Allow unsaved buffers to be formatted when using an external formatter

Disable indent guides for single line editors by default.
elixir: Fix mix test $ZED_SYMBOL task (#11879 )
2024-06-03 10:44:29 +02:00 · 2024-06-02 17:12:35 +02:00 · 2024-05-31 12:54:14 +02:00 · 2024-05-31 05:50:03 +03:00 · 2024-05-30 18:27:03 -04:00 · 2024-05-30 22:55:47 +02:00
322 changed files with 14859 additions and 9695 deletions
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,6 +23,7 @@ env:

 jobs:
  style:
+    timeout-minutes: 60
    name: Check formatting and spelling
    runs-on:
      - self-hosted
@@ -77,6 +78,7 @@ jobs:
          against: "https://github.com/${GITHUB_REPOSITORY}.git#branch=${BUF_BASE_BRANCH},subdir=crates/rpc/proto/"

  macos_tests:
+    timeout-minutes: 60
    name: (macOS) Run Clippy and tests
    runs-on:
      - self-hosted
@@ -101,6 +103,7 @@ jobs:

  # todo(linux): Actually run the tests
  linux_tests:
+    timeout-minutes: 60
    name: (Linux) Run Clippy and tests
    runs-on:
      - self-hosted
@@ -122,6 +125,7 @@ jobs:

  # todo(windows): Actually run the tests
  windows_tests:
+    timeout-minutes: 60
    name: (Windows) Run Clippy and tests
    runs-on: hosted-windows-1
    steps:
@@ -142,6 +146,7 @@ jobs:
        run: cargo build -p zed

  bundle-mac:
+    timeout-minutes: 60
    name: Create a macOS bundle
    runs-on:
      - self-hosted
@@ -252,6 +257,7 @@ jobs:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  bundle-linux:
+    timeout-minutes: 60
    name: Create a Linux bundle
    runs-on:
      - self-hosted
--- a/.github/workflows/release_nightly.yml
+++ b/.github/workflows/release_nightly.yml
@@ -15,6 +15,7 @@ env:

 jobs:
  style:
+    timeout-minutes: 60
    name: Check formatting and Clippy lints
    if: github.repository_owner == 'zed-industries'
    runs-on:
@@ -33,6 +34,7 @@ jobs:
      - name: Run clippy
        run: cargo xtask clippy
  tests:
+    timeout-minutes: 60
    name: Run tests
    if: github.repository_owner == 'zed-industries'
    runs-on:
@@ -49,6 +51,7 @@ jobs:
        uses: ./.github/actions/run_tests

  bundle-mac:
+    timeout-minutes: 60
    name: Create a macOS bundle
    if: github.repository_owner == 'zed-industries'
    runs-on:
@@ -91,6 +94,7 @@ jobs:
        run: script/upload-nightly macos

  bundle-deb:
+    timeout-minutes: 60
    name: Create a Linux *.tar.gz bundle
    if: github.repository_owner == 'zed-industries'
    runs-on:
--- a/.gitignore
+++ b/.gitignore
@@ -7,6 +7,8 @@
 /script/node_modules
 /crates/theme/schemas/theme.json
 /crates/collab/seed.json
+/crates/zed/resources/flatpak/flatpak-cargo-sources.json
+/dev.zed.Zed*.json
 /assets/*licenses.md
 **/venv
 .build
@@ -25,3 +27,4 @@ DerivedData/
 .blob_store
 .vscode
 .wrangler
+.flatpak-builder
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -230,6 +230,7 @@ dependencies = [
 "schemars",
 "serde",
 "serde_json",
+ "strum",
 "tokio",
 ]

@@ -337,6 +338,7 @@ version = "0.1.0"
 dependencies = [
 "anthropic",
 "anyhow",
+ "assistant_slash_command",
 "cargo_toml",
 "chrono",
 "client",
@@ -345,6 +347,7 @@ dependencies = [
 "ctor",
 "editor",
 "env_logger",
+ "feature_flags",
 "file_icons",
 "fs",
 "futures 0.3.28",
@@ -365,13 +368,16 @@ dependencies = [
 "rand 0.8.5",
 "regex",
 "rope",
+ "rustdoc_to_markdown",
 "schemars",
 "search",
+ "semantic_index",
 "serde",
 "serde_json",
 "settings",
 "smol",
 "strsim 0.11.1",
+ "strum",
 "telemetry_events",
 "theme",
 "tiktoken-rs",
@@ -384,45 +390,15 @@ dependencies = [
 ]

 [[package]]
-name = "assistant2"
+name = "assistant_slash_command"
 version = "0.1.0"
 dependencies = [
 "anyhow",
- "assets",
- "assistant_tooling",
- "chrono",
- "client",
 "collections",
- "editor",
- "env_logger",
- "feature_flags",
- "file_icons",
- "fs",
- "futures 0.3.28",
- "fuzzy",
+ "derive_more",
 "gpui",
- "http 0.1.0",
 "language",
- "languages",
- "log",
- "markdown",
- "node_runtime",
- "open_ai",
- "picker",
- "project",
- "rand 0.8.5",
- "regex",
- "release_channel",
- "schemars",
- "semantic_index",
- "serde",
- "serde_json",
- "settings",
- "story",
- "theme",
- "ui",
- "unindent",
- "util",
+ "parking_lot",
 "workspace",
 ]

@@ -1537,7 +1513,7 @@ dependencies = [
 [[package]]
 name = "blade-graphics"
 version = "0.4.0"
-source = "git+https://github.com/kvark/blade?rev=e35b2d41f221a48b75f7cf2e78a81e7ecb7a383c#e35b2d41f221a48b75f7cf2e78a81e7ecb7a383c"
+source = "git+https://github.com/kvark/blade?rev=bdaf8c534fbbc9fbca71d1cf272f45640b3a068d#bdaf8c534fbbc9fbca71d1cf272f45640b3a068d"
 dependencies = [
 "ash",
 "ash-window",
@@ -1567,13 +1543,24 @@ dependencies = [
 [[package]]
 name = "blade-macros"
 version = "0.2.1"
-source = "git+https://github.com/kvark/blade?rev=e35b2d41f221a48b75f7cf2e78a81e7ecb7a383c#e35b2d41f221a48b75f7cf2e78a81e7ecb7a383c"
+source = "git+https://github.com/kvark/blade?rev=bdaf8c534fbbc9fbca71d1cf272f45640b3a068d#bdaf8c534fbbc9fbca71d1cf272f45640b3a068d"
 dependencies = [
 "proc-macro2",
 "quote",
 "syn 2.0.59",
 ]

+[[package]]
+name = "blade-util"
+version = "0.1.0"
+source = "git+https://github.com/kvark/blade?rev=bdaf8c534fbbc9fbca71d1cf272f45640b3a068d#bdaf8c534fbbc9fbca71d1cf272f45640b3a068d"
+dependencies = [
+ "blade-graphics",
+ "bytemuck",
+ "log",
+ "profiling",
+]
+
 [[package]]
 name = "block"
 version = "0.1.6"
@@ -3227,10 +3214,11 @@ dependencies = [

 [[package]]
 name = "deranged"
-version = "0.3.8"
+version = "0.3.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f2696e8a945f658fd14dc3b87242e6b80cd0f36ff04ea560fa39082368847946"
+checksum = "b42b6fa04a440b495c8b04d0e71b707c585f83cb9cb28cf8cd0d976c315e31b4"
 dependencies = [
+ "powerfmt",
 "serde",
 ]

@@ -3405,7 +3393,7 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "330c60081dcc4c72131f8eb70510f1ac07223e5d4163db481a04a0befcffa412"
 dependencies = [
- "libloading 0.8.0",
+ "libloading 0.7.4",
 ]

 [[package]]
@@ -3771,6 +3759,7 @@ name = "extension"
 version = "0.1.0"
 dependencies = [
 "anyhow",
+ "assistant_slash_command",
 "async-compression",
 "async-tar",
 "async-trait",
@@ -3800,6 +3789,7 @@ dependencies = [
 "task",
 "theme",
 "toml 0.8.10",
+ "ui",
 "url",
 "util",
 "wasm-encoder",
@@ -3807,6 +3797,7 @@ dependencies = [
 "wasmtime",
 "wasmtime-wasi",
 "wit-component",
+ "workspace",
 ]

 [[package]]
@@ -4215,6 +4206,7 @@ name = "fs"
 version = "0.1.0"
 dependencies = [
 "anyhow",
+ "ashpd",
 "async-tar",
 "async-trait",
 "cocoa",
@@ -4713,6 +4705,7 @@ dependencies = [
 "bindgen 0.65.1",
 "blade-graphics",
 "blade-macros",
+ "blade-util",
 "block",
 "bytemuck",
 "calloop",
@@ -4955,8 +4948,9 @@ dependencies = [

 [[package]]
 name = "heed"
-version = "0.20.0-alpha.9"
-source = "git+https://github.com/meilisearch/heed?rev=036ac23f73a021894974b9adc815bc95b3e0482a#036ac23f73a021894974b9adc815bc95b3e0482a"
+version = "0.20.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6f7acb9683d7c7068aa46d47557bfa4e35a277964b350d9504a87b03610163fd"
 dependencies = [
 "bitflags 2.4.2",
 "byteorder",
@@ -4973,13 +4967,15 @@ dependencies = [

 [[package]]
 name = "heed-traits"
-version = "0.20.0-alpha.9"
-source = "git+https://github.com/meilisearch/heed?rev=036ac23f73a021894974b9adc815bc95b3e0482a#036ac23f73a021894974b9adc815bc95b3e0482a"
+version = "0.20.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eb3130048d404c57ce5a1ac61a903696e8fcde7e8c2991e9fcfc1f27c3ef74ff"

 [[package]]
 name = "heed-types"
-version = "0.20.0-alpha.9"
-source = "git+https://github.com/meilisearch/heed?rev=036ac23f73a021894974b9adc815bc95b3e0482a#036ac23f73a021894974b9adc815bc95b3e0482a"
+version = "0.20.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3cb0d6ba3700c9a57e83c013693e3eddb68a6d9b6781cacafc62a0d992e8ddb3"
 dependencies = [
 "bincode",
 "byteorder",
@@ -5069,6 +5065,20 @@ version = "3.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4d13cdbd5dbb29f9c88095bbdc2590c9cba0d0a1269b983fef6b2cdd7e9f4db1"

+[[package]]
+name = "html5ever"
+version = "0.27.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c13771afe0e6e846f1e67d038d4cb29998a6779f93c809212e4e9c32efd244d4"
+dependencies = [
+ "log",
+ "mac",
+ "markup5ever",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.59",
+]
+
 [[package]]
 name = "http"
 version = "0.1.0"
@@ -5728,7 +5738,7 @@ dependencies = [
 "tree-sitter-embedded-template",
 "tree-sitter-heex",
 "tree-sitter-html",
- "tree-sitter-json 0.20.0",
+ "tree-sitter-json",
 "tree-sitter-markdown",
 "tree-sitter-ruby",
 "tree-sitter-rust",
@@ -5818,7 +5828,7 @@ dependencies = [
 "tree-sitter-gomod",
 "tree-sitter-gowork",
 "tree-sitter-jsdoc",
- "tree-sitter-json 0.20.0",
+ "tree-sitter-json",
 "tree-sitter-markdown",
 "tree-sitter-proto",
 "tree-sitter-python",
@@ -6033,8 +6043,9 @@ dependencies = [

 [[package]]
 name = "lmdb-master-sys"
-version = "0.1.0"
-source = "git+https://github.com/meilisearch/heed?rev=036ac23f73a021894974b9adc815bc95b3e0482a#036ac23f73a021894974b9adc815bc95b3e0482a"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc9048db3a58c0732d7236abc4909058f9d2708cfb6d7d047eb895fddec6419a"
 dependencies = [
 "cc",
 "doxygen-rs",
@@ -6189,6 +6200,32 @@ dependencies = [
 "workspace",
 ]

+[[package]]
+name = "markup5ever"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "16ce3abbeba692c8b8441d036ef91aea6df8da2c6b6e21c7e14d3c18e526be45"
+dependencies = [
+ "log",
+ "phf",
+ "phf_codegen",
+ "string_cache",
+ "string_cache_codegen",
+ "tendril",
+]
+
+[[package]]
+name = "markup5ever_rcdom"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "edaa21ab3701bfee5099ade5f7e1f84553fd19228cf332f13cd6e964bf59be18"
+dependencies = [
+ "html5ever",
+ "markup5ever",
+ "tendril",
+ "xml5ever",
+]
+
 [[package]]
 name = "matchers"
 version = "0.1.0"
@@ -6688,6 +6725,12 @@ dependencies = [
 "num-traits",
 ]

+[[package]]
+name = "num-conv"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "51d515d32fb182ee37cda2ccdcb92950d6a3c2893aa280e540671c2cd0f3b1d9"
+
 [[package]]
 name = "num-derive"
 version = "0.3.3"
@@ -6942,6 +6985,7 @@ dependencies = [
 "schemars",
 "serde",
 "serde_json",
+ "strum",
 ]

 [[package]]
@@ -7288,7 +7332,27 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ade2d8b8f33c7333b51bcf0428d37e217e9f32192ae4772156f65063b8ce03dc"
 dependencies = [
 "phf_macros",
- "phf_shared",
+ "phf_shared 0.11.2",
+]
+
+[[package]]
+name = "phf_codegen"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e8d39688d359e6b34654d328e262234662d16cc0f60ec8dcbe5e718709342a5a"
+dependencies = [
+ "phf_generator 0.11.2",
+ "phf_shared 0.11.2",
+]
+
+[[package]]
+name = "phf_generator"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5d5285893bb5eb82e6aaf5d59ee909a06a16737a8970984dd7746ba9283498d6"
+dependencies = [
+ "phf_shared 0.10.0",
+ "rand 0.8.5",
 ]

 [[package]]
@@ -7297,7 +7361,7 @@ version = "0.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "48e4cc64c2ad9ebe670cb8fd69dd50ae301650392e81c05f9bfcb2d5bdbc24b0"
 dependencies = [
- "phf_shared",
+ "phf_shared 0.11.2",
 "rand 0.8.5",
 ]

@@ -7307,13 +7371,22 @@ version = "0.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3444646e286606587e49f3bcf1679b8cef1dc2c5ecc29ddacaffc305180d464b"
 dependencies = [
- "phf_generator",
- "phf_shared",
+ "phf_generator 0.11.2",
+ "phf_shared 0.11.2",
 "proc-macro2",
 "quote",
 "syn 2.0.59",
 ]

+[[package]]
+name = "phf_shared"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6796ad771acdc0123d2a88dc428b5e38ef24456743ddb1744ed628f9815c096"
+dependencies = [
+ "siphasher 0.3.11",
+]
+
 [[package]]
 name = "phf_shared"
 version = "0.11.2"
@@ -7545,12 +7618,24 @@ dependencies = [
 "thiserror",
 ]

+[[package]]
+name = "powerfmt"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391"
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"

+[[package]]
+name = "precomputed-hash"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "925383efa346730478fb4838dbe9137d2a47675ad789c546d150a6e1dd4ab31c"
+
 [[package]]
 name = "prettier"
 version = "0.1.0"
@@ -7695,6 +7780,7 @@ dependencies = [
 "lsp",
 "node_runtime",
 "parking_lot",
+ "pathdiff",
 "postage",
 "prettier",
 "pretty_assertions",
@@ -8067,6 +8153,7 @@ name = "recent_projects"
 version = "0.1.0"
 dependencies = [
 "anyhow",
+ "client",
 "dev_server_projects",
 "editor",
 "feature_flags",
@@ -8548,6 +8635,18 @@ dependencies = [
 "semver",
 ]

+[[package]]
+name = "rustdoc_to_markdown"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "html5ever",
+ "indoc",
+ "markup5ever_rcdom",
+ "pretty_assertions",
+ "regex",
+]
+
 [[package]]
 name = "rustix"
 version = "0.37.23"
@@ -9112,7 +9211,7 @@ dependencies = [
 "serde_json_lenient",
 "smallvec",
 "tree-sitter",
- "tree-sitter-json 0.19.0",
+ "tree-sitter-json",
 "unindent",
 "util",
 ]
@@ -9796,6 +9895,32 @@ dependencies = [
 "float-cmp",
 ]

+[[package]]
+name = "string_cache"
+version = "0.8.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f91138e76242f575eb1d3b38b4f1362f10d3a43f47d182a5b359af488a02293b"
+dependencies = [
+ "new_debug_unreachable",
+ "once_cell",
+ "parking_lot",
+ "phf_shared 0.10.0",
+ "precomputed-hash",
+ "serde",
+]
+
+[[package]]
+name = "string_cache_codegen"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6bb30289b722be4ff74a408c3cc27edeaad656e06cb1fe8fa9231fa59c728988"
+dependencies = [
+ "phf_generator 0.10.0",
+ "phf_shared 0.10.0",
+ "proc-macro2",
+ "quote",
+]
+
 [[package]]
 name = "stringprep"
 version = "0.1.4"
@@ -10146,6 +10271,7 @@ dependencies = [
 name = "tasks_ui"
 version = "0.1.0"
 dependencies = [
+ "anyhow",
 "editor",
 "file_icons",
 "fuzzy",
@@ -10418,12 +10544,14 @@ dependencies = [

