@
    "context": "BufferSearchBar > Editor",
    "bindings": {
      "ctrl-s": "search::SelectNextMatch",
-      "ctrl-r": "search::SelectPrevMatch",
+      "ctrl-r": "search::SelectPreviousMatch",
      "ctrl-g": "buffer_search::Dismiss"
    }
  },
--- a/assets/keymaps/linux/jetbrains.json
+++ b/assets/keymaps/linux/jetbrains.json
@@ -2,7 +2,7 @@
  {
    "bindings": {
      "ctrl-alt-s": "zed::OpenSettings",
-      "ctrl-{": "pane::ActivatePrevItem",
+      "ctrl-{": "pane::ActivatePreviousItem",
      "ctrl-}": "pane::ActivateNextItem"
    }
  },
@@ -41,9 +41,9 @@
      "ctrl-shift-b": "editor::GoToTypeDefinition",
      "ctrl-alt-shift-b": "editor::GoToTypeDefinitionSplit",
      "f2": "editor::GoToDiagnostic",
-      "shift-f2": "editor::GoToPrevDiagnostic",
+      "shift-f2": "editor::GoToPreviousDiagnostic",
      "ctrl-alt-shift-down": "editor::GoToHunk",
-      "ctrl-alt-shift-up": "editor::GoToPrevHunk",
+      "ctrl-alt-shift-up": "editor::GoToPreviousHunk",
      "ctrl-alt-z": "git::Restore",
      "ctrl-home": "editor::MoveToBeginning",
      "ctrl-end": "editor::MoveToEnd",
--- a/assets/keymaps/linux/sublime_text.json
+++ b/assets/keymaps/linux/sublime_text.json
@@ -1,9 +1,9 @@
 [
  {
    "bindings": {
-      "ctrl-{": "pane::ActivatePrevItem",
+      "ctrl-{": "pane::ActivatePreviousItem",
      "ctrl-}": "pane::ActivateNextItem",
-      "ctrl-pageup": "pane::ActivatePrevItem",
+      "ctrl-pageup": "pane::ActivatePreviousItem",
      "ctrl-pagedown": "pane::ActivateNextItem",
      "ctrl-1": ["workspace::ActivatePane", 0],
      "ctrl-2": ["workspace::ActivatePane", 1],
@@ -44,7 +44,7 @@
      "shift-f12": "editor::FindAllReferences",
      "ctrl-shift-f12": "editor::FindAllReferences",
      "ctrl-.": "editor::GoToHunk",
-      "ctrl-,": "editor::GoToPrevHunk",
+      "ctrl-,": "editor::GoToPreviousHunk",
      "ctrl-k ctrl-u": "editor::ConvertToUpperCase",
      "ctrl-k ctrl-l": "editor::ConvertToLowerCase",
      "shift-alt-m": "markdown::OpenPreviewToTheSide",
@@ -62,7 +62,7 @@
    "context": "Pane",
    "bindings": {
      "f4": "search::SelectNextMatch",
-      "shift-f4": "search::SelectPrevMatch",
+      "shift-f4": "search::SelectPreviousMatch",
      "alt-1": ["pane::ActivateItem", 0],
      "alt-2": ["pane::ActivateItem", 1],
      "alt-3": ["pane::ActivateItem", 2],
--- a/assets/keymaps/macos/atom.json
+++ b/assets/keymaps/macos/atom.json
@@ -40,7 +40,7 @@
    "context": "BufferSearchBar",
    "bindings": {
      "cmd-f3": "search::SelectNextMatch",
-      "cmd-shift-f3": "search::SelectPrevMatch"
+      "cmd-shift-f3": "search::SelectPreviousMatch"
    }
  },
  {
--- a/assets/keymaps/macos/emacs.json
+++ b/assets/keymaps/macos/emacs.json
@@ -122,7 +122,7 @@
    "context": "BufferSearchBar > Editor",
    "bindings": {
      "ctrl-s": "search::SelectNextMatch",
-      "ctrl-r": "search::SelectPrevMatch",
+      "ctrl-r": "search::SelectPreviousMatch",
      "ctrl-g": "buffer_search::Dismiss"
    }
  },
--- a/assets/keymaps/macos/jetbrains.json
+++ b/assets/keymaps/macos/jetbrains.json
@@ -1,7 +1,7 @@
 [
  {
    "bindings": {
-      "cmd-{": "pane::ActivatePrevItem",
+      "cmd-{": "pane::ActivatePreviousItem",
      "cmd-}": "pane::ActivateNextItem"
    }
  },
@@ -39,9 +39,9 @@
      "cmd-shift-b": "editor::GoToTypeDefinition",
      "cmd-alt-shift-b": "editor::GoToTypeDefinitionSplit",
      "f2": "editor::GoToDiagnostic",
-      "shift-f2": "editor::GoToPrevDiagnostic",
+      "shift-f2": "editor::GoToPreviousDiagnostic",
      "ctrl-alt-shift-down": "editor::GoToHunk",
-      "ctrl-alt-shift-up": "editor::GoToPrevHunk",
+      "ctrl-alt-shift-up": "editor::GoToPreviousHunk",
      "cmd-home": "editor::MoveToBeginning",
      "cmd-end": "editor::MoveToEnd",
      "cmd-shift-home": "editor::SelectToBeginning",
@@ -61,7 +61,7 @@
  {
    "context": "BufferSearchBar > Editor",
    "bindings": {
-      "shift-enter": "search::SelectPrevMatch"
+      "shift-enter": "search::SelectPreviousMatch"
    }
  },
  {
--- a/assets/keymaps/macos/sublime_text.json
+++ b/assets/keymaps/macos/sublime_text.json
@@ -1,9 +1,9 @@
 [
  {
    "bindings": {
-      "cmd-{": "pane::ActivatePrevItem",
+      "cmd-{": "pane::ActivatePreviousItem",
      "cmd-}": "pane::ActivateNextItem",
-      "ctrl-pageup": "pane::ActivatePrevItem",
+      "ctrl-pageup": "pane::ActivatePreviousItem",
      "ctrl-pagedown": "pane::ActivateNextItem",
      "ctrl-1": ["workspace::ActivatePane", 0],
      "ctrl-2": ["workspace::ActivatePane", 1],
@@ -45,7 +45,7 @@
      "ctrl-alt-cmd-down": "editor::GoToDefinitionSplit",
      "alt-shift-cmd-down": "editor::FindAllReferences",
      "ctrl-.": "editor::GoToHunk",
-      "ctrl-,": "editor::GoToPrevHunk",
+      "ctrl-,": "editor::GoToPreviousHunk",
      "cmd-k cmd-u": "editor::ConvertToUpperCase",
      "cmd-k cmd-l": "editor::ConvertToLowerCase",
      "cmd-shift-j": "editor::JoinLines",
@@ -64,7 +64,7 @@
    "context": "Pane",
    "bindings": {
      "f4": "search::SelectNextMatch",
-      "shift-f4": "search::SelectPrevMatch",
+      "shift-f4": "search::SelectPreviousMatch",
      "cmd-1": ["pane::ActivateItem", 0],
      "cmd-2": ["pane::ActivateItem", 1],
      "cmd-3": ["pane::ActivateItem", 2],
--- a/assets/keymaps/macos/textmate.json
+++ b/assets/keymaps/macos/textmate.json
@@ -47,7 +47,7 @@
    "context": "BufferSearchBar",
    "bindings": {
      "ctrl-s": "search::SelectNextMatch",
-      "ctrl-shift-s": "search::SelectPrevMatch"
+      "ctrl-shift-s": "search::SelectPreviousMatch"
    }
  },
  {
--- a/assets/keymaps/storybook.json
+++ b/assets/keymaps/storybook.json
@@ -13,9 +13,9 @@
      "tab": "menu::SelectNext",
      "ctrl-n": "menu::SelectNext",
      "down": "menu::SelectNext",
-      "shift-tab": "menu::SelectPrev",
-      "ctrl-p": "menu::SelectPrev",
-      "up": "menu::SelectPrev",
+      "shift-tab": "menu::SelectPrevious",
+      "ctrl-p": "menu::SelectPrevious",
+      "up": "menu::SelectPrevious",
      "enter": "menu::Confirm",
      "ctrl-enter": "menu::SecondaryConfirm",
      "cmd-enter": "menu::SecondaryConfirm",
--- a/assets/keymaps/vim.json
+++ b/assets/keymaps/vim.json
@@ -62,9 +62,9 @@
      "g /": "pane::DeploySearch",
      "?": ["vim::Search", { "backwards": true }],
      "*": "vim::MoveToNext",
-      "#": "vim::MoveToPrev",
+      "#": "vim::MoveToPrevious",
      "n": "vim::MoveToNextMatch",
-      "shift-n": "vim::MoveToPrevMatch",
+      "shift-n": "vim::MoveToPreviousMatch",
      "%": "vim::Matching",
      "] }": ["vim::UnmatchedForward", { "char": "}" }],
      "[ {": ["vim::UnmatchedBackward", { "char": "{" }],
@@ -106,7 +106,7 @@
      "g g": "vim::StartOfDocument",
      "g h": "editor::Hover",
      "g t": "pane::ActivateNextItem",
-      "g shift-t": "pane::ActivatePrevItem",
+      "g shift-t": "pane::ActivatePreviousItem",
      "g d": "editor::GoToDefinition",
      "g shift-d": "editor::GoToDeclaration",
      "g y": "editor::GoToTypeDefinition",
@@ -126,7 +126,7 @@
      "g shift-a": "editor::FindAllReferences", // zed specific
      "g space": "editor::OpenExcerpts", // zed specific
      "g *": ["vim::MoveToNext", { "partial_word": true }],
-      "g #": ["vim::MoveToPrev", { "partial_word": true }],
+      "g #": ["vim::MoveToPrevious", { "partial_word": true }],
      "g j": ["vim::Down", { "display_lines": true }],
      "g down": ["vim::Down", { "display_lines": true }],
      "g k": ["vim::Up", { "display_lines": true }],
@@ -138,7 +138,7 @@
      "g ^": ["vim::FirstNonWhitespace", { "display_lines": true }],
      "g v": "vim::RestoreVisualSelection",
      "g ]": "editor::GoToDiagnostic",
-      "g [": "editor::GoToPrevDiagnostic",
+      "g [": "editor::GoToPreviousDiagnostic",
      "g i": "vim::InsertAtPrevious",
      "g ,": "vim::ChangeListNewer",
      "g ;": "vim::ChangeListOlder",
@@ -231,15 +231,15 @@
      "g w": "vim::PushRewrap",
      "g q": "vim::PushRewrap",
      "ctrl-pagedown": "pane::ActivateNextItem",
-      "ctrl-pageup": "pane::ActivatePrevItem",
+      "ctrl-pageup": "pane::ActivatePreviousItem",
      "insert": "vim::InsertBefore",
      // tree-sitter related commands
      "[ x": "vim::SelectLargerSyntaxNode",
      "] x": "vim::SelectSmallerSyntaxNode",
      "] d": "editor::GoToDiagnostic",
-      "[ d": "editor::GoToPrevDiagnostic",
+      "[ d": "editor::GoToPreviousDiagnostic",
      "] c": "editor::GoToHunk",
-      "[ c": "editor::GoToPrevHunk",
+      "[ c": "editor::GoToPreviousHunk",
      "g c": "vim::PushToggleComments"
    }
  },
@@ -272,7 +272,7 @@
      "shift-s": "vim::SubstituteLine",
      "~": "vim::ChangeCase",
      "*": ["vim::MoveToNext", { "partial_word": true }],
-      "#": ["vim::MoveToPrev", { "partial_word": true }],
+      "#": ["vim::MoveToPrevious", { "partial_word": true }],
      "ctrl-a": "vim::Increment",
      "ctrl-x": "vim::Decrement",
      "g ctrl-a": ["vim::Increment", { "step": true }],
@@ -448,7 +448,10 @@
      "d": "vim::CurrentLine",
      "s": "vim::PushDeleteSurrounds",
      "o": "editor::ToggleSelectedDiffHunks", // "d o"
-      "p": "git::Restore" // "d p"
+      "shift-o": "git::ToggleStaged",
+      "p": "git::Restore", // "d p"
+      "u": "git::StageAndNext", // "d u"
+      "shift-u": "git::UnstageAndNext" // "d shift-u"
    }
  },
  {
@@ -620,8 +623,8 @@
      "ctrl-w =": "vim::ResetPaneSizes",
      "ctrl-w g t": "pane::ActivateNextItem",
      "ctrl-w ctrl-g t": "pane::ActivateNextItem",
-      "ctrl-w g shift-t": "pane::ActivatePrevItem",
-      "ctrl-w ctrl-g shift-t": "pane::ActivatePrevItem",
+      "ctrl-w g shift-t": "pane::ActivatePreviousItem",
+      "ctrl-w ctrl-g shift-t": "pane::ActivatePreviousItem",
      "ctrl-w w": "workspace::ActivateNextPane",
      "ctrl-w ctrl-w": "workspace::ActivateNextPane",
      "ctrl-w p": "workspace::ActivatePreviousPane",
@@ -664,7 +667,7 @@
      "escape": "project_panel::ToggleFocus",
      "h": "project_panel::CollapseSelectedEntry",
      "j": "menu::SelectNext",
-      "k": "menu::SelectPrev",
+      "k": "menu::SelectPrevious",
      "l": "project_panel::ExpandSelectedEntry",
      "o": "project_panel::OpenPermanent",
      "shift-d": "project_panel::Delete",
@@ -690,7 +693,7 @@
    "context": "OutlinePanel && not_editing",
    "bindings": {
      "j": "menu::SelectNext",
-      "k": "menu::SelectPrev",
+      "k": "menu::SelectPrevious",
      "shift-g": "menu::SelectLast",
      "g g": "menu::SelectFirst"
    }
@@ -699,7 +702,7 @@
    "context": "GitPanel && ChangesList",
    "use_key_equivalents": true,
    "bindings": {
-      "k": "menu::SelectPrev",
+      "k": "menu::SelectPrevious",
      "j": "menu::SelectNext",
      "g g": "menu::SelectFirst",
      "shift-g": "menu::SelectLast",
--- a/assets/settings/default.json
+++ b/assets/settings/default.json
@@ -176,8 +176,8 @@
  "show_completion_documentation": true,
  // Show method signatures in the editor, when inside parentheses.
  "auto_signature_help": false,
-  /// Whether to show the signature help after completion or a bracket pair inserted.
-  /// If `auto_signature_help` is enabled, this setting will be treated as enabled also.
+  // Whether to show the signature help after completion or a bracket pair inserted.
+  // If `auto_signature_help` is enabled, this setting will be treated as enabled also.
  "show_signature_help_after_edits": false,
  // Whether to show wrap guides (vertical rulers) in the editor.
  // Setting this to true will show a guide at the 'preferred_line_length' value
@@ -298,11 +298,11 @@
    //  - "information": show only errors, warnings, and information
    //  - "all" or true: show all diagnostics
    "diagnostics": "all",
-    /// Forcefully enable or disable the scrollbar for each axis
+    // Forcefully enable or disable the scrollbar for each axis
    "axes": {
-      /// When false, forcefully disables the horizontal scrollbar. Otherwise, obey other settings.
+      // When false, forcefully disables the horizontal scrollbar. Otherwise, obey other settings.
      "horizontal": true,
-      /// When false, forcefully disables the vertical scrollbar. Otherwise, obey other settings.
+      // When false, forcefully disables the vertical scrollbar. Otherwise, obey other settings.
      "vertical": true
    }
  },
@@ -328,24 +328,24 @@
    "folds": true
  },
  "indent_guides": {
-    /// Whether to show indent guides in the editor.
+    // Whether to show indent guides in the editor.
    "enabled": true,
-    /// The width of the indent guides in pixels, between 1 and 10.
+    // The width of the indent guides in pixels, between 1 and 10.
    "line_width": 1,
-    /// The width of the active indent guide in pixels, between 1 and 10.
+    // The width of the active indent guide in pixels, between 1 and 10.
    "active_line_width": 1,
-    /// Determines how indent guides are colored.
-    /// This setting can take the following three values:
+    // Determines how indent guides are colored.
+    // This setting can take the following three values:
    ///
-    /// 1. "disabled"
-    /// 2. "fixed"
-    /// 3. "indent_aware"
+    // 1. "disabled"
+    // 2. "fixed"
+    // 3. "indent_aware"
    "coloring": "fixed",
-    /// Determines how indent guide backgrounds are colored.
-    /// This setting can take the following two values:
+    // Determines how indent guide backgrounds are colored.
+    // This setting can take the following two values:
    ///
-    /// 1. "disabled"
-    /// 2. "indent_aware"
+    // 1. "disabled"
+    // 2. "indent_aware"
    "background_coloring": "disabled"
  },
  // Whether the editor will scroll beyond the last line.
@@ -379,6 +379,9 @@
  // 3. Never populate the search query
  //    "never"
  "seed_search_query_from_cursor": "always",
+  // When enabled, automatically adjusts search case sensitivity based on your query.
+  // If your search query contains any uppercase letters, the search becomes case-sensitive;
+  // if it contains only lowercase letters, the search becomes case-insensitive.
  "use_smartcase_search": false,
  // Inlay hint related settings
  "inlay_hints": {
@@ -398,7 +401,16 @@
    "edit_debounce_ms": 700,
    // Time to wait after scrolling the buffer, before requesting the hints,
    // set to 0 to disable debouncing.
-    "scroll_debounce_ms": 50
+    "scroll_debounce_ms": 50,
+    /// A set of modifiers which, when pressed, will toggle the visibility of inlay hints.
+    /// If the set if empty or not all the modifiers specified are pressed, inlay hints will not be toggled.
+    "toggle_on_modifiers_press": {
+      "control": false,
+      "shift": false,
+      "alt": false,
+      "platform": false,
+      "function": false
+    }
  },
  "project_panel": {
    // Whether to show the project panel button in the status bar
@@ -424,32 +436,32 @@
    // Whether to fold directories automatically and show compact folders
    // (e.g. "a/b/c" ) when a directory has only one subdirectory inside.
    "auto_fold_dirs": true,
-    /// Scrollbar-related settings
+    // Scrollbar-related settings
    "scrollbar": {
-      /// When to show the scrollbar in the project panel.
-      /// This setting can take five values:
+      // When to show the scrollbar in the project panel.
+      // This setting can take five values:
      ///
-      /// 1. null (default): Inherit editor settings
-      /// 2. Show the scrollbar if there's important information or
-      ///    follow the system's configured behavior (default):
-      ///   "auto"
-      /// 3. Match the system's configured behavior:
-      ///    "system"
-      /// 4. Always show the scrollbar:
-      ///    "always"
-      /// 5. Never show the scrollbar:
-      ///    "never"
+      // 1. null (default): Inherit editor settings
+      // 2. Show the scrollbar if there's important information or
+      //    follow the system's configured behavior (default):
+      //   "auto"
+      // 3. Match the system's configured behavior:
+      //    "system"
+      // 4. Always show the scrollbar:
+      //    "always"
+      // 5. Never show the scrollbar:
+      //    "never"
      "show": null
    },
-    /// Which files containing diagnostic errors/warnings to mark in the project panel.
-    /// This setting can take the following three values:
+    // Which files containing diagnostic errors/warnings to mark in the project panel.
+    // This setting can take the following three values:
    ///
-    /// 1. Do not mark any files:
-    ///    "off"
-    /// 2. Only mark files with errors:
-    ///    "errors"
-    /// 3. Mark files with errors and warnings:
-    ///    "all"
+    // 1. Do not mark any files:
+    //    "off"
+    // 2. Only mark files with errors:
+    //    "errors"
+    // 3. Mark files with errors and warnings:
+    //    "all"
    "show_diagnostics": "all",
    // Settings related to indent guides in the project panel.
    "indent_guides": {
@@ -482,8 +494,8 @@
    // when a corresponding outline entry becomes active.
    // Gitignored entries are never auto revealed.
    "auto_reveal_entries": true,
-    /// Whether to fold directories automatically
-    /// when a directory has only one directory inside.
+    // Whether to fold directories automatically
+    // when a directory has only one directory inside.
    "auto_fold_dirs": true,
    // Settings related to indent guides in the outline panel.
    "indent_guides": {
@@ -496,21 +508,21 @@
      //    "never"
      "show": "always"
    },
-    /// Scrollbar-related settings
+    // Scrollbar-related settings
    "scrollbar": {
-      /// When to show the scrollbar in the project panel.
-      /// This setting can take five values:
+      // When to show the scrollbar in the project panel.
+      // This setting can take five values:
      ///
-      /// 1. null (default): Inherit editor settings
-      /// 2. Show the scrollbar if there's important information or
-      ///    follow the system's configured behavior (default):
-      ///   "auto"
-      /// 3. Match the system's configured behavior:
-      ///    "system"
-      /// 4. Always show the scrollbar:
-      ///    "always"
-      /// 5. Never show the scrollbar:
-      ///    "never"
+      // 1. null (default): Inherit editor settings
+      // 2. Show the scrollbar if there's important information or
+      //    follow the system's configured behavior (default):
+      //   "auto"
+      // 3. Match the system's configured behavior:
+      //    "system"
+      // 4. Always show the scrollbar:
+      //    "always"
+      // 5. Never show the scrollbar:
+      //    "never"
      "show": null
    }
  },
@@ -628,7 +640,7 @@
    "show": true,
    // Whether or not to show the navigation history buttons.
    "show_nav_history_buttons": true,
-    /// Whether or not to show the tab bar buttons.
+    // Whether or not to show the tab bar buttons.
    "show_tab_bar_buttons": true
  },
  // Settings related to the editor's tabs
@@ -636,11 +648,19 @@
    // Show git status colors in the editor tabs.
    "git_status": false,
    // Position of the close button on the editor tabs.
+    // One of: ["right", "left", "hidden"]
    "close_position": "right",
    // Whether to show the file icon for a tab.
    "file_icons": false,
-    // Whether to always show the close button on tabs.
-    "always_show_close_button": false,
+    // Controls the appearance behavior of the tab's close button.
+    //
+    // 1. Show it just upon hovering the tab. (default)
+    //     "hover"
+    // 2. Show it persistently.
+    //     "always"
+    // 3. Never show it, even if hovering it.
+    //     "hidden"
+    "show_close_button": "hover",
    // What to do after closing the current tab.
    //
    // 1. Activate the tab that was open previously (default)
@@ -650,16 +670,16 @@
    // 3. Activate the left neighbour tab if present
    //     "left_neighbour"
    "activate_on_close": "history",
-    /// Which files containing diagnostic errors/warnings to mark in the tabs.
-    /// Diagnostics are only shown when file icons are also active.
-    /// This setting only works when can take the following three values:
+    // Which files containing diagnostic errors/warnings to mark in the tabs.
+    // Diagnostics are only shown when file icons are also active.
+    // This setting only works when can take the following three values:
    ///
-    /// 1. Do not mark any files:
-    ///    "off"
-    /// 2. Only mark files with errors:
-    ///    "errors"
-    /// 3. Mark files with errors and warnings:
-    ///    "all"
+    // 1. Do not mark any files:
+    //    "off"
+    // 2. Only mark files with errors:
+    //    "errors"
+    // 3. Mark files with errors and warnings:
+    //    "all"
    "show_diagnostics": "off"
  },
  // Settings related to preview tabs.
@@ -817,7 +837,15 @@
      //
      // The minimum column number to show the inline blame information at
      // "min_column": 0
-    }
+    },
+    // How git hunks are displayed visually in the editor.
+    // This setting can take two values:
+    //
+    // 1. Show unstaged hunks with a transparent background (default):
+    //    "hunk_style": "transparent"
+    // 2. Show unstaged hunks with a pattern background:
+    //    "hunk_style": "pattern"
+    "hunk_style": "transparent"
  },
  // Configuration for how direnv configuration should be loaded. May take 2 values:
  // 1. Load direnv configuration using `direnv export json` directly.
@@ -829,22 +857,19 @@
    // A list of globs representing files that edit predictions should be disabled for.
    // There's a sensible default list of globs already included.
    // Any addition to this list will be merged with the default list.
-    "disabled_globs": [
-      "**/.env*",
-      "**/*.pem",
-      "**/*.key",
-      "**/*.cert",
-      "**/*.crt",
-      "**/.dev.vars",
-      "**/secrets.yml"
-    ],
+    // Globs are matched relative to the worktree root,
+    // except when starting with a slash (/) or equivalent in Windows.
+    "disabled_globs": ["**/.env*", "**/*.pem", "**/*.key", "**/*.cert", "**/*.crt", "**/.dev.vars", "**/secrets.yml"],
    // When to show edit predictions previews in buffer.
    // This setting takes two possible values:
-    // 1. Display inline when there are no language server completions available.
-    //     "mode": "eager_preview"
-    // 2. Display inline when holding modifier key (alt by default).
-    //     "mode": "auto"
-    "mode": "eager_preview"
+    // 1. Display predictions inline when there are no language server completions available.
+    //     "mode": "eager"
+    // 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.
+    // This setting has no effect if globally disabled.
+    "enabled_in_assistant": true
  },
  // Settings specific to journaling
  "journal": {
@@ -980,21 +1005,21 @@
      // Example: `echo -e "\e]2;New Title\007";`
      "breadcrumbs": true
    },
-    /// Scrollbar-related settings
+    // Scrollbar-related settings
    "scrollbar": {
-      /// When to show the scrollbar in the terminal.
-      /// This setting can take five values:
+      // When to show the scrollbar in the terminal.
+      // This setting can take five values:
      ///
-      /// 1. null (default): Inherit editor settings
-      /// 2. Show the scrollbar if there's important information or
-      ///    follow the system's configured behavior (default):
-      ///   "auto"
-      /// 3. Match the system's configured behavior:
-      ///    "system"
-      /// 4. Always show the scrollbar:
-      ///    "always"
-      /// 5. Never show the scrollbar:
-      ///    "never"
+      // 1. null (default): Inherit editor settings
+      // 2. Show the scrollbar if there's important information or
+      //    follow the system's configured behavior (default):
+      //   "auto"
+      // 3. Match the system's configured behavior:
+      //    "system"
+      // 4. Always show the scrollbar:
+      //    "always"
+      // 5. Never show the scrollbar:
+      //    "never"
      "show": null
    }
    // Set the terminal's font size. If this option is not included,
@@ -1013,7 +1038,7 @@
    // "max_scroll_history_lines": 10000,
  },
  "code_actions_on_format": {},
-  /// Settings related to running tasks.
+  // Settings related to running tasks.
  "tasks": {
    "variables": {}
  },
@@ -1034,20 +1059,20 @@
    "JSONC": ["**/.zed/**/*.json", "**/zed/**/*.json", "**/Zed/**/*.json", "**/.vscode/**/*.json"],
    "Shell Script": [".env.*"]
  },
-  /// By default use a recent system version of node, or install our own.
-  /// You can override this to use a version of node that is not in $PATH with:
-  /// {
-  ///   "node": {
-  ///     "path": "/path/to/node"
-  ///     "npm_path": "/path/to/npm" (defaults to node_path/../npm)
-  ///   }
-  /// }
-  /// or to ensure Zed always downloads and installs an isolated version of node:
-  /// {
-  ///   "node": {
-  ///     "ignore_system_version": true,
-  ///   }
-  /// NOTE: changing this setting currently requires restarting Zed.
+  // By default use a recent system version of node, or install our own.
+  // You can override this to use a version of node that is not in $PATH with:
+  // {
+  //   "node": {
+  //     "path": "/path/to/node"
+  //     "npm_path": "/path/to/npm" (defaults to node_path/../npm)
+  //   }
+  // }
+  // or to ensure Zed always downloads and installs an isolated version of node:
+  // {
+  //   "node": {
+  //     "ignore_system_version": true,
+  //   }
+  // NOTE: changing this setting currently requires restarting Zed.
  "node": {},
  // The extensions that Zed should automatically install on startup.
  //
@@ -1296,6 +1321,7 @@
  },
  // Vim settings
  "vim": {
+    "default_mode": "normal",
    "toggle_relative_line_numbers": false,
    "use_system_clipboard": "always",
    "use_multiline_find": false,
--- a/crates/assistant/Cargo.toml
+++ b/crates/assistant/Cargo.toml
@@ -51,6 +51,7 @@ parking_lot.workspace = true
 paths.workspace = true
 project.workspace = true
 prompt_library.workspace = true
+prompt_store.workspace = true
 proto.workspace = true
 rope.workspace = true
 schemars.workspace = true
--- a/crates/assistant/src/assistant.rs
+++ b/crates/assistant/src/assistant.rs
@@ -19,7 +19,7 @@ use gpui::{actions, App, Global, UpdateGlobal};
 use language_model::{
    LanguageModelId, LanguageModelProviderId, LanguageModelRegistry, LanguageModelResponseMessage,
 };
-use prompt_library::PromptBuilder;
+use prompt_store::PromptBuilder;
 use semantic_index::{CloudEmbeddingProvider, SemanticDb};
 use serde::Deserialize;
 use settings::{Settings, SettingsStore};
--- a/crates/assistant/src/assistant_panel.rs
+++ b/crates/assistant/src/assistant_panel.rs
@@ -24,7 +24,8 @@ use language_model::{
    AuthenticateError, LanguageModelProviderId, LanguageModelRegistry, ZED_CLOUD_PROVIDER_ID,
 };
 use project::Project;
-use prompt_library::{open_prompt_library, PromptBuilder, PromptLibrary};
+use prompt_library::{open_prompt_library, PromptLibrary};
+use prompt_store::PromptBuilder;
 use search::{buffer_search::DivRegistrar, BufferSearchBar};
 use settings::{update_settings_file, Settings};
 use smol::stream::StreamExt;
--- a/crates/assistant/src/inline_assistant.rs
+++ b/crates/assistant/src/inline_assistant.rs
@@ -35,11 +35,11 @@ use language_model::{
    report_assistant_event, LanguageModel, LanguageModelRegistry, LanguageModelRequest,
    LanguageModelRequestMessage, LanguageModelTextStream, Role,
 };
-use language_model_selector::{LanguageModelSelector, LanguageModelSelectorPopoverMenu};
+use language_model_selector::inline_language_model_selector;
 use multi_buffer::MultiBufferRow;
 use parking_lot::Mutex;
 use project::{CodeAction, ProjectTransaction};
-use prompt_library::PromptBuilder;
+use prompt_store::PromptBuilder;
 use rope::Rope;
 use settings::{update_settings_file, Settings, SettingsStore};
 use smol::future::FutureExt;
@@ -1425,7 +1425,6 @@ enum PromptEditorEvent {
 struct PromptEditor {
    id: InlineAssistId,
    editor: Entity<Editor>,
-    language_model_selector: Entity<LanguageModelSelector>,
    edited_since_done: bool,
    gutter_dimensions: Arc<Mutex<GutterDimensions>>,
    prompt_history: VecDeque<String>,
@@ -1439,6 +1438,7 @@ struct PromptEditor {
    _token_count_subscriptions: Vec<Subscription>,
    workspace: Option<WeakEntity<Workspace>>,
    show_rate_limit_notice: bool,
+    fs: Arc<dyn Fs>,
 }

 #[derive(Copy, Clone)]
@@ -1567,6 +1567,7 @@ impl Render for PromptEditor {
                ]
            }
        });
+        let fs_clone = self.fs.clone();

        h_flex()
            .key_context("PromptEditor")
@@ -1589,29 +1590,13 @@ impl Render for PromptEditor {
                    .w(gutter_dimensions.full_width() + (gutter_dimensions.margin / 2.0))
                    .justify_center()
                    .gap_2()
-                    .child(LanguageModelSelectorPopoverMenu::new(
-                        self.language_model_selector.clone(),
-                        IconButton::new("context", IconName::SettingsAlt)
-                            .shape(IconButtonShape::Square)
-                            .icon_size(IconSize::Small)
-                            .icon_color(Color::Muted),
-                        move |window, cx| {
-                            Tooltip::with_meta(
-                                format!(
-                                    "Using {}",
-                                    LanguageModelRegistry::read_global(cx)
-                                        .active_model()
-                                        .map(|model| model.name().0)
-                                        .unwrap_or_else(|| "No model selected".into()),
-                                ),
-                                None,
-                                "Change Model",
-                                window,
-                                cx,
-                            )
-                        },
-                        gpui::Corner::TopRight,
-                    ))
+                    .child(inline_language_model_selector(move |model, cx| {
+                        update_settings_file::<AssistantSettings>(
+                            fs_clone.clone(),
+                            cx,
+                            move |settings, _| settings.set_model(model.clone()),
+                        );
+                    }))
                    .map(|el| {
                        let CodegenStatus::Error(error) = self.codegen.read(cx).status(cx) else {
                            return el;
@@ -1724,21 +1709,8 @@ impl PromptEditor {

        let mut this = Self {
            id,
+            fs,
            editor: prompt_editor,
-            language_model_selector: cx.new(|cx| {
-                let fs = fs.clone();
-                LanguageModelSelector::new(
-                    move |model, cx| {
-                        update_settings_file::<AssistantSettings>(
-                            fs.clone(),
-                            cx,
-                            move |settings, _| settings.set_model(model.clone()),
-                        );
-                    },
-                    window,
-                    cx,
-                )
-            }),
            edited_since_done: false,
            gutter_dimensions,
            prompt_history,
--- a/crates/assistant/src/terminal_inline_assistant.rs
+++ b/crates/assistant/src/terminal_inline_assistant.rs
@@ -19,8 +19,8 @@ use language_model::{
    report_assistant_event, LanguageModelRegistry, LanguageModelRequest,
    LanguageModelRequestMessage, Role,
 };
-use language_model_selector::{LanguageModelSelector, LanguageModelSelectorPopoverMenu};
-use prompt_library::PromptBuilder;
+use language_model_selector::inline_language_model_selector;
+use prompt_store::PromptBuilder;
 use settings::{update_settings_file, Settings};
 use std::{
    cmp,
@@ -487,9 +487,9 @@ enum PromptEditorEvent {

 struct PromptEditor {
    id: TerminalInlineAssistId,
+    fs: Arc<dyn Fs>,
    height_in_lines: u8,
    editor: Entity<Editor>,
-    language_model_selector: Entity<LanguageModelSelector>,
    edited_since_done: bool,
    prompt_history: VecDeque<String>,
    prompt_history_ix: Option<usize>,
@@ -506,7 +506,7 @@ struct PromptEditor {
 impl EventEmitter<PromptEditorEvent> for PromptEditor {}

 impl Render for PromptEditor {
-    fn render(&mut self, _: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
        let status = &self.codegen.read(cx).status;
        let buttons = match status {
            CodegenStatus::Idle => {
@@ -624,6 +624,8 @@ impl Render for PromptEditor {
            }
        };

+        let fs_clone = self.fs.clone();
+
        h_flex()
            .bg(cx.theme().colors().editor_background)
            .border_y_1()
@@ -641,29 +643,13 @@ impl Render for PromptEditor {
                    .w_12()
                    .justify_center()
                    .gap_2()
-                    .child(LanguageModelSelectorPopoverMenu::new(
-                        self.language_model_selector.clone(),
-                        IconButton::new("context", IconName::SettingsAlt)
-                            .shape(IconButtonShape::Square)
-                            .icon_size(IconSize::Small)
-                            .icon_color(Color::Muted),
-                        move |window, cx| {
-                            Tooltip::with_meta(
-                                format!(
-                                    "Using {}",
-                                    LanguageModelRegistry::read_global(cx)
-                                        .active_model()
-                                        .map(|model| model.name().0)
-                                        .unwrap_or_else(|| "No model selected".into()),
-                                ),
-                                None,
-                                "Change Model",
-                                window,
-                                cx,
-                            )
-                        },
-                        gpui::Corner::TopRight,
-                    ))
+                    .child(inline_language_model_selector(move |model, cx| {
+                        update_settings_file::<AssistantSettings>(
+                            fs_clone.clone(),
+                            cx,
+                            move |settings, _| settings.set_model(model.clone()),
+                        );
+                    }))
                    .children(
                        if let CodegenStatus::Error(error) = &self.codegen.read(cx).status {
                            let error_message = SharedString::from(error.to_string());
@@ -741,22 +727,9 @@ impl PromptEditor {

        let mut this = Self {
            id,
+            fs,
            height_in_lines: 1,
            editor: prompt_editor,
-            language_model_selector: cx.new(|cx| {
-                let fs = fs.clone();
-                LanguageModelSelector::new(
-                    move |model, cx| {
-                        update_settings_file::<AssistantSettings>(
-                            fs.clone(),
-                            cx,
-                            move |settings, _| settings.set_model(model.clone()),
-                        );
-                    },
-                    window,
-                    cx,
-                )
-            }),
            edited_since_done: false,
            prompt_history,
            prompt_history_ix: None,
@@ -1073,7 +1046,10 @@ pub enum CodegenEvent {

 impl EventEmitter<CodegenEvent> for Codegen {}

+#[cfg(not(target_os = "windows"))]
 const CLEAR_INPUT: &str = "\x15";
+#[cfg(target_os = "windows")]
+const CLEAR_INPUT: &str = "\x03";
 const CARRIAGE_RETURN: &str = "\x0d";

 struct TerminalTransaction {
--- a/crates/assistant2/Cargo.toml
+++ b/crates/assistant2/Cargo.toml
@@ -56,6 +56,7 @@ paths.workspace = true
 picker.workspace = true
 project.workspace = true
 prompt_library.workspace = true
+prompt_store.workspace = true
 proto.workspace = true
 rope.workspace = true
 serde.workspace = true
@@ -73,6 +74,7 @@ time_format.workspace = true
 ui.workspace = true
 util.workspace = true
 uuid.workspace = true
+vim_mode_setting.workspace = true
 workspace.workspace = true
 zed_actions.workspace = true

--- a/crates/assistant2/src/active_thread.rs
+++ b/crates/assistant2/src/active_thread.rs
@@ -1,22 +1,24 @@
-use std::sync::Arc;
-
-use assistant_tool::ToolWorkingSet;
+use assistant_tool::{ToolRegistry, ToolWorkingSet};
 use collections::HashMap;
+use editor::{Editor, MultiBuffer};
 use gpui::{
-    list, AbsoluteLength, AnyElement, App, DefiniteLength, EdgesRefinement, Empty, Entity, Length,
-    ListAlignment, ListOffset, ListState, StyleRefinement, Subscription, TextStyleRefinement,
-    UnderlineStyle, WeakEntity,
+    list, AbsoluteLength, AnyElement, App, ClickEvent, DefiniteLength, EdgesRefinement, Empty,
+    Entity, Focusable, Length, ListAlignment, ListOffset, ListState, StyleRefinement, Subscription,
+    Task, TextStyleRefinement, UnderlineStyle, WeakEntity,
 };
-use language::LanguageRegistry;
-use language_model::Role;
+use language::{Buffer, Language, LanguageRegistry};
+use language_model::{LanguageModelRegistry, LanguageModelToolUseId, Role};
 use markdown::{Markdown, MarkdownStyle};
 use settings::Settings as _;
+use std::sync::Arc;
 use theme::ThemeSettings;
-use ui::prelude::*;
+use ui::{prelude::*, Disclosure, KeyBinding};
+use util::ResultExt as _;
 use workspace::Workspace;

-use crate::thread::{MessageId, Thread, ThreadError, ThreadEvent};
+use crate::thread::{MessageId, RequestKind, Thread, ThreadError, ThreadEvent};
 use crate::thread_store::ThreadStore;
+use crate::tool_use::{ToolUse, ToolUseStatus};
 use crate::ui::ContextPill;

 pub struct ActiveThread {
@@ -25,13 +27,21 @@ pub struct ActiveThread {
    tools: Arc<ToolWorkingSet>,
    thread_store: Entity<ThreadStore>,
    thread: Entity<Thread>,
+    save_thread_task: Option<Task<()>>,
    messages: Vec<MessageId>,
    list_state: ListState,
    rendered_messages_by_id: HashMap<MessageId, Entity<Markdown>>,
+    editing_message: Option<(MessageId, EditMessageState)>,
+    expanded_tool_uses: HashMap<LanguageModelToolUseId, bool>,
    last_error: Option<ThreadError>,
+    lua_language: Option<Arc<Language>>, // Used for syntax highlighting in the Lua script tool
    _subscriptions: Vec<Subscription>,
 }

+struct EditMessageState {
+    editor: Entity<Editor>,
+}
+
 impl ActiveThread {
    pub fn new(
        thread: Entity<Thread>,
@@ -53,19 +63,36 @@ impl ActiveThread {
            tools,
            thread_store,
            thread: thread.clone(),
+            save_thread_task: None,
            messages: Vec::new(),
            rendered_messages_by_id: HashMap::default(),
+            expanded_tool_uses: HashMap::default(),
            list_state: ListState::new(0, ListAlignment::Bottom, px(1024.), {
                let this = cx.entity().downgrade();
-                move |ix, _: &mut Window, cx: &mut App| {
-                    this.update(cx, |this, cx| this.render_message(ix, cx))
+                move |ix, window: &mut Window, cx: &mut App| {
+                    this.update(cx, |this, cx| this.render_message(ix, window, cx))
                        .unwrap()
                }
            }),
+            editing_message: None,
            last_error: None,
+            lua_language: None,
            _subscriptions: subscriptions,
        };

+        // Initialize the Lua language in the background, for syntax highlighting.
+        let language_registry = this.language_registry.clone();
+        cx.spawn(|this, mut cx| async move {
+            if let Ok(lua_language) = language_registry.language_for_name("Lua").await {
+                this.update(&mut cx, |this, _| {
+                    this.lua_language = Some(lua_language);
+                })?;
+            }
+
+            Ok::<_, anyhow::Error>(())
+        })
+        .detach();
+
        for message in thread.read(cx).messages().cloned().collect::<Vec<_>>() {
            this.push_message(&message.id, message.text.clone(), window, cx);
        }
@@ -114,6 +141,44 @@ impl ActiveThread {
        self.messages.push(*id);
        self.list_state.splice(old_len..old_len, 1);

+        let markdown = self.render_markdown(text.into(), window, cx);
+        self.rendered_messages_by_id.insert(*id, markdown);
+        self.list_state.scroll_to(ListOffset {
+            item_ix: old_len,
+            offset_in_item: Pixels(0.0),
+        });
+    }
+
+    fn edited_message(
+        &mut self,
+        id: &MessageId,
+        text: String,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        let Some(index) = self.messages.iter().position(|message_id| message_id == id) else {
+            return;
+        };
+        self.list_state.splice(index..index + 1, 1);
+        let markdown = self.render_markdown(text.into(), window, cx);
+        self.rendered_messages_by_id.insert(*id, markdown);
+    }
+
+    fn deleted_message(&mut self, id: &MessageId) {
+        let Some(index) = self.messages.iter().position(|message_id| message_id == id) else {
+            return;
+        };
+        self.messages.remove(index);
+        self.list_state.splice(index..index + 1, 0);
+        self.rendered_messages_by_id.remove(id);
+    }
+
+    fn render_markdown(
+        &self,
+        text: SharedString,
+        window: &Window,
+        cx: &mut Context<Self>,
+    ) -> Entity<Markdown> {
        let theme_settings = ThemeSettings::get_global(cx);
        let colors = cx.theme().colors();
        let ui_font_size = TextSize::Default.rems(cx);
@@ -131,6 +196,8 @@ impl ActiveThread {
            base_text_style: text_style,
            syntax: cx.theme().syntax().clone(),
            selection_background_color: cx.theme().players().local().selection,
+            code_block_overflow_x_scroll: true,
+            table_overflow_x_scroll: true,
            code_block: StyleRefinement {
                margin: EdgesRefinement {
                    top: Some(Length::Definite(rems(0.).into())),
@@ -177,20 +244,15 @@ impl ActiveThread {
            ..Default::default()
        };

-        let markdown = cx.new(|cx| {
+        cx.new(|cx| {
            Markdown::new(
-                text.into(),
+                text,
                markdown_style,
                Some(self.language_registry.clone()),
                None,
                cx,
            )
-        });
-        self.rendered_messages_by_id.insert(*id, markdown);
-        self.list_state.scroll_to(ListOffset {
-            item_ix: old_len,
-            offset_in_item: Pixels(0.0),
-        });
+        })
    }

    fn handle_thread_event(
@@ -205,11 +267,7 @@ impl ActiveThread {
                self.last_error = Some(error.clone());
            }
            ThreadEvent::StreamedCompletion | ThreadEvent::SummaryChanged => {
-                self.thread_store
-                    .update(cx, |thread_store, cx| {
-                        thread_store.save_thread(&self.thread, cx)
-                    })
-                    .detach_and_log_err(cx);
+                self.save_thread(cx);
            }
            ThreadEvent::StreamedAssistantText(message_id, text) => {
                if let Some(markdown) = self.rendered_messages_by_id.get_mut(&message_id) {
@@ -228,18 +286,31 @@ impl ActiveThread {
                    self.push_message(message_id, message_text, window, cx);
                }

-                self.thread_store
-                    .update(cx, |thread_store, cx| {
-                        thread_store.save_thread(&self.thread, cx)
-                    })
-                    .detach_and_log_err(cx);
+                self.save_thread(cx);
+                cx.notify();
+            }
+            ThreadEvent::MessageEdited(message_id) => {
+                if let Some(message_text) = self
+                    .thread
+                    .read(cx)
+                    .message(*message_id)
+                    .map(|message| message.text.clone())
+                {
+                    self.edited_message(message_id, message_text, window, cx);
+                }

+                self.save_thread(cx);
+                cx.notify();
+            }
+            ThreadEvent::MessageDeleted(message_id) => {
+                self.deleted_message(message_id);
+                self.save_thread(cx);
                cx.notify();
            }
            ThreadEvent::UsePendingTools => {
-                let pending_tool_uses = self
-                    .thread
-                    .read(cx)
+                let thread = self.thread.read(cx);
+                let thread_id = thread.id().0.clone();
+                let pending_tool_uses = thread
                    .pending_tool_uses()
                    .into_iter()
                    .filter(|tool_use| tool_use.status.is_idle())
@@ -248,24 +319,175 @@ impl ActiveThread {

                for tool_use in pending_tool_uses {
                    if let Some(tool) = self.tools.tool(&tool_use.name, cx) {
-                        let task = tool.run(tool_use.input, self.workspace.clone(), window, cx);
+                        let task = tool.run(
+                            tool_use.input,
+                            thread_id.clone(),
+                            self.workspace.clone(),
+                            window,
+                            cx,
+                        );

                        self.thread.update(cx, |thread, cx| {
-                            thread.insert_tool_output(
-                                tool_use.assistant_message_id,
-                                tool_use.id.clone(),
-                                task,
-                                cx,
-                            );
+                            thread.insert_tool_output(tool_use.id.clone(), task, cx);
+                        });
+                    }
+                }
+            }
+            ThreadEvent::ToolFinished { .. } => {
+                let all_tools_finished = self
+                    .thread
+                    .read(cx)
+                    .pending_tool_uses()
+                    .into_iter()
+                    .all(|tool_use| tool_use.status.is_error());
+                if all_tools_finished {
+                    let model_registry = LanguageModelRegistry::read_global(cx);
+                    if let Some(model) = model_registry.active_model() {
+                        self.thread.update(cx, |thread, cx| {
+                            // Insert a user message to contain the tool results.
+                            thread.insert_user_message(
+                                // TODO: Sending up a user message without any content results in the model sending back
+                                // responses that also don't have any content. We currently don't handle this case well,
+                                // so for now we provide some text to keep the model on track.
+                                "Here are the tool results.",
+                                Vec::new(),
+                                cx,
+                            );
+                            thread.send_to_model(model, RequestKind::Chat, true, cx);
                        });
                    }
                }
            }
-            ThreadEvent::ToolFinished { .. } => {}
        }
    }

-    fn render_message(&self, ix: usize, cx: &mut Context<Self>) -> AnyElement {
+    /// Spawns a task to save the active thread.
+    ///
+    /// Only one task to save the thread will be in flight at a time.
+    fn save_thread(&mut self, cx: &mut Context<Self>) {
+        let thread = self.thread.clone();
+        self.save_thread_task = Some(cx.spawn(|this, mut cx| async move {
+            let task = this
+                .update(&mut cx, |this, cx| {
+                    this.thread_store
+                        .update(cx, |thread_store, cx| thread_store.save_thread(&thread, cx))
+                })
+                .ok();
+
+            if let Some(task) = task {
+                task.await.log_err();
+            }
+        }));
+    }
+
+    fn start_editing_message(
+        &mut self,
+        message_id: MessageId,
+        message_text: String,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        let buffer = cx.new(|cx| {
+            MultiBuffer::singleton(cx.new(|cx| Buffer::local(message_text.clone(), cx)), cx)
+        });
+        let editor = cx.new(|cx| {
+            let mut editor = Editor::new(
+                editor::EditorMode::AutoHeight { max_lines: 8 },
+                buffer,
+                None,
+                false,
+                window,
+                cx,
+            );
+            editor.focus_handle(cx).focus(window);
+            editor.move_to_end(&editor::actions::MoveToEnd, window, cx);
+            editor
+        });
+        self.editing_message = Some((
+            message_id,
+            EditMessageState {
+                editor: editor.clone(),
+            },
+        ));
+        cx.notify();
+    }
+
+    fn cancel_editing_message(&mut self, _: &menu::Cancel, _: &mut Window, cx: &mut Context<Self>) {
+        self.editing_message.take();
+        cx.notify();
+    }
+
+    fn confirm_editing_message(
+        &mut self,
+        _: &menu::Confirm,
+        _: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        let Some((message_id, state)) = self.editing_message.take() else {
+            return;
+        };
+        let edited_text = state.editor.read(cx).text(cx);
+        self.thread.update(cx, |thread, cx| {
+            thread.edit_message(message_id, Role::User, edited_text, cx);
+            for message_id in self.messages_after(message_id) {
+                thread.delete_message(*message_id, cx);
+            }
+        });
+
+        let provider = LanguageModelRegistry::read_global(cx).active_provider();
+        if provider
+            .as_ref()
+            .map_or(false, |provider| provider.must_accept_terms(cx))
+        {
+            cx.notify();
+            return;
+        }
+        let model_registry = LanguageModelRegistry::read_global(cx);
+        let Some(model) = model_registry.active_model() else {
+            return;
+        };
+
+        self.thread.update(cx, |thread, cx| {
+            thread.send_to_model(model, RequestKind::Chat, false, cx)
+        });
+        cx.notify();
+    }
+
+    fn last_user_message(&self, cx: &Context<Self>) -> Option<MessageId> {
+        self.messages
+            .iter()
+            .rev()
+            .find(|message_id| {
+                self.thread
+                    .read(cx)
+                    .message(**message_id)
+                    .map_or(false, |message| message.role == Role::User)
+            })
+            .cloned()
+    }
+
+    fn messages_after(&self, message_id: MessageId) -> &[MessageId] {
+        self.messages
+            .iter()
+            .position(|id| *id == message_id)
+            .map(|index| &self.messages[index + 1..])
+            .unwrap_or(&[])
+    }
+
+    fn handle_cancel_click(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
+        self.cancel_editing_message(&menu::Cancel, window, cx);
+    }
+
+    fn handle_regenerate_click(
+        &mut self,
+        _: &ClickEvent,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        self.confirm_editing_message(&menu::Confirm, window, cx);
+    }
+
+    fn render_message(&self, ix: usize, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
        let message_id = self.messages[ix];
        let Some(message) = self.thread.read(cx).message(message_id) else {
            return Empty.into_any();
@@ -276,10 +498,36 @@ impl ActiveThread {
        };

        let context = self.thread.read(cx).context_for_message(message_id);
+        let tool_uses = self.thread.read(cx).tool_uses_for_message(message_id);
        let colors = cx.theme().colors();

+        // Don't render user messages that are just there for returning tool results.
+        if message.role == Role::User && self.thread.read(cx).message_has_tool_results(message_id) {
+            return Empty.into_any();
+        }
+
+        let allow_editing_message =
+            message.role == Role::User && self.last_user_message(cx) == Some(message_id);
+
+        let edit_message_editor = self
+            .editing_message
+            .as_ref()
+            .filter(|(id, _)| *id == message_id)
+            .map(|(_, state)| state.editor.clone());
+
        let message_content = v_flex()
-            .child(div().p_2p5().text_ui(cx).child(markdown.clone()))
+            .child(
+                if let Some(edit_message_editor) = edit_message_editor.clone() {
+                    div()
+                        .key_context("EditMessageEditor")
+                        .on_action(cx.listener(Self::cancel_editing_message))
+                        .on_action(cx.listener(Self::confirm_editing_message))
+                        .p_2p5()
+                        .child(edit_message_editor)
+                } else {
+                    div().p_2p5().text_ui(cx).child(markdown.clone())
+                },
+            )
            .when_some(context, |parent, context| {
                if !context.is_empty() {
                    parent.child(
@@ -309,7 +557,8 @@ impl ActiveThread {
                        .child(
                            h_flex()
                                .py_1()
-                                .px_2()
+                                .pl_2()
+                                .pr_1()
                                .bg(colors.editor_foreground.opacity(0.05))
                                .border_b_1()
                                .border_color(colors.border)
@@ -328,11 +577,91 @@ impl ActiveThread {
                                                .size(LabelSize::Small)
                                                .color(Color::Muted),
                                        ),
+                                )
+                                .when_some(
+                                    edit_message_editor.clone(),
+                                    |this, edit_message_editor| {
+                                        let focus_handle = edit_message_editor.focus_handle(cx);
+                                        this.child(
+                                            h_flex()
+                                                .gap_1()
+                                                .child(
+                                                    Button::new("cancel-edit-message", "Cancel")
+                                                        .label_size(LabelSize::Small)
+                                                        .key_binding(
+                                                            KeyBinding::for_action_in(
+                                                                &menu::Cancel,
+                                                                &focus_handle,
+                                                                window,
+                                                                cx,
+                                                            )
+                                                            .map(|kb| kb.size(rems_from_px(12.))),
+                                                        )
+                                                        .on_click(
+                                                            cx.listener(Self::handle_cancel_click),
+                                                        ),
+                                                )
+                                                .child(
+                                                    Button::new(
+                                                        "confirm-edit-message",
+                                                        "Regenerate",
+                                                    )
+                                                    .label_size(LabelSize::Small)
+                                                    .key_binding(
+                                                        KeyBinding::for_action_in(
+                                                            &menu::Confirm,
+                                                            &focus_handle,
+                                                            window,
+                                                            cx,
+                                                        )
+                                                        .map(|kb| kb.size(rems_from_px(12.))),
+                                                    )
+                                                    .on_click(
+                                                        cx.listener(Self::handle_regenerate_click),
+                                                    ),
+                                                ),
+                                        )
+                                    },
+                                )
+                                .when(
+                                    edit_message_editor.is_none() && allow_editing_message,
+                                    |this| {
+                                        this.child(
+                                            Button::new("edit-message", "Edit")
+                                                .label_size(LabelSize::Small)
+                                                .on_click(cx.listener({
+                                                    let message_text = message.text.clone();
+                                                    move |this, _, window, cx| {
+                                                        this.start_editing_message(
+                                                            message_id,
+                                                            message_text.clone(),
+                                                            window,
+                                                            cx,
+                                                        );
+                                                    }
+                                                })),
+                                        )
+                                    },
                                ),
                        )
                        .child(message_content),
                ),
-            Role::Assistant => div().id(("message-container", ix)).child(message_content),
+            Role::Assistant => div()
+                .id(("message-container", ix))
+                .child(message_content)
+                .map(|parent| {
+                    if tool_uses.is_empty() {
+                        return parent;
+                    }
+
+                    parent.child(
+                        v_flex().children(
+                            tool_uses
+                                .into_iter()
+                                .map(|tool_use| self.render_tool_use(tool_use, cx)),
+                        ),
+                    )
+                }),
            Role::System => div().id(("message-container", ix)).py_1().px_2().child(
                v_flex()
                    .bg(colors.editor_background)
@@ -343,6 +672,110 @@ impl ActiveThread {

        styled_message.into_any()
    }
+
+    fn render_tool_use(&self, tool_use: ToolUse, cx: &mut Context<Self>) -> impl IntoElement {
+        let tool = ToolRegistry::global(cx).tool(&tool_use.name);
+        let is_open = self
+            .expanded_tool_uses
+            .get(&tool_use.id)
+            .copied()
+            .unwrap_or_default();
+
+        div().px_2p5().child(
+            v_flex()
+                .gap_1()
+                .rounded_lg()
+                .border_1()
+                .border_color(cx.theme().colors().border)
+                .child(
+                    h_flex()
+                        .justify_between()
+                        .py_0p5()
+                        .pl_1()
+                        .pr_2()
+                        .bg(cx.theme().colors().editor_foreground.opacity(0.02))
+                        .when(is_open, |element| element.border_b_1().rounded_t(px(6.)))
+                        .when(!is_open, |element| element.rounded(px(6.)))
+                        .border_color(cx.theme().colors().border)
+                        .child(
+                            h_flex()
+                                .gap_1()
+                                .child(Disclosure::new("tool-use-disclosure", is_open).on_click(
+                                    cx.listener({
+                                        let tool_use_id = tool_use.id.clone();
+                                        move |this, _event, _window, _cx| {
+                                            let is_open = this
+                                                .expanded_tool_uses
+                                                .entry(tool_use_id.clone())
+                                                .or_insert(false);
+
+                                            *is_open = !*is_open;
+                                        }
+                                    }),
+                                ))
+                                .child(Label::new(tool_use.name)),
+                        )
+                        .child(
+                            Label::new(match tool_use.status {
+                                ToolUseStatus::Pending => "Pending",
+                                ToolUseStatus::Running => "Running",
+                                ToolUseStatus::Finished(_) => "Finished",
+                                ToolUseStatus::Error(_) => "Error",
+                            })
+                            .size(LabelSize::XSmall)
+                            .buffer_font(cx),
+                        ),
+                )
+                .map(|parent| {
+                    if !is_open {
+                        return parent;
+                    }
+
+                    parent.child(
+                        v_flex()
+                            .child(
+                                v_flex()
+                                    .gap_0p5()
+                                    .py_1()
+                                    .px_2p5()
+                                    .border_b_1()
+                                    .border_color(cx.theme().colors().border)
+                                    .bg(cx.theme().colors().editor_background)
+                                    .child(match tool.clone() {
+                                        Some(tool) => tool.render_input(
+                                            tool_use.input,
+                                            self.lua_language.clone(),
+                                            cx,
+                                        ),
+                                        None => {
+                                            assistant_tool::default_render_input(tool_use.input)
+                                        }
+                                    }),
+                            )
+                            .map(|parent| match tool_use.status {
+                                ToolUseStatus::Finished(output) => parent.child(
+                                    v_flex()
+                                        .gap_0p5()
+                                        .py_1()
+                                        .px_2p5()
+                                        .bg(cx.theme().colors().editor_background)
+                                        .child(match tool {
+                                            Some(tool) => tool.render_output(output, cx),
+                                            None => assistant_tool::default_render_output(output),
+                                        }),
+                                ),
+                                ToolUseStatus::Error(err) => parent.child(
+                                    v_flex().gap_0p5().py_1().px_2p5().child(match tool {
+                                        Some(tool) => tool.render_error(err, cx),
+                                        None => assistant_tool::default_render_output(err),
+                                    }),
+                                ),
+                                ToolUseStatus::Pending | ToolUseStatus::Running => parent,
+                            }),
+                    )
+                }),
+        )
+    }
 }

 impl Render for ActiveThread {
--- a/crates/assistant2/src/assistant.rs
+++ b/crates/assistant2/src/assistant.rs
@@ -16,6 +16,7 @@ mod terminal_inline_assistant;
 mod thread;
 mod thread_history;
 mod thread_store;
+mod tool_use;
 mod ui;

 use std::sync::Arc;
@@ -26,7 +27,7 @@ use command_palette_hooks::CommandPaletteFilter;
 use feature_flags::{Assistant2FeatureFlag, FeatureFlagAppExt};
 use fs::Fs;
 use gpui::{actions, App};
-use prompt_library::PromptBuilder;
+use prompt_store::PromptBuilder;
 use settings::Settings as _;

 pub use crate::assistant_panel::{AssistantPanel, ConcreteAssistantPanelDelegate};
@@ -38,7 +39,6 @@ actions!(
        NewThread,
        NewPromptEditor,
        ToggleContextPicker,
-        ToggleModelSelector,
        RemoveAllContext,
        OpenHistory,
        OpenConfiguration,
--- a/crates/assistant2/src/assistant_configuration.rs
+++ b/crates/assistant2/src/assistant_configuration.rs
@@ -1,7 +1,7 @@
 use std::sync::Arc;

 use collections::HashMap;
-use gpui::{AnyView, App, EventEmitter, FocusHandle, Focusable, Subscription};
+use gpui::{Action, AnyView, App, EventEmitter, FocusHandle, Focusable, Subscription};
 use language_model::{LanguageModelProvider, LanguageModelProviderId, LanguageModelRegistry};
 use ui::{prelude::*, Divider, DividerColor, ElevationIndex};
 use zed_actions::assistant::DeployPromptLibrary;
@@ -158,8 +158,16 @@ impl Render for AssistantConfiguration {
            .child(
                v_flex()
                    .p(DynamicSpacing::Base16.rems(cx))
-                    .gap_1()
-                    .child(Headline::new("Prompt Library").size(HeadlineSize::Small))
+                    .gap_2()
+                    .child(
+                        v_flex()
+                            .gap_0p5()
+                            .child(Headline::new("Prompt Library").size(HeadlineSize::Small))
+                            .child(
+                                Label::new("Create reusable prompts and tag which ones you want sent in every LLM interaction.")
+                                    .color(Color::Muted),
+                            ),
+                    )
                    .child(
                        Button::new("open-prompt-library", "Open Prompt Library")
                            .style(ButtonStyle::Filled)
@@ -168,8 +176,8 @@ impl Render for AssistantConfiguration {
                            .icon(IconName::Book)
                            .icon_size(IconSize::Small)
                            .icon_position(IconPosition::Start)
-                            .on_click(|_event, _window, cx| {
-                                cx.dispatch_action(&DeployPromptLibrary)
+                            .on_click(|_event, window, cx| {
+                                window.dispatch_action(DeployPromptLibrary.boxed_clone(), cx)
                            }),
                    ),
            )
--- a/crates/assistant2/src/assistant_model_selector.rs
+++ b/crates/assistant2/src/assistant_model_selector.rs
@@ -1,87 +1,50 @@
 use assistant_settings::AssistantSettings;
 use fs::Fs;
-use gpui::{Entity, FocusHandle, SharedString};
-use language_model::LanguageModelRegistry;
-use language_model_selector::{LanguageModelSelector, LanguageModelSelectorPopoverMenu};
+use gpui::FocusHandle;
+use language_model_selector::{assistant_language_model_selector, LanguageModelSelector};
 use settings::update_settings_file;
 use std::sync::Arc;
-use ui::{prelude::*, ButtonLike, PopoverMenuHandle, Tooltip};
-
-use crate::ToggleModelSelector;
+use ui::{prelude::*, PopoverMenuHandle};