 [[package]]
 name = "time"
-version = "0.3.28"
+version = "0.3.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "17f6bb557fd245c28e6411aa56b6403c689ad95061f50e4be16c274e70a17e48"
+checksum = "5dfd88e563464686c916c7e46e623e520ddc6d79fa6641390f2e3fa86e83e885"
 dependencies = [
 "deranged",
 "itoa",
+ "num-conv",
+ "powerfmt",
 "serde",
 "time-core",
 "time-macros",
@@ -10431,16 +10559,17 @@ dependencies = [

 [[package]]
 name = "time-core"
-version = "0.1.1"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7300fbefb4dadc1af235a9cef3737cea692a9d97e1b9cbcd4ebdae6f8868e6fb"
+checksum = "ef927ca75afb808a4d64dd374f00a2adf8d0fcff8e7b184af886c3c87ec4a3f3"

 [[package]]
 name = "time-macros"
-version = "0.2.14"
+version = "0.2.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a942f44339478ef67935ab2bbaec2fb0322496cf3cbe84b261e06ac3814c572"
+checksum = "3f252a68540fde3a3877aeea552b832b40ab9a69e318efd078774a01ddee1ccf"
 dependencies = [
+ "num-conv",
 "time-core",
 ]

@@ -10867,8 +10996,9 @@ dependencies = [

 [[package]]
 name = "tree-sitter-bash"
-version = "0.20.4"
-source = "git+https://github.com/tree-sitter/tree-sitter-bash?rev=7331995b19b8f8aba2d5e26deb51d2195c18bc94#7331995b19b8f8aba2d5e26deb51d2195c18bc94"
+version = "0.20.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "57da2032c37eb2ce29fd18df7d3b94355fec8d6d854d8f80934955df542b5906"
 dependencies = [
 "cc",
 "tree-sitter",
@@ -10886,8 +11016,9 @@ dependencies = [

 [[package]]
 name = "tree-sitter-cpp"
-version = "0.20.0"
-source = "git+https://github.com/tree-sitter/tree-sitter-cpp?rev=f44509141e7e483323d2ec178f2d2e6c0fc041c1#f44509141e7e483323d2ec178f2d2e6c0fc041c1"
+version = "0.20.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "46b04a5ada71059afb9895966a6cc1094acc8d2ea1971006db26573e7dfebb74"
 dependencies = [
 "cc",
 "tree-sitter",
@@ -10895,8 +11026,9 @@ dependencies = [

 [[package]]
 name = "tree-sitter-css"
-version = "0.19.0"
-source = "git+https://github.com/tree-sitter/tree-sitter-css?rev=769203d0f9abe1a9a691ac2b9fe4bb4397a73c51#769203d0f9abe1a9a691ac2b9fe4bb4397a73c51"
+version = "0.20.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c3306ddefa1d2681adda2613d11974ffabfbeb215e23235da6c862f3493a04fd"
 dependencies = [
 "cc",
 "tree-sitter",
@@ -10904,8 +11036,9 @@ dependencies = [

 [[package]]
 name = "tree-sitter-elixir"
-version = "0.1.0"
-source = "git+https://github.com/elixir-lang/tree-sitter-elixir?rev=a2861e88a730287a60c11ea9299c033c7d076e30#a2861e88a730287a60c11ea9299c033c7d076e30"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1bc0b1f3e6d9f12ca22ae5171f32fd154e3aea29dff565d05ef785c28931415b"
 dependencies = [
 "cc",
 "tree-sitter",
@@ -10932,8 +11065,9 @@ dependencies = [

 [[package]]
 name = "tree-sitter-gomod"
-version = "1.0.2"
-source = "git+https://github.com/camdencheek/tree-sitter-go-mod#bbe2fe3be4b87e06a613e685250f473d2267f430"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "31d0a848a3a4a383fb97ef91241d972c3b996567cdc59040ad2c6fc48b874992"
 dependencies = [
 "cc",
 "tree-sitter",
@@ -10978,18 +11112,9 @@ dependencies = [

 [[package]]
 name = "tree-sitter-json"
-version = "0.19.0"
+version = "0.20.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90b04c4e1a92139535eb9fca4ec8fa9666cc96b618005d3ae35f3c957fa92f92"
-dependencies = [
- "cc",
- "tree-sitter",
-]
-
-[[package]]
-name = "tree-sitter-json"
-version = "0.20.0"
-source = "git+https://github.com/tree-sitter/tree-sitter-json?rev=40a81c01a40ac48744e0c8ccabbaba1920441199#40a81c01a40ac48744e0c8ccabbaba1920441199"
+checksum = "5a9a38a9c679b55cc8d17350381ec08d69fa1a17a53fcf197f344516e485ed4d"
 dependencies = [
 "cc",
 "tree-sitter",
@@ -11055,8 +11180,9 @@ dependencies = [

 [[package]]
 name = "tree-sitter-typescript"
-version = "0.20.2"
-source = "git+https://github.com/tree-sitter/tree-sitter-typescript?rev=5d20856f34315b068c41edaee2ac8a100081d259#5d20856f34315b068c41edaee2ac8a100081d259"
+version = "0.20.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c8bc1d2c24276a48ef097a71b56888ac9db63717e8f8d0b324668a27fd619670"
 dependencies = [
 "cc",
 "tree-sitter",
@@ -11065,7 +11191,8 @@ dependencies = [
 [[package]]
 name = "tree-sitter-yaml"
 version = "0.0.1"
-source = "git+https://github.com/zed-industries/tree-sitter-yaml?rev=f545a41f57502e1b5ddf2a6668896c1b0620f930#f545a41f57502e1b5ddf2a6668896c1b0620f930"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "324767d0ad6bc588467aa4b98f6f5cd6eda64ece1eae568f8fcf5b899bcf0fe9"
 dependencies = [
 "cc",
 "tree-sitter",
@@ -12237,11 +12364,11 @@ checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"

 [[package]]
 name = "winapi-util"
-version = "0.1.6"
+version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f29e6f9198ba0d26b4c9f07dbe6f9ed633e1f3d5b8b414090084349e46a52596"
+checksum = "4d4cc384e1e73b93bafa6fb4f1df8c41695c8a91cf9c4c64358067d15a7b6c6b"
 dependencies = [
- "winapi",
+ "windows-sys 0.52.0",
 ]

 [[package]]
@@ -12781,6 +12908,7 @@ dependencies = [
 "client",
 "clock",
 "collections",
+ "env_logger",
 "fs",
 "futures 0.3.28",
 "fuzzy",
@@ -12918,6 +13046,17 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "054a8e68b76250b253f671d1268cb7f1ae089ec35e195b2efb2a4e9a836d0621"

+[[package]]
+name = "xml5ever"
+version = "0.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7c376f76ed09df711203e20c3ef5ce556f0166fa03d39590016c0fd625437fad"
+dependencies = [
+ "log",
+ "mac",
+ "markup5ever",
+]
+
 [[package]]
 name = "xmlparser"
 version = "0.13.5"
@@ -13039,7 +13178,7 @@ dependencies = [

 [[package]]
 name = "zed"
-version = "0.138.0"
+version = "0.139.0"
 dependencies = [
 "activity_indicator",
 "anyhow",
@@ -13233,7 +13372,7 @@ dependencies = [
 name = "zed_gleam"
 version = "0.1.3"
 dependencies = [
- "zed_extension_api 0.0.6",
+ "zed_extension_api 0.0.7",
 ]

 [[package]]
@@ -13273,7 +13412,7 @@ dependencies = [

 [[package]]
 name = "zed_php"
-version = "0.0.4"
+version = "0.0.5"
 dependencies = [
 "zed_extension_api 0.0.4",
 ]
@@ -13294,7 +13433,7 @@ dependencies = [

 [[package]]
 name = "zed_ruby"
-version = "0.0.4"
+version = "0.0.6"
 dependencies = [
 "zed_extension_api 0.0.6",
 ]
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,7 +4,7 @@ members = [
    "crates/anthropic",
    "crates/assets",
    "crates/assistant",
-    "crates/assistant2",
+    "crates/assistant_slash_command",
    "crates/assistant_tooling",
    "crates/audio",
    "crates/auto_update",
@@ -76,6 +76,7 @@ members = [
    "crates/rich_text",
    "crates/rope",
    "crates/rpc",
+    "crates/rustdoc_to_markdown",
    "crates/task",
    "crates/tasks_ui",
    "crates/search",
@@ -147,7 +148,7 @@ ai = { path = "crates/ai" }
 anthropic = { path = "crates/anthropic" }
 assets = { path = "crates/assets" }
 assistant = { path = "crates/assistant" }
-assistant2 = { path = "crates/assistant2" }
+assistant_slash_command = { path = "crates/assistant_slash_command" }
 assistant_tooling = { path = "crates/assistant_tooling" }
 audio = { path = "crates/audio" }
 auto_update = { path = "crates/auto_update" }
@@ -220,6 +221,7 @@ dev_server_projects = { path = "crates/dev_server_projects" }
 rich_text = { path = "crates/rich_text" }
 rope = { path = "crates/rope" }
 rpc = { path = "crates/rpc" }
+rustdoc_to_markdown = { path = "crates/rustdoc_to_markdown" }
 task = { path = "crates/task" }
 tasks_ui = { path = "crates/tasks_ui" }
 search = { path = "crates/search" }
@@ -255,6 +257,7 @@ zed_actions = { path = "crates/zed_actions" }

 anyhow = "1.0.57"
 any_vec = "0.13"
+ashpd = "0.8.0"
 async-compression = { version = "0.4", features = ["gzip", "futures-io"] }
 async-fs = "1.6"
 async-recursion = "1.0.0"
@@ -262,8 +265,9 @@ async-tar = "0.4.2"
 async-trait = "0.1"
 async_zip = { version = "0.0.17", features = ["deflate", "deflate64"] }
 bitflags = "2.4.2"
-blade-graphics = { git = "https://github.com/kvark/blade", rev = "e35b2d41f221a48b75f7cf2e78a81e7ecb7a383c" }
-blade-macros = { git = "https://github.com/kvark/blade", rev = "e35b2d41f221a48b75f7cf2e78a81e7ecb7a383c" }
+blade-graphics = { git = "https://github.com/kvark/blade", rev = "bdaf8c534fbbc9fbca71d1cf272f45640b3a068d" }
+blade-macros = { git = "https://github.com/kvark/blade", rev = "bdaf8c534fbbc9fbca71d1cf272f45640b3a068d" }
+blade-util = { git = "https://github.com/kvark/blade", rev = "bdaf8c534fbbc9fbca71d1cf272f45640b3a068d" }
 cap-std = "3.0"
 cargo_toml = "0.20"
 chrono = { version = "0.4", features = ["serde"] }
@@ -283,10 +287,9 @@ futures-batch = "0.6.1"
 futures-lite = "1.13"
 git2 = { version = "0.18", default-features = false }
 globset = "0.4"
-heed = { git = "https://github.com/meilisearch/heed", rev = "036ac23f73a021894974b9adc815bc95b3e0482a", features = [
-    "read-txn-no-tls",
-] }
+heed = { version = "0.20.1", features = ["read-txn-no-tls"] }
 hex = "0.4.3"
+html5ever = "0.27.0"
 ignore = "0.4.22"
 indoc = "1"
 # We explicitly disable http2 support in isahc.
@@ -299,12 +302,14 @@ lazy_static = "1.4.0"
 libc = "0.2"
 linkify = "0.10.0"
 log = { version = "0.4.16", features = ["kv_unstable_serde"] }
+markup5ever_rcdom = "0.3.0"
 nanoid = "0.4"
 nix = "0.28"
 once_cell = "1.19.0"
 ordered-float = "2.1.1"
 palette = { version = "0.7.5", default-features = false, features = ["std"] }
 parking_lot = "0.12.1"
+pathdiff = "0.2"
 profiling = "1"
 postage = { version = "0.5", features = ["futures-traits"] }
 pretty_assertions = "1.3.0"
@@ -350,28 +355,28 @@ toml = "0.8"
 tokio = { version = "1", features = ["full"] }
 tower-http = "0.4.4"
 tree-sitter = { version = "0.20", features = ["wasm"] }
-tree-sitter-bash = { git = "https://github.com/tree-sitter/tree-sitter-bash", rev = "7331995b19b8f8aba2d5e26deb51d2195c18bc94" }
+tree-sitter-bash = "0.20.5"
 tree-sitter-c = "0.20.1"
-tree-sitter-cpp = { git = "https://github.com/tree-sitter/tree-sitter-cpp", rev = "f44509141e7e483323d2ec178f2d2e6c0fc041c1" }
-tree-sitter-css = { git = "https://github.com/tree-sitter/tree-sitter-css", rev = "769203d0f9abe1a9a691ac2b9fe4bb4397a73c51" }
-tree-sitter-elixir = { git = "https://github.com/elixir-lang/tree-sitter-elixir", rev = "a2861e88a730287a60c11ea9299c033c7d076e30" }
+tree-sitter-cpp = "0.20.5"
+tree-sitter-css = "0.20"
+tree-sitter-elixir = "0.1.1"
 tree-sitter-embedded-template = "0.20.0"
 tree-sitter-go = { git = "https://github.com/tree-sitter/tree-sitter-go", rev = "b82ab803d887002a0af11f6ce63d72884580bf33" }
-tree-sitter-gomod = { git = "https://github.com/camdencheek/tree-sitter-go-mod" }
+tree-sitter-gomod = "1.0.1"
 tree-sitter-gowork = { git = "https://github.com/d1y/tree-sitter-go-work" }
 rustc-demangle = "0.1.23"
 tree-sitter-heex = { git = "https://github.com/phoenixframework/tree-sitter-heex", rev = "2e1348c3cf2c9323e87c2744796cf3f3868aa82a" }
 tree-sitter-html = "0.19.0"
 tree-sitter-jsdoc = { git = "https://github.com/tree-sitter/tree-sitter-jsdoc", rev = "6a6cf9e7341af32d8e2b2e24a37fbfebefc3dc55" }
-tree-sitter-json = { git = "https://github.com/tree-sitter/tree-sitter-json", rev = "40a81c01a40ac48744e0c8ccabbaba1920441199" }
+tree-sitter-json = "0.20.2"
 tree-sitter-markdown = { git = "https://github.com/MDeiml/tree-sitter-markdown", rev = "330ecab87a3e3a7211ac69bbadc19eabecdb1cca" }
 tree-sitter-proto = { git = "https://github.com/rewinfrey/tree-sitter-proto", rev = "36d54f288aee112f13a67b550ad32634d0c2cb52" }
 tree-sitter-python = "0.20.2"
 tree-sitter-regex = "0.20.0"
 tree-sitter-ruby = "0.20.0"
 tree-sitter-rust = "0.20.3"
-tree-sitter-typescript = { git = "https://github.com/tree-sitter/tree-sitter-typescript", rev = "5d20856f34315b068c41edaee2ac8a100081d259" }
-tree-sitter-yaml = { git = "https://github.com/zed-industries/tree-sitter-yaml", rev = "f545a41f57502e1b5ddf2a6668896c1b0620f930" }
+tree-sitter-typescript = "0.20.5"
+tree-sitter-yaml = "0.0.1"
 unindent = "0.1.7"
 unicase = "2.6"
 unicode-segmentation = "1.10"
@@ -489,5 +494,10 @@ non_canonical_partial_ord_impl = "allow"
 reversed_empty_ranges = "allow"
 type_complexity = "allow"