 pub struct AssistantModelSelector {
-    selector: Entity<LanguageModelSelector>,
    menu_handle: PopoverMenuHandle<LanguageModelSelector>,
    focus_handle: FocusHandle,
+    fs: Arc<dyn Fs>,
 }

 impl AssistantModelSelector {
    pub(crate) fn new(
        fs: Arc<dyn Fs>,
-        menu_handle: PopoverMenuHandle<LanguageModelSelector>,
        focus_handle: FocusHandle,
-        window: &mut Window,
-        cx: &mut App,
+        _window: &mut Window,
+        _cx: &mut App,
    ) -> Self {
        Self {
-            selector: cx.new(|cx| {
-                let fs = fs.clone();
-                LanguageModelSelector::new(
-                    move |model, cx| {
-                        update_settings_file::<AssistantSettings>(
-                            fs.clone(),
-                            cx,
-                            move |settings, _cx| settings.set_model(model.clone()),
-                        );
-                    },
-                    window,
-                    cx,
-                )
-            }),
-            menu_handle,
+            fs,
            focus_handle,
+            menu_handle: PopoverMenuHandle::default(),
        }
    }
+
+    pub fn toggle(&self, window: &mut Window, cx: &mut Context<Self>) {
+        self.menu_handle.toggle(window, cx);
+    }
 }

 impl Render for AssistantModelSelector {
-    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
-        let active_model = LanguageModelRegistry::read_global(cx).active_model();
-        let focus_handle = self.focus_handle.clone();
-        let model_name = match active_model {
-            Some(model) => model.name().0,
-            _ => SharedString::from("No model selected"),
-        };
-
-        LanguageModelSelectorPopoverMenu::new(
-            self.selector.clone(),
-            ButtonLike::new("active-model")
-                .style(ButtonStyle::Subtle)
-                .child(
-                    h_flex()
-                        .gap_0p5()
-                        .child(
-                            Label::new(model_name)
-                                .size(LabelSize::Small)
-                                .color(Color::Muted),
-                        )
-                        .child(
-                            Icon::new(IconName::ChevronDown)
-                                .color(Color::Muted)
-                                .size(IconSize::XSmall),
-                        ),
-                ),
-            move |window, cx| {
-                Tooltip::for_action_in(
-                    "Change Model",
-                    &ToggleModelSelector,
-                    &focus_handle,
-                    window,
+    fn render(&mut self, _: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+        let fs_clone = self.fs.clone();
+        assistant_language_model_selector(
+            self.focus_handle.clone(),
+            Some(self.menu_handle.clone()),
+            cx,
+            move |model, cx| {
+                update_settings_file::<AssistantSettings>(
+                    fs_clone.clone(),
                    cx,
-                )
+                    move |settings, _| settings.set_model(model.clone()),
+                );
            },
-            gpui::Corner::BottomRight,
        )
-        .with_handle(self.menu_handle.clone())
    }
 }
--- a/crates/assistant2/src/assistant_panel.rs
+++ b/crates/assistant2/src/assistant_panel.rs
@@ -14,13 +14,15 @@ use client::zed_urls;
 use editor::Editor;
 use fs::Fs;
 use gpui::{
-    prelude::*, px, svg, Action, AnyElement, App, AsyncWindowContext, Corner, Entity, EventEmitter,
-    FocusHandle, Focusable, FontWeight, Pixels, Subscription, Task, UpdateGlobal, WeakEntity,
+    prelude::*, Action, AnyElement, App, AsyncWindowContext, Corner, Entity, EventEmitter,
+    FocusHandle, Focusable, FontWeight, KeyContext, Pixels, Subscription, Task, UpdateGlobal,
+    WeakEntity,
 };
 use language::LanguageRegistry;
 use language_model::{LanguageModelProviderTosView, LanguageModelRegistry};
 use project::Project;
-use prompt_library::{open_prompt_library, PromptBuilder, PromptLibrary};
+use prompt_library::{open_prompt_library, PromptLibrary};
+use prompt_store::PromptBuilder;
 use settings::{update_settings_file, Settings};
 use time::UtcOffset;
 use ui::{prelude::*, ContextMenu, KeyBinding, PopoverMenu, PopoverMenuHandle, Tab, Tooltip};
@@ -458,6 +460,12 @@ impl AssistantPanel {
    pub(crate) fn active_context_editor(&self) -> Option<Entity<ContextEditor>> {
        self.context_editor.clone()
    }
+
+    pub(crate) fn delete_context(&mut self, path: PathBuf, cx: &mut Context<Self>) {
+        self.context_store
+            .update(cx, |this, cx| this.delete_local_context(path, cx))
+            .detach_and_log_err(cx);
+    }
 }

 impl Focusable for AssistantPanel {
@@ -590,7 +598,6 @@ impl AssistantPanel {

        h_flex()
            .id("assistant-toolbar")
-            .px(DynamicSpacing::Base08.rems(cx))
            .h(Tab::container_height(cx))
            .flex_none()
            .justify_between()
@@ -598,72 +605,86 @@ impl AssistantPanel {
            .bg(cx.theme().colors().tab_bar_background)
            .border_b_1()
            .border_color(cx.theme().colors().border)
+            .child(
+                div()
+                    .id("title")
+                    .overflow_x_scroll()
+                    .px(DynamicSpacing::Base08.rems(cx))
+                    .child(Label::new(title).truncate()),
+            )
            .child(
                h_flex()
-                    .w_full()
-                    .gap_1()
-                    .justify_between()
-                    .child(Label::new(title))
+                    .h_full()
+                    .pl_2()
+                    .gap_2()
+                    .bg(cx.theme().colors().tab_bar_background)
                    .children(if matches!(self.active_view, ActiveView::PromptEditor) {
                        self.context_editor
                            .as_ref()
                            .and_then(|editor| render_remaining_tokens(editor, cx))
                    } else {
                        None
-                    }),
-            )
-            .child(
-                h_flex()
-                    .h_full()
-                    .pl_1p5()
-                    .border_l_1()
-                    .border_color(cx.theme().colors().border)
-                    .gap(DynamicSpacing::Base02.rems(cx))
+                    })
                    .child(
-                        PopoverMenu::new("assistant-toolbar-new-popover-menu")
-                            .trigger_with_tooltip(
-                                IconButton::new("new", IconName::Plus)
-                                    .icon_size(IconSize::Small)
-                                    .style(ButtonStyle::Subtle),
-                                Tooltip::text("New…"),
-                            )
-                            .anchor(Corner::TopRight)
-                            .with_handle(self.new_item_context_menu_handle.clone())
-                            .menu(move |window, cx| {
-                                Some(ContextMenu::build(window, cx, |menu, _window, _cx| {
-                                    menu.action("New Thread", NewThread.boxed_clone())
-                                        .action("New Prompt Editor", NewPromptEditor.boxed_clone())
-                                }))
-                            }),
-                    )
-                    .child(
-                        IconButton::new("open-history", IconName::HistoryRerun)
-                            .icon_size(IconSize::Small)
-                            .style(ButtonStyle::Subtle)
-                            .tooltip({
-                                let focus_handle = self.focus_handle(cx);
-                                move |window, cx| {
-                                    Tooltip::for_action_in(
-                                        "History",
-                                        &OpenHistory,
-                                        &focus_handle,
-                                        window,
-                                        cx,
+                        h_flex()
+                            .h_full()
+                            .px(DynamicSpacing::Base08.rems(cx))
+                            .border_l_1()
+                            .border_color(cx.theme().colors().border)
+                            .gap(DynamicSpacing::Base02.rems(cx))
+                            .child(
+                                PopoverMenu::new("assistant-toolbar-new-popover-menu")
+                                    .trigger_with_tooltip(
+                                        IconButton::new("new", IconName::Plus)
+                                            .icon_size(IconSize::Small)
+                                            .style(ButtonStyle::Subtle),
+                                        Tooltip::text("New…"),
                                    )
-                                }
-                            })
-                            .on_click(move |_event, window, cx| {
-                                window.dispatch_action(OpenHistory.boxed_clone(), cx);
-                            }),
-                    )
-                    .child(
-                        IconButton::new("configure-assistant", IconName::Settings)
-                            .icon_size(IconSize::Small)
-                            .style(ButtonStyle::Subtle)
-                            .tooltip(Tooltip::text("Assistant Settings"))
-                            .on_click(move |_event, window, cx| {
-                                window.dispatch_action(OpenConfiguration.boxed_clone(), cx);
-                            }),
+                                    .anchor(Corner::TopRight)
+                                    .with_handle(self.new_item_context_menu_handle.clone())
+                                    .menu(move |window, cx| {
+                                        Some(ContextMenu::build(
+                                            window,
+                                            cx,
+                                            |menu, _window, _cx| {
+                                                menu.action("New Thread", NewThread.boxed_clone())
+                                                    .action(
+                                                        "New Prompt Editor",
+                                                        NewPromptEditor.boxed_clone(),
+                                                    )
+                                            },
+                                        ))
+                                    }),
+                            )
+                            .child(
+                                IconButton::new("open-history", IconName::HistoryRerun)
+                                    .icon_size(IconSize::Small)
+                                    .style(ButtonStyle::Subtle)
+                                    .tooltip({
+                                        let focus_handle = self.focus_handle(cx);
+                                        move |window, cx| {
+                                            Tooltip::for_action_in(
+                                                "History",
+                                                &OpenHistory,
+                                                &focus_handle,
+                                                window,
+                                                cx,
+                                            )
+                                        }
+                                    })
+                                    .on_click(move |_event, window, cx| {
+                                        window.dispatch_action(OpenHistory.boxed_clone(), cx);
+                                    }),
+                            )
+                            .child(
+                                IconButton::new("configure-assistant", IconName::Settings)
+                                    .icon_size(IconSize::Small)
+                                    .style(ButtonStyle::Subtle)
+                                    .tooltip(Tooltip::text("Assistant Settings"))
+                                    .on_click(move |_event, window, cx| {
+                                        window.dispatch_action(OpenConfiguration.boxed_clone(), cx);
+                                    }),
+                            ),
                    ),
            )
    }
@@ -705,12 +726,11 @@ impl AssistantPanel {
    ) -> impl IntoElement {
        let recent_history = self
            .history_store
-            .update(cx, |this, cx| this.recent_entries(3, cx));
+            .update(cx, |this, cx| this.recent_entries(6, cx));

        let create_welcome_heading = || {
            h_flex()
                .w_full()
-                .justify_center()
                .child(Headline::new("Welcome to the Assistant Panel").size(HeadlineSize::Small))
        };

@@ -718,36 +738,27 @@ impl AssistantPanel {
        let no_error = configuration_error.is_none();

        v_flex()
-            .gap_2()
-            .child(
-                v_flex().w_full().child(
-                    svg()
-                        .path("icons/logo_96.svg")
-                        .text_color(cx.theme().colors().text)
-                        .w(px(40.))
-                        .h(px(40.))
-                        .mx_auto()
-                        .mb_4(),
-                ),
-            )
+            .p_1p5()
+            .size_full()
+            .justify_end()
+            .gap_1()
            .map(|parent| {
                match configuration_error {
                    Some(ConfigurationError::ProviderNotAuthenticated)
                    | Some(ConfigurationError::NoProvider) => {
                        parent.child(
                            v_flex()
+                                .px_1p5()
                                .gap_0p5()
                                .child(create_welcome_heading())
                                .child(
-                                    h_flex().mb_2().w_full().justify_center().child(
-                                        Label::new(
-                                            "To start using the assistant, configure at least one LLM provider.",
-                                        )
-                                        .color(Color::Muted),
-                                    ),
+                                    Label::new(
+                                        "To start using the assistant, configure at least one LLM provider.",
+                                    )
+                                    .color(Color::Muted),
                                )
                                .child(
-                                    h_flex().w_full().justify_center().child(
+                                    h_flex().mt_1().w_full().child(
                                        Button::new("open-configuration", "Configure a Provider")
                                            .size(ButtonSize::Compact)
                                            .icon(Some(IconName::Sliders))
@@ -761,7 +772,7 @@ impl AssistantPanel {
                        )
                    }
                    Some(ConfigurationError::ProviderPendingTermsAcceptance(provider)) => parent
-                        .child(v_flex().gap_0p5().child(create_welcome_heading()).children(
+                        .child(v_flex().px_1p5().gap_0p5().child(create_welcome_heading()).children(
                            provider.render_accept_terms(
                                LanguageModelProviderTosView::ThreadEmptyState,
                                cx,
@@ -772,21 +783,40 @@ impl AssistantPanel {
            })
            .when(recent_history.is_empty() && no_error, |parent| {
                parent.child(v_flex().gap_0p5().child(create_welcome_heading()).child(
-                    h_flex().w_full().justify_center().child(
-                        Label::new("Start typing to chat with your codebase").color(Color::Muted),
-                    ),
+                    Label::new("Start typing to chat with your codebase").color(Color::Muted),
                ))
            })
            .when(!recent_history.is_empty(), |parent| {
                parent
                    .child(
-                        h_flex().w_full().justify_center().child(
-                            Label::new("Recent Threads:")
-                                .size(LabelSize::Small)
-                                .color(Color::Muted),
-                        ),
+                        h_flex()
+                            .pl_1p5()
+                            .pb_1()
+                            .w_full()
+                            .justify_between()
+                            .border_b_1()
+                            .border_color(cx.theme().colors().border_variant)
+                            .child(
+                                Label::new("Past Interactions")
+                                    .size(LabelSize::Small)
+                                    .color(Color::Muted),
+                            )
+                            .child(
+                                Button::new("view-history", "View All")
+                                    .style(ButtonStyle::Subtle)
+                                    .label_size(LabelSize::Small)
+                                    .key_binding(KeyBinding::for_action_in(
+                                        &OpenHistory,
+                                        &self.focus_handle(cx),
+                                        window,
+                                        cx,
+                                    ))
+                                    .on_click(move |_event, window, cx| {
+                                        window.dispatch_action(OpenHistory.boxed_clone(), cx);
+                                    }),
+                            ),
                    )
-                    .child(v_flex().mx_auto().w_4_5().gap_2().children(
+                    .child(v_flex().gap_1().children(
                        recent_history.into_iter().map(|entry| {
                            // TODO: Add keyboard navigation.
                            match entry {
@@ -801,22 +831,6 @@ impl AssistantPanel {
                            }
                        }),
                    ))
-                    .child(
-                        h_flex().w_full().justify_center().child(
-                            Button::new("view-all-past-threads", "View All Past Threads")
-                                .style(ButtonStyle::Subtle)
-                                .label_size(LabelSize::Small)
-                                .key_binding(KeyBinding::for_action_in(
-                                    &OpenHistory,
-                                    &self.focus_handle(cx),
-                                    window,
-                                    cx,
-                                ))
-                                .on_click(move |_event, window, cx| {
-                                    window.dispatch_action(OpenHistory.boxed_clone(), cx);
-                                }),
-                        ),
-                    )
            })
    }

@@ -980,12 +994,21 @@ impl AssistantPanel {
            )
            .into_any()
    }
+
+    fn key_context(&self) -> KeyContext {
+        let mut key_context = KeyContext::new_with_defaults();
+        key_context.add("AssistantPanel2");
+        if matches!(self.active_view, ActiveView::PromptEditor) {
+            key_context.add("prompt_editor");
+        }
+        key_context
+    }
 }

 impl Render for AssistantPanel {
    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
        v_flex()
-            .key_context("AssistantPanel2")
+            .key_context(self.key_context())
            .justify_between()
            .size_full()
            .on_action(cx.listener(Self::cancel))
--- a/crates/assistant2/src/buffer_codegen.rs
+++ b/crates/assistant2/src/buffer_codegen.rs
@@ -14,7 +14,7 @@ use language_model::{
 };
 use multi_buffer::MultiBufferRow;
 use parking_lot::Mutex;
-use prompt_library::PromptBuilder;
+use prompt_store::PromptBuilder;
 use rope::Rope;
 use smol::future::FutureExt;
 use std::{
--- a/crates/assistant2/src/inline_assistant.rs
+++ b/crates/assistant2/src/inline_assistant.rs
@@ -28,7 +28,7 @@ use language_model::{report_assistant_event, LanguageModelRegistry};
 use multi_buffer::MultiBufferRow;
 use parking_lot::Mutex;
 use project::{CodeAction, ProjectTransaction};
-use prompt_library::PromptBuilder;
+use prompt_store::PromptBuilder;
 use settings::{Settings, SettingsStore};
 use telemetry_events::{AssistantEvent, AssistantKind, AssistantPhase};
 use terminal_view::{terminal_panel::TerminalPanel, TerminalView};
--- a/crates/assistant2/src/inline_prompt_editor.rs
+++ b/crates/assistant2/src/inline_prompt_editor.rs
@@ -6,7 +6,7 @@ use crate::context_strip::{ContextStrip, ContextStripEvent, SuggestContextKind};
 use crate::terminal_codegen::TerminalCodegen;
 use crate::thread_store::ThreadStore;
 use crate::{CycleNextInlineAssist, CyclePreviousInlineAssist};
-use crate::{RemoveAllContext, ToggleContextPicker, ToggleModelSelector};
+use crate::{RemoveAllContext, ToggleContextPicker};
 use client::ErrorExt;
 use collections::VecDeque;
 use editor::{
@@ -20,7 +20,7 @@ use gpui::{
    EventEmitter, FocusHandle, Focusable, FontWeight, Subscription, TextStyle, WeakEntity, Window,
 };
 use language_model::{LanguageModel, LanguageModelRegistry};
-use language_model_selector::LanguageModelSelector;
+use language_model_selector::ToggleModelSelector;
 use parking_lot::Mutex;
 use settings::Settings;
 use std::cmp;
@@ -40,7 +40,6 @@ pub struct PromptEditor<T> {
    context_strip: Entity<ContextStrip>,
    context_picker_menu_handle: PopoverMenuHandle<ContextPicker>,
    model_selector: Entity<AssistantModelSelector>,
-    model_selector_menu_handle: PopoverMenuHandle<LanguageModelSelector>,
    edited_since_done: bool,
    prompt_history: VecDeque<String>,
    prompt_history_ix: Option<usize>,
@@ -104,7 +103,10 @@ impl<T: 'static> Render for PromptEditor<T> {
                    .items_start()
                    .cursor(CursorStyle::Arrow)
                    .on_action(cx.listener(Self::toggle_context_picker))
-                    .on_action(cx.listener(Self::toggle_model_selector))
+                    .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
+                        this.model_selector
+                            .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
+                    }))
                    .on_action(cx.listener(Self::confirm))
                    .on_action(cx.listener(Self::cancel))
                    .on_action(cx.listener(Self::move_up))
@@ -347,15 +349,6 @@ impl<T: 'static> PromptEditor<T> {
        self.context_picker_menu_handle.toggle(window, cx);
    }

-    fn toggle_model_selector(
-        &mut self,
-        _: &ToggleModelSelector,
-        window: &mut Window,
-        cx: &mut Context<Self>,
-    ) {
-        self.model_selector_menu_handle.toggle(window, cx);
-    }
-
    pub fn remove_all_context(
        &mut self,
        _: &RemoveAllContext,
@@ -864,7 +857,6 @@ impl PromptEditor<BufferCodegen> {
            editor
        });
        let context_picker_menu_handle = PopoverMenuHandle::default();
-        let model_selector_menu_handle = PopoverMenuHandle::default();

        let context_strip = cx.new(|cx| {
            ContextStrip::new(
@@ -888,15 +880,8 @@ impl PromptEditor<BufferCodegen> {
            context_strip,
            context_picker_menu_handle,
            model_selector: cx.new(|cx| {
-                AssistantModelSelector::new(
-                    fs,
-                    model_selector_menu_handle.clone(),
-                    prompt_editor.focus_handle(cx),
-                    window,
-                    cx,
-                )
+                AssistantModelSelector::new(fs, prompt_editor.focus_handle(cx), window, cx)
            }),
-            model_selector_menu_handle,
            edited_since_done: false,
            prompt_history,
            prompt_history_ix: None,
@@ -1020,7 +1005,6 @@ impl PromptEditor<TerminalCodegen> {
            editor
        });
        let context_picker_menu_handle = PopoverMenuHandle::default();
-        let model_selector_menu_handle = PopoverMenuHandle::default();

        let context_strip = cx.new(|cx| {
            ContextStrip::new(
@@ -1044,15 +1028,8 @@ impl PromptEditor<TerminalCodegen> {
            context_strip,
            context_picker_menu_handle,
            model_selector: cx.new(|cx| {
-                AssistantModelSelector::new(
-                    fs,
-                    model_selector_menu_handle.clone(),
-                    prompt_editor.focus_handle(cx),
-                    window,
-                    cx,
-                )
+                AssistantModelSelector::new(fs, prompt_editor.focus_handle(cx), window, cx)
            }),
-            model_selector_menu_handle,
            edited_since_done: false,
            prompt_history,
            prompt_history_ix: None,
--- a/crates/assistant2/src/message_editor.rs
+++ b/crates/assistant2/src/message_editor.rs
@@ -7,16 +7,18 @@ use gpui::{
    pulsating_between, Animation, AnimationExt, App, DismissEvent, Entity, Focusable, Subscription,
    TextStyle, WeakEntity,
 };
-use language_model::{LanguageModelRegistry, LanguageModelRequestTool};
-use language_model_selector::LanguageModelSelector;
+use language_model::LanguageModelRegistry;
+use language_model_selector::ToggleModelSelector;
 use rope::Point;
 use settings::Settings;
 use std::time::Duration;
 use text::Bias;
 use theme::ThemeSettings;
 use ui::{
-    prelude::*, ButtonLike, KeyBinding, PopoverMenu, PopoverMenuHandle, Switch, TintColor, Tooltip,
+    prelude::*, ButtonLike, KeyBinding, PlatformStyle, PopoverMenu, PopoverMenuHandle, Switch,
+    TintColor, Tooltip,
 };
+use vim_mode_setting::VimModeSetting;
 use workspace::Workspace;

 use crate::assistant_model_selector::AssistantModelSelector;
@@ -25,7 +27,7 @@ use crate::context_store::{refresh_context_store_text, ContextStore};
 use crate::context_strip::{ContextStrip, ContextStripEvent, SuggestContextKind};
 use crate::thread::{RequestKind, Thread};
 use crate::thread_store::ThreadStore;
-use crate::{Chat, ChatMode, RemoveAllContext, ToggleContextPicker, ToggleModelSelector};
+use crate::{Chat, ChatMode, RemoveAllContext, ToggleContextPicker};

 pub struct MessageEditor {
    thread: Entity<Thread>,
@@ -36,7 +38,6 @@ pub struct MessageEditor {
    inline_context_picker: Entity<ContextPicker>,
    inline_context_picker_menu_handle: PopoverMenuHandle<ContextPicker>,
    model_selector: Entity<AssistantModelSelector>,
-    model_selector_menu_handle: PopoverMenuHandle<LanguageModelSelector>,
    use_tools: bool,
    _subscriptions: Vec<Subscription>,
 }
@@ -53,7 +54,6 @@ impl MessageEditor {
        let context_store = cx.new(|_cx| ContextStore::new(workspace.clone()));
        let context_picker_menu_handle = PopoverMenuHandle::default();
        let inline_context_picker_menu_handle = PopoverMenuHandle::default();
-        let model_selector_menu_handle = PopoverMenuHandle::default();

        let editor = cx.new(|cx| {
            let mut editor = Editor::auto_height(10, window, cx);
@@ -106,30 +106,13 @@ impl MessageEditor {
            context_picker_menu_handle,
            inline_context_picker,
            inline_context_picker_menu_handle,
-            model_selector: cx.new(|cx| {
-                AssistantModelSelector::new(
-                    fs,
-                    model_selector_menu_handle.clone(),
-                    editor.focus_handle(cx),
-                    window,
-                    cx,
-                )
-            }),
-            model_selector_menu_handle,
+            model_selector: cx
+                .new(|cx| AssistantModelSelector::new(fs, editor.focus_handle(cx), window, cx)),
            use_tools: false,
            _subscriptions: subscriptions,
        }
    }

-    fn toggle_model_selector(
-        &mut self,
-        _: &ToggleModelSelector,
-        window: &mut Window,
-        cx: &mut Context<Self>,
-    ) {
-        self.model_selector_menu_handle.toggle(window, cx)
-    }
-
    fn toggle_chat_mode(&mut self, _: &ChatMode, _window: &mut Window, cx: &mut Context<Self>) {
        self.use_tools = !self.use_tools;
        cx.notify();
@@ -205,22 +188,7 @@ impl MessageEditor {
                .update(&mut cx, |thread, cx| {
                    let context = context_store.read(cx).snapshot(cx).collect::<Vec<_>>();
                    thread.insert_user_message(user_message, context, cx);
-                    let mut request = thread.to_completion_request(request_kind, cx);
-
-                    if use_tools {
-                        request.tools = thread
-                            .tools()
-                            .tools(cx)
-                            .into_iter()
-                            .map(|tool| LanguageModelRequestTool {
-                                name: tool.name(),
-                                description: tool.description(),
-                                input_schema: tool.input_schema(),
-                            })
-                            .collect();
-                    }
-
-                    thread.stream_completion(request, model, cx)
+                    thread.send_to_model(model, request_kind, use_tools, cx);
                })
                .ok();
        })
@@ -309,7 +277,6 @@ impl Render for MessageEditor {
        let inline_context_picker = self.inline_context_picker.clone();
        let bg_color = cx.theme().colors().editor_background;
        let is_streaming_completion = self.thread.read(cx).is_streaming();
-        let button_width = px(64.);
        let is_model_selected = self.is_model_selected(cx);
        let is_editor_empty = self.is_editor_empty(cx);
        let submit_label_color = if is_editor_empty {
@@ -318,10 +285,23 @@ impl Render for MessageEditor {
            Color::Default
        };

+        let vim_mode_enabled = VimModeSetting::get_global(cx).0;
+        let platform = PlatformStyle::platform();
+        let linux = platform == PlatformStyle::Linux;
+        let windows = platform == PlatformStyle::Windows;
+        let button_width = if linux || windows || vim_mode_enabled {
+            px(92.)
+        } else {
+            px(64.)
+        };
+
        v_flex()
            .key_context("MessageEditor")
            .on_action(cx.listener(Self::chat))
-            .on_action(cx.listener(Self::toggle_model_selector))
+            .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
+                this.model_selector
+                    .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
+            }))
            .on_action(cx.listener(Self::toggle_context_picker))
            .on_action(cx.listener(Self::remove_all_context))
            .on_action(cx.listener(Self::move_up))
@@ -333,7 +313,7 @@ impl Render for MessageEditor {
            .child(self.context_strip.clone())
            .child(
                v_flex()
-                    .gap_4()
+                    .gap_5()
                    .child({
                        let settings = ThemeSettings::get_global(cx);
                        let text_style = TextStyle {
--- a/crates/assistant2/src/terminal_codegen.rs
+++ b/crates/assistant2/src/terminal_codegen.rs
@@ -155,7 +155,10 @@ pub enum CodegenEvent {
    Finished,
 }

+#[cfg(not(target_os = "windows"))]
 pub const CLEAR_INPUT: &str = "\x15";
+#[cfg(target_os = "windows")]
+pub const CLEAR_INPUT: &str = "\x03";
 const CARRIAGE_RETURN: &str = "\x0d";

 struct TerminalTransaction {
--- a/crates/assistant2/src/terminal_inline_assistant.rs
+++ b/crates/assistant2/src/terminal_inline_assistant.rs
@@ -16,7 +16,7 @@ use language_model::{
    report_assistant_event, LanguageModelRegistry, LanguageModelRequest,
    LanguageModelRequestMessage, Role,
 };
-use prompt_library::PromptBuilder;
+use prompt_store::PromptBuilder;
 use std::sync::Arc;
 use telemetry_events::{AssistantEvent, AssistantKind, AssistantPhase};
 use terminal_view::TerminalView;
--- a/crates/assistant2/src/thread.rs
+++ b/crates/assistant2/src/thread.rs
@@ -4,12 +4,11 @@ use anyhow::Result;
 use assistant_tool::ToolWorkingSet;
 use chrono::{DateTime, Utc};
 use collections::{BTreeMap, HashMap, HashSet};
-use futures::future::Shared;
-use futures::{FutureExt as _, StreamExt as _};
+use futures::StreamExt as _;
 use gpui::{App, Context, EventEmitter, SharedString, Task};
 use language_model::{
    LanguageModel, LanguageModelCompletionEvent, LanguageModelRegistry, LanguageModelRequest,
-    LanguageModelRequestMessage, LanguageModelToolResult, LanguageModelToolUse,
+    LanguageModelRequestMessage, LanguageModelRequestTool, LanguageModelToolResult,
    LanguageModelToolUseId, MaxMonthlySpendReachedError, MessageContent, PaymentRequiredError,
    Role, StopReason,
 };
@@ -19,14 +18,17 @@ use uuid::Uuid;

 use crate::context::{attach_context_to_message, ContextId, ContextSnapshot};
 use crate::thread_store::SavedThread;
+use crate::tool_use::{PendingToolUse, ToolUse, ToolUseState};

 #[derive(Debug, Clone, Copy)]
 pub enum RequestKind {
    Chat,
+    /// Used when summarizing a thread.
+    Summarize,
 }

 #[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Serialize, Deserialize)]
-pub struct ThreadId(Arc<str>);
+pub struct ThreadId(pub Arc<str>);

 impl ThreadId {
    pub fn new() -> Self {
@@ -41,7 +43,7 @@ impl std::fmt::Display for ThreadId {
 }