+[workspace.lints.rust]
+unexpected_cfgs = { level = "warn", check-cfg = [
+    'cfg(gles)', # used in gpui
+] }
+
 [workspace.metadata.cargo-machete]
 ignored = ["bindgen", "cbindgen", "prost_build", "serde"]
--- a/assets/icons/arrow_down_from_line.svg
+++ b/assets/icons/arrow_down_from_line.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-arrow-down-from-line"><path d="M19 3H5"/><path d="M12 21V7"/><path d="m6 15 6 6 6-6"/></svg>
--- a/assets/icons/arrow_up_from_line.svg
+++ b/assets/icons/arrow_up_from_line.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-arrow-up-from-line"><path d="m18 9-6-6-6 6"/><path d="M12 3v14"/><path d="M5 21h14"/></svg>
--- a/assets/icons/file_icons/file_types.json
+++ b/assets/icons/file_icons/file_types.json
@@ -1,15 +1,15 @@
 {
  "stems": {
+    "Dockerfile": "docker",
    "Podfile": "ruby",
-    "Procfile": "heroku",
-    "Dockerfile": "docker"
+    "Procfile": "heroku"
  },
  "suffixes": {
-    "astro": "astro",
    "Emakefile": "erlang",
    "aac": "audio",
    "accdb": "storage",
    "app.src": "erlang",
+    "astro": "astro",
    "avi": "video",
    "avif": "image",
    "bak": "backup",
@@ -22,12 +22,12 @@
    "c": "c",
    "cc": "cpp",
    "cjs": "javascript",
+    "coffee": "coffeescript",
    "conf": "settings",
    "cpp": "cpp",
    "css": "css",
    "csv": "storage",
    "cts": "typescript",
-    "coffee": "coffeescript",
    "dart": "dart",
    "dat": "storage",
    "db": "storage",
@@ -61,12 +61,12 @@
    "graphql": "graphql",
    "graphqls": "graphql",
    "h": "c",
-    "hpp": "cpp",
    "handlebars": "code",
    "hbs": "template",
    "heex": "elixir",
-    "heif": "image",
    "heic": "image",
+    "heif": "image",
+    "hpp": "cpp",
    "hrl": "erlang",
    "hs": "haskell",
    "htm": "template",
@@ -81,9 +81,9 @@
    "jpeg": "image",
    "jpg": "image",
    "js": "javascript",
-    "jsx": "react",
    "json": "storage",
    "jsonc": "storage",
+    "jsx": "react",
    "jxl": "image",
    "kt": "kotlin",
    "ldf": "storage",
@@ -98,9 +98,9 @@
    "mdf": "storage",
    "mdx": "document",
    "metadata": "code",
-    "mkv": "video",
    "mjs": "javascript",
    "mka": "audio",
+    "mkv": "video",
    "ml": "ocaml",
    "mli": "ocaml",
    "mov": "video",
@@ -109,8 +109,8 @@
    "mts": "typescript",
    "myd": "storage",
    "myi": "storage",
-    "nu": "terminal",
    "nim": "nim",
+    "nu": "terminal",
    "odp": "document",
    "ods": "document",
    "odt": "document",
@@ -132,33 +132,33 @@
    "psd": "image",
    "py": "python",
    "qoi": "image",
+    "r": "r",
    "rb": "ruby",
    "rebar.config": "erlang",
    "rkt": "code",
    "rs": "rust",
-    "r": "r",
    "rtf": "document",
    "sav": "storage",
+    "sc": "scala",
+    "scala": "scala",
    "scm": "code",
    "sdf": "storage",
    "sh": "terminal",
+    "sql": "storage",
    "sqlite": "storage",
    "svelte": "template",
    "svg": "image",
-    "sc": "scala",
-    "scala": "scala",
-    "sql": "storage",
    "swift": "swift",
+    "tcl": "tcl",
    "tf": "terraform",
    "tfvars": "terraform",
    "tiff": "image",
    "toml": "toml",
    "ts": "typescript",
    "tsv": "storage",
-    "ttf": "font",
    "tsx": "react",
+    "ttf": "font",
    "txt": "document",
-    "tcl": "tcl",
    "vue": "vue",
    "wav": "audio",
    "webm": "video",
@@ -190,27 +190,30 @@
    "audio": {
      "icon": "icons/file_icons/audio.svg"
    },
+    "bun": {
+      "icon": "icons/file_icons/bun.svg"
+    },
+    "c": {
+      "icon": "icons/file_icons/c.svg"
+    },
    "code": {
      "icon": "icons/file_icons/code.svg"
    },
+    "coffeescript": {
+      "icon": "icons/file_icons/coffeescript.svg"
+    },
    "collapsed_chevron": {
      "icon": "icons/file_icons/chevron_right.svg"
    },
    "collapsed_folder": {
      "icon": "icons/file_icons/folder.svg"
    },
-    "c": {
-      "icon": "icons/file_icons/c.svg"
-    },
    "cpp": {
      "icon": "icons/file_icons/cpp.svg"
    },
    "css": {
      "icon": "icons/file_icons/css.svg"
    },
-    "coffeescript": {
-      "icon": "icons/file_icons/coffeescript.svg"
-    },
    "dart": {
      "icon": "icons/file_icons/dart.svg"
    },
@@ -247,18 +250,18 @@
    "fsharp": {
      "icon": "icons/file_icons/fsharp.svg"
    },
-    "haskell": {
-      "icon": "icons/file_icons/haskell.svg"
-    },
-    "heroku": {
-      "icon": "icons/file_icons/heroku.svg"
-    },
    "go": {
      "icon": "icons/file_icons/go.svg"
    },
    "graphql": {
      "icon": "icons/file_icons/graphql.svg"
    },
+    "haskell": {
+      "icon": "icons/file_icons/haskell.svg"
+    },
+    "heroku": {
+      "icon": "icons/file_icons/heroku.svg"
+    },
    "image": {
      "icon": "icons/file_icons/image.svg"
    },
@@ -274,21 +277,18 @@
    "lock": {
      "icon": "icons/file_icons/lock.svg"
    },
-    "bun": {
-      "icon": "icons/file_icons/bun.svg"
-    },
    "log": {
      "icon": "icons/file_icons/info.svg"
    },
    "lua": {
      "icon": "icons/file_icons/lua.svg"
    },
-    "ocaml": {
-      "icon": "icons/file_icons/ocaml.svg"
-    },
    "nim": {
      "icon": "icons/file_icons/nim.svg"
    },
+    "ocaml": {
+      "icon": "icons/file_icons/ocaml.svg"
+    },
    "phoenix": {
      "icon": "icons/file_icons/phoenix.svg"
    },
@@ -316,36 +316,36 @@
    "rust": {
      "icon": "icons/file_icons/rust.svg"
    },
+    "scala": {
+      "icon": "icons/file_icons/scala.svg"
+    },
    "settings": {
      "icon": "icons/file_icons/settings.svg"
    },
    "storage": {
      "icon": "icons/file_icons/database.svg"
    },
-    "scala": {
-      "icon": "icons/file_icons/scala.svg"
-    },
    "swift": {
      "icon": "icons/file_icons/swift.svg"
    },
+    "tcl": {
+      "icon": "icons/file_icons/tcl.svg"
+    },
    "template": {
      "icon": "icons/file_icons/html.svg"
    },
-    "terraform": {
-      "icon": "icons/file_icons/terraform.svg"
-    },
    "terminal": {
      "icon": "icons/file_icons/terminal.svg"
    },
+    "terraform": {
+      "icon": "icons/file_icons/terraform.svg"
+    },
    "toml": {
      "icon": "icons/file_icons/toml.svg"
    },
    "typescript": {
      "icon": "icons/file_icons/typescript.svg"
    },
-    "tcl": {
-      "icon": "icons/file_icons/tcl.svg"
-    },
    "vcs": {
      "icon": "icons/file_icons/git.svg"
    },
--- a/assets/icons/rerun.svg
+++ b/assets/icons/rerun.svg
@@ -0,0 +1,7 @@
+<svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M3 12C3 9.61305 3.94821 7.32387 5.63604 5.63604C7.32387 3.94821 9.61305 3 12 3C14.516 3.00947 16.931 3.99122 18.74 5.74L21 8" stroke="black" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M21 3V8H16" stroke="black" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M21 12C21 14.3869 20.0518 16.6761 18.364 18.364C16.6761 20.0518 14.3869 21 12 21C9.48395 20.9905 7.06897 20.0088 5.26 18.26L3 16" stroke="black" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M8 16H3V21" stroke="black" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M10 9.37052C10 8.98462 10.4186 8.74419 10.7519 8.93863L15.2596 11.5681C15.5904 11.761 15.5904 12.2389 15.2596 12.4319L10.7519 15.0614C10.4186 15.2558 10 15.0154 10 14.6295V9.37052Z" fill="black"/>
+</svg>
--- a/assets/icons/reveal.svg
+++ b/assets/icons/reveal.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-folder-search"><circle cx="17" cy="17" r="3"/><path d="M10.7 20H4a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h3.9a2 2 0 0 1 1.69.9l.81 1.2a2 2 0 0 0 1.67.9H20a2 2 0 0 1 2 2v4.1"/><path d="m21 21-1.5-1.5"/></svg>
--- a/assets/icons/save.svg
+++ b/assets/icons/save.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-save"><path d="M15.2 3a2 2 0 0 1 1.4.6l3.8 3.8a2 2 0 0 1 .6 1.4V19a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2z"/><path d="M17 21v-7a1 1 0 0 0-1-1H8a1 1 0 0 0-1 1v7"/><path d="M7 3v4a1 1 0 0 0 1 1h7"/></svg>
--- a/assets/icons/triangle_right.svg
+++ b/assets/icons/triangle_right.svg
@@ -0,0 +1 @@
+<svg width="15" height="15" viewBox="0 0 15 15" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M6 11L6 4L10.5 7.5L6 11Z" fill="currentColor"></path></svg>
--- a/assets/keymaps/default-linux.json
+++ b/assets/keymaps/default-linux.json
@@ -201,7 +201,8 @@
    "context": "AssistantPanel",
    "bindings": {
      "ctrl-g": "search::SelectNextMatch",
-      "ctrl-shift-g": "search::SelectPrevMatch"
+      "ctrl-shift-g": "search::SelectPrevMatch",
+      "alt-m": "assistant::ToggleModelSelector"
    }
  },
  {
@@ -211,7 +212,9 @@
      "ctrl-s": "workspace::Save",
      "ctrl->": "assistant::QuoteSelection",
      "shift-enter": "assistant::Split",
-      "ctrl-r": "assistant::CycleMessageRole"
+      "ctrl-r": "assistant::CycleMessageRole",
+      "enter": "assistant::ConfirmCommand",
+      "alt-enter": "editor::Newline"
    }
  },
  {
@@ -569,8 +572,8 @@
      "enter": "project_panel::Rename",
      "backspace": "project_panel::Trash",
      "delete": "project_panel::Trash",
-      "ctrl-backspace": ["project_panel::Delete", { "skip_prompt": true }],
-      "ctrl-delete": ["project_panel::Delete", { "skip_prompt": true }],
+      "ctrl-backspace": ["project_panel::Delete", { "skip_prompt": false }],
+      "ctrl-delete": ["project_panel::Delete", { "skip_prompt": false }],
      "alt-ctrl-r": "project_panel::RevealInFinder",
      "alt-shift-f": "project_panel::NewSearchInDirectory"
    }
--- a/assets/keymaps/default-macos.json
+++ b/assets/keymaps/default-macos.json
@@ -214,10 +214,11 @@
    }
  },
  {
-    "context": "AssistantPanel", // Used in the assistant crate, which we're replacing
+    "context": "AssistantPanel",
    "bindings": {
      "cmd-g": "search::SelectNextMatch",
-      "cmd-shift-g": "search::SelectPrevMatch"
+      "cmd-shift-g": "search::SelectPrevMatch",
+      "alt-m": "assistant::ToggleModelSelector"
    }
  },
  {
@@ -227,7 +228,9 @@
      "cmd-s": "workspace::Save",
      "cmd->": "assistant::QuoteSelection",
      "shift-enter": "assistant::Split",
-      "ctrl-r": "assistant::CycleMessageRole"
+      "ctrl-r": "assistant::CycleMessageRole",
+      "enter": "assistant::ConfirmCommand",
+      "alt-enter": "editor::Newline"
    }
  },
  {
@@ -578,12 +581,15 @@
      "cmd-alt-c": "project_panel::CopyPath",
      "alt-cmd-shift-c": "project_panel::CopyRelativePath",
      "enter": "project_panel::Rename",
-      "backspace": "project_panel::Trash",
-      "delete": "project_panel::Trash",
-      "cmd-backspace": ["project_panel::Delete", { "skip_prompt": true }],
-      "cmd-delete": ["project_panel::Delete", { "skip_prompt": true }],
+      "backspace": ["project_panel::Trash", { "skip_prompt": false }],
+      "delete": ["project_panel::Trash", { "skip_prompt": false }],
+      "cmd-backspace": ["project_panel::Delete", { "skip_prompt": false }],
+      "cmd-delete": ["project_panel::Delete", { "skip_prompt": false }],
      "alt-cmd-r": "project_panel::RevealInFinder",
-      "alt-shift-f": "project_panel::NewSearchInDirectory"
+      "alt-shift-f": "project_panel::NewSearchInDirectory",
+      "shift-down": "menu::SelectNext",
+      "shift-up": "menu::SelectPrev",
+      "escape": "menu::Cancel"
    }
  },
  {
--- a/assets/keymaps/jetbrains.json
+++ b/assets/keymaps/jetbrains.json
@@ -53,7 +53,6 @@
      "cmd-alt-b": "editor::GoToDefinitionSplit",
      "cmd-shift-b": "editor::GoToTypeDefinition",
      "cmd-alt-shift-b": "editor::GoToTypeDefinitionSplit",
-      "alt-enter": "editor::ToggleCodeActions",
      "f2": "editor::GoToDiagnostic",
      "cmd-f2": "editor::GoToPrevDiagnostic",
      "ctrl-alt-shift-down": "editor::GoToHunk",
@@ -70,7 +69,8 @@
      "cmd-f12": "outline::Toggle",
      "cmd-7": "outline::Toggle",
      "cmd-shift-o": "file_finder::Toggle",
-      "cmd-l": "go_to_line::Toggle"
+      "cmd-l": "go_to_line::Toggle",
+      "alt-enter": "editor::ToggleCodeActions"
    }
  },
  {
--- a/assets/keymaps/vim.json
+++ b/assets/keymaps/vim.json
@@ -155,6 +155,7 @@
      "g shift-t": "pane::ActivatePrevItem",
      "g d": "editor::GoToDefinition",
      "g shift-d": "editor::GoToTypeDefinition",
+      "g cmd-d": "editor::GoToImplementation",
      "g x": "editor::OpenUrl",
      "g n": "vim::SelectNextMatch",
      "g shift-n": "vim::SelectPreviousMatch",
@@ -384,7 +385,11 @@
      "ctrl-pageup": "pane::ActivatePrevItem",
      // tree-sitter related commands
      "[ x": "editor::SelectLargerSyntaxNode",
-      "] x": "editor::SelectSmallerSyntaxNode"
+      "] x": "editor::SelectSmallerSyntaxNode",
+      "] d": "editor::GoToDiagnostic",
+      "[ d": "editor::GoToPrevDiagnostic",
+      "] c": "editor::GoToHunk",
+      "[ c": "editor::GoToPrevHunk"
    }
  },
  {
--- a/assets/settings/default.json
+++ b/assets/settings/default.json
@@ -37,6 +37,8 @@
  },
  // The default font size for text in the editor
  "buffer_font_size": 15,
+  // The weight of the editor font in standard CSS units from 100 to 900.
+  "buffer_font_weight": 400,
  // Set the buffer's line height.
  // May take 3 values:
  //  1. Use a line height that's comfortable for reading (1.618)
@@ -55,6 +57,8 @@
    // Disable ligatures:
    "calt": false
  },
+  // The weight of the UI font in standard CSS units from 100 to 900.
+  "ui_font_weight": 400,
  // The default font size for text in the UI
  "ui_font_size": 16,
  // The factor to grow the active pane by. Defaults to 1.0
@@ -124,6 +128,8 @@
  "wrap_guides": [],
  // Hide the values of in variables from visual display in private files
  "redact_private_values": false,
+  // The default number of lines to expand excerpts in the multibuffer by.
+  "expand_excerpt_lines": 3,
  // Globs to match against file paths to determine if a file is private.
  "private_files": [
    "**/.env*",
@@ -164,7 +170,7 @@
    // Join calls with the microphone live by default
    "mute_on_join": false,
    // Share your project when you are the first to join a channel
-    "share_on_join": true
+    "share_on_join": false
  },
  // Toolbar related settings
  "toolbar": {
@@ -216,6 +222,25 @@
    // Whether to show fold buttons in the gutter.
    "folds": true
  },
+  "indent_guides": {
+    /// Whether to show indent guides in the editor.
+    "enabled": true,
+    /// The width of the indent guides in pixels, between 1 and 10.
+    "line_width": 1,
+    /// Determines how indent guides are colored.
+    /// This setting can take the following three values:
+    ///
+    /// 1. "disabled"
+    /// 2. "fixed"
+    /// 3. "indent_aware"
+    "coloring": "fixed",
+    /// Determines how indent guide backgrounds are colored.
+    /// This setting can take the following two values:
+    ///
+    /// 1. "disabled"
+    /// 2. "indent_aware"
+    "background_coloring": "disabled"
+  },
  // The number of lines to keep above/below the cursor when scrolling.
  "vertical_scroll_margin": 3,
  // Scroll sensitivity multiplier. This multiplier is applied
--- a/assets/themes/gruvbox/gruvbox.json
+++ b/assets/themes/gruvbox/gruvbox.json
@@ -5,6 +5,15 @@
    {
      "name": "Gruvbox Dark",
      "appearance": "dark",
+      "accents": [
+        "#cc241dff",
+        "#98971aff",
+        "#d79921ff",
+        "#458588ff",
+        "#b16286ff",
+        "#689d6aff",
+        "#d65d0eff"
+      ],
      "style": {
        "border": "#5b534dff",
        "border.variant": "#494340ff",
@@ -379,6 +388,15 @@
    {
      "name": "Gruvbox Dark Hard",
      "appearance": "dark",
+      "accents": [
+        "#cc241dff",
+        "#98971aff",
+        "#d79921ff",
+        "#458588ff",
+        "#b16286ff",
+        "#689d6aff",
+        "#d65d0eff"
+      ],
      "style": {
        "border": "#5b534dff",
        "border.variant": "#494340ff",
@@ -753,6 +771,15 @@
    {
      "name": "Gruvbox Dark Soft",
      "appearance": "dark",
+      "accents": [
+        "#cc241dff",
+        "#98971aff",
+        "#d79921ff",
+        "#458588ff",
+        "#b16286ff",
+        "#689d6aff",
+        "#d65d0eff"
+      ],
      "style": {
        "border": "#5b534dff",
        "border.variant": "#494340ff",
@@ -1127,6 +1154,15 @@
    {
      "name": "Gruvbox Light",
      "appearance": "light",
+      "accents": [
+        "#cc241dff",
+        "#98971aff",
+        "#d79921ff",
+        "#458588ff",
+        "#b16286ff",
+        "#689d6aff",
+        "#d65d0eff"
+      ],
      "style": {
        "border": "#c8b899ff",
        "border.variant": "#ddcca7ff",
@@ -1501,6 +1537,15 @@
    {
      "name": "Gruvbox Light Hard",
      "appearance": "light",
+      "accents": [
+        "#cc241dff",
+        "#98971aff",
+        "#d79921ff",
+        "#458588ff",
+        "#b16286ff",
+        "#689d6aff",
+        "#d65d0eff"
+      ],
      "style": {
        "border": "#c8b899ff",
        "border.variant": "#ddcca7ff",
@@ -1875,6 +1920,15 @@
    {
      "name": "Gruvbox Light Soft",
      "appearance": "light",
+      "accents": [
+        "#cc241dff",
+        "#98971aff",
+        "#d79921ff",
+        "#458588ff",
+        "#b16286ff",
+        "#689d6aff",
+        "#d65d0eff"
+      ],
      "style": {
        "border": "#c8b899ff",
        "border.variant": "#ddcca7ff",
--- a/crates/anthropic/Cargo.toml
+++ b/crates/anthropic/Cargo.toml
@@ -23,6 +23,7 @@ isahc.workspace = true
 schemars = { workspace = true, optional = true }
 serde.workspace = true
 serde_json.workspace = true
+strum.workspace = true

 [dev-dependencies]
 tokio.workspace = true
--- a/crates/anthropic/src/anthropic.rs
+++ b/crates/anthropic/src/anthropic.rs
@@ -4,11 +4,12 @@ use http::{AsyncBody, HttpClient, Method, Request as HttpRequest};
 use isahc::config::Configurable;
 use serde::{Deserialize, Serialize};
 use std::{convert::TryFrom, time::Duration};
+use strum::EnumIter;

 pub const ANTHROPIC_API_URL: &'static str = "https://api.anthropic.com";

 #[cfg_attr(feature = "schemars", derive(schemars::JsonSchema))]
-#[derive(Clone, Debug, Default, Serialize, Deserialize, PartialEq)]
+#[derive(Clone, Debug, Default, Serialize, Deserialize, PartialEq, EnumIter)]
 pub enum Model {
    #[default]
    #[serde(alias = "claude-3-opus", rename = "claude-3-opus-20240229")]
--- a/crates/assets/src/assets.rs
+++ b/crates/assets/src/assets.rs
@@ -16,9 +16,9 @@ use rust_embed::RustEmbed;
 pub struct Assets;

 impl AssetSource for Assets {
-    fn load(&self, path: &str) -> Result<std::borrow::Cow<'static, [u8]>> {
+    fn load(&self, path: &str) -> Result<Option<std::borrow::Cow<'static, [u8]>>> {
        Self::get(path)
-            .map(|f| f.data)
+            .map(|f| Some(f.data))
            .ok_or_else(|| anyhow!("could not find asset at path \"{}\"", path))
    }

@@ -42,7 +42,10 @@ impl Assets {
        let mut embedded_fonts = Vec::new();
        for font_path in font_paths {
            if font_path.ends_with(".ttf") {
-                let font_bytes = cx.asset_source().load(&font_path)?;
+                let font_bytes = cx
+                    .asset_source()
+                    .load(&font_path)?
+                    .expect("Assets should never return None");
                embedded_fonts.push(font_bytes);
            }
        }
--- a/crates/assistant/Cargo.toml
+++ b/crates/assistant/Cargo.toml
@@ -5,6 +5,9 @@ edition = "2021"
 publish = false
 license = "GPL-3.0-or-later"

+[lints]
+workspace = true
+
 [lib]
 path = "src/assistant.rs"
 doctest = false
@@ -12,12 +15,14 @@ doctest = false
 [dependencies]
 anyhow.workspace = true
 anthropic = { workspace = true, features = ["schemars"] }
+assistant_slash_command.workspace = true
 cargo_toml.workspace = true
 chrono.workspace = true
 client.workspace = true
 collections.workspace = true
 command_palette_hooks.workspace = true
 editor.workspace = true
+feature_flags.workspace = true
 file_icons.workspace = true
 fs.workspace = true
 futures.workspace = true
@@ -35,13 +40,16 @@ parking_lot.workspace = true
 project.workspace = true
 regex.workspace = true
 rope.workspace = true
+rustdoc_to_markdown.workspace = true
 schemars.workspace = true
 search.workspace = true
+semantic_index.workspace = true
 serde.workspace = true
 serde_json.workspace = true
 settings.workspace = true
 smol.workspace = true
 strsim = "0.11"
+strum.workspace = true
 telemetry_events.workspace = true
 theme.workspace = true
 tiktoken-rs.workspace = true
--- a/crates/assistant/src/ambient_context.rs
+++ b/crates/assistant/src/ambient_context.rs
@@ -1,30 +0,0 @@
-mod current_project;
-mod recent_buffers;
-
-pub use current_project::*;
-pub use recent_buffers::*;
-
-#[derive(Default)]
-pub struct AmbientContext {
-    pub recent_buffers: RecentBuffersContext,
-    pub current_project: CurrentProjectContext,
-}
-
-impl AmbientContext {
-    pub fn snapshot(&self) -> AmbientContextSnapshot {
-        AmbientContextSnapshot {
-            recent_buffers: self.recent_buffers.snapshot.clone(),
-        }
-    }
-}
-
-#[derive(Clone, Default, Debug)]
-pub struct AmbientContextSnapshot {
-    pub recent_buffers: RecentBuffersSnapshot,
-}
-
-#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Clone, Copy)]
-pub enum ContextUpdated {
-    Updating,
-    Disabled,
-}
--- a/crates/assistant/src/ambient_context/current_project.rs
+++ b/crates/assistant/src/ambient_context/current_project.rs
@@ -1,180 +0,0 @@
-use std::fmt::Write;
-use std::path::{Path, PathBuf};
-use std::sync::Arc;
-use std::time::Duration;
-
-use anyhow::{anyhow, Result};
-use fs::Fs;
-use gpui::{AsyncAppContext, ModelContext, Task, WeakModel};
-use project::{Project, ProjectPath};
-use util::ResultExt;
-
-use crate::ambient_context::ContextUpdated;
-use crate::assistant_panel::Conversation;
-use crate::{LanguageModelRequestMessage, Role};
-
-/// Ambient context about the current project.
-pub struct CurrentProjectContext {
-    pub enabled: bool,
-    pub message: String,
-    pub pending_message: Option<Task<()>>,
-}
-
-#[allow(clippy::derivable_impls)]
-impl Default for CurrentProjectContext {
-    fn default() -> Self {
-        Self {
-            enabled: false,
-            message: String::new(),
-            pending_message: None,
-        }
-    }
-}
-
-impl CurrentProjectContext {
-    /// Returns the [`CurrentProjectContext`] as a message to the language model.
-    pub fn to_message(&self) -> Option<LanguageModelRequestMessage> {
-        self.enabled
-            .then(|| LanguageModelRequestMessage {
-                role: Role::System,
-                content: self.message.clone(),
-            })
-            .filter(|message| !message.content.is_empty())
-    }
-
-    /// Updates the [`CurrentProjectContext`] for the given [`Project`].
-    pub fn update(
-        &mut self,
-        fs: Arc<dyn Fs>,
-        project: WeakModel<Project>,
-        cx: &mut ModelContext<Conversation>,
-    ) -> ContextUpdated {
-        if !self.enabled {
-            self.message.clear();
-            self.pending_message = None;
-            cx.notify();
-            return ContextUpdated::Disabled;
-        }
-
-        self.pending_message = Some(cx.spawn(|conversation, mut cx| async move {
-            const DEBOUNCE_TIMEOUT: Duration = Duration::from_millis(100);
-            cx.background_executor().timer(DEBOUNCE_TIMEOUT).await;
-
-            let Some(path_to_cargo_toml) = Self::path_to_cargo_toml(project, &mut cx).log_err()
-            else {
-                return;
-            };
-
-            let Some(path_to_cargo_toml) = path_to_cargo_toml
-                .ok_or_else(|| anyhow!("no Cargo.toml"))
-                .log_err()
-            else {
-                return;
-            };
-
-            let message_task = cx
-                .background_executor()
-                .spawn(async move { Self::build_message(fs, &path_to_cargo_toml).await });
-
-            if let Some(message) = message_task.await.log_err() {
-                conversation
-                    .update(&mut cx, |conversation, cx| {
-                        conversation.ambient_context.current_project.message = message;
-                        conversation.count_remaining_tokens(cx);
-                        cx.notify();
-                    })
-                    .log_err();
-            }
-        }));
-
-        ContextUpdated::Updating
-    }
-
-    async fn build_message(fs: Arc<dyn Fs>, path_to_cargo_toml: &Path) -> Result<String> {
-        let buffer = fs.load(path_to_cargo_toml).await?;
-        let cargo_toml: cargo_toml::Manifest = toml::from_str(&buffer)?;
-
-        let mut message = String::new();
-        writeln!(message, "You are in a Rust project.")?;
-
-        if let Some(workspace) = cargo_toml.workspace {
-            writeln!(
-                message,
-                "The project is a Cargo workspace with the following members:"
-            )?;
-            for member in workspace.members {
-                writeln!(message, "- {member}")?;
-            }
-
-            if !workspace.default_members.is_empty() {
-                writeln!(message, "The default members are:")?;
-                for member in workspace.default_members {
-                    writeln!(message, "- {member}")?;
-                }
-            }
-
-            if !workspace.dependencies.is_empty() {
-                writeln!(
-                    message,
-                    "The following workspace dependencies are installed:"
-                )?;
-                for dependency in workspace.dependencies.keys() {
-                    writeln!(message, "- {dependency}")?;
-                }
-            }
-        } else if let Some(package) = cargo_toml.package {
-            writeln!(
-                message,
-                "The project name is \"{name}\".",
-                name = package.name
-            )?;
-
-            let description = package
-                .description
-                .as_ref()
-                .and_then(|description| description.get().ok().cloned());
-            if let Some(description) = description.as_ref() {
-                writeln!(message, "It describes itself as \"{description}\".")?;
-            }
-
-            if !cargo_toml.dependencies.is_empty() {
-                writeln!(message, "The following dependencies are installed:")?;
-                for dependency in cargo_toml.dependencies.keys() {
-                    writeln!(message, "- {dependency}")?;
-                }
-            }
-        }
-
-        Ok(message)
-    }
-
-    fn path_to_cargo_toml(
-        project: WeakModel<Project>,
-        cx: &mut AsyncAppContext,
-    ) -> Result<Option<PathBuf>> {
-        cx.update(|cx| {
-            let worktree = project.update(cx, |project, _cx| {
-                project
-                    .worktrees()
-                    .next()
-                    .ok_or_else(|| anyhow!("no worktree"))
-            })??;
-
-            let path_to_cargo_toml = worktree.update(cx, |worktree, _cx| {
-                let cargo_toml = worktree.entry_for_path("Cargo.toml")?;
-                Some(ProjectPath {
-                    worktree_id: worktree.id(),
-                    path: cargo_toml.path.clone(),
-                })
-            });
-            let path_to_cargo_toml = path_to_cargo_toml.and_then(|path| {
-                project
-                    .update(cx, |project, cx| project.absolute_path(&path, cx))
-                    .ok()
-                    .flatten()
-            });
-
-            Ok(path_to_cargo_toml)
-        })?
-    }
-}
--- a/crates/assistant/src/ambient_context/recent_buffers.rs
+++ b/crates/assistant/src/ambient_context/recent_buffers.rs
@@ -1,147 +0,0 @@
-use crate::{assistant_panel::Conversation, LanguageModelRequestMessage, Role};
-use gpui::{ModelContext, Subscription, Task, WeakModel};
-use language::{Buffer, BufferSnapshot, Rope};
-use std::{fmt::Write, path::PathBuf, time::Duration};
-
-use super::ContextUpdated;
-
-pub struct RecentBuffersContext {
-    pub enabled: bool,
-    pub buffers: Vec<RecentBuffer>,
-    pub snapshot: RecentBuffersSnapshot,
-    pub pending_message: Option<Task<()>>,
-}
-
-pub struct RecentBuffer {
-    pub buffer: WeakModel<Buffer>,
-    pub _subscription: Subscription,
-}
-
-impl Default for RecentBuffersContext {
-    fn default() -> Self {
-        Self {
-            enabled: true,
-            buffers: Vec::new(),
-            snapshot: RecentBuffersSnapshot::default(),
-            pending_message: None,
-        }
-    }
-}
-
-impl RecentBuffersContext {
-    pub fn update(&mut self, cx: &mut ModelContext<Conversation>) -> ContextUpdated {
-        let source_buffers = self
-            .buffers
-            .iter()
-            .filter_map(|recent| {
-                let (full_path, snapshot) = recent
-                    .buffer
-                    .read_with(cx, |buffer, cx| {
-                        (
-                            buffer.file().map(|file| file.full_path(cx)),
-                            buffer.snapshot(),
-                        )
-                    })
-                    .ok()?;
-                Some(SourceBufferSnapshot {
-                    full_path,
-                    model: recent.buffer.clone(),
-                    snapshot,
-                })
-            })
-            .collect::<Vec<_>>();
-
-        if !self.enabled || source_buffers.is_empty() {
-            self.snapshot.message = Default::default();
-            self.snapshot.source_buffers.clear();
-            self.pending_message = None;
-            cx.notify();
-            ContextUpdated::Disabled
-        } else {
-            self.pending_message = Some(cx.spawn(|this, mut cx| async move {
-                const DEBOUNCE_TIMEOUT: Duration = Duration::from_millis(100);
-                cx.background_executor().timer(DEBOUNCE_TIMEOUT).await;
-
-                let message = if source_buffers.is_empty() {
-                    Rope::new()
-                } else {
-                    cx.background_executor()
-                        .spawn({
-                            let source_buffers = source_buffers.clone();
-                            async move { message_for_recent_buffers(source_buffers) }
-                        })
-                        .await
-                };
-                this.update(&mut cx, |this, cx| {
-                    this.ambient_context.recent_buffers.snapshot.source_buffers = source_buffers;
-                    this.ambient_context.recent_buffers.snapshot.message = message;
-                    this.count_remaining_tokens(cx);
-                    cx.notify();
-                })
-                .ok();
-            }));
-
-            ContextUpdated::Updating
-        }
-    }
-
-    /// Returns the [`RecentBuffersContext`] as a message to the language model.
-    pub fn to_message(&self) -> Option<LanguageModelRequestMessage> {
-        self.enabled
-            .then(|| LanguageModelRequestMessage {
-                role: Role::System,
-                content: self.snapshot.message.to_string(),
-            })
-            .filter(|message| !message.content.is_empty())
-    }
-}
-
-#[derive(Clone, Default, Debug)]
-pub struct RecentBuffersSnapshot {
-    pub message: Rope,
-    pub source_buffers: Vec<SourceBufferSnapshot>,
-}
-
-#[derive(Clone)]
-pub struct SourceBufferSnapshot {
-    pub full_path: Option<PathBuf>,
-    pub model: WeakModel<Buffer>,
-    pub snapshot: BufferSnapshot,
-}
-
-impl std::fmt::Debug for SourceBufferSnapshot {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        f.debug_struct("SourceBufferSnapshot")
-            .field("full_path", &self.full_path)
-            .field("model (entity id)", &self.model.entity_id())
-            .field("snapshot (text)", &self.snapshot.text())
-            .finish()
-    }
-}
-
-fn message_for_recent_buffers(buffers: Vec<SourceBufferSnapshot>) -> Rope {
-    let mut message = String::new();
-    writeln!(
-        message,
-        "The following is a list of recent buffers that the user has opened."
-    )
-    .unwrap();
-
-    for buffer in buffers {
-        if let Some(path) = buffer.full_path {
-            writeln!(message, "```{}", path.display()).unwrap();
-        } else {
-            writeln!(message, "```untitled").unwrap();
-        }
-
-        for chunk in buffer.snapshot.chunks(0..buffer.snapshot.len(), false) {
-            message.push_str(chunk.text);
-        }
-        if !message.ends_with('\n') {
-            message.push('\n');
-        }
-        message.push_str("```\n");
-    }
-
-    Rope::from(message.as_str())
-}
--- a/crates/assistant/src/assistant.rs
+++ b/crates/assistant/src/assistant.rs
@@ -1,30 +1,31 @@
-mod ambient_context;
 pub mod assistant_panel;
 pub mod assistant_settings;
 mod codegen;
 mod completion_provider;
-mod omit_ranges;
+mod model_selector;
 mod prompts;
 mod saved_conversation;
 mod search;
 mod slash_command;
 mod streaming_diff;

-use ambient_context::AmbientContextSnapshot;
 pub use assistant_panel::AssistantPanel;
+
 use assistant_settings::{AnthropicModel, AssistantSettings, OpenAiModel, ZedDotDevModel};
 use client::{proto, Client};
 use command_palette_hooks::CommandPaletteFilter;
 pub(crate) use completion_provider::*;
 use gpui::{actions, AppContext, Global, SharedString, UpdateGlobal};
-pub(crate) use prompts::prompt_library::*;
+pub(crate) use model_selector::*;
 pub(crate) use saved_conversation::*;
+use semantic_index::{CloudEmbeddingProvider, SemanticIndex};
 use serde::{Deserialize, Serialize};
 use settings::{Settings, SettingsStore};
 use std::{
    fmt::{self, Display},
    sync::Arc,
 };
+use util::paths::EMBEDDINGS_DIR;

 actions!(
    assistant,
@@ -37,9 +38,10 @@ actions!(
        ResetKey,
        InlineAssist,
        InsertActivePrompt,
-        ToggleIncludeConversation,
        ToggleHistory,
-        ApplyEdit
+        ApplyEdit,
+        ConfirmCommand,
+        ToggleModelSelector
    ]
 );