 #[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Clone, Copy, Serialize, Deserialize)]
-pub struct MessageId(usize);
+pub struct MessageId(pub(crate) usize);

 impl MessageId {
    fn post_inc(&mut self) -> Self {
@@ -70,9 +72,7 @@ pub struct Thread {
    completion_count: usize,
    pending_completions: Vec<PendingCompletion>,
    tools: Arc<ToolWorkingSet>,
-    tool_uses_by_message: HashMap<MessageId, Vec<LanguageModelToolUse>>,
-    tool_results_by_message: HashMap<MessageId, Vec<LanguageModelToolResult>>,
-    pending_tool_uses_by_id: HashMap<LanguageModelToolUseId, PendingToolUse>,
+    tool_use: ToolUseState,
 }

 impl Thread {
@@ -89,9 +89,7 @@ impl Thread {
            completion_count: 0,
            pending_completions: Vec::new(),
            tools,
-            tool_uses_by_message: HashMap::default(),
-            tool_results_by_message: HashMap::default(),
-            pending_tool_uses_by_id: HashMap::default(),
+            tool_use: ToolUseState::new(),
        }
    }

@@ -101,7 +99,14 @@ impl Thread {
        tools: Arc<ToolWorkingSet>,
        _cx: &mut Context<Self>,
    ) -> Self {
-        let next_message_id = MessageId(saved.messages.len());
+        let next_message_id = MessageId(
+            saved
+                .messages
+                .last()
+                .map(|message| message.id.0 + 1)
+                .unwrap_or(0),
+        );
+        let tool_use = ToolUseState::from_saved_messages(&saved.messages);

        Self {
            id,
@@ -123,9 +128,7 @@ impl Thread {
            completion_count: 0,
            pending_completions: Vec::new(),
            tools,
-            tool_uses_by_message: HashMap::default(),
-            tool_results_by_message: HashMap::default(),
-            pending_tool_uses_by_id: HashMap::default(),
+            tool_use,
        }
    }

@@ -187,7 +190,19 @@ impl Thread {
    }

    pub fn pending_tool_uses(&self) -> Vec<&PendingToolUse> {
-        self.pending_tool_uses_by_id.values().collect()
+        self.tool_use.pending_tool_uses()
+    }
+
+    pub fn tool_uses_for_message(&self, id: MessageId) -> Vec<ToolUse> {
+        self.tool_use.tool_uses_for_message(id)
+    }
+
+    pub fn tool_results_for_message(&self, id: MessageId) -> Vec<&LanguageModelToolResult> {
+        self.tool_use.tool_results_for_message(id)
+    }
+
+    pub fn message_has_tool_results(&self, message_id: MessageId) -> bool {
+        self.tool_use.message_has_tool_results(message_id)
    }

    pub fn insert_user_message(
@@ -220,6 +235,34 @@ impl Thread {
        id
    }

+    pub fn edit_message(
+        &mut self,
+        id: MessageId,
+        new_role: Role,
+        new_text: String,
+        cx: &mut Context<Self>,
+    ) -> bool {
+        let Some(message) = self.messages.iter_mut().find(|message| message.id == id) else {
+            return false;
+        };
+        message.role = new_role;
+        message.text = new_text;
+        self.touch_updated_at();
+        cx.emit(ThreadEvent::MessageEdited(id));
+        true
+    }
+
+    pub fn delete_message(&mut self, id: MessageId, cx: &mut Context<Self>) -> bool {
+        let Some(index) = self.messages.iter().position(|message| message.id == id) else {
+            return false;
+        };
+        self.messages.remove(index);
+        self.context_by_message.remove(&id);
+        self.touch_updated_at();
+        cx.emit(ThreadEvent::MessageDeleted(id));
+        true
+    }
+
    /// Returns the representation of this [`Thread`] in a textual form.
    ///
    /// This is the representation we use when attaching a thread as context to another thread.
@@ -241,9 +284,34 @@ impl Thread {
        text
    }

+    pub fn send_to_model(
+        &mut self,
+        model: Arc<dyn LanguageModel>,
+        request_kind: RequestKind,
+        use_tools: bool,
+        cx: &mut Context<Self>,
+    ) {
+        let mut request = self.to_completion_request(request_kind, cx);
+
+        if use_tools {
+            request.tools = self
+                .tools()
+                .tools(cx)
+                .into_iter()
+                .map(|tool| LanguageModelRequestTool {
+                    name: tool.name(),
+                    description: tool.description(),
+                    input_schema: tool.input_schema(),
+                })
+                .collect();
+        }
+
+        self.stream_completion(request, model, cx);
+    }
+
    pub fn to_completion_request(
        &self,
-        _request_kind: RequestKind,
+        request_kind: RequestKind,
        _cx: &App,
    ) -> LanguageModelRequest {
        let mut request = LanguageModelRequest {
@@ -265,12 +333,13 @@ impl Thread {
                content: Vec::new(),
                cache: false,
            };
-
-            if let Some(tool_results) = self.tool_results_by_message.get(&message.id) {
-                for tool_result in tool_results {
-                    request_message
-                        .content
-                        .push(MessageContent::ToolResult(tool_result.clone()));
+            match request_kind {
+                RequestKind::Chat => {
+                    self.tool_use
+                        .attach_tool_results(message.id, &mut request_message);
+                }
+                RequestKind::Summarize => {
+                    // We don't care about tool use during summarization.
                }
            }

@@ -280,11 +349,13 @@ impl Thread {
                    .push(MessageContent::Text(message.text.clone()));
            }

-            if let Some(tool_uses) = self.tool_uses_by_message.get(&message.id) {
-                for tool_use in tool_uses {
-                    request_message
-                        .content
-                        .push(MessageContent::ToolUse(tool_use.clone()));
+            match request_kind {
+                RequestKind::Chat => {
+                    self.tool_use
+                        .attach_tool_uses(message.id, &mut request_message);
+                }
+                RequestKind::Summarize => {
+                    // We don't care about tool use during summarization.
                }
            }

@@ -360,21 +431,8 @@ impl Thread {
                                    .rfind(|message| message.role == Role::Assistant)
                                {
                                    thread
-                                        .tool_uses_by_message
-                                        .entry(last_assistant_message.id)
-                                        .or_default()
-                                        .push(tool_use.clone());
-
-                                    thread.pending_tool_uses_by_id.insert(
-                                        tool_use.id.clone(),
-                                        PendingToolUse {
-                                            assistant_message_id: last_assistant_message.id,
-                                            id: tool_use.id,
-                                            name: tool_use.name,
-                                            input: tool_use.input,
-                                            status: PendingToolUseStatus::Idle,
-                                        },
-                                    );
+                                        .tool_use
+                                        .request_tool_use(last_assistant_message.id, tool_use);
                                }
                            }
                        }
@@ -451,7 +509,7 @@ impl Thread {
            return;
        }

-        let mut request = self.to_completion_request(RequestKind::Chat, cx);
+        let mut request = self.to_completion_request(RequestKind::Summarize, cx);
        request.messages.push(LanguageModelRequestMessage {
            role: Role::User,
            content: vec![
@@ -494,7 +552,6 @@ impl Thread {

    pub fn insert_tool_output(
        &mut self,
-        assistant_message_id: MessageId,
        tool_use_id: LanguageModelToolUseId,
        output: Task<Result<String>>,
        cx: &mut Context<Self>,
@@ -505,50 +562,18 @@ impl Thread {
                let output = output.await;
                thread
                    .update(&mut cx, |thread, cx| {
-                        // The tool use was requested by an Assistant message,
-                        // so we want to attach the tool results to the next
-                        // user message.
-                        let next_user_message = MessageId(assistant_message_id.0 + 1);
+                        thread
+                            .tool_use
+                            .insert_tool_output(tool_use_id.clone(), output);

-                        let tool_results = thread
-                            .tool_results_by_message
-                            .entry(next_user_message)
-                            .or_default();
-
-                        match output {
-                            Ok(output) => {
-                                tool_results.push(LanguageModelToolResult {
-                                    tool_use_id: tool_use_id.to_string(),
-                                    content: output,
-                                    is_error: false,
-                                });
-
-                                cx.emit(ThreadEvent::ToolFinished { tool_use_id });
-                            }
-                            Err(err) => {
-                                tool_results.push(LanguageModelToolResult {
-                                    tool_use_id: tool_use_id.to_string(),
-                                    content: err.to_string(),
-                                    is_error: true,
-                                });
-
-                                if let Some(tool_use) =
-                                    thread.pending_tool_uses_by_id.get_mut(&tool_use_id)
-                                {
-                                    tool_use.status = PendingToolUseStatus::Error(err.to_string());
-                                }
-                            }
-                        }
+                        cx.emit(ThreadEvent::ToolFinished { tool_use_id });
                    })
                    .ok();
            }
        });

-        if let Some(tool_use) = self.pending_tool_uses_by_id.get_mut(&tool_use_id) {
-            tool_use.status = PendingToolUseStatus::Running {
-                _task: insert_output_task.shared(),
-            };
-        }
+        self.tool_use
+            .run_pending_tool(tool_use_id, insert_output_task);
    }

    /// Cancels the last pending completion, if there are any pending.
@@ -576,6 +601,8 @@ pub enum ThreadEvent {
    StreamedCompletion,
    StreamedAssistantText(MessageId, String),
    MessageAdded(MessageId),
+    MessageEdited(MessageId),
+    MessageDeleted(MessageId),
    SummaryChanged,
    UsePendingTools,
    ToolFinished {
@@ -590,26 +617,3 @@ struct PendingCompletion {
    id: usize,
    _task: Task<()>,
 }
-
-#[derive(Debug, Clone)]
-pub struct PendingToolUse {
-    pub id: LanguageModelToolUseId,
-    /// The ID of the Assistant message in which the tool use was requested.
-    pub assistant_message_id: MessageId,
-    pub name: String,
-    pub input: serde_json::Value,
-    pub status: PendingToolUseStatus,
-}
-
-#[derive(Debug, Clone)]
-pub enum PendingToolUseStatus {
-    Idle,
-    Running { _task: Shared<Task<()>> },
-    Error(#[allow(unused)] String),
-}
-
-impl PendingToolUseStatus {
-    pub fn is_idle(&self) -> bool {
-        matches!(self, PendingToolUseStatus::Idle)
-    }
-}
--- a/crates/assistant2/src/thread_history.rs
+++ b/crates/assistant2/src/thread_history.rs
@@ -33,9 +33,9 @@ impl ThreadHistory {
        }
    }

-    pub fn select_prev(
+    pub fn select_previous(
        &mut self,
-        _: &menu::SelectPrev,
+        _: &menu::SelectPrevious,
        window: &mut Window,
        cx: &mut Context<Self>,
    ) {
@@ -134,7 +134,13 @@ impl ThreadHistory {
                        })
                        .ok();
                }
-                HistoryEntry::Context(_context) => {}
+                HistoryEntry::Context(context) => {
+                    self.assistant_panel
+                        .update(cx, |this, cx| {
+                            this.delete_context(context.path.clone(), cx);
+                        })
+                        .ok();
+                }
            }

            cx.notify();
@@ -160,7 +166,7 @@ impl Render for ThreadHistory {
            .overflow_y_scroll()
            .size_full()
            .p_1()
-            .on_action(cx.listener(Self::select_prev))
+            .on_action(cx.listener(Self::select_previous))
            .on_action(cx.listener(Self::select_next))
            .on_action(cx.listener(Self::select_first))
            .on_action(cx.listener(Self::select_last))
@@ -248,18 +254,28 @@ impl RenderOnce for PastThread {
        );

        ListItem::new(SharedString::from(self.thread.id.to_string()))
-            .outlined()
+            .rounded()
            .toggle_state(self.selected)
-            .start_slot(
-                Icon::new(IconName::MessageCircle)
-                    .size(IconSize::Small)
-                    .color(Color::Muted),
-            )
            .spacing(ListItemSpacing::Sparse)
-            .child(Label::new(summary).size(LabelSize::Small).text_ellipsis())
+            .start_slot(
+                div()
+                    .max_w_4_5()
+                    .child(Label::new(summary).size(LabelSize::Small).truncate()),
+            )
            .end_slot(
                h_flex()
                    .gap_1p5()
+                    .child(
+                        Label::new("Thread")
+                            .color(Color::Muted)
+                            .size(LabelSize::XSmall),
+                    )
+                    .child(
+                        div()
+                            .size(px(3.))
+                            .rounded_full()
+                            .bg(cx.theme().colors().text_disabled),
+                    )
                    .child(
                        Label::new(thread_timestamp)
                            .color(Color::Muted)
@@ -334,21 +350,50 @@ impl RenderOnce for PastContext {
        ListItem::new(SharedString::from(
            self.context.path.to_string_lossy().to_string(),
        ))
-        .outlined()
+        .rounded()
        .toggle_state(self.selected)
-        .start_slot(
-            Icon::new(IconName::Code)
-                .size(IconSize::Small)
-                .color(Color::Muted),
-        )
        .spacing(ListItemSpacing::Sparse)
-        .child(Label::new(summary).size(LabelSize::Small).text_ellipsis())
+        .start_slot(
+            div()
+                .max_w_4_5()
+                .child(Label::new(summary).size(LabelSize::Small).truncate()),
+        )
        .end_slot(
-            h_flex().gap_1p5().child(
-                Label::new(context_timestamp)
-                    .color(Color::Muted)
-                    .size(LabelSize::XSmall),
-            ),
+            h_flex()
+                .gap_1p5()
+                .child(
+                    Label::new("Prompt Editor")
+                        .color(Color::Muted)
+                        .size(LabelSize::XSmall),
+                )
+                .child(
+                    div()
+                        .size(px(3.))
+                        .rounded_full()
+                        .bg(cx.theme().colors().text_disabled),
+                )
+                .child(
+                    Label::new(context_timestamp)
+                        .color(Color::Muted)
+                        .size(LabelSize::XSmall),
+                )
+                .child(
+                    IconButton::new("delete", IconName::TrashAlt)
+                        .shape(IconButtonShape::Square)
+                        .icon_size(IconSize::XSmall)
+                        .tooltip(Tooltip::text("Delete Prompt Editor"))
+                        .on_click({
+                            let assistant_panel = self.assistant_panel.clone();
+                            let path = self.context.path.clone();
+                            move |_event, _window, cx| {
+                                assistant_panel
+                                    .update(cx, |this, cx| {
+                                        this.delete_context(path.clone(), cx);
+                                    })
+                                    .ok();
+                            }
+                        }),
+                ),
        )
        .on_click({
            let assistant_panel = self.assistant_panel.clone();
--- a/crates/assistant2/src/thread_store.rs
+++ b/crates/assistant2/src/thread_store.rs
@@ -12,9 +12,9 @@ use futures::FutureExt as _;
 use gpui::{
    prelude::*, App, BackgroundExecutor, Context, Entity, Global, ReadGlobal, SharedString, Task,
 };
-use heed::types::SerdeBincode;
+use heed::types::{SerdeBincode, SerdeJson};
 use heed::Database;
-use language_model::Role;
+use language_model::{LanguageModelToolUseId, Role};
 use project::Project;
 use serde::{Deserialize, Serialize};
 use util::ResultExt as _;
@@ -113,6 +113,24 @@ impl ThreadStore {
                        id: message.id,
                        role: message.role,
                        text: message.text.clone(),
+                        tool_uses: thread
+                            .tool_uses_for_message(message.id)
+                            .into_iter()
+                            .map(|tool_use| SavedToolUse {
+                                id: tool_use.id,
+                                name: tool_use.name,
+                                input: tool_use.input,
+                            })
+                            .collect(),
+                        tool_results: thread
+                            .tool_results_for_message(message.id)
+                            .into_iter()
+                            .map(|tool_result| SavedToolResult {
+                                tool_use_id: tool_result.tool_use_id.clone(),
+                                is_error: tool_result.is_error,
+                                content: tool_result.content.clone(),
+                            })
+                            .collect(),
                    })
                    .collect(),
            };
@@ -239,11 +257,29 @@ pub struct SavedThread {
    pub messages: Vec<SavedMessage>,
 }

-#[derive(Serialize, Deserialize)]
+#[derive(Debug, Serialize, Deserialize)]
 pub struct SavedMessage {
    pub id: MessageId,
    pub role: Role,
    pub text: String,
+    #[serde(default)]
+    pub tool_uses: Vec<SavedToolUse>,
+    #[serde(default)]
+    pub tool_results: Vec<SavedToolResult>,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct SavedToolUse {
+    pub id: LanguageModelToolUseId,
+    pub name: SharedString,
+    pub input: serde_json::Value,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct SavedToolResult {
+    pub tool_use_id: LanguageModelToolUseId,
+    pub is_error: bool,
+    pub content: Arc<str>,
 }

 struct GlobalThreadsDatabase(
@@ -255,7 +291,7 @@ impl Global for GlobalThreadsDatabase {}
 pub(crate) struct ThreadsDatabase {
    executor: BackgroundExecutor,
    env: heed::Env,
-    threads: Database<SerdeBincode<ThreadId>, SerdeBincode<SavedThread>>,
+    threads: Database<SerdeBincode<ThreadId>, SerdeJson<SavedThread>>,
 }

 impl ThreadsDatabase {
@@ -270,7 +306,7 @@ impl ThreadsDatabase {
        let database_future = executor
            .spawn({
                let executor = executor.clone();
-                let database_path = paths::support_dir().join("threads/threads-db.0.mdb");
+                let database_path = paths::support_dir().join("threads/threads-db.1.mdb");
                async move { ThreadsDatabase::new(database_path, executor) }
            })
            .then(|result| future::ready(result.map(Arc::new).map_err(Arc::new)))
--- a/crates/assistant2/src/tool_use.rs
+++ b/crates/assistant2/src/tool_use.rs
@@ -0,0 +1,291 @@
+use std::sync::Arc;
+
+use anyhow::Result;
+use collections::HashMap;
+use futures::future::Shared;
+use futures::FutureExt as _;
+use gpui::{SharedString, Task};
+use language_model::{
+    LanguageModelRequestMessage, LanguageModelToolResult, LanguageModelToolUse,
+    LanguageModelToolUseId, MessageContent, Role,
+};
+
+use crate::thread::MessageId;
+use crate::thread_store::SavedMessage;
+
+#[derive(Debug)]
+pub struct ToolUse {
+    pub id: LanguageModelToolUseId,
+    pub name: SharedString,
+    pub status: ToolUseStatus,
+    pub input: serde_json::Value,
+}
+
+#[derive(Debug, Clone)]
+pub enum ToolUseStatus {
+    Pending,
+    Running,
+    Finished(SharedString),
+    Error(SharedString),
+}
+
+pub struct ToolUseState {
+    tool_uses_by_assistant_message: HashMap<MessageId, Vec<LanguageModelToolUse>>,
+    tool_uses_by_user_message: HashMap<MessageId, Vec<LanguageModelToolUseId>>,
+    tool_results: HashMap<LanguageModelToolUseId, LanguageModelToolResult>,
+    pending_tool_uses_by_id: HashMap<LanguageModelToolUseId, PendingToolUse>,
+}
+
+impl ToolUseState {
+    pub fn new() -> Self {
+        Self {
+            tool_uses_by_assistant_message: HashMap::default(),
+            tool_uses_by_user_message: HashMap::default(),
+            tool_results: HashMap::default(),
+            pending_tool_uses_by_id: HashMap::default(),
+        }
+    }
+
+    pub fn from_saved_messages(messages: &[SavedMessage]) -> Self {
+        let mut this = Self::new();
+
+        for message in messages {
+            match message.role {
+                Role::Assistant => {
+                    if !message.tool_uses.is_empty() {
+                        this.tool_uses_by_assistant_message.insert(
+                            message.id,
+                            message
+                                .tool_uses
+                                .iter()
+                                .map(|tool_use| LanguageModelToolUse {
+                                    id: tool_use.id.clone(),
+                                    name: tool_use.name.clone().into(),
+                                    input: tool_use.input.clone(),
+                                })
+                                .collect(),
+                        );
+                    }
+                }
+                Role::User => {
+                    if !message.tool_results.is_empty() {
+                        let tool_uses_by_user_message = this
+                            .tool_uses_by_user_message
+                            .entry(message.id)
+                            .or_default();
+
+                        for tool_result in &message.tool_results {
+                            let tool_use_id = tool_result.tool_use_id.clone();
+
+                            tool_uses_by_user_message.push(tool_use_id.clone());
+                            this.tool_results.insert(
+                                tool_use_id.clone(),
+                                LanguageModelToolResult {
+                                    tool_use_id,
+                                    is_error: tool_result.is_error,
+                                    content: tool_result.content.clone(),
+                                },
+                            );
+                        }
+                    }
+                }
+                Role::System => {}
+            }
+        }
+
+        this
+    }
+
+    pub fn pending_tool_uses(&self) -> Vec<&PendingToolUse> {
+        self.pending_tool_uses_by_id.values().collect()
+    }
+
+    pub fn tool_uses_for_message(&self, id: MessageId) -> Vec<ToolUse> {
+        let Some(tool_uses_for_message) = &self.tool_uses_by_assistant_message.get(&id) else {
+            return Vec::new();
+        };
+
+        let mut tool_uses = Vec::new();
+
+        for tool_use in tool_uses_for_message.iter() {
+            let tool_result = self.tool_results.get(&tool_use.id);
+
+            let status = (|| {
+                if let Some(tool_result) = tool_result {
+                    return if tool_result.is_error {
+                        ToolUseStatus::Error(tool_result.content.clone().into())
+                    } else {
+                        ToolUseStatus::Finished(tool_result.content.clone().into())
+                    };
+                }
+
+                if let Some(pending_tool_use) = self.pending_tool_uses_by_id.get(&tool_use.id) {
+                    return match pending_tool_use.status {
+                        PendingToolUseStatus::Idle => ToolUseStatus::Pending,
+                        PendingToolUseStatus::Running { .. } => ToolUseStatus::Running,
+                        PendingToolUseStatus::Error(ref err) => {
+                            ToolUseStatus::Error(err.clone().into())
+                        }
+                    };
+                }
+
+                ToolUseStatus::Pending
+            })();
+
+            tool_uses.push(ToolUse {
+                id: tool_use.id.clone(),
+                name: tool_use.name.clone().into(),
+                input: tool_use.input.clone(),
+                status,
+            })
+        }
+
+        tool_uses
+    }
+
+    pub fn tool_results_for_message(&self, message_id: MessageId) -> Vec<&LanguageModelToolResult> {
+        let empty = Vec::new();
+
+        self.tool_uses_by_user_message
+            .get(&message_id)
+            .unwrap_or(&empty)
+            .iter()
+            .filter_map(|tool_use_id| self.tool_results.get(&tool_use_id))
+            .collect()
+    }
+
+    pub fn message_has_tool_results(&self, message_id: MessageId) -> bool {
+        self.tool_uses_by_user_message
+            .get(&message_id)
+            .map_or(false, |results| !results.is_empty())
+    }
+
+    pub fn request_tool_use(
+        &mut self,
+        assistant_message_id: MessageId,
+        tool_use: LanguageModelToolUse,
+    ) {
+        self.tool_uses_by_assistant_message
+            .entry(assistant_message_id)
+            .or_default()
+            .push(tool_use.clone());
+
+        // The tool use is being requested by the Assistant, so we want to
+        // attach the tool results to the next user message.
+        let next_user_message_id = MessageId(assistant_message_id.0 + 1);
+        self.tool_uses_by_user_message
+            .entry(next_user_message_id)
+            .or_default()
+            .push(tool_use.id.clone());
+
+        self.pending_tool_uses_by_id.insert(
+            tool_use.id.clone(),
+            PendingToolUse {
+                assistant_message_id,
+                id: tool_use.id,
+                name: tool_use.name,
+                input: tool_use.input,
+                status: PendingToolUseStatus::Idle,
+            },
+        );
+    }
+
+    pub fn run_pending_tool(&mut self, tool_use_id: LanguageModelToolUseId, task: Task<()>) {
+        if let Some(tool_use) = self.pending_tool_uses_by_id.get_mut(&tool_use_id) {
+            tool_use.status = PendingToolUseStatus::Running {
+                _task: task.shared(),
+            };
+        }
+    }
+
+    pub fn insert_tool_output(
+        &mut self,
+        tool_use_id: LanguageModelToolUseId,
+        output: Result<String>,
+    ) {
+        match output {
+            Ok(output) => {
+                self.tool_results.insert(
+                    tool_use_id.clone(),
+                    LanguageModelToolResult {
+                        tool_use_id: tool_use_id.clone(),
+                        content: output.into(),
+                        is_error: false,
+                    },
+                );
+                self.pending_tool_uses_by_id.remove(&tool_use_id);
+            }
+            Err(err) => {
+                self.tool_results.insert(
+                    tool_use_id.clone(),
+                    LanguageModelToolResult {
+                        tool_use_id: tool_use_id.clone(),
+                        content: err.to_string().into(),
+                        is_error: true,
+                    },
+                );
+
+                if let Some(tool_use) = self.pending_tool_uses_by_id.get_mut(&tool_use_id) {
+                    tool_use.status = PendingToolUseStatus::Error(err.to_string().into());
+                }
+            }
+        }
+    }
+
+    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 {
+                request_message
+                    .content
+                    .push(MessageContent::ToolUse(tool_use.clone()));
+            }
+        }
+    }
+
+    pub fn attach_tool_results(
+        &self,
+        message_id: MessageId,
+        request_message: &mut LanguageModelRequestMessage,
+    ) {
+        if let Some(tool_uses) = self.tool_uses_by_user_message.get(&message_id) {
+            for tool_use_id in tool_uses {
+                if let Some(tool_result) = self.tool_results.get(tool_use_id) {
+                    request_message
+                        .content
+                        .push(MessageContent::ToolResult(tool_result.clone()));
+                }
+            }
+        }
+    }
+}
+
+#[derive(Debug, Clone)]
+pub struct PendingToolUse {
+    pub id: LanguageModelToolUseId,
+    /// The ID of the Assistant message in which the tool use was requested.
+    pub assistant_message_id: MessageId,
+    pub name: Arc<str>,
+    pub input: serde_json::Value,
+    pub status: PendingToolUseStatus,
+}
+
+#[derive(Debug, Clone)]
+pub enum PendingToolUseStatus {
+    Idle,
+    Running { _task: Shared<Task<()>> },
+    Error(#[allow(unused)] Arc<str>),
+}
+
+impl PendingToolUseStatus {
+    pub fn is_idle(&self) -> bool {
+        matches!(self, PendingToolUseStatus::Idle)
+    }
+
+    pub fn is_error(&self) -> bool {
+        matches!(self, PendingToolUseStatus::Error(_))
+    }
+}
--- a/crates/assistant_context_editor/Cargo.toml
+++ b/crates/assistant_context_editor/Cargo.toml
@@ -37,7 +37,7 @@ parking_lot.workspace = true
 paths.workspace = true
 picker.workspace = true
 project.workspace = true
-prompt_library.workspace = true
+prompt_store.workspace = true
 regex.workspace = true
 rope.workspace = true
 rpc.workspace = true
--- a/crates/assistant_context_editor/src/context.rs
+++ b/crates/assistant_context_editor/src/context.rs
@@ -27,7 +27,7 @@ use language_model::{
 use open_ai::Model as OpenAiModel;
 use paths::contexts_dir;
 use project::Project;
-use prompt_library::PromptBuilder;
+use prompt_store::PromptBuilder;
 use serde::{Deserialize, Serialize};
 use smallvec::SmallVec;
 use std::{
--- a/crates/assistant_context_editor/src/context/context_tests.rs
+++ b/crates/assistant_context_editor/src/context/context_tests.rs
@@ -20,7 +20,7 @@ use language_model::{LanguageModelCacheConfiguration, LanguageModelRegistry, Rol
 use parking_lot::Mutex;
 use pretty_assertions::assert_eq;
 use project::Project;
-use prompt_library::PromptBuilder;
+use prompt_store::PromptBuilder;
 use rand::prelude::*;
 use serde_json::json;
 use settings::SettingsStore;
@@ -671,7 +671,7 @@ async fn test_slash_commands(cx: &mut TestAppContext) {

 #[gpui::test]
 async fn test_workflow_step_parsing(cx: &mut TestAppContext) {
-    cx.update(prompt_library::init);
+    cx.update(prompt_store::init);
    let mut settings_store = cx.update(SettingsStore::test);
    cx.update(|cx| {
        settings_store
--- a/crates/assistant_context_editor/src/context_editor.rs
+++ b/crates/assistant_context_editor/src/context_editor.rs
@@ -29,19 +29,24 @@ use gpui::{
    WeakEntity,
 };
 use indexed_docs::IndexedDocsStore;
-use language::{language_settings::SoftWrap, BufferSnapshot, LspAdapterDelegate, ToOffset};
+use language::{
+    language_settings::{all_language_settings, SoftWrap},
+    BufferSnapshot, LspAdapterDelegate, ToOffset,
+};
 use language_model::{
    LanguageModelImage, LanguageModelProvider, LanguageModelProviderTosView, LanguageModelRegistry,
    Role,
 };
-use language_model_selector::{LanguageModelSelector, LanguageModelSelectorPopoverMenu};
+use language_model_selector::{
+    assistant_language_model_selector, LanguageModelSelector, ToggleModelSelector,
+};
 use multi_buffer::MultiBufferRow;
 use picker::Picker;
 use project::lsp_store::LocalLspAdapterDelegate;
 use project::{Project, Worktree};
 use rope::Point;
 use serde::{Deserialize, Serialize};
-use settings::{update_settings_file, Settings};
+use settings::{update_settings_file, Settings, SettingsStore};
 use std::{any::TypeId, borrow::Cow, cmp, ops::Range, path::PathBuf, sync::Arc, time::Duration};
 use text::SelectionGoal;
 use ui::{
@@ -49,7 +54,7 @@ use ui::{
    Tooltip,
 };
 use util::{maybe, ResultExt};
-use workspace::searchable::SearchableItemHandle;
+use workspace::searchable::{Direction, SearchableItemHandle};
 use workspace::{
    item::{self, FollowableItem, Item, ItemHandle},
    notifications::NotificationId,
@@ -77,7 +82,6 @@ actions!(
        InsertIntoEditor,
        QuoteSelection,
        Split,
-        ToggleModelSelector,
    ]
 );

@@ -193,8 +197,7 @@ pub struct ContextEditor {
    // the file is opened. In order to keep the worktree alive for the duration of the
    // context editor, we keep a reference here.
    dragged_file_worktrees: Vec<Entity<Worktree>>,
-    language_model_selector: Entity<LanguageModelSelector>,
-    language_model_selector_menu_handle: PopoverMenuHandle<LanguageModelSelector>,
+    language_model_selector: PopoverMenuHandle<LanguageModelSelector>,
 }

 pub const DEFAULT_TAB_TITLE: &str = "New Chat";
@@ -230,6 +233,13 @@ impl ContextEditor {
            editor.set_completion_provider(Some(Box::new(completion_provider)));
            editor.set_menu_inline_completions_policy(MenuInlineCompletionsPolicy::Never);
            editor.set_collaboration_hub(Box::new(project.clone()));
+
+            let show_edit_predictions = all_language_settings(None, cx)
+                .edit_predictions
+                .enabled_in_assistant;
+
+            editor.set_show_edit_predictions(Some(show_edit_predictions), window, cx);
+
            editor
        });

@@ -238,24 +248,9 @@ impl ContextEditor {
            cx.subscribe_in(&context, window, Self::handle_context_event),
            cx.subscribe_in(&editor, window, Self::handle_editor_event),
            cx.subscribe_in(&editor, window, Self::handle_editor_search_event),
+            cx.observe_global_in::<SettingsStore>(window, Self::settings_changed),
        ];

-        let fs_clone = fs.clone();
-        let language_model_selector = cx.new(|cx| {
-            LanguageModelSelector::new(
-                move |model, cx| {
-                    update_settings_file::<AssistantSettings>(
-                        fs_clone.clone(),
-                        cx,
-                        move |settings, _| settings.set_model(model.clone()),
-                    );
-                },
-                window,
-                cx,
-            )
-        });
-
-        let language_model_selector_menu_handle = PopoverMenuHandle::default();
        let sections = context.read(cx).slash_command_output_sections().to_vec();
        let patch_ranges = context.read(cx).patch_ranges().collect::<Vec<_>>();
        let slash_commands = context.read(cx).slash_commands().clone();
@@ -280,8 +275,7 @@ impl ContextEditor {
            show_accept_terms: false,
            slash_menu_handle: Default::default(),
            dragged_file_worktrees: Vec::new(),
-            language_model_selector,
-            language_model_selector_menu_handle,
+            language_model_selector: PopoverMenuHandle::default(),
        };
        this.update_message_headers(cx);
        this.update_image_blocks(cx);
@@ -290,6 +284,16 @@ impl ContextEditor {
        this
    }

+    fn settings_changed(&mut self, window: &mut Window, cx: &mut Context<Self>) {
+        self.editor.update(cx, |editor, cx| {
+            let show_edit_predictions = all_language_settings(None, cx)
+                .edit_predictions
+                .enabled_in_assistant;
+
+            editor.set_show_edit_predictions(Some(show_edit_predictions), window, cx);
+        });
+    }
+
    pub fn context(&self) -> &Entity<AssistantContext> {
        &self.context
    }
@@ -2024,15 +2028,6 @@ impl ContextEditor {
        });
    }

-    fn toggle_model_selector(
-        &mut self,
-        _: &ToggleModelSelector,
-        window: &mut Window,
-        cx: &mut Context<Self>,
-    ) {
-        self.language_model_selector_menu_handle.toggle(window, cx);
-    }
-
    fn save(&mut self, _: &Save, _window: &mut Window, cx: &mut Context<Self>) {
        self.context.update(cx, |context, cx| {
            context.save(Some(Duration::from_millis(500)), self.fs.clone(), cx)
@@ -2380,46 +2375,6 @@ impl ContextEditor {
        )
    }

-    fn render_language_model_selector(&self, cx: &mut Context<Self>) -> impl IntoElement {
-        let active_model = LanguageModelRegistry::read_global(cx).active_model();
-        let focus_handle = self.editor().focus_handle(cx).clone();
-        let model_name = match active_model {
-            Some(model) => model.name().0,
-            None => SharedString::from("No model selected"),
-        };
-
-        LanguageModelSelectorPopoverMenu::new(
-            self.language_model_selector.clone(),
-            ButtonLike::new("active-model")
-                .style(ButtonStyle::Subtle)
-                .child(
-                    h_flex()
-                        .gap_0p5()
-                        .child(
-                            Label::new(model_name)
-                                .size(LabelSize::Small)
-                                .color(Color::Muted),
-                        )
-                        .child(
-                            Icon::new(IconName::ChevronDown)
-                                .color(Color::Muted)
-                                .size(IconSize::XSmall),
-                        ),
-                ),
-            move |window, cx| {
-                Tooltip::for_action_in(
-                    "Change Model",
-                    &ToggleModelSelector,
-                    &focus_handle,
-                    window,
-                    cx,
-                )
-            },
-            gpui::Corner::BottomLeft,
-        )
-        .with_handle(self.language_model_selector_menu_handle.clone())
-    }
-
    fn render_last_error(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
        let last_error = self.last_error.as_ref()?;

@@ -2863,7 +2818,9 @@ impl Render for ContextEditor {
        } else {
            None
        };
+        let fs_clone = self.fs.clone();

+        let language_model_selector = self.language_model_selector.clone();
        v_flex()
            .key_context("ContextEditor")
            .capture_action(cx.listener(ContextEditor::cancel))
@@ -2876,7 +2833,9 @@ impl Render for ContextEditor {
            .on_action(cx.listener(ContextEditor::edit))
            .on_action(cx.listener(ContextEditor::assist))
            .on_action(cx.listener(ContextEditor::split))
-            .on_action(cx.listener(ContextEditor::toggle_model_selector))
+            .on_action(move |_: &ToggleModelSelector, window, cx| {
+                language_model_selector.toggle(window, cx);
+            })
            .size_full()
            .children(self.render_notice(cx))
            .child(
@@ -2914,11 +2873,18 @@ impl Render for ContextEditor {
                                .gap_1()
                                .child(self.render_inject_context_menu(cx))
                                .child(ui::Divider::vertical())
-                                .child(
-                                    div()
-                                        .pl_0p5()
-                                        .child(self.render_language_model_selector(cx)),
-                                ),
+                                .child(div().pl_0p5().child(assistant_language_model_selector(
+                                    self.editor().focus_handle(cx),
+                                    Some(self.language_model_selector.clone()),
+                                    cx,
+                                    move |model, cx| {
+                                        update_settings_file::<AssistantSettings>(
+                                            fs_clone.clone(),
+                                            cx,
+                                            move |settings, _| settings.set_model(model.clone()),
+                                        );
+                                    },
+                                ))),
                        )
                        .child(
                            h_flex()
@@ -3094,12 +3060,13 @@ impl SearchableItem for ContextEditor {

    fn active_match_index(
        &mut self,
+        direction: Direction,
        matches: &[Self::Match],
        window: &mut Window,
        cx: &mut Context<Self>,
    ) -> Option<usize> {
        self.editor.update(cx, |editor, cx| {
-            editor.active_match_index(matches, window, cx)
+            editor.active_match_index(direction, matches, window, cx)
        })
    }
 }
--- a/crates/assistant_context_editor/src/context_store.rs
+++ b/crates/assistant_context_editor/src/context_store.rs
@@ -9,14 +9,14 @@ use clock::ReplicaId;
 use collections::HashMap;
 use context_server::manager::ContextServerManager;
 use context_server::ContextServerFactoryRegistry;
-use fs::Fs;
+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 prompt_library::PromptBuilder;
+use prompt_store::PromptBuilder;
 use regex::Regex;
 use rpc::AnyProtoClient;
 use std::sync::LazyLock;
@@ -475,6 +475,38 @@ impl ContextStore {
        })
    }

+    pub fn delete_local_context(
+        &mut self,
+        path: PathBuf,
+        cx: &mut Context<Self>,
+    ) -> Task<Result<()>> {
+        let fs = self.fs.clone();
+
+        cx.spawn(|this, mut cx| async move {
+            fs.remove_file(
+                &path,
+                RemoveOptions {
+                    recursive: false,
+                    ignore_if_not_exists: true,
+                },
+            )
+            .await?;
+
+            this.update(&mut cx, |this, cx| {
+                this.contexts.retain(|context| {
+                    context
+                        .upgrade()
+                        .and_then(|context| context.read(cx).path())
+                        != Some(&path)
+                });
+                this.contexts_metadata
+                    .retain(|context| context.path != path);
+            })?;
+
+            Ok(())
+        })
+    }
+
    fn loaded_context_for_path(&self, path: &Path, cx: &App) -> Option<Entity<AssistantContext>> {
        self.contexts.iter().find_map(|context| {
            let context = context.upgrade()?;
--- a/crates/assistant_context_editor/src/slash_command_picker.rs
+++ b/crates/assistant_context_editor/src/slash_command_picker.rs
@@ -207,24 +207,31 @@ impl PickerDelegate for SlashCommandDelegate {
                            .child(
                                h_flex()
                                    .gap_1p5()
-                                    .child(Icon::new(info.icon).size(IconSize::XSmall))
-                                    .child(div().font_buffer(cx).child({
+                                    .child(
+                                        Icon::new(info.icon)
+                                            .size(IconSize::XSmall)
+                                            .color(Color::Muted),
+                                    )
+                                    .child({
                                        let mut label = format!("{}", info.name);
                                        if let Some(args) = info.args.as_ref().filter(|_| selected)
                                        {
                                            label.push_str(&args);
                                        }
-                                        Label::new(label).single_line().size(LabelSize::Small)
-                                    }))
+                                        Label::new(label)
+                                            .single_line()
+                                            .size(LabelSize::Small)
+                                            .buffer_font(cx)
+                                    })
                                    .children(info.args.clone().filter(|_| !selected).map(
                                        |args| {
                                            div()
-                                                .font_buffer(cx)
                                                .child(
                                                    Label::new(args)
                                                        .single_line()
                                                        .size(LabelSize::Small)
-                                                        .color(Color::Muted),
+                                                        .color(Color::Muted)
+                                                        .buffer_font(cx),
                                                )
                                                .visible_on_hover(format!(
                                                    "command-entry-label-{ix}"
@@ -236,7 +243,7 @@ impl PickerDelegate for SlashCommandDelegate {
                                Label::new(info.description.clone())
                                    .size(LabelSize::Small)
                                    .color(Color::Muted)
-                                    .text_ellipsis(),
+                                    .truncate(),
                            ),
                    ),
            ),
@@ -294,10 +301,9 @@ where
                                        .gap_1p5()
                                        .child(Icon::new(IconName::Plus).size(IconSize::XSmall))
                                        .child(
-                                            div().font_buffer(cx).child(
-                                                Label::new("create-your-command")
-                                                    .size(LabelSize::Small),
-                                            ),
+                                            Label::new("create-your-command")
+                                                .size(LabelSize::Small)
+                                                .buffer_font(cx),
                                        ),
                                )
                                .child(
@@ -341,7 +347,7 @@ where
            .anchor(gpui::Corner::BottomLeft)
            .offset(gpui::Point {
                x: px(0.0),
-                y: px(-16.0),
+                y: px(-2.0),
            })
            .when_some(handle, |this, handle| this.with_handle(handle))
    }
--- a/crates/assistant_slash_commands/Cargo.toml
+++ b/crates/assistant_slash_commands/Cargo.toml
@@ -32,7 +32,7 @@ language.workspace = true
 language_model.workspace = true
 log.workspace = true
 project.workspace = true
-prompt_library.workspace = true
+prompt_store.workspace = true
 rope.workspace = true
 schemars.workspace = true
 semantic_index.workspace = true
--- a/crates/assistant_slash_commands/src/default_command.rs
+++ b/crates/assistant_slash_commands/src/default_command.rs
@@ -5,7 +5,7 @@ use assistant_slash_command::{
 };
 use gpui::{Task, WeakEntity};
 use language::{BufferSnapshot, LspAdapterDelegate};
-use prompt_library::PromptStore;
+use prompt_store::PromptStore;
 use std::{
    fmt::Write,
    sync::{atomic::AtomicBool, Arc},
@@ -21,11 +21,11 @@ impl SlashCommand for DefaultSlashCommand {
    }

    fn description(&self) -> String {
-        "insert default prompt".into()
+        "Insert default prompt".into()
    }

    fn menu_text(&self) -> String {
-        "Insert Default Prompt".into()
+        self.description()
    }

    fn requires_argument(&self) -> bool {
--- a/crates/assistant_slash_commands/src/project_command.rs
+++ b/crates/assistant_slash_commands/src/project_command.rs
@@ -13,7 +13,7 @@ use feature_flags::FeatureFlag;
 use gpui::{App, Task, WeakEntity};
 use language::{Anchor, CodeLabel, LspAdapterDelegate};
 use language_model::{LanguageModelRegistry, LanguageModelTool};
-use prompt_library::PromptBuilder;
+use prompt_store::PromptBuilder;
 use schemars::JsonSchema;
 use semantic_index::SemanticDb;
 use serde::Deserialize;
--- a/crates/assistant_slash_commands/src/prompt_command.rs
+++ b/crates/assistant_slash_commands/src/prompt_command.rs
@@ -5,7 +5,7 @@ use assistant_slash_command::{
 };
 use gpui::{Task, WeakEntity};
 use language::{BufferSnapshot, LspAdapterDelegate};
-use prompt_library::PromptStore;
+use prompt_store::PromptStore;
 use std::sync::{atomic::AtomicBool, Arc};
 use ui::prelude::*;
 use workspace::Workspace;
--- a/crates/assistant_tool/Cargo.toml
+++ b/crates/assistant_tool/Cargo.toml
@@ -16,7 +16,9 @@ anyhow.workspace = true
 collections.workspace = true
 derive_more.workspace = true
 gpui.workspace = true
+language.workspace = true
 parking_lot.workspace = true
 serde.workspace = true
 serde_json.workspace = true
 workspace.workspace = true
+ui.workspace = true
--- a/crates/assistant_tool/src/assistant_tool.rs
+++ b/crates/assistant_tool/src/assistant_tool.rs
@@ -4,7 +4,16 @@ mod tool_working_set;
 use std::sync::Arc;

 use anyhow::Result;
+use gpui::AnyElement;
+use gpui::IntoElement;
 use gpui::{App, Task, WeakEntity, Window};
+use language::Language;
+use ui::div;
+use ui::Label;
+use ui::LabelCommon;
+use ui::LabelSize;
+use ui::ParentElement;
+use ui::SharedString;
 use workspace::Workspace;

 pub use crate::tool_registry::*;
@@ -31,8 +40,52 @@ pub trait Tool: 'static + Send + Sync {
    fn run(
        self: Arc<Self>,
        input: serde_json::Value,
+        thread_id: Arc<str>,
        workspace: WeakEntity<Workspace>,
        window: &mut Window,
        cx: &mut App,
    ) -> Task<Result<String>>;
+
+    /// Renders the tool's input when the user expands it.
+    fn render_input(
+        self: Arc<Self>,
+        input: serde_json::Value,
+        _lua_language: Option<Arc<Language>>,
+        _cx: &mut App,
+    ) -> AnyElement {
+        default_render_input(input)
+    }
+
+    /// Renders the tool's output when the user expands it.
+    fn render_output(self: Arc<Self>, output: SharedString, _cx: &mut App) -> AnyElement {
+        default_render_output(output)
+    }
+
+    /// Renders the tool's error message when the user expands it.
+    fn render_error(self: Arc<Self>, err: SharedString, _cx: &mut App) -> AnyElement {
+        default_render_error(err)
+    }
+}
+
+pub fn default_render_input(input: serde_json::Value) -> AnyElement {
+    div()
+        .child(Label::new("Input:").size(LabelSize::Small))
+        .child(Label::new(
+            serde_json::to_string_pretty(&input).unwrap_or_default(),
+        ))
+        .into_any_element()
+}
+
+pub fn default_render_output(output: SharedString) -> AnyElement {
+    div()
+        .child(Label::new("Result:").size(LabelSize::Small))
+        .child(Label::new(output))
+        .into_any_element()
+}
+
+pub fn default_render_error(err: SharedString) -> AnyElement {
+    div()
+        .child(Label::new("Error:").size(LabelSize::Small))
+        .child(Label::new(err))
+        .into_any_element()
 }
--- a/crates/assistant_tools/src/now_tool.rs
+++ b/crates/assistant_tools/src/now_tool.rs
@@ -1,11 +1,10 @@
-use std::sync::Arc;
-
 use anyhow::{anyhow, Result};
 use assistant_tool::Tool;
 use chrono::{Local, Utc};
 use gpui::{App, Task, WeakEntity, Window};
 use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
+use std::sync::Arc;

 #[derive(Debug, Serialize, Deserialize, JsonSchema)]
 #[serde(rename_all = "snake_case")]
@@ -41,6 +40,7 @@ impl Tool for NowTool {
    fn run(
        self: Arc<Self>,
        input: serde_json::Value,
+        _thread_id: Arc<str>,
        _workspace: WeakEntity<workspace::Workspace>,
        _window: &mut Window,
        _cx: &mut App,
--- a/crates/auto_update_ui/src/auto_update_ui.rs
+++ b/crates/auto_update_ui/src/auto_update_ui.rs
@@ -141,19 +141,20 @@ pub fn notify_if_app_was_updated(cx: &mut App) {
                    cx,
                    move |cx| {
                        let workspace_handle = cx.entity().downgrade();
-                        cx.new(|_cx| {
-                            MessageNotification::new(format!("Updated to {app_name} {}", version))
-                                .primary_message("View Release Notes")
-                                .primary_on_click(move |window, cx| {
-                                    if let Some(workspace) = workspace_handle.upgrade() {
-                                        workspace.update(cx, |workspace, cx| {
-                                            crate::view_release_notes_locally(
-                                                workspace, window, cx,
-                                            );
-                                        })
-                                    }
-                                    cx.emit(DismissEvent);
-                                })
+                        cx.new(|cx| {
+                            MessageNotification::new(
+                                format!("Updated to {app_name} {}", version),
+                                cx,
+                            )
+                            .primary_message("View Release Notes")
+                            .primary_on_click(move |window, cx| {
+                                if let Some(workspace) = workspace_handle.upgrade() {
+                                    workspace.update(cx, |workspace, cx| {
+                                        crate::view_release_notes_locally(workspace, window, cx);
+                                    })
+                                }
+                                cx.emit(DismissEvent);
+                            })
                        })
                    },
                );
--- a/crates/breadcrumbs/src/breadcrumbs.rs
+++ b/crates/breadcrumbs/src/breadcrumbs.rs
@@ -81,8 +81,8 @@ impl Render for Breadcrumbs {
            }
            text_style.color = Color::Muted.color(cx);

-            StyledText::new(segment.text.replace('\n', "␤"))
-                .with_highlights(&text_style, segment.highlights.unwrap_or_default())
+            StyledText::new(segment.text.replace('\n', "⏎"))
+                .with_default_highlights(&text_style, segment.highlights.unwrap_or_default())
                .into_any()
        });
        let breadcrumbs = Itertools::intersperse_with(highlighted_segments, || {
--- a/crates/buffer_diff/Cargo.toml
+++ b/crates/buffer_diff/Cargo.toml
@@ -16,6 +16,7 @@ test-support = []

 [dependencies]
 anyhow.workspace = true
+clock.workspace = true
 futures.workspace = true
 git2.workspace = true
 gpui.workspace = true
--- a/crates/buffer_diff/src/buffer_diff.rs
+++ b/crates/buffer_diff/src/buffer_diff.rs
@@ -1,11 +1,12 @@
-use futures::{channel::oneshot, future::OptionFuture};
+use futures::channel::oneshot;
 use git2::{DiffLineType as GitDiffLineType, DiffOptions as GitOptions, Patch as GitPatch};
-use gpui::{App, AppContext as _, AsyncApp, Context, Entity, EventEmitter};
+use gpui::{App, AppContext as _, AsyncApp, Context, Entity, EventEmitter, Task};
 use language::{Language, LanguageRegistry};
 use rope::Rope;
 use std::cmp::Ordering;
+use std::mem;
 use std::{future::Future, iter, ops::Range, sync::Arc};
-use sum_tree::SumTree;
+use sum_tree::{SumTree, TreeMap};
 use text::ToOffset as _;
 use text::{Anchor, Bias, BufferId, OffsetRangeExt, Point};
 use util::ResultExt;
@@ -20,13 +21,14 @@ pub struct BufferDiff {
 pub struct BufferDiffSnapshot {
    inner: BufferDiffInner,
    secondary_diff: Option<Box<BufferDiffSnapshot>>,
-    pub is_single_insertion: bool,
 }

 #[derive(Clone)]
 struct BufferDiffInner {
    hunks: SumTree<InternalDiffHunk>,
-    base_text: Option<language::BufferSnapshot>,
+    pending_hunks: TreeMap<usize, PendingHunk>,
+    base_text: language::BufferSnapshot,
+    base_text_exists: bool,
 }

 #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
@@ -47,23 +49,15 @@ pub enum DiffHunkSecondaryStatus {
    HasSecondaryHunk,
    OverlapsWithSecondaryHunk,
    None,
-}
-
-impl DiffHunkSecondaryStatus {
-    pub fn is_secondary(&self) -> bool {
-        match self {
-            DiffHunkSecondaryStatus::HasSecondaryHunk => true,
-            DiffHunkSecondaryStatus::OverlapsWithSecondaryHunk => true,
-            DiffHunkSecondaryStatus::None => false,
-        }
-    }
+    SecondaryHunkAdditionPending,
+    SecondaryHunkRemovalPending,
 }

 /// A diff hunk resolved to rows in the buffer.
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub struct DiffHunk {
-    /// The buffer range, expressed in terms of rows.
-    pub row_range: Range<u32>,
+    /// The buffer range as points.
+    pub range: Range<Point>,
    /// The range in the buffer to which this hunk corresponds.
    pub buffer_range: Range<Anchor>,
    /// The range in the buffer's diff base text to which this hunk corresponds.
@@ -78,6 +72,17 @@ struct InternalDiffHunk {
    diff_base_byte_range: Range<usize>,
 }

+#[derive(Debug, Clone, PartialEq, Eq)]
+struct PendingHunk {
+    buffer_version: clock::Global,
+    new_status: DiffHunkSecondaryStatus,
+}
+
+#[derive(Debug, Default, Clone)]
+pub struct DiffHunkSummary {
+    buffer_range: Range<Anchor>,
+}
+
 impl sum_tree::Item for InternalDiffHunk {
    type Summary = DiffHunkSummary;

@@ -88,11 +93,6 @@ impl sum_tree::Item for InternalDiffHunk {
    }
 }

-#[derive(Debug, Default, Clone)]
-pub struct DiffHunkSummary {
-    buffer_range: Range<Anchor>,
-}
-
 impl sum_tree::Summary for DiffHunkSummary {
    type Context = text::BufferSnapshot;

@@ -109,7 +109,7 @@ impl sum_tree::Summary for DiffHunkSummary {
    }
 }

-impl<'a> sum_tree::SeekTarget<'a, DiffHunkSummary, DiffHunkSummary> for Anchor {
+impl sum_tree::SeekTarget<'_, DiffHunkSummary, DiffHunkSummary> for Anchor {
    fn cmp(&self, cursor_location: &DiffHunkSummary, buffer: &text::BufferSnapshot) -> Ordering {
        if self
            .cmp(&cursor_location.buffer_range.start, buffer)
@@ -159,117 +159,166 @@ impl BufferDiffSnapshot {
        self.inner.hunks_intersecting_range_rev(range, buffer)
    }

-    pub fn base_text(&self) -> Option<&language::BufferSnapshot> {
-        self.inner.base_text.as_ref()
+    pub fn base_text(&self) -> &language::BufferSnapshot {
+        &self.inner.base_text
    }

    pub fn base_texts_eq(&self, other: &Self) -> bool {
-        match (other.base_text(), self.base_text()) {
-            (None, None) => true,
-            (None, Some(_)) => false,
-            (Some(_), None) => false,
-            (Some(old), Some(new)) => {
-                let (old_id, old_empty) = (old.remote_id(), old.is_empty());
-                let (new_id, new_empty) = (new.remote_id(), new.is_empty());
-                new_id == old_id || (new_empty && old_empty)
-            }
+        if self.inner.base_text_exists != other.inner.base_text_exists {
+            return false;
        }
+        let left = &self.inner.base_text;
+        let right = &other.inner.base_text;
+        let (old_id, old_empty) = (left.remote_id(), left.is_empty());
+        let (new_id, new_empty) = (right.remote_id(), right.is_empty());
+        new_id == old_id || (new_empty && old_empty)
    }
+}

-    pub fn new_secondary_text_for_stage_or_unstage(
-        &self,
+impl BufferDiffInner {
+    fn stage_or_unstage_hunks(
+        &mut self,
+        unstaged_diff: &Self,
        stage: bool,
-        hunks: impl Iterator<Item = (Range<Anchor>, Range<usize>)>,
+        hunks: &[DiffHunk],
        buffer: &text::BufferSnapshot,
-        cx: &mut App,
-    ) -> Option<Rope> {
-        let secondary_diff = self.secondary_diff()?;
-        let index_base = if let Some(index_base) = secondary_diff.base_text() {
-            index_base.text.as_rope().clone()
-        } else if stage {
-            Rope::from("")
-        } else {
-            return None;
-        };
-        let head_base = self.base_text().map_or_else(
-            || Rope::from(""),
-            |snapshot| snapshot.text.as_rope().clone(),
-        );
+        file_exists: bool,
+    ) -> (Option<Rope>, Vec<(usize, PendingHunk)>) {
+        let head_text = self
+            .base_text_exists
+            .then(|| self.base_text.as_rope().clone());
+        let index_text = unstaged_diff
+            .base_text_exists
+            .then(|| unstaged_diff.base_text.as_rope().clone());

-        let mut secondary_cursor = secondary_diff.inner.hunks.cursor::<DiffHunkSummary>(buffer);
-        secondary_cursor.next(buffer);
+        // If the file doesn't exist in either HEAD or the index, then the
+        // entire file must be either created or deleted in the index.
+        let (index_text, head_text) = match (index_text, head_text) {
+            (Some(index_text), Some(head_text)) if file_exists || !stage => (index_text, head_text),
+            (_, head_text @ _) => {
+                if stage {
+                    log::debug!("stage all");
+                    return (
+                        file_exists.then(|| buffer.as_rope().clone()),
+                        vec![(
+                            0,
+                            PendingHunk {
+                                buffer_version: buffer.version().clone(),
+                                new_status: DiffHunkSecondaryStatus::SecondaryHunkRemovalPending,
+                            },
+                        )],
+                    );
+                } else {
+                    log::debug!("unstage all");
+                    return (
+                        head_text,
+                        vec![(
+                            0,
+                            PendingHunk {
+                                buffer_version: buffer.version().clone(),
+                                new_status: DiffHunkSecondaryStatus::SecondaryHunkAdditionPending,
+                            },
+                        )],
+                    );
+                }
+            }
+        };
+
+        let mut unstaged_hunk_cursor = unstaged_diff.hunks.cursor::<DiffHunkSummary>(buffer);
+        unstaged_hunk_cursor.next(buffer);
        let mut edits = Vec::new();
-        let mut prev_secondary_hunk_buffer_offset = 0;
-        let mut prev_secondary_hunk_base_text_offset = 0;
-        for (buffer_range, diff_base_byte_range) in hunks {
-            let skipped_hunks = secondary_cursor.slice(&buffer_range.start, Bias::Left, buffer);
+        let mut pending_hunks = Vec::new();
+        let mut prev_unstaged_hunk_buffer_offset = 0;
+        let mut prev_unstaged_hunk_base_text_offset = 0;
+        for DiffHunk {
+            buffer_range,
+            diff_base_byte_range,
+            secondary_status,
+            ..
+        } in hunks.iter().cloned()
+        {
+            if (stage && secondary_status == DiffHunkSecondaryStatus::None)
+                || (!stage && secondary_status == DiffHunkSecondaryStatus::HasSecondaryHunk)
+            {
+                continue;
+            }
+
+            let skipped_hunks = unstaged_hunk_cursor.slice(&buffer_range.start, Bias::Left, buffer);

            if let Some(secondary_hunk) = skipped_hunks.last() {
-                prev_secondary_hunk_base_text_offset = secondary_hunk.diff_base_byte_range.end;
-                prev_secondary_hunk_buffer_offset =
+                prev_unstaged_hunk_base_text_offset = secondary_hunk.diff_base_byte_range.end;
+                prev_unstaged_hunk_buffer_offset =
                    secondary_hunk.buffer_range.end.to_offset(buffer);
            }

            let mut buffer_offset_range = buffer_range.to_offset(buffer);
-            let start_overshoot = buffer_offset_range.start - prev_secondary_hunk_buffer_offset;
-            let mut secondary_base_text_start =
-                prev_secondary_hunk_base_text_offset + start_overshoot;
+            let start_overshoot = buffer_offset_range.start - prev_unstaged_hunk_buffer_offset;
+            let mut index_start = prev_unstaged_hunk_base_text_offset + start_overshoot;

-            while let Some(secondary_hunk) = secondary_cursor.item().filter(|item| {
+            while let Some(unstaged_hunk) = unstaged_hunk_cursor.item().filter(|item| {
                item.buffer_range
                    .start
                    .cmp(&buffer_range.end, buffer)
                    .is_le()
            }) {
-                let secondary_hunk_offset_range = secondary_hunk.buffer_range.to_offset(buffer);
-                prev_secondary_hunk_base_text_offset = secondary_hunk.diff_base_byte_range.end;
-                prev_secondary_hunk_buffer_offset = secondary_hunk_offset_range.end;
+                let unstaged_hunk_offset_range = unstaged_hunk.buffer_range.to_offset(buffer);
+                prev_unstaged_hunk_base_text_offset = unstaged_hunk.diff_base_byte_range.end;
+                prev_unstaged_hunk_buffer_offset = unstaged_hunk_offset_range.end;

-                secondary_base_text_start =
-                    secondary_base_text_start.min(secondary_hunk.diff_base_byte_range.start);
+                index_start = index_start.min(unstaged_hunk.diff_base_byte_range.start);
                buffer_offset_range.start = buffer_offset_range
                    .start
-                    .min(secondary_hunk_offset_range.start);
+                    .min(unstaged_hunk_offset_range.start);

-                secondary_cursor.next(buffer);
+                unstaged_hunk_cursor.next(buffer);
            }

            let end_overshoot = buffer_offset_range
                .end
-                .saturating_sub(prev_secondary_hunk_buffer_offset);
-            let secondary_base_text_end = prev_secondary_hunk_base_text_offset + end_overshoot;
+                .saturating_sub(prev_unstaged_hunk_buffer_offset);
+            let index_end = prev_unstaged_hunk_base_text_offset + end_overshoot;

-            let secondary_base_text_range = secondary_base_text_start..secondary_base_text_end;
+            let index_range = index_start..index_end;
            buffer_offset_range.end = buffer_offset_range
                .end
-                .max(prev_secondary_hunk_buffer_offset);
+                .max(prev_unstaged_hunk_buffer_offset);

            let replacement_text = if stage {
-                log::debug!("staging");
+                log::debug!("stage hunk {:?}", buffer_offset_range);
                buffer
                    .text_for_range(buffer_offset_range)
                    .collect::<String>()
            } else {
-                log::debug!("unstaging");
-                head_base
+                log::debug!("unstage hunk {:?}", buffer_offset_range);
+                head_text
                    .chunks_in_range(diff_base_byte_range.clone())
                    .collect::<String>()
            };
-            edits.push((secondary_base_text_range, replacement_text));
+            pending_hunks.push((
+                diff_base_byte_range.start,
+                PendingHunk {
+                    buffer_version: buffer.version().clone(),
+                    new_status: if stage {
+                        DiffHunkSecondaryStatus::SecondaryHunkRemovalPending
+                    } else {
+                        DiffHunkSecondaryStatus::SecondaryHunkAdditionPending
+                    },
+                },
+            ));
+            edits.push((index_range, replacement_text));
        }