@@ -189,9 +191,6 @@ pub struct LanguageModelChoiceDelta {
 struct MessageMetadata {
    role: Role,
    status: MessageStatus,
-    // todo!("delete this")
-    #[serde(skip)]
-    ambient_context: AmbientContextSnapshot,
 }

 #[derive(Clone, Debug, Serialize, Deserialize)]
@@ -237,7 +236,23 @@ impl Assistant {
 pub fn init(client: Arc<Client>, cx: &mut AppContext) {
    cx.set_global(Assistant::default());
    AssistantSettings::register(cx);
+
+    cx.spawn(|mut cx| {
+        let client = client.clone();
+        async move {
+            let embedding_provider = CloudEmbeddingProvider::new(client.clone());
+            let semantic_index = SemanticIndex::new(
+                EMBEDDINGS_DIR.join("semantic-index-db.0.mdb"),
+                Arc::new(embedding_provider),
+                &mut cx,
+            )
+            .await?;
+            cx.update(|cx| cx.set_global(semantic_index))
+        }
+    })
+    .detach();
    completion_provider::init(client, cx);
+    assistant_slash_command::init(cx);
    assistant_panel::init(cx);

    CommandPaletteFilter::update_global(cx, |filter, _cx| {
--- a/crates/assistant/src/assistant_panel.rs
+++ b/crates/assistant/src/assistant_panel.rs
--- a/crates/assistant/src/assistant_settings.rs
+++ b/crates/assistant/src/assistant_settings.rs
@@ -12,8 +12,11 @@ use serde::{
    Deserialize, Deserializer, Serialize, Serializer,
 };
 use settings::{Settings, SettingsSources};
+use strum::{EnumIter, IntoEnumIterator};

-#[derive(Clone, Debug, Default, PartialEq)]
+use crate::LanguageModel;
+
+#[derive(Clone, Debug, Default, PartialEq, EnumIter)]
 pub enum ZedDotDevModel {
    Gpt3Point5Turbo,
    Gpt4,
@@ -53,13 +56,10 @@ impl<'de> Deserialize<'de> for ZedDotDevModel {
            where
                E: de::Error,
            {
-                match value {
-                    "gpt-3.5-turbo" => Ok(ZedDotDevModel::Gpt3Point5Turbo),
-                    "gpt-4" => Ok(ZedDotDevModel::Gpt4),
-                    "gpt-4-turbo-preview" => Ok(ZedDotDevModel::Gpt4Turbo),
-                    "gpt-4o" => Ok(ZedDotDevModel::Gpt4Omni),
-                    _ => Ok(ZedDotDevModel::Custom(value.to_owned())),
-                }
+                let model = ZedDotDevModel::iter()
+                    .find(|model| model.id() == value)
+                    .unwrap_or_else(|| ZedDotDevModel::Custom(value.to_string()));
+                Ok(model)
            }
        }

@@ -73,24 +73,23 @@ impl JsonSchema for ZedDotDevModel {
    }

    fn json_schema(_generator: &mut schemars::gen::SchemaGenerator) -> Schema {
-        let variants = vec![
-            "gpt-3.5-turbo".to_owned(),
-            "gpt-4".to_owned(),
-            "gpt-4-turbo-preview".to_owned(),
-            "gpt-4o".to_owned(),
-        ];
+        let variants = ZedDotDevModel::iter()
+            .filter_map(|model| {
+                let id = model.id();
+                if id.is_empty() {
+                    None
+                } else {
+                    Some(id.to_string())
+                }
+            })
+            .collect::<Vec<_>>();
        Schema::Object(SchemaObject {
            instance_type: Some(InstanceType::String.into()),
-            enum_values: Some(variants.into_iter().map(|s| s.into()).collect()),
+            enum_values: Some(variants.iter().map(|s| s.clone().into()).collect()),
            metadata: Some(Box::new(Metadata {
                title: Some("ZedDotDevModel".to_owned()),
-                default: Some(serde_json::json!("gpt-4-turbo-preview")),
-                examples: vec![
-                    serde_json::json!("gpt-3.5-turbo"),
-                    serde_json::json!("gpt-4"),
-                    serde_json::json!("gpt-4-turbo-preview"),
-                    serde_json::json!("custom-model-name"),
-                ],
+                default: Some(ZedDotDevModel::default().id().into()),
+                examples: variants.into_iter().map(Into::into).collect(),
                ..Default::default()
            })),
            ..Default::default()
@@ -145,51 +144,55 @@ pub enum AssistantDockPosition {
    Bottom,
 }

-#[derive(Clone, Debug, Serialize, Deserialize, JsonSchema, PartialEq)]
-#[serde(tag = "name", rename_all = "snake_case")]
+#[derive(Debug, PartialEq)]
 pub enum AssistantProvider {
-    #[serde(rename = "zed.dev")]
    ZedDotDev {
-        #[serde(default)]
-        default_model: ZedDotDevModel,
+        model: ZedDotDevModel,
    },
-    #[serde(rename = "openai")]
    OpenAi {
-        #[serde(default)]
-        default_model: OpenAiModel,
-        #[serde(default = "open_ai_url")]
+        model: OpenAiModel,
        api_url: String,
-        #[serde(default)]
        low_speed_timeout_in_seconds: Option<u64>,
    },
-    #[serde(rename = "anthropic")]
    Anthropic {
-        #[serde(default)]
-        default_model: AnthropicModel,
-        #[serde(default = "anthropic_api_url")]
+        model: AnthropicModel,
        api_url: String,
-        #[serde(default)]
        low_speed_timeout_in_seconds: Option<u64>,
    },
 }

 impl Default for AssistantProvider {
    fn default() -> Self {
-        Self::ZedDotDev {
-            default_model: ZedDotDevModel::default(),
+        Self::OpenAi {
+            model: OpenAiModel::default(),
+            api_url: open_ai::OPEN_AI_API_URL.into(),
+            low_speed_timeout_in_seconds: None,
        }
    }
 }

-fn open_ai_url() -> String {
-    open_ai::OPEN_AI_API_URL.to_string()
+#[derive(Clone, Debug, Serialize, Deserialize, JsonSchema, PartialEq)]
+#[serde(tag = "name", rename_all = "snake_case")]
+pub enum AssistantProviderContent {
+    #[serde(rename = "zed.dev")]
+    ZedDotDev {
+        default_model: Option<ZedDotDevModel>,
+    },
+    #[serde(rename = "openai")]
+    OpenAi {
+        default_model: Option<OpenAiModel>,
+        api_url: Option<String>,
+        low_speed_timeout_in_seconds: Option<u64>,
+    },
+    #[serde(rename = "anthropic")]
+    Anthropic {
+        default_model: Option<AnthropicModel>,
+        api_url: Option<String>,
+        low_speed_timeout_in_seconds: Option<u64>,
+    },
 }

-fn anthropic_api_url() -> String {
-    anthropic::ANTHROPIC_API_URL.to_string()
-}
-
-#[derive(Default, Debug, Deserialize, Serialize)]
+#[derive(Debug, Default)]
 pub struct AssistantSettings {
    pub enabled: bool,
    pub button: bool,
@@ -240,16 +243,16 @@ impl AssistantSettingsContent {
                default_width: settings.default_width,
                default_height: settings.default_height,
                provider: if let Some(open_ai_api_url) = settings.openai_api_url.as_ref() {
-                    Some(AssistantProvider::OpenAi {
-                        default_model: settings.default_open_ai_model.clone().unwrap_or_default(),
-                        api_url: open_ai_api_url.clone(),
+                    Some(AssistantProviderContent::OpenAi {
+                        default_model: settings.default_open_ai_model.clone(),
+                        api_url: Some(open_ai_api_url.clone()),
                        low_speed_timeout_in_seconds: None,
                    })
                } else {
                    settings.default_open_ai_model.clone().map(|open_ai_model| {
-                        AssistantProvider::OpenAi {
-                            default_model: open_ai_model,
-                            api_url: open_ai_url(),
+                        AssistantProviderContent::OpenAi {
+                            default_model: Some(open_ai_model),
+                            api_url: None,
                            low_speed_timeout_in_seconds: None,
                        }
                    })
@@ -270,6 +273,64 @@ impl AssistantSettingsContent {
            }
        }
    }
+
+    pub fn set_model(&mut self, new_model: LanguageModel) {
+        match self {
+            AssistantSettingsContent::Versioned(settings) => match settings {
+                VersionedAssistantSettingsContent::V1(settings) => match &mut settings.provider {
+                    Some(AssistantProviderContent::ZedDotDev {
+                        default_model: model,
+                    }) => {
+                        if let LanguageModel::ZedDotDev(new_model) = new_model {
+                            *model = Some(new_model);
+                        }
+                    }
+                    Some(AssistantProviderContent::OpenAi {
+                        default_model: model,
+                        ..
+                    }) => {
+                        if let LanguageModel::OpenAi(new_model) = new_model {
+                            *model = Some(new_model);
+                        }
+                    }
+                    Some(AssistantProviderContent::Anthropic {
+                        default_model: model,
+                        ..
+                    }) => {
+                        if let LanguageModel::Anthropic(new_model) = new_model {
+                            *model = Some(new_model);
+                        }
+                    }
+                    provider => match new_model {
+                        LanguageModel::ZedDotDev(model) => {
+                            *provider = Some(AssistantProviderContent::ZedDotDev {
+                                default_model: Some(model),
+                            })
+                        }
+                        LanguageModel::OpenAi(model) => {
+                            *provider = Some(AssistantProviderContent::OpenAi {
+                                default_model: Some(model),
+                                api_url: None,
+                                low_speed_timeout_in_seconds: None,
+                            })
+                        }
+                        LanguageModel::Anthropic(model) => {
+                            *provider = Some(AssistantProviderContent::Anthropic {
+                                default_model: Some(model),
+                                api_url: None,
+                                low_speed_timeout_in_seconds: None,
+                            })
+                        }
+                    },
+                },
+            },
+            AssistantSettingsContent::Legacy(settings) => {
+                if let LanguageModel::OpenAi(model) = new_model {
+                    settings.default_open_ai_model = Some(model);
+                }
+            }
+        }
+    }
 }

 #[derive(Clone, Serialize, Deserialize, JsonSchema, Debug)]
@@ -318,7 +379,7 @@ pub struct AssistantSettingsContentV1 {
    ///
    /// This can either be the internal `zed.dev` service or an external `openai` service,
    /// each with their respective default models and configurations.
-    provider: Option<AssistantProvider>,
+    provider: Option<AssistantProviderContent>,
 }

 #[derive(Clone, Serialize, Deserialize, JsonSchema, Debug)]
@@ -376,31 +437,82 @@ impl Settings for AssistantSettings {
            if let Some(provider) = value.provider.clone() {
                match (&mut settings.provider, provider) {
                    (
-                        AssistantProvider::ZedDotDev { default_model },
-                        AssistantProvider::ZedDotDev {
-                            default_model: default_model_override,
+                        AssistantProvider::ZedDotDev { model },
+                        AssistantProviderContent::ZedDotDev {
+                            default_model: model_override,
                        },
                    ) => {
-                        *default_model = default_model_override;
+                        merge(model, model_override);
                    }
                    (
                        AssistantProvider::OpenAi {
-                            default_model,
+                            model,
                            api_url,
                            low_speed_timeout_in_seconds,
                        },
-                        AssistantProvider::OpenAi {
-                            default_model: default_model_override,
+                        AssistantProviderContent::OpenAi {
+                            default_model: model_override,
                            api_url: api_url_override,
                            low_speed_timeout_in_seconds: low_speed_timeout_in_seconds_override,
                        },
                    ) => {
-                        *default_model = default_model_override;
-                        *api_url = api_url_override;
-                        *low_speed_timeout_in_seconds = low_speed_timeout_in_seconds_override;
+                        merge(model, model_override);
+                        merge(api_url, api_url_override);
+                        if let Some(low_speed_timeout_in_seconds_override) =
+                            low_speed_timeout_in_seconds_override
+                        {
+                            *low_speed_timeout_in_seconds =
+                                Some(low_speed_timeout_in_seconds_override);
+                        }
                    }
-                    (merged, provider_override) => {
-                        *merged = provider_override;
+                    (
+                        AssistantProvider::Anthropic {
+                            model,
+                            api_url,
+                            low_speed_timeout_in_seconds,
+                        },
+                        AssistantProviderContent::Anthropic {
+                            default_model: model_override,
+                            api_url: api_url_override,
+                            low_speed_timeout_in_seconds: low_speed_timeout_in_seconds_override,
+                        },
+                    ) => {
+                        merge(model, model_override);
+                        merge(api_url, api_url_override);
+                        if let Some(low_speed_timeout_in_seconds_override) =
+                            low_speed_timeout_in_seconds_override
+                        {
+                            *low_speed_timeout_in_seconds =
+                                Some(low_speed_timeout_in_seconds_override);
+                        }
+                    }
+                    (provider, provider_override) => {
+                        *provider = match provider_override {
+                            AssistantProviderContent::ZedDotDev {
+                                default_model: model,
+                            } => AssistantProvider::ZedDotDev {
+                                model: model.unwrap_or_default(),
+                            },
+                            AssistantProviderContent::OpenAi {
+                                default_model: model,
+                                api_url,
+                                low_speed_timeout_in_seconds,
+                            } => AssistantProvider::OpenAi {
+                                model: model.unwrap_or_default(),
+                                api_url: api_url.unwrap_or_else(|| open_ai::OPEN_AI_API_URL.into()),
+                                low_speed_timeout_in_seconds,
+                            },
+                            AssistantProviderContent::Anthropic {
+                                default_model: model,
+                                api_url,
+                                low_speed_timeout_in_seconds,
+                            } => AssistantProvider::Anthropic {
+                                model: model.unwrap_or_default(),
+                                api_url: api_url
+                                    .unwrap_or_else(|| anthropic::ANTHROPIC_API_URL.into()),
+                                low_speed_timeout_in_seconds,
+                            },
+                        };
                    }
                }
            }
@@ -410,7 +522,7 @@ impl Settings for AssistantSettings {
    }
 }

-fn merge<T: Copy>(target: &mut T, value: Option<T>) {
+fn merge<T>(target: &mut T, value: Option<T>) {
    if let Some(value) = value {
        *target = value;
    }
@@ -433,8 +545,8 @@ mod tests {
        assert_eq!(
            AssistantSettings::get_global(cx).provider,
            AssistantProvider::OpenAi {
-                default_model: OpenAiModel::FourOmni,
-                api_url: open_ai_url(),
+                model: OpenAiModel::FourOmni,
+                api_url: open_ai::OPEN_AI_API_URL.into(),
                low_speed_timeout_in_seconds: None,
            }
        );
@@ -455,7 +567,7 @@ mod tests {
        assert_eq!(
            AssistantSettings::get_global(cx).provider,
            AssistantProvider::OpenAi {
-                default_model: OpenAiModel::FourOmni,
+                model: OpenAiModel::FourOmni,
                api_url: "test-url".into(),
                low_speed_timeout_in_seconds: None,
            }
@@ -475,8 +587,8 @@ mod tests {
        assert_eq!(
            AssistantSettings::get_global(cx).provider,
            AssistantProvider::OpenAi {
-                default_model: OpenAiModel::Four,
-                api_url: open_ai_url(),
+                model: OpenAiModel::Four,
+                api_url: open_ai::OPEN_AI_API_URL.into(),
                low_speed_timeout_in_seconds: None,
            }
        );
@@ -501,7 +613,7 @@ mod tests {
        assert_eq!(
            AssistantSettings::get_global(cx).provider,
            AssistantProvider::ZedDotDev {
-                default_model: ZedDotDevModel::Custom("custom".into())
+                model: ZedDotDevModel::Custom("custom".into())
            }
        );
    }
--- a/crates/assistant/src/completion_provider.rs
+++ b/crates/assistant/src/completion_provider.rs
@@ -25,31 +25,26 @@ use std::time::Duration;
 pub fn init(client: Arc<Client>, cx: &mut AppContext) {
    let mut settings_version = 0;
    let provider = match &AssistantSettings::get_global(cx).provider {
-        AssistantProvider::ZedDotDev { default_model } => {
-            CompletionProvider::ZedDotDev(ZedDotDevCompletionProvider::new(
-                default_model.clone(),
-                client.clone(),
-                settings_version,
-                cx,
-            ))
-        }
+        AssistantProvider::ZedDotDev { model } => CompletionProvider::ZedDotDev(
+            ZedDotDevCompletionProvider::new(model.clone(), client.clone(), settings_version, cx),
+        ),
        AssistantProvider::OpenAi {
-            default_model,
+            model,
            api_url,
            low_speed_timeout_in_seconds,
        } => CompletionProvider::OpenAi(OpenAiCompletionProvider::new(
-            default_model.clone(),
+            model.clone(),
            api_url.clone(),
            client.http_client(),
            low_speed_timeout_in_seconds.map(Duration::from_secs),
            settings_version,
        )),
        AssistantProvider::Anthropic {
-            default_model,
+            model,
            api_url,
            low_speed_timeout_in_seconds,
        } => CompletionProvider::Anthropic(AnthropicCompletionProvider::new(
-            default_model.clone(),
+            model.clone(),
            api_url.clone(),
            client.http_client(),
            low_speed_timeout_in_seconds.map(Duration::from_secs),
@@ -65,13 +60,13 @@ pub fn init(client: Arc<Client>, cx: &mut AppContext) {
                (
                    CompletionProvider::OpenAi(provider),
                    AssistantProvider::OpenAi {
-                        default_model,
+                        model,
                        api_url,
                        low_speed_timeout_in_seconds,
                    },
                ) => {
                    provider.update(
-                        default_model.clone(),
+                        model.clone(),
                        api_url.clone(),
                        low_speed_timeout_in_seconds.map(Duration::from_secs),
                        settings_version,
@@ -80,13 +75,13 @@ pub fn init(client: Arc<Client>, cx: &mut AppContext) {
                (
                    CompletionProvider::Anthropic(provider),
                    AssistantProvider::Anthropic {
-                        default_model,
+                        model,
                        api_url,
                        low_speed_timeout_in_seconds,
                    },
                ) => {
                    provider.update(
-                        default_model.clone(),
+                        model.clone(),
                        api_url.clone(),
                        low_speed_timeout_in_seconds.map(Duration::from_secs),
                        settings_version,
@@ -94,13 +89,13 @@ pub fn init(client: Arc<Client>, cx: &mut AppContext) {
                }
                (
                    CompletionProvider::ZedDotDev(provider),
-                    AssistantProvider::ZedDotDev { default_model },
+                    AssistantProvider::ZedDotDev { model },
                ) => {
-                    provider.update(default_model.clone(), settings_version);
+                    provider.update(model.clone(), settings_version);
                }
-                (_, AssistantProvider::ZedDotDev { default_model }) => {
+                (_, AssistantProvider::ZedDotDev { model }) => {
                    *provider = CompletionProvider::ZedDotDev(ZedDotDevCompletionProvider::new(
-                        default_model.clone(),
+                        model.clone(),
                        client.clone(),
                        settings_version,
                        cx,
@@ -109,13 +104,13 @@ pub fn init(client: Arc<Client>, cx: &mut AppContext) {
                (
                    _,
                    AssistantProvider::OpenAi {
-                        default_model,
+                        model,
                        api_url,
                        low_speed_timeout_in_seconds,
                    },
                ) => {
                    *provider = CompletionProvider::OpenAi(OpenAiCompletionProvider::new(
-                        default_model.clone(),
+                        model.clone(),
                        api_url.clone(),
                        client.http_client(),
                        low_speed_timeout_in_seconds.map(Duration::from_secs),
@@ -125,13 +120,13 @@ pub fn init(client: Arc<Client>, cx: &mut AppContext) {
                (
                    _,
                    AssistantProvider::Anthropic {
-                        default_model,
+                        model,
                        api_url,
                        low_speed_timeout_in_seconds,
                    },
                ) => {
                    *provider = CompletionProvider::Anthropic(AnthropicCompletionProvider::new(
-                        default_model.clone(),
+                        model.clone(),
                        api_url.clone(),
                        client.http_client(),
                        low_speed_timeout_in_seconds.map(Duration::from_secs),
@@ -159,6 +154,25 @@ impl CompletionProvider {
        cx.global::<Self>()
    }