-        let buffer = cx.new(|cx| {
-            language::Buffer::local_normalized(index_base, text::LineEnding::default(), cx)
-        });
-        let new_text = buffer.update(cx, |buffer, cx| {
-            buffer.edit(edits, None, cx);
-            buffer.as_rope().clone()
-        });
-        Some(new_text)
+        let mut new_index_text = Rope::new();
+        let mut index_cursor = index_text.cursor(0);
+        for (old_range, replacement_text) in edits {
+            new_index_text.append(index_cursor.slice(old_range.start));
+            index_cursor.seek_forward(old_range.end);
+            new_index_text.push(&replacement_text);
+        }
+        new_index_text.append(index_cursor.suffix());
+        (Some(new_index_text), pending_hunks)
    }
-}

-impl BufferDiffInner {
    fn hunks_intersecting_range<'a>(
        &'a self,
        range: Range<Anchor>,
@@ -304,12 +353,16 @@ impl BufferDiffInner {
            ]
        });

-        let mut secondary_cursor = secondary.as_ref().map(|diff| {
-            let mut cursor = diff.hunks.cursor::<DiffHunkSummary>(buffer);
+        let mut secondary_cursor = None;
+        let mut pending_hunks = TreeMap::default();
+        if let Some(secondary) = secondary.as_ref() {
+            let mut cursor = secondary.hunks.cursor::<DiffHunkSummary>(buffer);
            cursor.next(buffer);
-            cursor
-        });
+            secondary_cursor = Some(cursor);
+            pending_hunks = secondary.pending_hunks.clone();
+        }

+        let max_point = buffer.max_point();
        let mut summaries = buffer.summaries_for_anchors_with_payload::<Point, _, _>(anchor_iter);
        iter::from_fn(move || loop {
            let (start_point, (start_anchor, start_base)) = summaries.next()?;
@@ -319,14 +372,26 @@ impl BufferDiffInner {
                continue;
            }

-            if end_point.column > 0 {
+            if end_point.column > 0 && end_point < max_point {
                end_point.row += 1;
                end_point.column = 0;
                end_anchor = buffer.anchor_before(end_point);
            }

            let mut secondary_status = DiffHunkSecondaryStatus::None;
-            if let Some(secondary_cursor) = secondary_cursor.as_mut() {
+
+            let mut has_pending = false;
+            if let Some(pending_hunk) = pending_hunks.get(&start_base) {
+                if !buffer.has_edits_since_in_range(
+                    &pending_hunk.buffer_version,
+                    start_anchor..end_anchor,
+                ) {
+                    has_pending = true;
+                    secondary_status = pending_hunk.new_status;
+                }
+            }
+
+            if let (Some(secondary_cursor), false) = (secondary_cursor.as_mut(), has_pending) {
                if start_anchor
                    .cmp(&secondary_cursor.start().buffer_range.start, buffer)
                    .is_gt()
@@ -340,18 +405,19 @@ impl BufferDiffInner {
                        secondary_range.end.row += 1;
                        secondary_range.end.column = 0;
                    }
-                    if secondary_range == (start_point..end_point) {
+                    if secondary_range.is_empty() && secondary_hunk.diff_base_byte_range.is_empty()
+                    {
+                        // ignore
+                    } else if secondary_range == (start_point..end_point) {
                        secondary_status = DiffHunkSecondaryStatus::HasSecondaryHunk;
                    } else if secondary_range.start <= end_point {
                        secondary_status = DiffHunkSecondaryStatus::OverlapsWithSecondaryHunk;
                    }
                }
-            } else {
-                log::debug!("no secondary cursor!!");
            }

            return Some(DiffHunk {
-                row_range: start_point.row..end_point.row,
+                range: start_point..end_point,
                diff_base_byte_range: start_base..end_base,
                buffer_range: start_anchor..end_anchor,
                secondary_status,
@@ -377,14 +443,9 @@ impl BufferDiffInner {

            let hunk = cursor.item()?;
            let range = hunk.buffer_range.to_point(buffer);
-            let end_row = if range.end.column > 0 {
-                range.end.row + 1
-            } else {
-                range.end.row
-            };

            Some(DiffHunk {
-                row_range: range.start.row..end_row,
+                range,
                diff_base_byte_range: hunk.diff_base_byte_range.clone(),
                buffer_range: hunk.buffer_range.clone(),
                // The secondary status is not used by callers of this method.
@@ -504,6 +565,14 @@ fn compute_hunks(
                tree.push(hunk, &buffer);
            }
        }
+    } else {
+        tree.push(
+            InternalDiffHunk {
+                buffer_range: Anchor::MIN..Anchor::MAX,
+                diff_base_byte_range: 0..0,
+            },
+            &buffer,
+        );
    }

    tree
@@ -617,95 +686,71 @@ impl BufferDiff {

    fn build(
        buffer: text::BufferSnapshot,
-        diff_base: Option<Arc<String>>,
+        base_text: Option<Arc<String>>,
        language: Option<Arc<Language>>,
        language_registry: Option<Arc<LanguageRegistry>>,
        cx: &mut App,
    ) -> impl Future<Output = BufferDiffInner> {
-        let diff_base =
-            diff_base.map(|diff_base| (diff_base.clone(), Rope::from(diff_base.as_str())));
-        let base_text_snapshot = diff_base.as_ref().map(|(_, diff_base)| {
-            language::Buffer::build_snapshot(
-                diff_base.clone(),
+        let base_text_pair;
+        let base_text_exists;
+        let base_text_snapshot;
+        if let Some(text) = &base_text {
+            let base_text_rope = Rope::from(text.as_str());
+            base_text_pair = Some((text.clone(), base_text_rope.clone()));
+            let snapshot = language::Buffer::build_snapshot(
+                base_text_rope,
                language.clone(),
                language_registry.clone(),
                cx,
-            )
-        });
-        let base_text_snapshot = cx.background_spawn(OptionFuture::from(base_text_snapshot));
+            );
+            base_text_snapshot = cx.background_spawn(snapshot);
+            base_text_exists = true;
+        } else {
+            base_text_pair = None;
+            base_text_snapshot = Task::ready(language::Buffer::build_empty_snapshot(cx));
+            base_text_exists = false;
+        };

        let hunks = cx.background_spawn({
            let buffer = buffer.clone();
-            async move { compute_hunks(diff_base, buffer) }
+            async move { compute_hunks(base_text_pair, buffer) }
        });

        async move {
            let (base_text, hunks) = futures::join!(base_text_snapshot, hunks);
-            BufferDiffInner { base_text, hunks }
+            BufferDiffInner {
+                base_text,
+                hunks,
+                base_text_exists,
+                pending_hunks: TreeMap::default(),
+            }
        }
    }

    fn build_with_base_buffer(
        buffer: text::BufferSnapshot,
-        diff_base: Option<Arc<String>>,
-        diff_base_buffer: Option<language::BufferSnapshot>,
+        base_text: Option<Arc<String>>,
+        base_text_snapshot: language::BufferSnapshot,
        cx: &App,
    ) -> impl Future<Output = BufferDiffInner> {
-        let diff_base = diff_base.clone().zip(
-            diff_base_buffer
-                .clone()
-                .map(|buffer| buffer.as_rope().clone()),
-        );
+        let base_text_exists = base_text.is_some();
+        let base_text_pair = base_text.map(|text| (text, base_text_snapshot.as_rope().clone()));
        cx.background_spawn(async move {
            BufferDiffInner {
-                hunks: compute_hunks(diff_base, buffer),
-                base_text: diff_base_buffer,
+                base_text: base_text_snapshot,
+                hunks: compute_hunks(base_text_pair, buffer),
+                pending_hunks: TreeMap::default(),
+                base_text_exists,
            }
        })
    }

-    fn build_empty(buffer: &text::BufferSnapshot) -> BufferDiffInner {
+    fn build_empty(buffer: &text::BufferSnapshot, cx: &mut App) -> BufferDiffInner {
        BufferDiffInner {
+            base_text: language::Buffer::build_empty_snapshot(cx),
            hunks: SumTree::new(buffer),
-            base_text: None,
-        }
-    }
-
-    pub fn build_with_single_insertion(
-        insertion_present_in_secondary_diff: bool,
-        buffer: language::BufferSnapshot,
-        cx: &mut App,
-    ) -> BufferDiffSnapshot {
-        let base_text = language::Buffer::build_empty_snapshot(cx);
-        let hunks = SumTree::from_item(
-            InternalDiffHunk {
-                buffer_range: Anchor::MIN..Anchor::MAX,
-                diff_base_byte_range: 0..0,
-            },
-            &base_text,
-        );
-        BufferDiffSnapshot {
-            inner: BufferDiffInner {
-                hunks: hunks.clone(),
-                base_text: Some(base_text.clone()),
-            },
-            secondary_diff: Some(Box::new(BufferDiffSnapshot {
-                inner: BufferDiffInner {
-                    hunks: if insertion_present_in_secondary_diff {
-                        hunks
-                    } else {
-                        SumTree::new(&buffer.text)
-                    },
-                    base_text: Some(if insertion_present_in_secondary_diff {
-                        base_text
-                    } else {
-                        buffer
-                    }),
-                },
-                secondary_diff: None,
-                is_single_insertion: true,
-            })),
-            is_single_insertion: true,
+            pending_hunks: TreeMap::default(),
+            base_text_exists: false,
        }
    }

@@ -714,7 +759,38 @@ impl BufferDiff {
    }

    pub fn secondary_diff(&self) -> Option<Entity<BufferDiff>> {
-        Some(self.secondary_diff.as_ref()?.clone())
+        self.secondary_diff.clone()
+    }
+
+    pub fn stage_or_unstage_hunks(
+        &mut self,
+        stage: bool,
+        hunks: &[DiffHunk],
+        buffer: &text::BufferSnapshot,
+        file_exists: bool,
+        cx: &mut Context<Self>,
+    ) -> Option<Rope> {
+        let (new_index_text, pending_hunks) = self.inner.stage_or_unstage_hunks(
+            &self.secondary_diff.as_ref()?.read(cx).inner,
+            stage,
+            &hunks,
+            buffer,
+            file_exists,
+        );
+        if let Some(unstaged_diff) = &self.secondary_diff {
+            unstaged_diff.update(cx, |diff, _| {
+                for (offset, pending_hunk) in pending_hunks {
+                    diff.inner.pending_hunks.insert(offset, pending_hunk);
+                }
+            });
+        }
+        if let Some((first, last)) = hunks.first().zip(hunks.last()) {
+            let changed_range = first.buffer_range.start..last.buffer_range.end;
+            cx.emit(BufferDiffEvent::DiffChanged {
+                changed_range: Some(changed_range),
+            });
+        }
+        new_index_text
    }

    pub fn range_to_hunk_range(
@@ -763,7 +839,7 @@ impl BufferDiff {
                Self::build_with_base_buffer(
                    buffer.clone(),
                    base_text,
-                    this.base_text().cloned(),
+                    this.base_text().clone(),
                    cx,
                )
            })?
@@ -785,22 +861,33 @@ impl BufferDiff {

    fn set_state(
        &mut self,
-        inner: BufferDiffInner,
+        new_state: BufferDiffInner,
        buffer: &text::BufferSnapshot,
    ) -> Option<Range<Anchor>> {
-        let changed_range = match (self.inner.base_text.as_ref(), inner.base_text.as_ref()) {
-            (None, None) => None,
-            (Some(old), Some(new)) if old.remote_id() == new.remote_id() => {
-                inner.compare(&self.inner, buffer)
-            }
-            _ => Some(text::Anchor::MIN..text::Anchor::MAX),
-        };
-        self.inner = inner;
+        let (base_text_changed, changed_range) =
+            match (self.inner.base_text_exists, new_state.base_text_exists) {
+                (false, false) => (true, None),
+                (true, true)
+                    if self.inner.base_text.remote_id() == new_state.base_text.remote_id() =>
+                {
+                    (false, new_state.compare(&self.inner, buffer))
+                }
+                _ => (true, Some(text::Anchor::MIN..text::Anchor::MAX)),
+            };
+        let pending_hunks = mem::take(&mut self.inner.pending_hunks);
+        self.inner = new_state;
+        if !base_text_changed {
+            self.inner.pending_hunks = pending_hunks;
+        }
        changed_range
    }

-    pub fn base_text(&self) -> Option<&language::BufferSnapshot> {
-        self.inner.base_text.as_ref()
+    pub fn base_text(&self) -> &language::BufferSnapshot {
+        &self.inner.base_text
+    }
+
+    pub fn base_text_exists(&self) -> bool {
+        self.inner.base_text_exists
    }

    pub fn snapshot(&self, cx: &App) -> BufferDiffSnapshot {
@@ -810,7 +897,6 @@ impl BufferDiff {
                .secondary_diff
                .as_ref()
                .map(|diff| Box::new(diff.read(cx).snapshot(cx))),
-            is_single_insertion: false,
        }
    }

@@ -887,15 +973,16 @@ impl BufferDiff {
        rx
    }

-    #[cfg(any(test, feature = "test-support"))]
    pub fn base_text_string(&self) -> Option<String> {
-        self.inner.base_text.as_ref().map(|buffer| buffer.text())
+        self.inner
+            .base_text_exists
+            .then(|| self.inner.base_text.text())
    }

-    pub fn new(buffer: &text::BufferSnapshot) -> Self {
+    pub fn new(buffer: &text::BufferSnapshot, cx: &mut App) -> Self {
        BufferDiff {
            buffer_id: buffer.remote_id(),
-            inner: BufferDiff::build_empty(buffer),
+            inner: BufferDiff::build_empty(buffer, cx),
            secondary_diff: None,
        }
    }
@@ -925,14 +1012,10 @@ impl BufferDiff {

    #[cfg(any(test, feature = "test-support"))]
    pub fn recalculate_diff_sync(&mut self, buffer: text::BufferSnapshot, cx: &mut Context<Self>) {
-        let base_text = self
-            .inner
-            .base_text
-            .as_ref()
-            .map(|base_text| base_text.text());
+        let base_text = self.base_text_string().map(Arc::new);
        let snapshot = BufferDiff::build_with_base_buffer(
            buffer.clone(),
-            base_text.clone().map(Arc::new),
+            base_text,
            self.inner.base_text.clone(),
            cx,
        );
@@ -943,6 +1026,10 @@ impl BufferDiff {
 }

 impl DiffHunk {
+    pub fn is_created_file(&self) -> bool {
+        self.diff_base_byte_range == (0..0) && self.buffer_range == (Anchor::MIN..Anchor::MAX)
+    }
+
    pub fn status(&self) -> DiffHunkStatus {
        let kind = if self.buffer_range.start == self.buffer_range.end {
            DiffHunkStatusKind::Deleted
@@ -959,6 +1046,23 @@ impl DiffHunk {
 }

 impl DiffHunkStatus {
+    pub fn has_secondary_hunk(&self) -> bool {
+        matches!(
+            self.secondary,
+            DiffHunkSecondaryStatus::HasSecondaryHunk
+                | DiffHunkSecondaryStatus::SecondaryHunkAdditionPending
+                | DiffHunkSecondaryStatus::OverlapsWithSecondaryHunk
+        )
+    }
+
+    pub fn is_pending(&self) -> bool {
+        matches!(
+            self.secondary,
+            DiffHunkSecondaryStatus::SecondaryHunkAdditionPending
+                | DiffHunkSecondaryStatus::SecondaryHunkRemovalPending
+        )
+    }
+
    pub fn is_deleted(&self) -> bool {
        self.kind == DiffHunkStatusKind::Deleted
    }
@@ -992,7 +1096,6 @@ impl DiffHunkStatus {
        }
    }

-    #[cfg(any(test, feature = "test-support"))]
    pub fn deleted_none() -> Self {
        Self {
            kind: DiffHunkStatusKind::Deleted,
@@ -1000,7 +1103,6 @@ impl DiffHunkStatus {
        }
    }

-    #[cfg(any(test, feature = "test-support"))]
    pub fn added_none() -> Self {
        Self {
            kind: DiffHunkStatusKind::Added,
@@ -1008,7 +1110,6 @@ impl DiffHunkStatus {
        }
    }

-    #[cfg(any(test, feature = "test-support"))]
    pub fn modified_none() -> Self {
        Self {
            kind: DiffHunkStatusKind::Modified,
@@ -1031,12 +1132,10 @@ pub fn assert_hunks<Iter>(
    let actual_hunks = diff_hunks
        .map(|hunk| {
            (
-                hunk.row_range.clone(),
+                hunk.range.clone(),
                &diff_base[hunk.diff_base_byte_range.clone()],
                buffer
-                    .text_for_range(
-                        Point::new(hunk.row_range.start, 0)..Point::new(hunk.row_range.end, 0),
-                    )
+                    .text_for_range(hunk.range.clone())
                    .collect::<String>(),
                hunk.status(),
            )
@@ -1045,7 +1144,14 @@ pub fn assert_hunks<Iter>(

    let expected_hunks: Vec<_> = expected_hunks
        .iter()
-        .map(|(r, s, h, status)| (r.clone(), *s, h.to_string(), *status))
+        .map(|(r, old_text, new_text, status)| {
+            (
+                Point::new(r.start, 0)..Point::new(r.end, 0),
+                *old_text,
+                new_text.to_string(),
+                *status,
+            )
+        })
        .collect();

    assert_eq!(actual_hunks, expected_hunks);
@@ -1106,7 +1212,7 @@ mod tests {
            ],
        );

-        diff = BufferDiff::build_empty(&buffer);
+        diff = cx.update(|cx| BufferDiff::build_empty(&buffer, cx));
        assert_hunks(
            diff.hunks_intersecting_range(Anchor::MIN..Anchor::MAX, &buffer, None),
            &buffer,
@@ -1421,43 +1527,55 @@ mod tests {
        for example in table {
            let (buffer_text, ranges) = marked_text_ranges(&example.buffer_marked_text, false);
            let buffer = Buffer::new(0, BufferId::new(1).unwrap(), buffer_text);
-            let uncommitted_diff =
-                BufferDiff::build_sync(buffer.clone(), example.head_text.clone(), cx);
-            let unstaged_diff =
-                BufferDiff::build_sync(buffer.clone(), example.index_text.clone(), cx);
-            let uncommitted_diff = BufferDiffSnapshot {
-                inner: uncommitted_diff,
-                secondary_diff: Some(Box::new(BufferDiffSnapshot {
-                    inner: unstaged_diff,
-                    is_single_insertion: false,
-                    secondary_diff: None,
-                })),
-                is_single_insertion: false,
-            };
+            let hunk_range =
+                buffer.anchor_before(ranges[0].start)..buffer.anchor_before(ranges[0].end);

-            let range = buffer.anchor_before(ranges[0].start)..buffer.anchor_before(ranges[0].end);
+            let unstaged = BufferDiff::build_sync(buffer.clone(), example.index_text.clone(), cx);
+            let uncommitted = BufferDiff::build_sync(buffer.clone(), example.head_text.clone(), cx);

-            let new_index_text = cx
-                .update(|cx| {
-                    uncommitted_diff.new_secondary_text_for_stage_or_unstage(
-                        true,
-                        uncommitted_diff
-                            .hunks_intersecting_range(range, &buffer)
-                            .map(|hunk| {
-                                (hunk.buffer_range.clone(), hunk.diff_base_byte_range.clone())
-                            }),
-                        &buffer,
-                        cx,
+            let unstaged_diff = cx.new(|cx| {
+                let mut diff = BufferDiff::new(&buffer, cx);
+                diff.set_state(unstaged, &buffer);
+                diff
+            });
+
+            let uncommitted_diff = cx.new(|cx| {
+                let mut diff = BufferDiff::new(&buffer, cx);
+                diff.set_state(uncommitted, &buffer);
+                diff.set_secondary_diff(unstaged_diff);
+                diff
+            });
+
+            uncommitted_diff.update(cx, |diff, cx| {
+                let hunks = diff
+                    .hunks_intersecting_range(hunk_range.clone(), &buffer, &cx)
+                    .collect::<Vec<_>>();
+                for hunk in &hunks {
+                    assert_ne!(hunk.secondary_status, DiffHunkSecondaryStatus::None)
+                }
+
+                let new_index_text = diff
+                    .stage_or_unstage_hunks(true, &hunks, &buffer, true, cx)
+                    .unwrap()
+                    .to_string();
+
+                let hunks = diff
+                    .hunks_intersecting_range(hunk_range.clone(), &buffer, &cx)
+                    .collect::<Vec<_>>();
+                for hunk in &hunks {
+                    assert_eq!(
+                        hunk.secondary_status,
+                        DiffHunkSecondaryStatus::SecondaryHunkRemovalPending
                    )
-                })
-                .unwrap()
-                .to_string();
-            pretty_assertions::assert_eq!(
-                new_index_text,
-                example.final_index_text,
-                "example: {}",
-                example.name
-            );
+                }
+
+                pretty_assertions::assert_eq!(
+                    new_index_text,
+                    example.final_index_text,
+                    "example: {}",
+                    example.name
+                );
+            });
        }
    }

@@ -1491,7 +1609,7 @@ mod tests {

        let mut buffer = Buffer::new(0, BufferId::new(1).unwrap(), buffer_text_1);

-        let empty_diff = BufferDiff::build_empty(&buffer);
+        let empty_diff = cx.update(|cx| BufferDiff::build_empty(&buffer, cx));
        let diff_1 = BufferDiff::build_sync(buffer.clone(), base_text.clone(), cx);
        let range = diff_1.compare(&empty_diff, &buffer).unwrap();
        assert_eq!(range.to_point(&buffer), Point::new(0, 0)..Point::new(8, 0));
@@ -1654,7 +1772,7 @@ mod tests {
            index_text: &Rope,
            head_text: String,
            cx: &mut TestAppContext,
-        ) -> BufferDiff {
+        ) -> Entity<BufferDiff> {
            let inner = BufferDiff::build_sync(working_copy.text.clone(), head_text, cx);
            let secondary = BufferDiff {
                buffer_id: working_copy.remote_id(),
@@ -1666,11 +1784,11 @@ mod tests {
                secondary_diff: None,
            };
            let secondary = cx.new(|_| secondary);
-            BufferDiff {
+            cx.new(|_| BufferDiff {
                buffer_id: working_copy.remote_id(),
                inner,
                secondary_diff: Some(secondary),
-            }
+            })
        }

        let operations = std::env::var("OPERATIONS")
@@ -1698,7 +1816,7 @@ mod tests {
        };

        let mut diff = uncommitted_diff(&working_copy, &index_text, head_text.clone(), cx);
-        let mut hunks = cx.update(|cx| {
+        let mut hunks = diff.update(cx, |diff, cx| {
            diff.hunks_intersecting_range(Anchor::MIN..Anchor::MAX, &working_copy, cx)
                .collect::<Vec<_>>()
        });
@@ -1709,6 +1827,7 @@ mod tests {
        for _ in 0..operations {
            let i = rng.gen_range(0..hunks.len());
            let hunk = &mut hunks[i];
+            let hunk_to_change = hunk.clone();
            let stage = match hunk.secondary_status {
                DiffHunkSecondaryStatus::HasSecondaryHunk => {
                    hunk.secondary_status = DiffHunkSecondaryStatus::None;
@@ -1721,21 +1840,13 @@ mod tests {
                _ => unreachable!(),
            };

-            let snapshot = cx.update(|cx| diff.snapshot(cx));
-            index_text = cx.update(|cx| {
-                snapshot
-                    .new_secondary_text_for_stage_or_unstage(
-                        stage,
-                        [(hunk.buffer_range.clone(), hunk.diff_base_byte_range.clone())]
-                            .into_iter(),
-                        &working_copy,
-                        cx,
-                    )
+            index_text = diff.update(cx, |diff, cx| {
+                diff.stage_or_unstage_hunks(stage, &[hunk_to_change], &working_copy, true, cx)
                    .unwrap()
            });

            diff = uncommitted_diff(&working_copy, &index_text, head_text.clone(), cx);
-            let found_hunks = cx.update(|cx| {
+            let found_hunks = diff.update(cx, |diff, cx| {
                diff.hunks_intersecting_range(Anchor::MIN..Anchor::MAX, &working_copy, cx)
                    .collect::<Vec<_>>()
            });
--- a/crates/channel/src/channel_store/channel_index.rs
+++ b/crates/channel/src/channel_store/channel_index.rs
@@ -48,7 +48,7 @@ pub struct ChannelPathsInsertGuard<'a> {
    channels_by_id: &'a mut BTreeMap<ChannelId, Arc<Channel>>,
 }

-impl<'a> ChannelPathsInsertGuard<'a> {
+impl ChannelPathsInsertGuard<'_> {
    pub fn insert(&mut self, channel_proto: proto::Channel) -> bool {
        let mut ret = false;
        let parent_path = channel_proto
@@ -86,7 +86,7 @@ impl<'a> ChannelPathsInsertGuard<'a> {
    }
 }

-impl<'a> Drop for ChannelPathsInsertGuard<'a> {
+impl Drop for ChannelPathsInsertGuard<'_> {
    fn drop(&mut self) {
        self.channels_ordered.sort_by(|a, b| {
            let a = channel_path_sorting_key(*a, self.channels_by_id);
--- a/crates/cli/Cargo.toml
+++ b/crates/cli/Cargo.toml
@@ -33,10 +33,13 @@ util.workspace = true
 tempfile.workspace = true

 [target.'cfg(any(target_os = "linux", target_os = "freebsd"))'.dependencies]
-exec.workspace =  true
+exec.workspace = true
 fork.workspace = true

 [target.'cfg(target_os = "macos")'.dependencies]
 core-foundation.workspace = true
 core-services = "0.2"
 plist = "1.3"
+
+[target.'cfg(target_os = "windows")'.dependencies]
+windows.workspace = true
--- a/crates/cli/src/main.rs
+++ b/crates/cli/src/main.rs
@@ -521,30 +521,115 @@ mod flatpak {
    }
 }

-// todo("windows")
 #[cfg(target_os = "windows")]
 mod windows {
+    use anyhow::Context;
+    use release_channel::app_identifier;
+    use windows::{
+        core::HSTRING,
+        Win32::{
+            Foundation::{CloseHandle, GetLastError, ERROR_ALREADY_EXISTS, GENERIC_WRITE},
+            Storage::FileSystem::{
+                CreateFileW, WriteFile, FILE_FLAGS_AND_ATTRIBUTES, FILE_SHARE_MODE, OPEN_EXISTING,
+            },
+            System::Threading::CreateMutexW,
+        },
+    };
+
    use crate::{Detect, InstalledApp};
    use std::io;
-    use std::path::Path;
+    use std::path::{Path, PathBuf};
    use std::process::ExitStatus;

-    struct App;
+    fn check_single_instance() -> bool {
+        let mutex = unsafe {
+            CreateMutexW(
+                None,
+                false,
+                &HSTRING::from(format!("{}-Instance-Mutex", app_identifier())),
+            )
+            .expect("Unable to create instance sync event")
+        };
+        let last_err = unsafe { GetLastError() };
+        let _ = unsafe { CloseHandle(mutex) };
+        last_err != ERROR_ALREADY_EXISTS
+    }
+
+    struct App(PathBuf);
+
    impl InstalledApp for App {
        fn zed_version_string(&self) -> String {
-            unimplemented!()
+            format!(
+                "Zed {}{}{} – {}",
+                if *release_channel::RELEASE_CHANNEL_NAME == "stable" {
+                    "".to_string()
+                } else {
+                    format!("{} ", *release_channel::RELEASE_CHANNEL_NAME)
+                },
+                option_env!("RELEASE_VERSION").unwrap_or_default(),
+                match option_env!("ZED_COMMIT_SHA") {
+                    Some(commit_sha) => format!(" {commit_sha} "),
+                    None => "".to_string(),
+                },
+                self.0.display(),
+            )
        }
-        fn launch(&self, _ipc_url: String) -> anyhow::Result<()> {
-            unimplemented!()
+
+        fn launch(&self, ipc_url: String) -> anyhow::Result<()> {
+            if check_single_instance() {
+                std::process::Command::new(self.0.clone())
+                    .arg(ipc_url)
+                    .spawn()?;
+            } else {
+                unsafe {
+                    let pipe = CreateFileW(
+                        &HSTRING::from(format!("\\\\.\\pipe\\{}-Named-Pipe", app_identifier())),
+                        GENERIC_WRITE.0,
+                        FILE_SHARE_MODE::default(),
+                        None,
+                        OPEN_EXISTING,
+                        FILE_FLAGS_AND_ATTRIBUTES::default(),
+                        None,
+                    )?;
+                    let message = ipc_url.as_bytes();
+                    let mut bytes_written = 0;
+                    WriteFile(pipe, Some(message), Some(&mut bytes_written), None)?;
+                    CloseHandle(pipe)?;
+                }
+            }
+            Ok(())
        }
-        fn run_foreground(&self, _ipc_url: String) -> io::Result<ExitStatus> {
-            unimplemented!()
+
+        fn run_foreground(&self, ipc_url: String) -> io::Result<ExitStatus> {
+            std::process::Command::new(self.0.clone())
+                .arg(ipc_url)
+                .arg("--foreground")
+                .spawn()?
+                .wait()
        }
    }

    impl Detect {
-        pub fn detect(_path: Option<&Path>) -> anyhow::Result<impl InstalledApp> {
-            Ok(App)
+        pub fn detect(path: Option<&Path>) -> anyhow::Result<impl InstalledApp> {
+            let path = if let Some(path) = path {
+                path.to_path_buf().canonicalize()?
+            } else {
+                let cli = std::env::current_exe()?;
+                let dir = cli.parent().context("no parent path for cli")?;
+
+                // ../Zed.exe is the standard, lib/zed is for MSYS2, ./zed.exe is for the target
+                // directory in development builds.
+                let possible_locations = ["../Zed.exe", "../lib/zed/zed-editor.exe", "./zed.exe"];
+                possible_locations
+                    .iter()
+                    .find_map(|p| dir.join(p).canonicalize().ok().filter(|path| path != &cli))
+                    .context(format!(
+                        "could not find any of: {}",
+                        possible_locations.join(", ")
+                    ))?
+            };
+
+            Ok(App(path))
        }
    }
 }
--- a/crates/collab/Cargo.toml
+++ b/crates/collab/Cargo.toml
@@ -97,6 +97,7 @@ extension.workspace = true
 file_finder.workspace = true
 fs = { workspace = true, features = ["test-support"] }
 git = { workspace = true, features = ["test-support"] }
+git_ui = { workspace = true, features = ["test-support"] }
 git_hosting_providers.workspace = true
 gpui = { workspace = true, features = ["test-support"] }
 hyper.workspace = true
@@ -110,7 +111,7 @@ node_runtime.workspace = true
 notifications = { workspace = true, features = ["test-support"] }
 pretty_assertions.workspace = true
 project = { workspace = true, features = ["test-support"] }
-prompt_library.workspace = true
+prompt_store.workspace = true
 recent_projects = { workspace = true }
 release_channel.workspace = true
 remote = { workspace = true, features = ["test-support"] }
--- a/crates/collab/src/db/queries/extensions.rs
+++ b/crates/collab/src/db/queries/extensions.rs
@@ -202,7 +202,7 @@ impl Database {
        .await
    }

-    pub async fn get_known_extension_versions<'a>(&self) -> Result<HashMap<String, Vec<String>>> {
+    pub async fn get_known_extension_versions(&self) -> Result<HashMap<String, Vec<String>>> {
        self.transaction(|tx| async move {
            let mut extension_external_ids_by_id = HashMap::default();

--- a/crates/collab/src/llm.rs
+++ b/crates/collab/src/llm.rs
@@ -453,10 +453,6 @@ async fn check_usage_limit(

    let user_id = UserId::from_proto(claims.user_id);
    let model = state.db.model(provider, model_name)?;
-    let usage = state
-        .db
-        .get_usage(user_id, provider, model_name, Utc::now())
-        .await?;
    let free_tier = claims.free_tier_monthly_spending_limit();

    let spending_this_month = state
@@ -471,7 +467,8 @@ async fn check_usage_limit(
            ));
        }

-        if (usage.spending_this_month - free_tier) >= Cents(claims.max_monthly_spend_in_cents) {
+        let monthly_spend = spending_this_month.saturating_sub(free_tier);
+        if monthly_spend >= Cents(claims.max_monthly_spend_in_cents) {
            return Err(Error::Http(
                StatusCode::FORBIDDEN,
                "Maximum spending limit reached for this month.".to_string(),
@@ -496,6 +493,11 @@ async fn check_usage_limit(
        model.max_tokens_per_minute as usize / users_in_recent_minutes;
    let per_user_max_tokens_per_day = model.max_tokens_per_day as usize / users_in_recent_days;

+    let usage = state
+        .db
+        .get_usage(user_id, provider, model_name, Utc::now())
+        .await?;
+
    let checks = [
        (
            usage.requests_this_minute,
--- a/crates/collab/src/rpc.rs
+++ b/crates/collab/src/rpc.rs
@@ -328,6 +328,7 @@ impl Server {
            .add_request_handler(forward_mutating_project_request::<proto::PrepareRename>)
            .add_request_handler(forward_mutating_project_request::<proto::PerformRename>)
            .add_request_handler(forward_mutating_project_request::<proto::ReloadBuffers>)
+            .add_request_handler(forward_mutating_project_request::<proto::ApplyCodeActionKind>)
            .add_request_handler(forward_mutating_project_request::<proto::FormatBuffers>)
            .add_request_handler(forward_mutating_project_request::<proto::CreateProjectEntry>)
            .add_request_handler(forward_mutating_project_request::<proto::RenameProjectEntry>)
@@ -975,7 +976,7 @@ impl Server {
    }
 }

-impl<'a> Deref for ConnectionPoolGuard<'a> {
+impl Deref for ConnectionPoolGuard<'_> {
    type Target = ConnectionPool;

    fn deref(&self) -> &Self::Target {
@@ -983,13 +984,13 @@ impl<'a> Deref for ConnectionPoolGuard<'a> {
    }
 }

-impl<'a> DerefMut for ConnectionPoolGuard<'a> {
+impl DerefMut for ConnectionPoolGuard<'_> {
    fn deref_mut(&mut self) -> &mut Self::Target {
        &mut self.guard
    }
 }

-impl<'a> Drop for ConnectionPoolGuard<'a> {
+impl Drop for ConnectionPoolGuard<'_> {
    fn drop(&mut self) {
        #[cfg(test)]
        self.check_invariants();
--- a/crates/collab/src/tests.rs
+++ b/crates/collab/src/tests.rs
@@ -13,6 +13,7 @@ mod channel_message_tests;
 mod channel_tests;
 mod editor_tests;
 mod following_tests;
+mod git_tests;
 mod integration_tests;
 mod notification_tests;
 mod random_channel_buffer_tests;
--- a/crates/collab/src/tests/editor_tests.rs
+++ b/crates/collab/src/tests/editor_tests.rs
@@ -1537,6 +1537,7 @@ async fn test_mutual_editor_inlay_hint_cache_update(
                    show_parameter_hints: false,
                    show_other_hints: true,
                    show_background: false,
+                    toggle_on_modifiers_press: None,
                })
            });
        });
@@ -1552,6 +1553,7 @@ async fn test_mutual_editor_inlay_hint_cache_update(
                    show_parameter_hints: false,
                    show_other_hints: true,
                    show_background: false,
+                    toggle_on_modifiers_press: None,
                })
            });
        });
@@ -1770,6 +1772,7 @@ async fn test_inlay_hint_refresh_is_forwarded(
                    show_parameter_hints: false,
                    show_other_hints: false,
                    show_background: false,
+                    toggle_on_modifiers_press: None,
                })
            });
        });
@@ -1785,6 +1788,7 @@ async fn test_inlay_hint_refresh_is_forwarded(
                    show_parameter_hints: true,
                    show_other_hints: true,
                    show_background: false,
+                    toggle_on_modifiers_press: None,
                })
            });
        });
--- a/crates/collab/src/tests/git_tests.rs
+++ b/crates/collab/src/tests/git_tests.rs
@@ -0,0 +1,130 @@
+use std::{
+    path::{Path, PathBuf},
+    sync::Arc,
+};
+
+use call::ActiveCall;
+use git::status::{FileStatus, StatusCode, TrackedStatus};
+use git_ui::project_diff::ProjectDiff;
+use gpui::{TestAppContext, VisualTestContext};
+use project::ProjectPath;
+use serde_json::json;
+use workspace::Workspace;
+
+//
+use crate::tests::TestServer;
+
+#[gpui::test]
+async fn test_project_diff(cx_a: &mut TestAppContext, cx_b: &mut TestAppContext) {
+    let mut server = TestServer::start(cx_a.background_executor.clone()).await;
+    let client_a = server.create_client(cx_a, "user_a").await;
+    let client_b = server.create_client(cx_b, "user_b").await;
+    cx_a.set_name("cx_a");
+    cx_b.set_name("cx_b");
+
+    server
+        .create_room(&mut [(&client_a, cx_a), (&client_b, cx_b)])
+        .await;
+
+    client_a
+        .fs()
+        .insert_tree(
+            "/a",
+            json!({
+                ".git": {},
+                "changed.txt": "after\n",
+                "unchanged.txt": "unchanged\n",
+                "created.txt": "created\n",
+                "secret.pem": "secret-changed\n",
+            }),
+        )
+        .await;
+
+    client_a.fs().set_git_content_for_repo(
+        Path::new("/a/.git"),
+        &[
+            ("changed.txt".into(), "before\n".to_string(), None),
+            ("unchanged.txt".into(), "unchanged\n".to_string(), None),
+            ("deleted.txt".into(), "deleted\n".to_string(), None),
+            ("secret.pem".into(), "shh\n".to_string(), None),
+        ],
+    );
+    let (project_a, worktree_id) = client_a.build_local_project("/a", cx_a).await;
+    let active_call_a = cx_a.read(ActiveCall::global);
+    let project_id = active_call_a
+        .update(cx_a, |call, cx| call.share_project(project_a.clone(), cx))
+        .await
+        .unwrap();
+
+    cx_b.update(editor::init);
+    cx_b.update(git_ui::init);
+    let project_b = client_b.join_remote_project(project_id, cx_b).await;
+    let workspace_b = cx_b.add_window(|window, cx| {
+        Workspace::new(
+            None,
+            project_b.clone(),
+            client_b.app_state.clone(),
+            window,
+            cx,
+        )
+    });
+    let cx_b = &mut VisualTestContext::from_window(*workspace_b, cx_b);
+    let workspace_b = workspace_b.root(cx_b).unwrap();
+
+    cx_b.update(|window, cx| {
+        window
+            .focused(cx)
+            .unwrap()
+            .dispatch_action(&git_ui::project_diff::Diff, window, cx)
+    });
+    let diff = workspace_b.update(cx_b, |workspace, cx| {
+        workspace.active_item(cx).unwrap().act_as::<ProjectDiff>(cx)
+    });
+    let diff = diff.unwrap();
+    cx_b.run_until_parked();
+
+    diff.update(cx_b, |diff, cx| {
+        assert_eq!(
+            diff.excerpt_paths(cx),
+            vec!["changed.txt", "deleted.txt", "created.txt"]
+        );
+    });
+
+    client_a
+        .fs()
+        .insert_tree(
+            "/a",
+            json!({
+                ".git": {},
+                "changed.txt": "before\n",
+                "unchanged.txt": "changed\n",
+                "created.txt": "created\n",
+                "secret.pem": "secret-changed\n",
+            }),
+        )
+        .await;
+    client_a.fs().recalculate_git_status(Path::new("/a/.git"));
+    cx_b.run_until_parked();
+
+    project_b.update(cx_b, |project, cx| {
+        let project_path = ProjectPath {
+            worktree_id,
+            path: Arc::from(PathBuf::from("unchanged.txt")),
+        };
+        let status = project.project_path_git_status(&project_path, cx);
+        assert_eq!(
+            status.unwrap(),
+            FileStatus::Tracked(TrackedStatus {
+                worktree_status: StatusCode::Modified,
+                index_status: StatusCode::Unmodified,
+            })
+        );
+    });
+
+    diff.update(cx_b, |diff, cx| {
+        assert_eq!(
+            diff.excerpt_paths(cx),
+            vec!["deleted.txt", "unchanged.txt", "created.txt"]
+        );
+    });
+}
--- a/crates/collab/src/tests/integration_tests.rs
+++ b/crates/collab/src/tests/integration_tests.rs
@@ -14,7 +14,7 @@ use client::{User, RECEIVE_TIMEOUT};
 use collections::{HashMap, HashSet};
 use fs::{FakeFs, Fs as _, RemoveOptions};
 use futures::{channel::mpsc, StreamExt as _};
-use prompt_library::PromptBuilder;
+use prompt_store::PromptBuilder;

 use git::status::{FileStatus, StatusCode, TrackedStatus, UnmergedStatus, UnmergedStatusCode};
 use gpui::{
@@ -6354,7 +6354,7 @@ async fn test_preview_tabs(cx: &mut TestAppContext) {
    // Open item 1 as preview
    workspace
        .update_in(cx, |workspace, window, cx| {
-            workspace.open_path_preview(path_1.clone(), None, true, true, window, cx)
+            workspace.open_path_preview(path_1.clone(), None, true, true, true, window, cx)
        })
        .await
        .unwrap();
@@ -6375,7 +6375,7 @@ async fn test_preview_tabs(cx: &mut TestAppContext) {
    // Open item 2 as preview
    workspace
        .update_in(cx, |workspace, window, cx| {
-            workspace.open_path_preview(path_2.clone(), None, true, true, window, cx)
+            workspace.open_path_preview(path_2.clone(), None, true, true, true, window, cx)
        })
        .await
        .unwrap();
@@ -6507,7 +6507,7 @@ async fn test_preview_tabs(cx: &mut TestAppContext) {
    // Open item 2 as preview in right pane
    workspace
        .update_in(cx, |workspace, window, cx| {
-            workspace.open_path_preview(path_2.clone(), None, true, true, window, cx)
+            workspace.open_path_preview(path_2.clone(), None, true, true, true, window, cx)
        })
        .await
        .unwrap();
@@ -6545,7 +6545,7 @@ async fn test_preview_tabs(cx: &mut TestAppContext) {
    // Open item 2 as preview in left pane
    workspace
        .update_in(cx, |workspace, window, cx| {
-            workspace.open_path_preview(path_2.clone(), None, true, true, window, cx)
+            workspace.open_path_preview(path_2.clone(), None, true, true, true, window, cx)
        })
        .await
        .unwrap();
--- a/crates/collab_ui/src/collab_panel.rs
+++ b/crates/collab_ui/src/collab_panel.rs
@@ -17,7 +17,7 @@ use gpui::{
    ListState, MouseDownEvent, ParentElement, Pixels, Point, PromptLevel, Render, SharedString,
    Styled, Subscription, Task, TextStyle, WeakEntity, Window,
 };
-use menu::{Cancel, Confirm, SecondaryConfirm, SelectNext, SelectPrev};
+use menu::{Cancel, Confirm, SecondaryConfirm, SelectNext, SelectPrevious};
 use project::{Fs, Project};
 use rpc::{
    proto::{self, ChannelVisibility, PeerId},
@@ -1430,7 +1430,7 @@ impl CollabPanel {
        cx.notify();
    }

-    fn select_prev(&mut self, _: &SelectPrev, _: &mut Window, cx: &mut Context<Self>) {
+    fn select_previous(&mut self, _: &SelectPrevious, _: &mut Window, cx: &mut Context<Self>) {
        let ix = self.selection.take().unwrap_or(0);
        if ix > 0 {
            self.selection = Some(ix - 1);
@@ -2878,7 +2878,7 @@ impl Render for CollabPanel {
            .key_context("CollabPanel")
            .on_action(cx.listener(CollabPanel::cancel))
            .on_action(cx.listener(CollabPanel::select_next))
-            .on_action(cx.listener(CollabPanel::select_prev))
+            .on_action(cx.listener(CollabPanel::select_previous))
            .on_action(cx.listener(CollabPanel::confirm))
            .on_action(cx.listener(CollabPanel::insert_space))
            .on_action(cx.listener(CollabPanel::remove_selected_channel))
--- a/crates/collab_ui/src/notification_panel.rs
+++ b/crates/collab_ui/src/notification_panel.rs
@@ -22,7 +22,7 @@ use ui::{
    h_flex, prelude::*, v_flex, Avatar, Button, Icon, IconButton, IconName, Label, Tab, Tooltip,
 };
 use util::{ResultExt, TryFutureExt};
-use workspace::notifications::NotificationId;
+use workspace::notifications::{Notification as WorkspaceNotification, NotificationId};
 use workspace::{
    dock::{DockPosition, Panel, PanelEvent},
    Workspace,
@@ -570,11 +570,12 @@ impl NotificationPanel {
                workspace.dismiss_notification(&id, cx);
                workspace.show_notification(id, cx, |cx| {
                    let workspace = cx.entity().downgrade();
-                    cx.new(|_| NotificationToast {
+                    cx.new(|cx| NotificationToast {
                        notification_id,
                        actor,
                        text,
                        workspace,
+                        focus_handle: cx.focus_handle(),
                    })
                })
            })
@@ -771,8 +772,17 @@ pub struct NotificationToast {
    actor: Option<Arc<User>>,
    text: String,
    workspace: WeakEntity<Workspace>,
+    focus_handle: FocusHandle,
 }

+impl Focusable for NotificationToast {
+    fn focus_handle(&self, _cx: &App) -> FocusHandle {
+        self.focus_handle.clone()
+    }
+}
+
+impl WorkspaceNotification for NotificationToast {}
+
 impl NotificationToast {
    fn focus_notification_panel(&self, window: &mut Window, cx: &mut Context<Self>) {
        let workspace = self.workspace.clone();
--- a/crates/collab_ui/src/panel_settings.rs
+++ b/crates/collab_ui/src/panel_settings.rs
@@ -27,7 +27,7 @@ impl<'de> Deserialize<'de> for ChatPanelButton {
    {
        struct Visitor;

-        impl<'de> serde::de::Visitor<'de> for Visitor {
+        impl serde::de::Visitor<'_> for Visitor {
            type Value = ChatPanelButton;

            fn expecting(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
--- a/crates/component/Cargo.toml
+++ b/crates/component/Cargo.toml
@@ -15,7 +15,6 @@ path = "src/component.rs"
 collections.workspace = true
 gpui.workspace = true
 linkme.workspace = true
-once_cell.workspace = true
 parking_lot.workspace = true
 theme.workspace = true

--- a/crates/component/src/component.rs
+++ b/crates/component/src/component.rs
@@ -1,9 +1,9 @@
 use std::ops::{Deref, DerefMut};
+use std::sync::LazyLock;

 use collections::HashMap;
 use gpui::{div, prelude::*, px, AnyElement, App, IntoElement, RenderOnce, SharedString, Window};
 use linkme::distributed_slice;
-use once_cell::sync::Lazy;
 use parking_lot::RwLock;
 use theme::ActiveTheme;

@@ -18,7 +18,7 @@ pub trait Component {
 }

 pub trait ComponentPreview: Component {
-    fn preview(_window: &mut Window, _cx: &App) -> AnyElement;
+    fn preview(_window: &mut Window, _cx: &mut App) -> AnyElement;
 }

 #[distributed_slice]
@@ -27,12 +27,12 @@ pub static __ALL_COMPONENTS: [fn()] = [..];
 #[distributed_slice]
 pub static __ALL_PREVIEWS: [fn()] = [..];

-pub static COMPONENT_DATA: Lazy<RwLock<ComponentRegistry>> =
-    Lazy::new(|| RwLock::new(ComponentRegistry::new()));
+pub static COMPONENT_DATA: LazyLock<RwLock<ComponentRegistry>> =
+    LazyLock::new(|| RwLock::new(ComponentRegistry::new()));

 pub struct ComponentRegistry {
    components: Vec<(Option<&'static str>, &'static str, Option<&'static str>)>,
-    previews: HashMap<&'static str, fn(&mut Window, &App) -> AnyElement>,
+    previews: HashMap<&'static str, fn(&mut Window, &mut App) -> AnyElement>,
 }

 impl ComponentRegistry {
@@ -62,7 +62,10 @@ pub fn register_component<T: Component>() {
 }

 pub fn register_preview<T: ComponentPreview>() {
-    let preview_data = (T::name(), T::preview as fn(&mut Window, &App) -> AnyElement);
+    let preview_data = (
+        T::name(),
+        T::preview as fn(&mut Window, &mut App) -> AnyElement,
+    );
    COMPONENT_DATA
        .write()
        .previews
@@ -77,7 +80,7 @@ pub struct ComponentMetadata {
    name: SharedString,
    scope: Option<SharedString>,
    description: Option<SharedString>,
-    preview: Option<fn(&mut Window, &App) -> AnyElement>,
+    preview: Option<fn(&mut Window, &mut App) -> AnyElement>,
 }

 impl ComponentMetadata {
@@ -93,7 +96,7 @@ impl ComponentMetadata {
        self.description.clone()
    }

-    pub fn preview(&self) -> Option<fn(&mut Window, &App) -> AnyElement> {
+    pub fn preview(&self) -> Option<fn(&mut Window, &mut App) -> AnyElement> {
        self.preview
    }
 }
@@ -235,6 +238,7 @@ pub struct ComponentExampleGroup {
    pub title: Option<SharedString>,
    pub examples: Vec<ComponentExample>,
    pub grow: bool,
+    pub vertical: bool,
 }

 impl RenderOnce for ComponentExampleGroup {
@@ -270,6 +274,7 @@ impl RenderOnce for ComponentExampleGroup {
            .child(
                div()
                    .flex()
+                    .when(self.vertical, |this| this.flex_col())
                    .items_start()
                    .w_full()
                    .gap_6()
@@ -287,6 +292,7 @@ impl ComponentExampleGroup {
            title: None,
            examples,
            grow: false,
+            vertical: false,
        }
    }

@@ -296,6 +302,7 @@ impl ComponentExampleGroup {
            title: Some(title.into()),
            examples,
            grow: false,
+            vertical: false,
        }
    }

@@ -304,6 +311,12 @@ impl ComponentExampleGroup {
        self.grow = true;
        self
    }
+
+    /// Lay the group out vertically.
+    pub fn vertical(mut self) -> Self {
+        self.vertical = true;
+        self
+    }
 }

 /// Create a single example
--- a/crates/component_preview/src/component_preview.rs
+++ b/crates/component_preview/src/component_preview.rs
@@ -93,7 +93,7 @@ impl ComponentPreview {
        &self,
        ix: usize,
        window: &mut Window,
-        cx: &Context<Self>,
+        cx: &mut Context<Self>,
    ) -> impl IntoElement {
        let component = self.get_component(ix);

@@ -226,3 +226,7 @@ impl Item for ComponentPreview {
        f(*event)
    }
 }
+
+// TODO: impl serializable item for component preview so it will restore with the workspace
+// ref: https://github.com/zed-industries/zed/blob/32201ac70a501e63dfa2ade9c00f85aea2d4dd94/crates/image_viewer/src/image_viewer.rs#L199
+// Use `ImageViewer` as a model for how to do it, except it'll be even simpler
--- a/crates/context_server/Cargo.toml
+++ b/crates/context_server/Cargo.toml
@@ -14,6 +14,7 @@ path = "src/context_server.rs"
 [dependencies]
 anyhow.workspace = true
 assistant_tool.workspace = true
+async-trait.workspace = true
 collections.workspace = true
 command_palette_hooks.workspace = true
 context_server_settings.workspace = true
--- a/crates/context_server/src/client.rs
+++ b/crates/context_server/src/client.rs
@@ -1,16 +1,12 @@
-use anyhow::{anyhow, Context as _, Result};
+use anyhow::{anyhow, Context, Result};
 use collections::HashMap;
-use futures::{channel::oneshot, io::BufWriter, select, AsyncRead, AsyncWrite, FutureExt};
+use futures::{channel::oneshot, select, FutureExt, StreamExt};
 use gpui::{AppContext as _, AsyncApp, BackgroundExecutor, Task};
 use parking_lot::Mutex;
 use postage::barrier;
 use serde::{de::DeserializeOwned, Deserialize, Serialize};
 use serde_json::{value::RawValue, Value};
-use smol::{
-    channel,
-    io::{AsyncBufReadExt, AsyncWriteExt, BufReader},
-    process::Child,
-};
+use smol::channel;
 use std::{
    fmt,
    path::PathBuf,
@@ -22,6 +18,8 @@ use std::{
 };
 use util::TryFutureExt;

+use crate::transport::{StdioTransport, Transport};
+
 const JSON_RPC_VERSION: &str = "2.0";
 const REQUEST_TIMEOUT: Duration = Duration::from_secs(60);

@@ -55,7 +53,8 @@ pub struct Client {
    #[allow(dead_code)]
    output_done_rx: Mutex<Option<barrier::Receiver>>,
    executor: BackgroundExecutor,
-    server: Arc<Mutex<Option<Child>>>,
+    #[allow(dead_code)]
+    transport: Arc<dyn Transport>,
 }

 #[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
@@ -152,25 +151,13 @@ impl Client {
            &binary.args
        );

-        let mut command = util::command::new_smol_command(&binary.executable);
-        command
-            .args(&binary.args)
-            .envs(binary.env.unwrap_or_default())
-            .stdin(std::process::Stdio::piped())
-            .stdout(std::process::Stdio::piped())
-            .stderr(std::process::Stdio::piped())
-            .kill_on_drop(true);
+        let server_name = binary
+            .executable
+            .file_name()
+            .map(|name| name.to_string_lossy().to_string())
+            .unwrap_or_else(String::new);

-        let mut server = command.spawn().with_context(|| {
-            format!(
-                "failed to spawn command. (path={:?}, args={:?})",
-                binary.executable, &binary.args
-            )
-        })?;
-
-        let stdin = server.stdin.take().unwrap();
-        let stdout = server.stdout.take().unwrap();
-        let stderr = server.stderr.take().unwrap();
+        let transport = Arc::new(StdioTransport::new(binary, &cx)?);

        let (outbound_tx, outbound_rx) = channel::unbounded::<String>();
        let (output_done_tx, output_done_rx) = barrier::channel();
@@ -183,18 +170,22 @@ impl Client {
        let stdout_input_task = cx.spawn({
            let notification_handlers = notification_handlers.clone();
            let response_handlers = response_handlers.clone();
+            let transport = transport.clone();
            move |cx| {
-                Self::handle_input(stdout, notification_handlers, response_handlers, cx).log_err()
+                Self::handle_input(transport, notification_handlers, response_handlers, cx)
+                    .log_err()
            }
        });
-        let stderr_input_task = cx.spawn(|_| Self::handle_stderr(stderr).log_err());
+        let stderr_input_task = cx.spawn(|_| Self::handle_stderr(transport.clone()).log_err());
        let input_task = cx.spawn(|_| async move {
            let (stdout, stderr) = futures::join!(stdout_input_task, stderr_input_task);
            stdout.or(stderr)
        });
+
        let output_task = cx.background_spawn({
+            let transport = transport.clone();
            Self::handle_output(
-                stdin,
+                transport,
                outbound_rx,
                output_done_tx,
                response_handlers.clone(),
@@ -202,24 +193,18 @@ impl Client {
            .log_err()
        });

-        let mut context_server = Self {
+        Ok(Self {
            server_id,
            notification_handlers,
            response_handlers,
-            name: "".into(),
+            name: server_name.into(),
            next_id: Default::default(),
            outbound_tx,
            executor: cx.background_executor().clone(),
            io_tasks: Mutex::new(Some((input_task, output_task))),
            output_done_rx: Mutex::new(Some(output_done_rx)),
-            server: Arc::new(Mutex::new(Some(server))),
-        };
-
-        if let Some(name) = binary.executable.file_name() {
-            context_server.name = name.to_string_lossy().into();
-        }
-
-        Ok(context_server)
+            transport,
+        })
    }

    /// Handles input from the server's stdout.
@@ -228,79 +213,53 @@ impl Client {
    /// parses them as JSON-RPC responses or notifications, and dispatches them
    /// to the appropriate handlers. It processes both responses (which are matched
    /// to pending requests) and notifications (which trigger registered handlers).
-    async fn handle_input<Stdout>(
-        stdout: Stdout,
+    async fn handle_input(
+        transport: Arc<dyn Transport>,
        notification_handlers: Arc<Mutex<HashMap<&'static str, NotificationHandler>>>,
        response_handlers: Arc<Mutex<Option<HashMap<RequestId, ResponseHandler>>>>,
        cx: AsyncApp,
-    ) -> anyhow::Result<()>
-    where
-        Stdout: AsyncRead + Unpin + Send + 'static,
-    {
-        let mut stdout = BufReader::new(stdout);
-        let mut buffer = String::new();
+    ) -> anyhow::Result<()> {
+        let mut receiver = transport.receive();

-        loop {
-            buffer.clear();
-            if stdout.read_line(&mut buffer).await? == 0 {
-                return Ok(());
-            }
-
-            let content = buffer.trim();
-
-            if !content.is_empty() {
-                if let Ok(response) = serde_json::from_str::<AnyResponse>(content) {
-                    if let Some(handlers) = response_handlers.lock().as_mut() {
-                        if let Some(handler) = handlers.remove(&response.id) {
-                            handler(Ok(content.to_string()));
-                        }
-                    }
-                } else if let Ok(notification) = serde_json::from_str::<AnyNotification>(content) {
-                    let mut notification_handlers = notification_handlers.lock();
-                    if let Some(handler) =
-                        notification_handlers.get_mut(notification.method.as_str())
-                    {
-                        handler(notification.params.unwrap_or(Value::Null), cx.clone());
+        while let Some(message) = receiver.next().await {
+            if let Ok(response) = serde_json::from_str::<AnyResponse>(&message) {
+                if let Some(handlers) = response_handlers.lock().as_mut() {
+                    if let Some(handler) = handlers.remove(&response.id) {
+                        handler(Ok(message.to_string()));
                    }
                }
+            } else if let Ok(notification) = serde_json::from_str::<AnyNotification>(&message) {
+                let mut notification_handlers = notification_handlers.lock();
+                if let Some(handler) = notification_handlers.get_mut(notification.method.as_str()) {
+                    handler(notification.params.unwrap_or(Value::Null), cx.clone());
+                }
            }
-
-            smol::future::yield_now().await;
        }
+
+        smol::future::yield_now().await;
+
+        Ok(())
    }

    /// Handles the stderr output from the context server.
    /// Continuously reads and logs any error messages from the server.
-    async fn handle_stderr<Stderr>(stderr: Stderr) -> anyhow::Result<()>
-    where
-        Stderr: AsyncRead + Unpin + Send + 'static,
-    {
-        let mut stderr = BufReader::new(stderr);
-        let mut buffer = String::new();
-
-        loop {
-            buffer.clear();
-            if stderr.read_line(&mut buffer).await? == 0 {
-                return Ok(());
-            }
-            log::warn!("context server stderr: {}", buffer.trim());
-            smol::future::yield_now().await;
+    async fn handle_stderr(transport: Arc<dyn Transport>) -> anyhow::Result<()> {
+        while let Some(err) = transport.receive_err().next().await {
+            log::warn!("context server stderr: {}", err.trim());
        }
+
+        Ok(())
    }

    /// Handles the output to the context server's stdin.
    /// This function continuously receives messages from the outbound channel,
    /// writes them to the server's stdin, and manages the lifecycle of response handlers.
-    async fn handle_output<Stdin>(
-        stdin: Stdin,
+    async fn handle_output(
+        transport: Arc<dyn Transport>,
        outbound_rx: channel::Receiver<String>,
        output_done_tx: barrier::Sender,
        response_handlers: Arc<Mutex<Option<HashMap<RequestId, ResponseHandler>>>>,
-    ) -> anyhow::Result<()>
-    where
-        Stdin: AsyncWrite + Unpin + Send + 'static,
-    {
-        let mut stdin = BufWriter::new(stdin);
+    ) -> anyhow::Result<()> {
        let _clear_response_handlers = util::defer({
            let response_handlers = response_handlers.clone();
            move || {
@@ -309,10 +268,7 @@ impl Client {
        });
        while let Ok(message) = outbound_rx.recv().await {
            log::trace!("outgoing message: {}", message);
-
-            stdin.write_all(message.as_bytes()).await?;
-            stdin.write_all(b"\n").await?;
-            stdin.flush().await?;
+            transport.send(message).await?;
        }
        drop(output_done_tx);
        Ok(())
@@ -416,14 +372,6 @@ impl Client {
    }
 }