+    pub fn available_models(&self) -> Vec<LanguageModel> {
+        match self {
+            CompletionProvider::OpenAi(provider) => provider
+                .available_models()
+                .map(LanguageModel::OpenAi)
+                .collect(),
+            CompletionProvider::Anthropic(provider) => provider
+                .available_models()
+                .map(LanguageModel::Anthropic)
+                .collect(),
+            CompletionProvider::ZedDotDev(provider) => provider
+                .available_models()
+                .map(LanguageModel::ZedDotDev)
+                .collect(),
+            #[cfg(test)]
+            CompletionProvider::Fake(_) => unimplemented!(),
+        }
+    }
+
    pub fn settings_version(&self) -> usize {
        match self {
            CompletionProvider::OpenAi(provider) => provider.settings_version(),
@@ -209,17 +223,13 @@ impl CompletionProvider {
        }
    }

-    pub fn default_model(&self) -> LanguageModel {
+    pub fn model(&self) -> LanguageModel {
        match self {
-            CompletionProvider::OpenAi(provider) => LanguageModel::OpenAi(provider.default_model()),
-            CompletionProvider::Anthropic(provider) => {
-                LanguageModel::Anthropic(provider.default_model())
-            }
-            CompletionProvider::ZedDotDev(provider) => {
-                LanguageModel::ZedDotDev(provider.default_model())
-            }
+            CompletionProvider::OpenAi(provider) => LanguageModel::OpenAi(provider.model()),
+            CompletionProvider::Anthropic(provider) => LanguageModel::Anthropic(provider.model()),
+            CompletionProvider::ZedDotDev(provider) => LanguageModel::ZedDotDev(provider.model()),
            #[cfg(test)]
-            CompletionProvider::Fake(_) => unimplemented!(),
+            CompletionProvider::Fake(_) => LanguageModel::default(),
        }
    }

--- a/crates/assistant/src/completion_provider/anthropic.rs
+++ b/crates/assistant/src/completion_provider/anthropic.rs
@@ -7,11 +7,12 @@ use anthropic::{stream_completion, Request, RequestMessage, Role as AnthropicRol
 use anyhow::{anyhow, Result};
 use editor::{Editor, EditorElement, EditorStyle};
 use futures::{future::BoxFuture, stream::BoxStream, FutureExt, StreamExt};
-use gpui::{AnyView, AppContext, FontStyle, FontWeight, Task, TextStyle, View, WhiteSpace};
+use gpui::{AnyView, AppContext, FontStyle, Task, TextStyle, View, WhiteSpace};
 use http::HttpClient;
 use settings::Settings;
 use std::time::Duration;
 use std::{env, sync::Arc};
+use strum::IntoEnumIterator;
 use theme::ThemeSettings;
 use ui::prelude::*;
 use util::ResultExt;
@@ -19,7 +20,7 @@ use util::ResultExt;
 pub struct AnthropicCompletionProvider {
    api_key: Option<String>,
    api_url: String,
-    default_model: AnthropicModel,
+    model: AnthropicModel,
    http_client: Arc<dyn HttpClient>,
    low_speed_timeout: Option<Duration>,
    settings_version: usize,
@@ -27,7 +28,7 @@ pub struct AnthropicCompletionProvider {

 impl AnthropicCompletionProvider {
    pub fn new(
-        default_model: AnthropicModel,
+        model: AnthropicModel,
        api_url: String,
        http_client: Arc<dyn HttpClient>,
        low_speed_timeout: Option<Duration>,
@@ -36,7 +37,7 @@ impl AnthropicCompletionProvider {
        Self {
            api_key: None,
            api_url,
-            default_model,
+            model,
            http_client,
            low_speed_timeout,
            settings_version,
@@ -45,17 +46,21 @@ impl AnthropicCompletionProvider {

    pub fn update(
        &mut self,
-        default_model: AnthropicModel,
+        model: AnthropicModel,
        api_url: String,
        low_speed_timeout: Option<Duration>,
        settings_version: usize,
    ) {
-        self.default_model = default_model;
+        self.model = model;
        self.api_url = api_url;
        self.low_speed_timeout = low_speed_timeout;
        self.settings_version = settings_version;
    }

+    pub fn available_models(&self) -> impl Iterator<Item = AnthropicModel> {
+        AnthropicModel::iter()
+    }
+
    pub fn settings_version(&self) -> usize {
        self.settings_version
    }
@@ -105,8 +110,8 @@ impl AnthropicCompletionProvider {
            .into()
    }

-    pub fn default_model(&self) -> AnthropicModel {
-        self.default_model.clone()
+    pub fn model(&self) -> AnthropicModel {
+        self.model.clone()
    }

    pub fn count_tokens(
@@ -165,7 +170,7 @@ impl AnthropicCompletionProvider {
    fn to_anthropic_request(&self, request: LanguageModelRequest) -> Request {
        let model = match request.model {
            LanguageModel::Anthropic(model) => model,
-            _ => self.default_model(),
+            _ => self.model(),
        };

        let mut system_message = String::new();
@@ -261,7 +266,7 @@ impl AuthenticationPrompt {
            font_family: settings.ui_font.family.clone(),
            font_features: settings.ui_font.features.clone(),
            font_size: rems(0.875).into(),
-            font_weight: FontWeight::NORMAL,
+            font_weight: settings.ui_font.weight,
            font_style: FontStyle::Normal,
            line_height: relative(1.3),
            background_color: None,
--- a/crates/assistant/src/completion_provider/open_ai.rs
+++ b/crates/assistant/src/completion_provider/open_ai.rs
@@ -5,12 +5,13 @@ use crate::{
 use anyhow::{anyhow, Result};
 use editor::{Editor, EditorElement, EditorStyle};
 use futures::{future::BoxFuture, stream::BoxStream, FutureExt, StreamExt};
-use gpui::{AnyView, AppContext, FontStyle, FontWeight, Task, TextStyle, View, WhiteSpace};
+use gpui::{AnyView, AppContext, FontStyle, Task, TextStyle, View, WhiteSpace};
 use http::HttpClient;
 use open_ai::{stream_completion, Request, RequestMessage, Role as OpenAiRole};
 use settings::Settings;
 use std::time::Duration;
 use std::{env, sync::Arc};
+use strum::IntoEnumIterator;
 use theme::ThemeSettings;
 use ui::prelude::*;
 use util::ResultExt;
@@ -18,7 +19,7 @@ use util::ResultExt;
 pub struct OpenAiCompletionProvider {
    api_key: Option<String>,
    api_url: String,
-    default_model: OpenAiModel,
+    model: OpenAiModel,
    http_client: Arc<dyn HttpClient>,
    low_speed_timeout: Option<Duration>,
    settings_version: usize,
@@ -26,7 +27,7 @@ pub struct OpenAiCompletionProvider {

 impl OpenAiCompletionProvider {
    pub fn new(
-        default_model: OpenAiModel,
+        model: OpenAiModel,
        api_url: String,
        http_client: Arc<dyn HttpClient>,
        low_speed_timeout: Option<Duration>,
@@ -35,7 +36,7 @@ impl OpenAiCompletionProvider {
        Self {
            api_key: None,
            api_url,
-            default_model,
+            model,
            http_client,
            low_speed_timeout,
            settings_version,
@@ -44,17 +45,21 @@ impl OpenAiCompletionProvider {

    pub fn update(
        &mut self,
-        default_model: OpenAiModel,
+        model: OpenAiModel,
        api_url: String,
        low_speed_timeout: Option<Duration>,
        settings_version: usize,
    ) {
-        self.default_model = default_model;
+        self.model = model;
        self.api_url = api_url;
        self.low_speed_timeout = low_speed_timeout;
        self.settings_version = settings_version;
    }

+    pub fn available_models(&self) -> impl Iterator<Item = OpenAiModel> {
+        OpenAiModel::iter()
+    }
+
    pub fn settings_version(&self) -> usize {
        self.settings_version
    }
@@ -104,8 +109,8 @@ impl OpenAiCompletionProvider {
            .into()
    }

-    pub fn default_model(&self) -> OpenAiModel {
-        self.default_model.clone()
+    pub fn model(&self) -> OpenAiModel {
+        self.model.clone()
    }

    pub fn count_tokens(
@@ -152,7 +157,7 @@ impl OpenAiCompletionProvider {
    fn to_open_ai_request(&self, request: LanguageModelRequest) -> Request {
        let model = match request.model {
            LanguageModel::OpenAi(model) => model,
-            _ => self.default_model(),
+            _ => self.model(),
        };

        Request {
@@ -273,7 +278,7 @@ impl AuthenticationPrompt {
            font_family: settings.ui_font.family.clone(),
            font_features: settings.ui_font.features.clone(),
            font_size: rems(0.875).into(),
-            font_weight: FontWeight::NORMAL,
+            font_weight: settings.ui_font.weight,
            font_style: FontStyle::Normal,
            line_height: relative(1.3),
            background_color: None,
--- a/crates/assistant/src/completion_provider/zed.rs
+++ b/crates/assistant/src/completion_provider/zed.rs
@@ -7,11 +7,12 @@ use client::{proto, Client};
 use futures::{future::BoxFuture, stream::BoxStream, FutureExt, StreamExt, TryFutureExt};
 use gpui::{AnyView, AppContext, Task};
 use std::{future, sync::Arc};
+use strum::IntoEnumIterator;
 use ui::prelude::*;

 pub struct ZedDotDevCompletionProvider {
    client: Arc<Client>,
-    default_model: ZedDotDevModel,
+    model: ZedDotDevModel,
    settings_version: usize,
    status: client::Status,
    _maintain_client_status: Task<()>,
@@ -19,7 +20,7 @@ pub struct ZedDotDevCompletionProvider {

 impl ZedDotDevCompletionProvider {
    pub fn new(
-        default_model: ZedDotDevModel,
+        model: ZedDotDevModel,
        client: Arc<Client>,
        settings_version: usize,
        cx: &mut AppContext,
@@ -39,24 +40,39 @@ impl ZedDotDevCompletionProvider {
        });
        Self {
            client,
-            default_model,
+            model,
            settings_version,
            status,
            _maintain_client_status: maintain_client_status,
        }
    }

-    pub fn update(&mut self, default_model: ZedDotDevModel, settings_version: usize) {
-        self.default_model = default_model;
+    pub fn update(&mut self, model: ZedDotDevModel, settings_version: usize) {
+        self.model = model;
        self.settings_version = settings_version;
    }

+    pub fn available_models(&self) -> impl Iterator<Item = ZedDotDevModel> {
+        let mut custom_model = if let ZedDotDevModel::Custom(custom_model) = self.model.clone() {
+            Some(custom_model)
+        } else {
+            None
+        };
+        ZedDotDevModel::iter().filter_map(move |model| {
+            if let ZedDotDevModel::Custom(_) = model {
+                Some(ZedDotDevModel::Custom(custom_model.take()?))
+            } else {
+                Some(model)
+            }
+        })
+    }
+
    pub fn settings_version(&self) -> usize {
        self.settings_version
    }

-    pub fn default_model(&self) -> ZedDotDevModel {
-        self.default_model.clone()
+    pub fn model(&self) -> ZedDotDevModel {
+        self.model.clone()
    }

    pub fn is_authenticated(&self) -> bool {
--- a/crates/assistant/src/model_selector.rs
+++ b/crates/assistant/src/model_selector.rs
@@ -0,0 +1,84 @@
+use std::sync::Arc;
+
+use crate::{assistant_settings::AssistantSettings, CompletionProvider, ToggleModelSelector};
+use fs::Fs;
+use settings::update_settings_file;
+use ui::{popover_menu, prelude::*, ButtonLike, ContextMenu, PopoverMenuHandle, Tooltip};
+
+#[derive(IntoElement)]
+pub struct ModelSelector {
+    handle: PopoverMenuHandle<ContextMenu>,
+    fs: Arc<dyn Fs>,
+}
+
+impl ModelSelector {
+    pub fn new(handle: PopoverMenuHandle<ContextMenu>, fs: Arc<dyn Fs>) -> Self {
+        ModelSelector { handle, fs }
+    }
+}
+
+impl RenderOnce for ModelSelector {
+    fn render(self, cx: &mut WindowContext) -> impl IntoElement {
+        popover_menu("model-switcher")
+            .with_handle(self.handle)
+            .menu(move |cx| {
+                ContextMenu::build(cx, |mut menu, cx| {
+                    for model in CompletionProvider::global(cx).available_models() {
+                        menu = menu.custom_entry(
+                            {
+                                let model = model.clone();
+                                move |_| Label::new(model.display_name()).into_any_element()
+                            },
+                            {
+                                let fs = self.fs.clone();
+                                let model = model.clone();
+                                move |cx| {
+                                    let model = model.clone();
+                                    update_settings_file::<AssistantSettings>(
+                                        fs.clone(),
+                                        cx,
+                                        move |settings| settings.set_model(model),
+                                    );
+                                }
+                            },
+                        );
+                    }
+                    menu
+                })
+                .into()
+            })
+            .trigger(
+                ButtonLike::new("active-model")
+                    .child(
+                        h_flex()
+                            .w_full()
+                            .gap_0p5()
+                            .child(
+                                div()
+                                    .overflow_x_hidden()
+                                    .flex_grow()
+                                    .whitespace_nowrap()
+                                    .child(
+                                        Label::new(
+                                            CompletionProvider::global(cx).model().display_name(),
+                                        )
+                                        .size(LabelSize::Small)
+                                        .color(Color::Muted),
+                                    ),
+                            )
+                            .child(
+                                div().child(
+                                    Icon::new(IconName::ChevronDown)
+                                        .color(Color::Muted)
+                                        .size(IconSize::XSmall),
+                                ),
+                            ),
+                    )
+                    .style(ButtonStyle::Subtle)
+                    .tooltip(move |cx| {
+                        Tooltip::for_action("Change Model", &ToggleModelSelector, cx)
+                    }),
+            )
+            .anchor(gpui::AnchorCorner::BottomRight)
+    }
+}
--- a/crates/assistant/src/omit_ranges.rs
+++ b/crates/assistant/src/omit_ranges.rs
@@ -1,101 +0,0 @@
-use rope::Rope;
-use std::{cmp::Ordering, ops::Range};
-
-pub(crate) fn text_in_range_omitting_ranges(
-    rope: &Rope,
-    range: Range<usize>,
-    omit_ranges: &[Range<usize>],
-) -> String {
-    let mut content = String::with_capacity(range.len());
-    let mut omit_ranges = omit_ranges
-        .iter()
-        .skip_while(|omit_range| omit_range.end <= range.start)
-        .peekable();
-    let mut offset = range.start;
-    let mut chunks = rope.chunks_in_range(range.clone());
-    while let Some(chunk) = chunks.next() {
-        if let Some(omit_range) = omit_ranges.peek() {
-            match offset.cmp(&omit_range.start) {
-                Ordering::Less => {
-                    let max_len = omit_range.start - offset;
-                    if chunk.len() < max_len {
-                        content.push_str(chunk);
-                        offset += chunk.len();
-                    } else {
-                        content.push_str(&chunk[..max_len]);
-                        chunks.seek(omit_range.end.min(range.end));
-                        offset = omit_range.end;
-                        omit_ranges.next();
-                    }
-                }
-                Ordering::Equal | Ordering::Greater => {
-                    chunks.seek(omit_range.end.min(range.end));
-                    offset = omit_range.end;
-                    omit_ranges.next();
-                }
-            }
-        } else {
-            content.push_str(chunk);
-            offset += chunk.len();
-        }
-    }
-
-    content
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use rand::{rngs::StdRng, Rng as _};
-    use util::RandomCharIter;
-
-    #[gpui::test(iterations = 100)]
-    fn test_text_in_range_omitting_ranges(mut rng: StdRng) {
-        let text = RandomCharIter::new(&mut rng).take(1024).collect::<String>();
-        let rope = Rope::from(text.as_str());
-
-        let mut start = rng.gen_range(0..=text.len() / 2);
-        let mut end = rng.gen_range(text.len() / 2..=text.len());
-        while !text.is_char_boundary(start) {
-            start -= 1;
-        }
-        while !text.is_char_boundary(end) {
-            end += 1;
-        }
-        let range = start..end;
-
-        let mut ix = 0;
-        let mut omit_ranges = Vec::new();
-        for _ in 0..rng.gen_range(0..10) {
-            let mut start = rng.gen_range(ix..=text.len());
-            while !text.is_char_boundary(start) {
-                start += 1;
-            }
-            let mut end = rng.gen_range(start..=text.len());
-            while !text.is_char_boundary(end) {
-                end += 1;
-            }
-            omit_ranges.push(start..end);
-            ix = end;
-            if ix == text.len() {
-                break;
-            }
-        }
-
-        let mut expected_text = text[range.clone()].to_string();
-        for omit_range in omit_ranges.iter().rev() {
-            let start = omit_range
-                .start
-                .saturating_sub(range.start)
-                .min(range.len());
-            let end = omit_range.end.saturating_sub(range.start).min(range.len());
-            expected_text.replace_range(start..end, "");
-        }
-
-        assert_eq!(
-            text_in_range_omitting_ranges(&rope, range.clone(), &omit_ranges),
-            expected_text,
-            "text: {text:?}\nrange: {range:?}\nomit_ranges: {omit_ranges:?}"
-        );
-    }
-}
--- a/crates/assistant/src/prompts.rs
+++ b/crates/assistant/src/prompts.rs
@@ -1,3 +1,7 @@
-pub mod prompt;
-pub mod prompt_library;
-pub mod prompt_manager;
+mod prompt;
+mod prompt_library;
+mod prompt_manager;
+
+pub use prompt::*;
+pub use prompt_library::*;
+pub use prompt_manager::*;
--- a/crates/assistant/src/prompts/prompt.rs
+++ b/crates/assistant/src/prompts/prompt.rs
@@ -1,10 +1,34 @@
+use fs::Fs;
 use language::BufferSnapshot;
-use std::{fmt::Write, ops::Range};
+use std::{fmt::Write, ops::Range, path::PathBuf, sync::Arc};
 use ui::SharedString;
+use util::paths::PROMPTS_DIR;

 use gray_matter::{engine::YAML, Matter};
 use serde::{Deserialize, Serialize};

+use super::prompt_library::PromptId;
+
+pub const PROMPT_DEFAULT_TITLE: &str = "Untitled Prompt";
+
+fn standardize_value(value: String) -> String {
+    value.replace(['\n', '\r', '"', '\''], "")
+}
+
+fn slugify(input: String) -> String {
+    let mut slug = String::new();
+    for c in input.chars() {
+        if c.is_alphanumeric() {
+            slug.push(c.to_ascii_lowercase());
+        } else if c.is_whitespace() {
+            slug.push('-');
+        } else {
+            slug.push('_');
+        }
+    }
+    slug
+}
+
 #[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
 pub struct StaticPromptFrontmatter {
    title: String,
@@ -19,46 +43,52 @@ pub struct StaticPromptFrontmatter {
 impl Default for StaticPromptFrontmatter {
    fn default() -> Self {
        Self {
-            title: "New Prompt".to_string(),
+            title: PROMPT_DEFAULT_TITLE.to_string(),
            version: "1.0".to_string(),
-            author: "No Author".to_string(),
-            languages: vec!["*".to_string()],
+            author: "You <you@email.com>".to_string(),
+            languages: vec![],
            dependencies: vec![],
        }
    }
 }

 impl StaticPromptFrontmatter {
-    pub fn title(&self) -> SharedString {
-        self.title.clone().into()
+    /// Returns the frontmatter as a markdown frontmatter string
+    pub fn frontmatter_string(&self) -> String {
+        let mut frontmatter = format!(
+            "---\ntitle: \"{}\"\nversion: \"{}\"\nauthor: \"{}\"\n",
+            standardize_value(self.title.clone()),
+            standardize_value(self.version.clone()),
+            standardize_value(self.author.clone()),
+        );
+
+        if !self.languages.is_empty() {
+            let languages = self
+                .languages
+                .iter()
+                .map(|l| standardize_value(l.clone()))
+                .collect::<Vec<String>>()
+                .join(", ");
+            writeln!(frontmatter, "languages: [{}]", languages).unwrap();
+        }
+
+        if !self.dependencies.is_empty() {
+            let dependencies = self
+                .dependencies
+                .iter()
+                .map(|d| standardize_value(d.clone()))
+                .collect::<Vec<String>>()
+                .join(", ");
+            writeln!(frontmatter, "dependencies: [{}]", dependencies).unwrap();
+        }
+
+        frontmatter.push_str("---\n");
+
+        frontmatter
    }
-
-    // pub fn version(&self) -> SharedString {
-    //     self.version.clone().into()
-    // }
-
-    // pub fn author(&self) -> SharedString {
-    //     self.author.clone().into()
-    // }
-
-    // pub fn languages(&self) -> Vec<SharedString> {
-    //     self.languages
-    //         .clone()
-    //         .into_iter()
-    //         .map(|s| s.into())
-    //         .collect()
-    // }
-
-    // pub fn dependencies(&self) -> Vec<SharedString> {
-    //     self.dependencies
-    //         .clone()
-    //         .into_iter()
-    //         .map(|s| s.into())
-    //         .collect()
-    // }
 }

-/// A statuc prompt that can be loaded into the prompt library
+/// A static prompt that can be loaded into the prompt library
 /// from Markdown with a frontmatter header
 ///
 /// Examples:
@@ -92,95 +122,147 @@ impl StaticPromptFrontmatter {
 /// ```
 #[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
 pub struct StaticPrompt {
+    #[serde(skip_deserializing)]
+    id: PromptId,
+    #[serde(skip)]
+    metadata: StaticPromptFrontmatter,
    content: String,
-    file_name: Option<String>,
+    file_name: Option<SharedString>,
 }

-impl StaticPrompt {
-    pub fn new(content: String) -> Self {
-        StaticPrompt {
+impl Default for StaticPrompt {
+    fn default() -> Self {
+        let metadata = StaticPromptFrontmatter::default();
+
+        let content = metadata.clone().frontmatter_string();
+
+        Self {
+            id: PromptId::new(),
+            metadata,
            content,
            file_name: None,
        }
    }
-
-    pub fn title(&self) -> Option<SharedString> {
-        self.metadata().map(|m| m.title())
-    }
-
-    // pub fn version(&self) -> Option<SharedString> {
-    //     self.metadata().map(|m| m.version())
-    // }
-
-    // pub fn author(&self) -> Option<SharedString> {
-    //     self.metadata().map(|m| m.author())
-    // }
-
-    // pub fn languages(&self) -> Vec<SharedString> {
-    //     self.metadata().map(|m| m.languages()).unwrap_or_default()
-    // }
-
-    // pub fn dependencies(&self) -> Vec<SharedString> {
-    //     self.metadata()
-    //         .map(|m| m.dependencies())
-    //         .unwrap_or_default()
-    // }
-
-    // pub fn load(fs: Arc<Fs>, file_name: String) -> anyhow::Result<Self> {
-    //     todo!()
-    // }
-
-    // pub fn save(&self, fs: Arc<Fs>) -> anyhow::Result<()> {
-    //     todo!()
-    // }
-
-    // pub fn rename(&self, new_file_name: String, fs: Arc<Fs>) -> anyhow::Result<()> {
-    //     todo!()
-    // }
 }

 impl StaticPrompt {
-    // pub fn update(&mut self, contents: String) -> &mut Self {
-    //     self.content = contents;
-    //     self
-    // }
+    pub fn new(content: String, file_name: Option<String>) -> Self {
+        let matter = Matter::<YAML>::new();
+        let result = matter.parse(&content);
+        let file_name = if let Some(file_name) = file_name {
+            let shared_filename: SharedString = file_name.into();
+            Some(shared_filename)
+        } else {
+            None
+        };

-    /// Sets the file name of the prompt
-    pub fn file_name(&mut self, file_name: String) -> &mut Self {
-        self.file_name = Some(file_name);
-        self
+        let metadata = result
+            .data
+            .map_or_else(
+                || Err(anyhow::anyhow!("Failed to parse frontmatter")),
+                |data| {
+                    let front_matter: StaticPromptFrontmatter = data.deserialize()?;
+                    Ok(front_matter)
+                },
+            )
+            .unwrap_or_else(|e| {
+                if let Some(file_name) = &file_name {
+                    log::error!("Failed to parse frontmatter for {}: {}", file_name, e);
+                } else {
+                    log::error!("Failed to parse frontmatter: {}", e);
+                }
+                StaticPromptFrontmatter::default()
+            });
+
+        let id = if let Some(file_name) = &file_name {
+            PromptId::from_str(file_name).unwrap_or_default()
+        } else {
+            PromptId::new()
+        };
+
+        StaticPrompt {
+            id,
+            content,
+            file_name,
+            metadata,
+        }
    }

-    /// Sets the file name of the prompt based on the title
-    // pub fn file_name_from_title(&mut self) -> &mut Self {
-    //     if let Some(title) = self.title() {
-    //         let file_name = title.to_lowercase().replace(" ", "_");
-    //         if !file_name.is_empty() {
-    //             self.file_name = Some(file_name);
-    //         }
-    //     }
-    //     self
-    // }
+    pub fn update(&mut self, id: PromptId, content: String) {
+        let mut updated_prompt =
+            StaticPrompt::new(content, self.file_name.clone().map(|s| s.to_string()));
+        updated_prompt.id = id;
+        *self = updated_prompt;
+    }
+}
+
+impl StaticPrompt {
+    /// Returns the prompt's id
+    pub fn id(&self) -> &PromptId {
+        &self.id
+    }
+
+    pub fn file_name(&self) -> Option<&SharedString> {
+        self.file_name.as_ref()
+    }
+
+    /// Sets the file name of the prompt
+    pub fn new_file_name(&self) -> String {
+        let in_name = format!(
+            "{}_{}_{}",
+            standardize_value(self.metadata.title.clone()),
+            standardize_value(self.metadata.version.clone()),
+            standardize_value(self.id.0.to_string())
+        );
+        let out_name = slugify(in_name);
+        out_name
+    }

    /// Returns the prompt's content
    pub fn content(&self) -> &String {
        &self.content
    }
-    fn parse(&self) -> anyhow::Result<(StaticPromptFrontmatter, String)> {
+
+    /// Returns the prompt's metadata
+    pub fn _metadata(&self) -> &StaticPromptFrontmatter {
+        &self.metadata
+    }
+
+    /// Returns the prompt's title
+    pub fn title(&self) -> SharedString {
+        self.metadata.title.clone().into()
+    }
+
+    pub fn body(&self) -> String {
        let matter = Matter::<YAML>::new();
        let result = matter.parse(self.content.as_str());
-        match result.data {
-            Some(data) => {
-                let front_matter: StaticPromptFrontmatter = data.deserialize()?;
-                let body = result.content;
-                Ok((front_matter, body))
-            }
-            None => Err(anyhow::anyhow!("Failed to parse frontmatter")),
+        result.content.clone()
+    }
+
+    pub fn path(&self) -> Option<PathBuf> {
+        if let Some(file_name) = self.file_name() {
+            let path_str = format!("{}", file_name);
+            Some(PROMPTS_DIR.join(path_str))
+        } else {
+            None
        }
    }

-    pub fn metadata(&self) -> Option<StaticPromptFrontmatter> {
-        self.parse().ok().map(|(front_matter, _)| front_matter)
+    pub async fn save(&self, fs: Arc<dyn Fs>) -> anyhow::Result<()> {
+        let file_name = self.file_name();
+        let new_file_name = self.new_file_name();
+
+        let out_name = if let Some(file_name) = file_name {
+            file_name.to_owned().to_string()
+        } else {
+            format!("{}.md", new_file_name)
+        };
+        let path = PROMPTS_DIR.join(&out_name);
+        let json = self.content.clone();
+
+        fs.atomic_write(path, json).await?;
+
+        Ok(())
    }
 }

--- a/crates/assistant/src/prompts/prompt_library.rs
+++ b/crates/assistant/src/prompts/prompt_library.rs
@@ -2,6 +2,7 @@ use anyhow::Context;
 use collections::HashMap;
 use fs::Fs;

+use gray_matter::{engine::YAML, Matter};
 use parking_lot::RwLock;
 use serde::{Deserialize, Serialize};
 use smol::stream::StreamExt;
@@ -14,11 +15,26 @@ use super::prompt::StaticPrompt;
 #[derive(Debug, Clone, Copy, Eq, PartialEq, Hash, Serialize, Deserialize)]
 pub struct PromptId(pub Uuid);

+#[derive(Debug, Clone, Copy, Eq, PartialEq)]
+pub enum SortOrder {
+    Alphabetical,
+}
+
 #[allow(unused)]
 impl PromptId {
    pub fn new() -> Self {
        Self(Uuid::new_v4())
    }
+
+    pub fn from_str(id: &str) -> anyhow::Result<Self> {
+        Ok(Self(Uuid::parse_str(id)?))
+    }
+}
+
+impl Default for PromptId {
+    fn default() -> Self {
+        Self::new()
+    }
 }

 #[derive(Default, Serialize, Deserialize)]
@@ -50,13 +66,41 @@ impl PromptLibrary {
        }
    }

-    pub fn prompts(&self) -> Vec<(PromptId, StaticPrompt)> {
+    pub fn new_prompt(&self) -> StaticPrompt {
+        StaticPrompt::default()
+    }
+
+    pub fn add_prompt(&self, prompt: StaticPrompt) {
+        let mut state = self.state.write();
+        let id = *prompt.id();
+        state.prompts.insert(id, prompt);
+        state.version += 1;
+    }
+
+    pub fn prompts(&self) -> HashMap<PromptId, StaticPrompt> {
        let state = self.state.read();
-        state
+        state.prompts.clone()
+    }
+
+    pub fn sorted_prompts(&self, sort_order: SortOrder) -> Vec<(PromptId, StaticPrompt)> {
+        let state = self.state.read();
+
+        let mut prompts = state
            .prompts
            .iter()
            .map(|(id, prompt)| (*id, prompt.clone()))
-            .collect()
+            .collect::<Vec<_>>();
+
+        match sort_order {
+            SortOrder::Alphabetical => prompts.sort_by(|(_, a), (_, b)| a.title().cmp(&b.title())),
+        };
+
+        prompts
+    }
+
+    pub fn prompt_by_id(&self, id: PromptId) -> Option<StaticPrompt> {
+        let state = self.state.read();
+        state.prompts.get(&id).cloned()
    }

    pub fn first_prompt_id(&self) -> Option<PromptId> {
@@ -64,31 +108,27 @@ impl PromptLibrary {
        state.prompts.keys().next().cloned()
    }

-    pub fn prompt(&self, id: PromptId) -> Option<StaticPrompt> {
+    pub fn is_dirty(&self, id: &PromptId) -> bool {
        let state = self.state.read();
-        state.prompts.get(&id).cloned()
+        state.dirty_prompts.contains(&id)
    }

-    /// Save the current state of the prompt library to the
-    /// file system as a JSON file
-    pub async fn save(&self, fs: Arc<dyn Fs>) -> anyhow::Result<()> {
-        fs.create_dir(&PROMPTS_DIR).await?;
-
-        let path = PROMPTS_DIR.join("index.json");
-
-        let json = {
-            let state = self.state.read();
-            serde_json::to_string(&*state)?
-        };
-
-        fs.atomic_write(path, json).await?;
-
-        Ok(())
+    pub fn set_dirty(&self, id: PromptId, dirty: bool) {
+        let mut state = self.state.write();
+        if dirty {
+            if !state.dirty_prompts.contains(&id) {
+                state.dirty_prompts.push(id);
+            }
+            state.version += 1;
+        } else {
+            state.dirty_prompts.retain(|&i| i != id);
+            state.version += 1;
+        }
    }