-impl Drop for Client {
-    fn drop(&mut self) {
-        if let Some(mut server) = self.server.lock().take() {
-            let _ = server.kill();
-        }
-    }
-}
-
 impl fmt::Display for ContextServerId {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        self.0.fmt(f)
--- a/crates/context_server/src/context_server.rs
+++ b/crates/context_server/src/context_server.rs
@@ -4,6 +4,7 @@ mod extension_context_server;
 pub mod manager;
 pub mod protocol;
 mod registry;
+mod transport;
 pub mod types;

 use command_palette_hooks::CommandPaletteFilter;
--- a/crates/context_server/src/context_server_tool.rs
+++ b/crates/context_server/src/context_server_tool.rs
@@ -51,6 +51,7 @@ impl Tool for ContextServerTool {
    fn run(
        self: std::sync::Arc<Self>,
        input: serde_json::Value,
+        _thread_id: Arc<str>,
        _workspace: gpui::WeakEntity<workspace::Workspace>,
        _: &mut Window,
        cx: &mut App,
--- a/crates/context_server/src/transport.rs
+++ b/crates/context_server/src/transport.rs
@@ -0,0 +1,16 @@
+mod stdio_transport;
+
+use std::pin::Pin;
+
+use anyhow::Result;
+use async_trait::async_trait;
+use futures::Stream;
+
+pub use stdio_transport::*;
+
+#[async_trait]
+pub trait Transport: Send + Sync {
+    async fn send(&self, message: String) -> Result<()>;
+    fn receive(&self) -> Pin<Box<dyn Stream<Item = String> + Send>>;
+    fn receive_err(&self) -> Pin<Box<dyn Stream<Item = String> + Send>>;
+}
--- a/crates/context_server/src/transport/stdio_transport.rs
+++ b/crates/context_server/src/transport/stdio_transport.rs
@@ -0,0 +1,140 @@
+use std::pin::Pin;
+
+use anyhow::{Context as _, Result};
+use async_trait::async_trait;
+use futures::io::{BufReader, BufWriter};
+use futures::{
+    AsyncBufReadExt as _, AsyncRead, AsyncWrite, AsyncWriteExt as _, Stream, StreamExt as _,
+};
+use gpui::AsyncApp;
+use smol::channel;
+use smol::process::Child;
+use util::TryFutureExt as _;
+
+use crate::client::ModelContextServerBinary;
+use crate::transport::Transport;
+
+pub struct StdioTransport {
+    stdout_sender: channel::Sender<String>,
+    stdin_receiver: channel::Receiver<String>,
+    stderr_receiver: channel::Receiver<String>,
+    server: Child,
+}
+
+impl StdioTransport {
+    pub fn new(binary: ModelContextServerBinary, cx: &AsyncApp) -> Result<Self> {
+        let mut command = util::command::new_smol_command(&binary.executable);
+        command
+            .args(&binary.args)
+            .envs(binary.env.unwrap_or_default())
+            .stdin(std::process::Stdio::piped())
+            .stdout(std::process::Stdio::piped())
+            .stderr(std::process::Stdio::piped())
+            .kill_on_drop(true);
+
+        let mut server = command.spawn().with_context(|| {
+            format!(
+                "failed to spawn command. (path={:?}, args={:?})",
+                binary.executable, &binary.args
+            )
+        })?;
+
+        let stdin = server.stdin.take().unwrap();
+        let stdout = server.stdout.take().unwrap();
+        let stderr = server.stderr.take().unwrap();
+
+        let (stdin_sender, stdin_receiver) = channel::unbounded::<String>();
+        let (stdout_sender, stdout_receiver) = channel::unbounded::<String>();
+        let (stderr_sender, stderr_receiver) = channel::unbounded::<String>();
+
+        cx.spawn(|_| Self::handle_output(stdin, stdout_receiver).log_err())
+            .detach();
+
+        cx.spawn(|_| async move { Self::handle_input(stdout, stdin_sender).await })
+            .detach();
+
+        cx.spawn(|_| async move { Self::handle_err(stderr, stderr_sender).await })
+            .detach();
+
+        Ok(Self {
+            stdout_sender,
+            stdin_receiver,
+            stderr_receiver,
+            server,
+        })
+    }
+
+    async fn handle_input<Stdout>(stdin: Stdout, inbound_rx: channel::Sender<String>)
+    where
+        Stdout: AsyncRead + Unpin + Send + 'static,
+    {
+        let mut stdin = BufReader::new(stdin);
+        let mut line = String::new();
+        while let Ok(n) = stdin.read_line(&mut line).await {
+            if n == 0 {
+                break;
+            }
+            if inbound_rx.send(line.clone()).await.is_err() {
+                break;
+            }
+            line.clear();
+        }
+    }
+
+    async fn handle_output<Stdin>(
+        stdin: Stdin,
+        outbound_rx: channel::Receiver<String>,
+    ) -> Result<()>
+    where
+        Stdin: AsyncWrite + Unpin + Send + 'static,
+    {
+        let mut stdin = BufWriter::new(stdin);
+        let mut pinned_rx = Box::pin(outbound_rx);
+        while let Some(message) = pinned_rx.next().await {
+            log::trace!("outgoing message: {}", message);
+
+            stdin.write_all(message.as_bytes()).await?;
+            stdin.write_all(b"\n").await?;
+            stdin.flush().await?;
+        }
+        Ok(())
+    }
+
+    async fn handle_err<Stderr>(stderr: Stderr, stderr_tx: channel::Sender<String>)
+    where
+        Stderr: AsyncRead + Unpin + Send + 'static,
+    {
+        let mut stderr = BufReader::new(stderr);
+        let mut line = String::new();
+        while let Ok(n) = stderr.read_line(&mut line).await {
+            if n == 0 {
+                break;
+            }
+            if stderr_tx.send(line.clone()).await.is_err() {
+                break;
+            }
+            line.clear();
+        }
+    }
+}
+
+#[async_trait]
+impl Transport for StdioTransport {
+    async fn send(&self, message: String) -> Result<()> {
+        Ok(self.stdout_sender.send(message).await?)
+    }
+
+    fn receive(&self) -> Pin<Box<dyn Stream<Item = String> + Send>> {
+        Box::pin(self.stdin_receiver.clone())
+    }
+
+    fn receive_err(&self) -> Pin<Box<dyn Stream<Item = String> + Send>> {
+        Box::pin(self.stderr_receiver.clone())
+    }
+}
+
+impl Drop for StdioTransport {
+    fn drop(&mut self) {
+        let _ = self.server.kill();
+    }
+}
--- a/crates/copilot/src/copilot.rs
+++ b/crates/copilot/src/copilot.rs
@@ -475,6 +475,7 @@ impl Copilot {
                binary,
                root_path,
                None,
+                Default::default(),
                cx.clone(),
            )?;

--- a/crates/copilot/src/copilot_chat.rs
+++ b/crates/copilot/src/copilot_chat.rs
@@ -411,7 +411,7 @@ async fn stream_completion(

                        match serde_json::from_str::<ResponseEvent>(line) {
                            Ok(response) => {
-                                if response.choices.first().is_none()
+                                if response.choices.is_empty()
                                    || response.choices.first().unwrap().finish_reason.is_some()
                                {
                                    None
--- a/crates/copilot/src/copilot_completion_provider.rs
+++ b/crates/copilot/src/copilot_completion_provider.rs
@@ -192,7 +192,7 @@ impl EditPredictionProvider for CopilotCompletionProvider {
    fn discard(&mut self, cx: &mut Context<Self>) {
        let settings = AllLanguageSettings::get_global(cx);

-        let copilot_enabled = settings.show_inline_completions(None, cx);
+        let copilot_enabled = settings.show_edit_predictions(None, cx);

        if !copilot_enabled {
            return;
--- a/crates/diagnostics/src/diagnostics.rs
+++ b/crates/diagnostics/src/diagnostics.rs
@@ -562,9 +562,7 @@ impl ProjectDiagnosticsEditor {
                                        )),
                                        height: diagnostic.message.matches('\n').count() as u32 + 1,
                                        style: BlockStyle::Fixed,
-                                        render: diagnostic_block_renderer(
-                                            diagnostic, None, true, true,
-                                        ),
+                                        render: diagnostic_block_renderer(diagnostic, None, true),
                                        priority: 0,
                                    });
                                }
@@ -997,7 +995,7 @@ fn diagnostic_header_renderer(diagnostic: Diagnostic) -> RenderBlock {
                        h_flex()
                            .gap_1()
                            .child(
-                                StyledText::new(message.clone()).with_highlights(
+                                StyledText::new(message.clone()).with_default_highlights(
                                    &cx.window.text_style(),
                                    code_ranges
                                        .iter()
--- a/crates/editor/src/actions.rs
+++ b/crates/editor/src/actions.rs
@@ -35,6 +35,13 @@ pub struct SelectToBeginningOfLine {
    pub stop_at_indent: bool,
 }

+#[derive(PartialEq, Clone, Deserialize, Default, JsonSchema)]
+#[serde(deny_unknown_fields)]
+pub struct DeleteToBeginningOfLine {
+    #[serde(default)]
+    pub(super) stop_at_indent: bool,
+}
+
 #[derive(PartialEq, Clone, Deserialize, Default, JsonSchema)]
 #[serde(deny_unknown_fields)]
 pub struct MovePageUp {
@@ -212,6 +219,7 @@ impl_actions!(
        ComposeCompletion,
        ConfirmCodeAction,
        ConfirmCompletion,
+        DeleteToBeginningOfLine,
        DeleteToNextWordEnd,
        DeleteToPreviousWordStart,
        ExpandExcerpts,
@@ -257,7 +265,7 @@ gpui::actions!(
        ContextMenuFirst,
        ContextMenuLast,
        ContextMenuNext,
-        ContextMenuPrev,
+        ContextMenuPrevious,
        ConvertToKebabCase,
        ConvertToLowerCamelCase,
        ConvertToLowerCase,
@@ -276,7 +284,6 @@ gpui::actions!(
        CutToEndOfLine,
        Delete,
        DeleteLine,
-        DeleteToBeginningOfLine,
        DeleteToEndOfLine,
        DeleteToNextSubwordEnd,
        DeleteToPreviousSubwordStart,
@@ -301,10 +308,10 @@ gpui::actions!(
        GoToDefinitionSplit,
        GoToDiagnostic,
        GoToHunk,
+        GoToPreviousHunk,
        GoToImplementation,
        GoToImplementationSplit,
-        GoToPrevDiagnostic,
-        GoToPrevHunk,
+        GoToPreviousDiagnostic,
        GoToTypeDefinition,
        GoToTypeDefinitionSplit,
        HalfPageDown,
@@ -348,6 +355,7 @@ gpui::actions!(
        OpenPermalinkToLine,
        OpenSelectionsInMultibuffer,
        OpenUrl,
+        OrganizeImports,
        Outdent,
        AutoIndent,
        PageDown,
@@ -398,7 +406,7 @@ gpui::actions!(
        SplitSelectionIntoLines,
        SwitchSourceHeader,
        Tab,
-        TabPrev,
+        Backtab,
        ToggleAutoSignatureHelp,
        ToggleGitBlame,
        ToggleGitBlameInline,
--- a/crates/editor/src/code_context_menus.rs
+++ b/crates/editor/src/code_context_menus.rs
@@ -514,7 +514,7 @@ impl CompletionsMenu {
                        );

                        let completion_label = StyledText::new(completion.label.text.clone())
-                            .with_highlights(&style.text, highlights);
+                            .with_default_highlights(&style.text, highlights);
                        let documentation_label = if let Some(
                            CompletionDocumentation::SingleLine(text),
                        ) = documentation
--- a/crates/editor/src/display_map.rs
+++ b/crates/editor/src/display_map.rs
@@ -43,7 +43,7 @@ use gpui::{App, Context, Entity, Font, HighlightStyle, LineLayout, Pixels, Under
 pub use inlay_map::Inlay;
 use inlay_map::{InlayMap, InlaySnapshot};
 pub use inlay_map::{InlayOffset, InlayPoint};
-use invisibles::{is_invisible, replacement};
+pub use invisibles::{is_invisible, replacement};
 use language::{
    language_settings::language_settings, ChunkRenderer, OffsetUtf16, Point,
    Subscription as BufferSubscription,
@@ -330,7 +330,11 @@ impl DisplayMap {
        block_map.remove_intersecting_replace_blocks(offset_ranges, inclusive);
    }

-    pub fn fold_buffer(&mut self, buffer_id: language::BufferId, cx: &mut Context<Self>) {
+    pub fn fold_buffers(
+        &mut self,
+        buffer_ids: impl IntoIterator<Item = language::BufferId>,
+        cx: &mut Context<Self>,
+    ) {
        let snapshot = self.buffer.read(cx).snapshot(cx);
        let edits = self.buffer_subscription.consume().into_inner();
        let tab_size = Self::tab_size(&self.buffer, cx);
@@ -341,10 +345,14 @@ impl DisplayMap {
            .wrap_map
            .update(cx, |map, cx| map.sync(snapshot, edits, cx));
        let mut block_map = self.block_map.write(snapshot, edits);
-        block_map.fold_buffer(buffer_id, self.buffer.read(cx), cx)
+        block_map.fold_buffers(buffer_ids, self.buffer.read(cx), cx)
    }

-    pub fn unfold_buffer(&mut self, buffer_id: language::BufferId, cx: &mut Context<Self>) {
+    pub fn unfold_buffers(
+        &mut self,
+        buffer_ids: impl IntoIterator<Item = language::BufferId>,
+        cx: &mut Context<Self>,
+    ) {
        let snapshot = self.buffer.read(cx).snapshot(cx);
        let edits = self.buffer_subscription.consume().into_inner();
        let tab_size = Self::tab_size(&self.buffer, cx);
@@ -355,7 +363,7 @@ impl DisplayMap {
            .wrap_map
            .update(cx, |map, cx| map.sync(snapshot, edits, cx));
        let mut block_map = self.block_map.write(snapshot, edits);
-        block_map.unfold_buffer(buffer_id, self.buffer.read(cx), cx)
+        block_map.unfold_buffers(buffer_ids, self.buffer.read(cx), cx)
    }

    pub(crate) fn is_buffer_folded(&self, buffer_id: language::BufferId) -> bool {
@@ -1116,6 +1124,11 @@ impl DisplaySnapshot {
        self.block_snapshot.is_block_line(BlockRow(display_row.0))
    }

+    pub fn is_folded_buffer_header(&self, display_row: DisplayRow) -> bool {
+        self.block_snapshot
+            .is_folded_buffer_header(BlockRow(display_row.0))
+    }
+
    pub fn soft_wrap_indent(&self, display_row: DisplayRow) -> Option<u32> {
        let wrap_row = self
            .block_snapshot
@@ -1911,6 +1924,67 @@ pub mod tests {
        );
    }

+    #[gpui::test]
+    fn test_inlays_with_newlines_after_blocks(cx: &mut gpui::TestAppContext) {
+        cx.update(|cx| init_test(cx, |_| {}));
+
+        let buffer = cx.new(|cx| Buffer::local("a", cx));
+        let buffer = cx.new(|cx| MultiBuffer::singleton(buffer, cx));
+        let buffer_snapshot = buffer.read_with(cx, |buffer, cx| buffer.snapshot(cx));
+
+        let font_size = px(14.0);
+        let map = cx.new(|cx| {
+            DisplayMap::new(
+                buffer.clone(),
+                font("Helvetica"),
+                font_size,
+                None,
+                true,
+                1,
+                1,
+                1,
+                FoldPlaceholder::test(),
+                cx,
+            )
+        });
+
+        map.update(cx, |map, cx| {
+            map.insert_blocks(
+                [BlockProperties {
+                    placement: BlockPlacement::Above(
+                        buffer_snapshot.anchor_before(Point::new(0, 0)),
+                    ),
+                    height: 2,
+                    style: BlockStyle::Sticky,
+                    render: Arc::new(|_| div().into_any()),
+                    priority: 0,
+                }],
+                cx,
+            );
+        });
+        map.update(cx, |m, cx| assert_eq!(m.snapshot(cx).text(), "\n\na"));
+
+        map.update(cx, |map, cx| {
+            map.splice_inlays(
+                &[],
+                vec![Inlay {
+                    id: InlayId::InlineCompletion(0),
+                    position: buffer_snapshot.anchor_after(0),
+                    text: "\n".into(),
+                }],
+                cx,
+            );
+        });
+        map.update(cx, |m, cx| assert_eq!(m.snapshot(cx).text(), "\n\n\na"));
+
+        // Regression test: updating the display map does not crash when a
+        // block is immediately followed by a multi-line inlay.
+        buffer.update(cx, |buffer, cx| {
+            buffer.edit([(1..1, "b")], None, cx);
+        });
+        map.update(cx, |m, cx| assert_eq!(m.snapshot(cx).text(), "\n\n\nab"));
+    }
+
    #[gpui::test]
    async fn test_chunks(cx: &mut gpui::TestAppContext) {
        let text = r#"
--- a/crates/editor/src/display_map/block_map.rs
+++ b/crates/editor/src/display_map/block_map.rs
@@ -638,10 +638,13 @@ impl BlockMap {
                self.custom_blocks[start_block_ix..end_block_ix]
                    .iter()
                    .filter_map(|block| {
-                        Some((
-                            block.placement.to_wrap_row(wrap_snapshot)?,
-                            Block::Custom(block.clone()),
-                        ))
+                        let placement = block.placement.to_wrap_row(wrap_snapshot)?;
+                        if let BlockPlacement::Above(row) = placement {
+                            if row < new_start {
+                                return None;
+                            }
+                        }
+                        Some((placement, Block::Custom(block.clone())))
                    }),
            );

@@ -996,7 +999,7 @@ impl std::ops::DerefMut for BlockPoint {
    }
 }

-impl<'a> Deref for BlockMapReader<'a> {
+impl Deref for BlockMapReader<'_> {
    type Target = BlockSnapshot;

    fn deref(&self) -> &Self::Target {
@@ -1004,13 +1007,13 @@ impl<'a> Deref for BlockMapReader<'a> {
    }
 }

-impl<'a> DerefMut for BlockMapReader<'a> {
+impl DerefMut for BlockMapReader<'_> {
    fn deref_mut(&mut self) -> &mut Self::Target {
        &mut self.snapshot
    }
 }

-impl<'a> BlockMapReader<'a> {
+impl BlockMapReader<'_> {
    pub fn row_for_block(&self, block_id: CustomBlockId) -> Option<BlockRow> {
        let block = self.blocks.iter().find(|block| block.id == block_id)?;
        let buffer_row = block
@@ -1050,7 +1053,7 @@ impl<'a> BlockMapReader<'a> {
    }
 }

-impl<'a> BlockMapWriter<'a> {
+impl BlockMapWriter<'_> {
    pub fn insert(
        &mut self,
        blocks: impl IntoIterator<Item = BlockProperties<Anchor>>,
@@ -1236,26 +1239,45 @@ impl<'a> BlockMapWriter<'a> {
        self.remove(blocks_to_remove);
    }

-    pub fn fold_buffer(&mut self, buffer_id: BufferId, multi_buffer: &MultiBuffer, cx: &App) {
-        self.0.folded_buffers.insert(buffer_id);
-        self.recompute_blocks_for_buffer(buffer_id, multi_buffer, cx);
-    }
-
-    pub fn unfold_buffer(&mut self, buffer_id: BufferId, multi_buffer: &MultiBuffer, cx: &App) {
-        self.0.folded_buffers.remove(&buffer_id);
-        self.recompute_blocks_for_buffer(buffer_id, multi_buffer, cx);
-    }
-
-    fn recompute_blocks_for_buffer(
+    pub fn fold_buffers(
        &mut self,
-        buffer_id: BufferId,
+        buffer_ids: impl IntoIterator<Item = BufferId>,
        multi_buffer: &MultiBuffer,
        cx: &App,
    ) {
-        let wrap_snapshot = self.0.wrap_snapshot.borrow().clone();
+        self.fold_or_unfold_buffers(true, buffer_ids, multi_buffer, cx);
+    }
+
+    pub fn unfold_buffers(
+        &mut self,
+        buffer_ids: impl IntoIterator<Item = BufferId>,
+        multi_buffer: &MultiBuffer,
+        cx: &App,
+    ) {
+        self.fold_or_unfold_buffers(false, buffer_ids, multi_buffer, cx);
+    }
+
+    fn fold_or_unfold_buffers(
+        &mut self,
+        fold: bool,
+        buffer_ids: impl IntoIterator<Item = BufferId>,
+        multi_buffer: &MultiBuffer,
+        cx: &App,
+    ) {
+        let mut ranges = Vec::new();
+        for buffer_id in buffer_ids {
+            if fold {
+                self.0.folded_buffers.insert(buffer_id);
+            } else {
+                self.0.folded_buffers.remove(&buffer_id);
+            }
+            ranges.extend(multi_buffer.excerpt_ranges_for_buffer(buffer_id, cx));
+        }
+        ranges.sort_unstable_by_key(|range| range.start);

        let mut edits = Patch::default();
-        for range in multi_buffer.excerpt_ranges_for_buffer(buffer_id, cx) {
+        let wrap_snapshot = self.0.wrap_snapshot.borrow().clone();
+        for range in ranges {
            let last_edit_row = cmp::min(
                wrap_snapshot.make_wrap_point(range.end, Bias::Right).row() + 1,
                wrap_snapshot.max_point().row(),
@@ -1596,6 +1618,15 @@ impl BlockSnapshot {
        cursor.item().map_or(false, |t| t.block.is_some())
    }

+    pub(super) fn is_folded_buffer_header(&self, row: BlockRow) -> bool {
+        let mut cursor = self.transforms.cursor::<(BlockRow, WrapRow)>(&());
+        cursor.seek(&row, Bias::Right, &());
+        let Some(transform) = cursor.item() else {
+            return false;
+        };
+        matches!(transform.block, Some(Block::FoldedBuffer { .. }))
+    }
+
    pub(super) fn is_line_replaced(&self, row: MultiBufferRow) -> bool {
        let wrap_point = self
            .wrap_snapshot
@@ -1718,7 +1749,7 @@ impl BlockSnapshot {
    }
 }

-impl<'a> BlockChunks<'a> {
+impl BlockChunks<'_> {
    /// Go to the next transform
    fn advance(&mut self) {
        self.input_chunk = Chunk::default();
@@ -1834,7 +1865,7 @@ impl<'a> Iterator for BlockChunks<'a> {
    }
 }

-impl<'a> Iterator for BlockRows<'a> {
+impl Iterator for BlockRows<'_> {
    type Item = RowInfo;

    fn next(&mut self) -> Option<Self::Item> {
@@ -1930,7 +1961,7 @@ impl<'a> sum_tree::Dimension<'a, TransformSummary> for BlockRow {
    }
 }

-impl<'a> Deref for BlockContext<'a, '_> {
+impl Deref for BlockContext<'_, '_> {
    type Target = App;

    fn deref(&self) -> &Self::Target {
@@ -2727,7 +2758,7 @@ mod tests {

        let mut writer = block_map.write(wrap_snapshot.clone(), Patch::default());
        buffer.read_with(cx, |buffer, cx| {
-            writer.fold_buffer(buffer_id_1, buffer, cx);
+            writer.fold_buffers([buffer_id_1], buffer, cx);
        });
        let excerpt_blocks_1 = writer.insert(vec![BlockProperties {
            style: BlockStyle::Fixed,
@@ -2802,7 +2833,7 @@ mod tests {

        let mut writer = block_map.write(wrap_snapshot.clone(), Patch::default());
        buffer.read_with(cx, |buffer, cx| {
-            writer.fold_buffer(buffer_id_2, buffer, cx);
+            writer.fold_buffers([buffer_id_2], buffer, cx);
        });
        let blocks_snapshot = block_map.read(wrap_snapshot.clone(), Patch::default());
        let blocks = blocks_snapshot
@@ -2858,7 +2889,7 @@ mod tests {

        let mut writer = block_map.write(wrap_snapshot.clone(), Patch::default());
        buffer.read_with(cx, |buffer, cx| {
-            writer.unfold_buffer(buffer_id_1, buffer, cx);
+            writer.unfold_buffers([buffer_id_1], buffer, cx);
        });
        let blocks_snapshot = block_map.read(wrap_snapshot.clone(), Patch::default());
        let blocks = blocks_snapshot
@@ -2919,7 +2950,7 @@ mod tests {

        let mut writer = block_map.write(wrap_snapshot.clone(), Patch::default());
        buffer.read_with(cx, |buffer, cx| {
-            writer.fold_buffer(buffer_id_3, buffer, cx);
+            writer.fold_buffers([buffer_id_3], buffer, cx);
        });
        let blocks_snapshot = block_map.read(wrap_snapshot.clone(), Patch::default());
        let blocks = blocks_snapshot
@@ -2997,7 +3028,7 @@ mod tests {

        let mut writer = block_map.write(wrap_snapshot.clone(), Patch::default());
        buffer.read_with(cx, |buffer, cx| {
-            writer.fold_buffer(buffer_id, buffer, cx);
+            writer.fold_buffers([buffer_id], buffer, cx);
        });
        let blocks_snapshot = block_map.read(wrap_snapshot.clone(), Patch::default());
        let blocks = blocks_snapshot
@@ -3247,7 +3278,7 @@ mod tests {
                            );
                            folded_count += 1;
                            unfolded_count -= 1;
-                            block_map.fold_buffer(buffer_to_fold, buffer, cx);
+                            block_map.fold_buffers([buffer_to_fold], buffer, cx);
                        }
                        if unfold {
                            let buffer_to_unfold =
@@ -3255,7 +3286,7 @@ mod tests {
                            log::info!("Unfolding {buffer_to_unfold:?}");
                            unfolded_count += 1;
                            folded_count -= 1;
-                            block_map.unfold_buffer(buffer_to_unfold, buffer, cx);
+                            block_map.unfold_buffers([buffer_to_unfold], buffer, cx);
                        }
                        log::info!(
                            "Unfolded buffers: {unfolded_count}, folded buffers: {folded_count}"
--- a/crates/editor/src/display_map/fold_map.rs
+++ b/crates/editor/src/display_map/fold_map.rs
@@ -132,7 +132,7 @@ impl<'a> sum_tree::Dimension<'a, TransformSummary> for FoldPoint {

 pub(crate) struct FoldMapWriter<'a>(&'a mut FoldMap);

-impl<'a> FoldMapWriter<'a> {
+impl FoldMapWriter<'_> {
    pub(crate) fn fold<T: ToOffset>(
        &mut self,
        ranges: impl IntoIterator<Item = (Range<T>, FoldPlaceholder)>,
@@ -1121,7 +1121,7 @@ impl<'a> sum_tree::Dimension<'a, FoldSummary> for FoldRange {
    }
 }

-impl<'a> sum_tree::SeekTarget<'a, FoldSummary, FoldRange> for FoldRange {
+impl sum_tree::SeekTarget<'_, FoldSummary, FoldRange> for FoldRange {
    fn cmp(&self, other: &Self, buffer: &MultiBufferSnapshot) -> Ordering {
        AnchorRangeExt::cmp(&self.0, &other.0, buffer)
    }
@@ -1144,7 +1144,7 @@ pub struct FoldRows<'a> {
    fold_point: FoldPoint,
 }

-impl<'a> FoldRows<'a> {
+impl FoldRows<'_> {
    pub(crate) fn seek(&mut self, row: u32) {
        let fold_point = FoldPoint::new(row, 0);
        self.cursor.seek(&fold_point, Bias::Left, &());
@@ -1155,7 +1155,7 @@ impl<'a> FoldRows<'a> {
    }
 }

-impl<'a> Iterator for FoldRows<'a> {
+impl Iterator for FoldRows<'_> {
    type Item = RowInfo;

    fn next(&mut self) -> Option<Self::Item> {
@@ -1190,7 +1190,7 @@ pub struct FoldChunks<'a> {
    max_output_offset: FoldOffset,
 }

-impl<'a> FoldChunks<'a> {
+impl FoldChunks<'_> {
    pub(crate) fn seek(&mut self, range: Range<FoldOffset>) {
        self.transform_cursor.seek(&range.start, Bias::Right, &());

--- a/crates/editor/src/display_map/inlay_map.rs
+++ b/crates/editor/src/display_map/inlay_map.rs
@@ -215,7 +215,7 @@ pub struct InlayChunks<'a> {
    snapshot: &'a InlaySnapshot,
 }

-impl<'a> InlayChunks<'a> {
+impl InlayChunks<'_> {
    pub fn seek(&mut self, new_range: Range<InlayOffset>) {
        self.transforms.seek(&new_range.start, Bias::Right, &());

@@ -341,7 +341,7 @@ impl<'a> Iterator for InlayChunks<'a> {
    }
 }

-impl<'a> InlayBufferRows<'a> {
+impl InlayBufferRows<'_> {
    pub fn seek(&mut self, row: u32) {
        let inlay_point = InlayPoint::new(row, 0);
        self.transforms.seek(&inlay_point, Bias::Left, &());
@@ -363,7 +363,7 @@ impl<'a> InlayBufferRows<'a> {
    }
 }

-impl<'a> Iterator for InlayBufferRows<'a> {
+impl Iterator for InlayBufferRows<'_> {
    type Item = RowInfo;

    fn next(&mut self) -> Option<Self::Item> {
--- a/crates/editor/src/display_map/invisibles.rs
+++ b/crates/editor/src/display_map/invisibles.rs
@@ -45,7 +45,7 @@ pub fn is_invisible(c: char) -> bool {
 // ASCII control characters have fancy unicode glyphs, everything else
 // is replaced by a space - unless it is used in combining characters in
 // which case we need to leave it in the string.
-pub(crate) fn replacement(c: char) -> Option<&'static str> {
+pub fn replacement(c: char) -> Option<&'static str> {
    if c <= '\x1f' {
        Some(C0_SYMBOLS[c as usize])
    } else if c == '\x7f' {
--- a/crates/editor/src/display_map/tab_map.rs
+++ b/crates/editor/src/display_map/tab_map.rs
@@ -498,7 +498,7 @@ pub struct TabChunks<'a> {
    inside_leading_tab: bool,
 }

-impl<'a> TabChunks<'a> {
+impl TabChunks<'_> {
    pub(crate) fn seek(&mut self, range: Range<TabPoint>) {
        let (input_start, expanded_char_column, to_next_stop) =
            self.snapshot.to_fold_point(range.start, Bias::Left);
--- a/crates/editor/src/display_map/wrap_map.rs
+++ b/crates/editor/src/display_map/wrap_map.rs
@@ -69,7 +69,7 @@ pub struct WrapRows<'a> {
    transforms: Cursor<'a, Transform, (WrapPoint, TabPoint)>,
 }

-impl<'a> WrapRows<'a> {
+impl WrapRows<'_> {
    pub(crate) fn seek(&mut self, start_row: u32) {
        self.transforms
            .seek(&WrapPoint::new(start_row, 0), Bias::Left, &());
@@ -872,7 +872,7 @@ impl WrapSnapshot {
    }
 }

-impl<'a> WrapChunks<'a> {
+impl WrapChunks<'_> {
    pub(crate) fn seek(&mut self, rows: Range<u32>) {
        let output_start = WrapPoint::new(rows.start, 0);
        let output_end = WrapPoint::new(rows.end, 0);
@@ -955,7 +955,7 @@ impl<'a> Iterator for WrapChunks<'a> {
    }
 }

-impl<'a> Iterator for WrapRows<'a> {
+impl Iterator for WrapRows<'_> {
    type Item = RowInfo;

    fn next(&mut self) -> Option<Self::Item> {
@@ -1120,7 +1120,7 @@ impl<'a> sum_tree::Dimension<'a, TransformSummary> for TabPoint {
    }
 }

-impl<'a> sum_tree::SeekTarget<'a, TransformSummary, TransformSummary> for TabPoint {
+impl sum_tree::SeekTarget<'_, TransformSummary, TransformSummary> for TabPoint {
    fn cmp(&self, cursor_location: &TransformSummary, _: &()) -> std::cmp::Ordering {
        Ord::cmp(&self.0, &cursor_location.input.lines)
    }
--- a/crates/editor/src/editor.rs
+++ b/crates/editor/src/editor.rs
--- a/crates/editor/src/editor_settings.rs
+++ b/crates/editor/src/editor_settings.rs
@@ -177,7 +177,7 @@ impl<'de> Deserialize<'de> for ScrollbarDiagnostics {
    {
        struct Visitor;

-        impl<'de> serde::de::Visitor<'de> for Visitor {
+        impl serde::de::Visitor<'_> for Visitor {
            type Value = ScrollbarDiagnostics;

            fn expecting(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
--- a/crates/editor/src/editor_tests.rs
+++ b/crates/editor/src/editor_tests.rs
--- 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-cloud"><path d="M17.5 19H9a7 7 0 1 1 6.71-9h1.79a4.5 4.5 0 1 1 0 9Z"/></svg>`