    /// Load the state of the prompt library from the file system
    /// or create a new one if it doesn't exist
-    pub async fn load(fs: Arc<dyn Fs>) -> anyhow::Result<Self> {
+    pub async fn load_index(fs: Arc<dyn Fs>) -> anyhow::Result<Self> {
        let path = PROMPTS_DIR.join("index.json");

        let state = if fs.is_file(&path).await {
@@ -110,15 +150,23 @@ impl PromptLibrary {
    /// Load all prompts from the file system
    /// adding them to the library if they don't already exist
    pub async fn load_prompts(&mut self, fs: Arc<dyn Fs>) -> anyhow::Result<()> {
-        // let current_prompts = self.all_prompt_contents().clone();
-
-        // For now, we'll just clear the prompts and reload them all
        self.state.get_mut().prompts.clear();

        let mut prompt_paths = fs.read_dir(&PROMPTS_DIR).await?;

        while let Some(prompt_path) = prompt_paths.next().await {
            let prompt_path = prompt_path.with_context(|| "Failed to read prompt path")?;
+            let file_name_lossy = if prompt_path.file_name().is_some() {
+                Some(
+                    prompt_path
+                        .file_name()
+                        .unwrap()
+                        .to_string_lossy()
+                        .to_string(),
+                )
+            } else {
+                None
+            };

            if !fs.is_file(&prompt_path).await
                || prompt_path.extension().and_then(|ext| ext.to_str()) != Some("md")
@@ -130,13 +178,17 @@ impl PromptLibrary {
                .load(&prompt_path)
                .await
                .with_context(|| format!("Failed to load prompt {:?}", prompt_path))?;
-            let mut static_prompt = StaticPrompt::new(json);

-            if let Some(file_name) = prompt_path.file_name() {
-                let file_name = file_name.to_string_lossy().into_owned();
-                static_prompt.file_name(file_name);
+            // Check that the prompt is valid
+            let matter = Matter::<YAML>::new();
+            let result = matter.parse(&json);
+            if result.data.is_none() {
+                log::warn!("Invalid prompt: {:?}", prompt_path);
+                continue;
            }

+            let static_prompt = StaticPrompt::new(json, file_name_lossy.clone());
+
            let state = self.state.get_mut();

            let id = Uuid::new_v4();
@@ -145,7 +197,48 @@ impl PromptLibrary {
        }

        // Write any changes back to the file system
-        self.save(fs.clone()).await?;
+        self.save_index(fs.clone()).await?;
+
+        Ok(())
+    }
+
+    /// Save the current state of the prompt library to the
+    /// file system as a JSON file
+    pub async fn save_index(&self, fs: Arc<dyn Fs>) -> anyhow::Result<()> {
+        fs.create_dir(&PROMPTS_DIR).await?;
+
+        let path = PROMPTS_DIR.join("index.json");
+
+        let json = {
+            let state = self.state.read();
+            serde_json::to_string(&*state)?
+        };
+
+        fs.atomic_write(path, json).await?;
+
+        Ok(())
+    }
+
+    pub async fn save_prompt(
+        &self,
+        prompt_id: PromptId,
+        updated_content: Option<String>,
+        fs: Arc<dyn Fs>,
+    ) -> anyhow::Result<()> {
+        if let Some(updated_content) = updated_content {
+            let mut state = self.state.write();
+            if let Some(prompt) = state.prompts.get_mut(&prompt_id) {
+                prompt.update(prompt_id, updated_content);
+                state.version += 1;
+            }
+        }
+
+        if let Some(prompt) = self.prompt_by_id(prompt_id) {
+            prompt.save(fs).await?;
+            self.set_dirty(prompt_id, false);
+        } else {
+            log::warn!("Failed to save prompt: {:?}", prompt_id);
+        }

        Ok(())
    }
--- a/crates/assistant/src/prompts/prompt_manager.rs
+++ b/crates/assistant/src/prompts/prompt_manager.rs
@@ -1,16 +1,17 @@
 use collections::HashMap;
-use editor::Editor;
+use editor::{Editor, EditorEvent};
 use fs::Fs;
 use gpui::{prelude::FluentBuilder, *};
 use language::{language_settings, Buffer, LanguageRegistry};
 use picker::{Picker, PickerDelegate};
 use std::sync::Arc;
-use ui::{prelude::*, IconButtonShape, ListItem, ListItemSpacing};
+use ui::{prelude::*, IconButtonShape, Indicator, ListItem, ListItemSpacing, Tooltip};
 use util::{ResultExt, TryFutureExt};
 use workspace::ModalView;

-use super::prompt_library::{PromptId, PromptLibrary};
-use crate::prompts::prompt::StaticPrompt;
+use crate::prompts::{PromptId, PromptLibrary, SortOrder, StaticPrompt, PROMPT_DEFAULT_TITLE};
+
+actions!(prompt_manager, [NewPrompt, SavePrompt]);

 pub struct PromptManager {
    focus_handle: FocusHandle,
@@ -21,6 +22,8 @@ pub struct PromptManager {
    picker: View<Picker<PromptManagerDelegate>>,
    prompt_editors: HashMap<PromptId, View<Editor>>,
    active_prompt_id: Option<PromptId>,
+    last_new_prompt_id: Option<PromptId>,
+    _subscriptions: Vec<Subscription>,
 }

 impl PromptManager {
@@ -39,6 +42,7 @@ impl PromptManager {
                    matching_prompt_ids: vec![],
                    prompt_library: prompt_library.clone(),
                    selected_index: 0,
+                    _subscriptions: vec![],
                },
                cx,
            )
@@ -48,6 +52,11 @@ impl PromptManager {

        let focus_handle = picker.focus_handle(cx);

+        let subscriptions = vec![
+            // cx.on_focus_in(&focus_handle, Self::focus_in),
+            // cx.on_focus_out(&focus_handle, Self::focus_out),
+        ];
+
        let mut manager = Self {
            focus_handle,
            prompt_library,
@@ -56,6 +65,8 @@ impl PromptManager {
            picker,
            prompt_editors: HashMap::default(),
            active_prompt_id: None,
+            last_new_prompt_id: None,
+            _subscriptions: subscriptions,
        };

        manager.active_prompt_id = manager.prompt_library.first_prompt_id();
@@ -63,11 +74,105 @@ impl PromptManager {
        manager
    }

+    fn dispatch_context(&self, cx: &ViewContext<Self>) -> KeyContext {
+        let mut dispatch_context = KeyContext::new_with_defaults();
+        dispatch_context.add("PromptManager");
+
+        let identifier = match self.active_editor() {
+            Some(active_editor) if active_editor.focus_handle(cx).is_focused(cx) => "editing",
+            _ => "not_editing",
+        };
+
+        dispatch_context.add(identifier);
+        dispatch_context
+    }
+
+    pub fn new_prompt(&mut self, _: &NewPrompt, cx: &mut ViewContext<Self>) {
+        // TODO: Why doesn't this prevent making a new prompt if you
+        // move the picker selection/maybe unfocus the editor?
+
+        // Prevent making a new prompt if the last new prompt is still empty
+        //
+        // Instead, we'll focus the last new prompt
+        if let Some(last_new_prompt_id) = self.last_new_prompt_id() {
+            if let Some(last_new_prompt) = self.prompt_library.prompt_by_id(last_new_prompt_id) {
+                let normalized_body = last_new_prompt
+                    .body()
+                    .trim()
+                    .replace(['\r', '\n'], "")
+                    .to_string();
+
+                if last_new_prompt.title() == PROMPT_DEFAULT_TITLE && normalized_body.is_empty() {
+                    self.set_editor_for_prompt(last_new_prompt_id, cx);
+                    self.focus_active_editor(cx);
+                }
+            }
+        }
+
+        let prompt = self.prompt_library.new_prompt();
+        self.set_last_new_prompt_id(Some(prompt.id().to_owned()));
+
+        self.prompt_library.add_prompt(prompt.clone());
+
+        let id = *prompt.id();
+        self.picker.update(cx, |picker, _cx| {
+            let prompts = self
+                .prompt_library
+                .sorted_prompts(SortOrder::Alphabetical)
+                .clone()
+                .into_iter();
+
+            picker.delegate.prompt_library = self.prompt_library.clone();
+            picker.delegate.matching_prompts = prompts.clone().map(|(_, p)| Arc::new(p)).collect();
+            picker.delegate.matching_prompt_ids = prompts.map(|(id, _)| id).collect();
+            picker.delegate.selected_index = picker
+                .delegate
+                .matching_prompts
+                .iter()
+                .position(|p| p.id() == &id)
+                .unwrap_or(0);
+        });
+
+        self.active_prompt_id = Some(id);
+
+        cx.notify();
+    }
+
+    pub fn save_prompt(
+        &mut self,
+        fs: Arc<dyn Fs>,
+        prompt_id: PromptId,
+        new_content: String,
+        cx: &mut ViewContext<Self>,
+    ) -> Result<()> {
+        let library = self.prompt_library.clone();
+        if library.prompt_by_id(prompt_id).is_some() {
+            cx.spawn(|_, _| async move {
+                library
+                    .save_prompt(prompt_id, Some(new_content), fs)
+                    .log_err()
+                    .await;
+            })
+            .detach();
+            cx.notify();
+        }
+
+        Ok(())
+    }
+
    pub fn set_active_prompt(&mut self, prompt_id: Option<PromptId>, cx: &mut ViewContext<Self>) {
        self.active_prompt_id = prompt_id;
        cx.notify();
    }

+    pub fn last_new_prompt_id(&self) -> Option<PromptId> {
+        self.last_new_prompt_id
+    }
+
+    pub fn set_last_new_prompt_id(&mut self, id: Option<PromptId>) {
+        self.last_new_prompt_id = id;
+    }
+
    pub fn focus_active_editor(&self, cx: &mut ViewContext<Self>) {
        if let Some(active_prompt_id) = self.active_prompt_id {
            if let Some(editor) = self.prompt_editors.get(&active_prompt_id) {
@@ -78,38 +183,9 @@ impl PromptManager {
        }
    }

-    fn dismiss(&mut self, _: &menu::Cancel, cx: &mut ViewContext<Self>) {
-        cx.emit(DismissEvent);
-    }
-
-    fn render_prompt_list(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
-        let picker = self.picker.clone();
-
-        v_flex()
-            .id("prompt-list")
-            .bg(cx.theme().colors().surface_background)
-            .h_full()
-            .w_2_5()
-            .child(
-                h_flex()
-                    .bg(cx.theme().colors().background)
-                    .p(Spacing::Small.rems(cx))
-                    .border_b_1()
-                    .border_color(cx.theme().colors().border)
-                    .h(rems(1.75))
-                    .w_full()
-                    .flex_none()
-                    .justify_between()
-                    .child(Label::new("Prompt Library").size(LabelSize::Small))
-                    .child(IconButton::new("new-prompt", IconName::Plus).disabled(true)),
-            )
-            .child(
-                v_flex()
-                    .h(rems(38.25))
-                    .flex_grow()
-                    .justify_start()
-                    .child(picker),
-            )
+    pub fn active_editor(&self) -> Option<&View<Editor>> {
+        self.active_prompt_id
+            .and_then(|active_prompt_id| self.prompt_editors.get(&active_prompt_id))
    }

    fn set_editor_for_prompt(
@@ -121,7 +197,7 @@ impl PromptManager {

        let editor_for_prompt = self.prompt_editors.entry(prompt_id).or_insert_with(|| {
            cx.new_view(|cx| {
-                let text = if let Some(prompt) = prompt_library.prompt(prompt_id) {
+                let text = if let Some(prompt) = prompt_library.prompt_by_id(prompt_id) {
                    prompt.content().to_owned()
                } else {
                    "".to_string()
@@ -147,17 +223,76 @@ impl PromptManager {
                editor
            })
        });
+
        editor_for_prompt.clone()
    }
+
+    fn dismiss(&mut self, _: &menu::Cancel, cx: &mut ViewContext<Self>) {
+        cx.emit(DismissEvent);
+    }
+
+    fn render_prompt_list(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
+        let picker = self.picker.clone();
+
+        v_flex()
+            .id("prompt-list")
+            .bg(cx.theme().colors().surface_background)
+            .h_full()
+            .w_1_3()
+            .overflow_hidden()
+            .child(
+                h_flex()
+                    .bg(cx.theme().colors().background)
+                    .p(Spacing::Small.rems(cx))
+                    .border_b_1()
+                    .border_color(cx.theme().colors().border)
+                    .h(rems(1.75))
+                    .w_full()
+                    .flex_none()
+                    .justify_between()
+                    .child(Label::new("Prompt Library").size(LabelSize::Small))
+                    .child(
+                        IconButton::new("new-prompt", IconName::Plus)
+                            .shape(IconButtonShape::Square)
+                            .tooltip(move |cx| Tooltip::text("New Prompt", cx))
+                            .on_click(|_, cx| {
+                                cx.dispatch_action(NewPrompt.boxed_clone());
+                            }),
+                    ),
+            )
+            .child(
+                v_flex()
+                    .h(rems(38.25))
+                    .flex_grow()
+                    .justify_start()
+                    .child(picker),
+            )
+    }
 }

 impl Render for PromptManager {
    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
+        let active_prompt_id = self.active_prompt_id;
+        let active_prompt = if let Some(active_prompt_id) = active_prompt_id {
+            self.prompt_library.clone().prompt_by_id(active_prompt_id)
+        } else {
+            None
+        };
+        let active_editor = self.active_editor().map(|editor| editor.clone());
+        let updated_content = if let Some(editor) = active_editor {
+            Some(editor.read(cx).text(cx))
+        } else {
+            None
+        };
+        let can_save = active_prompt_id.is_some() && updated_content.is_some();
+        let fs = self.fs.clone();
+
        h_flex()
-            .key_context("PromptManager")
+            .id("prompt-manager")
+            .key_context(self.dispatch_context(cx))
            .track_focus(&self.focus_handle)
            .on_action(cx.listener(Self::dismiss))
-            // .on_action(cx.listener(Self::save_active_prompt))
+            .on_action(cx.listener(Self::new_prompt))
            .elevation_3(cx)
            .size_full()
            .flex_none()
@@ -166,7 +301,7 @@ impl Render for PromptManager {
            .overflow_hidden()
            .child(self.render_prompt_list(cx))
            .child(
-                div().w_3_5().h_full().child(
+                div().w_2_3().h_full().child(
                    v_flex()
                        .id("prompt-editor")
                        .border_l_1()
@@ -176,6 +311,7 @@ impl Render for PromptManager {
                        .flex_none()
                        .min_w_64()
                        .h_full()
+                        .overflow_hidden()
                        .child(
                            h_flex()
                                .bg(cx.theme().colors().background)
@@ -185,16 +321,60 @@ impl Render for PromptManager {
                                .h_7()
                                .w_full()
                                .justify_between()
-                                .child(div())
+                                .child(
+                                    h_flex()
+                                        .gap(Spacing::XXLarge.rems(cx))
+                                        .child(if can_save {
+                                            IconButton::new("save", IconName::Save)
+                                                .shape(IconButtonShape::Square)
+                                                .tooltip(move |cx| Tooltip::text("Save Prompt", cx))
+                                                .on_click(cx.listener(move |this, _event, cx| {
+                                                    if let Some(prompt_id) = active_prompt_id {
+                                                        this.save_prompt(
+                                                            fs.clone(),
+                                                            prompt_id,
+                                                            updated_content.clone().unwrap_or(
+                                                                "TODO: make unreachable"
+                                                                    .to_string(),
+                                                            ),
+                                                            cx,
+                                                        )
+                                                        .log_err();
+                                                    }
+                                                }))
+                                        } else {
+                                            IconButton::new("save", IconName::Save)
+                                                .shape(IconButtonShape::Square)
+                                                .disabled(true)
+                                        })
+                                        .when_some(active_prompt, |this, active_prompt| {
+                                            let path = active_prompt.path();
+
+                                            this.child(
+                                                IconButton::new("reveal", IconName::Reveal)
+                                                    .shape(IconButtonShape::Square)
+                                                    .disabled(path.is_none())
+                                                    .tooltip(move |cx| {
+                                                        Tooltip::text("Reveal in Finder", cx)
+                                                    })
+                                                    .on_click(cx.listener(move |_, _event, cx| {
+                                                        if let Some(path) = path.clone() {
+                                                            cx.reveal_path(&path);
+                                                        }
+                                                    })),
+                                            )
+                                        }),
+                                )
                                .child(
                                    IconButton::new("dismiss", IconName::Close)
                                        .shape(IconButtonShape::Square)
+                                        .tooltip(move |cx| Tooltip::text("Close", cx))
                                        .on_click(|_, cx| {
                                            cx.dispatch_action(menu::Cancel.boxed_clone());
                                        }),
                                ),
                        )
-                        .when_some(self.active_prompt_id, |this, active_prompt_id| {
+                        .when_some(active_prompt_id, |this, active_prompt_id| {
                            this.child(
                                h_flex()
                                    .flex_1()
@@ -210,6 +390,8 @@ impl Render for PromptManager {
 }

 impl EventEmitter<DismissEvent> for PromptManager {}
+impl EventEmitter<EditorEvent> for PromptManager {}
+
 impl ModalView for PromptManager {}

 impl FocusableView for PromptManager {
@@ -224,6 +406,7 @@ pub struct PromptManagerDelegate {
    matching_prompt_ids: Vec<PromptId>,
    prompt_library: Arc<PromptLibrary>,
    selected_index: usize,
+    _subscriptions: Vec<Subscription>,
 }

 impl PickerDelegate for PromptManagerDelegate {
@@ -264,7 +447,7 @@ impl PickerDelegate for PromptManagerDelegate {
        let prompt_library = self.prompt_library.clone();
        cx.spawn(|picker, mut cx| async move {
            async {
-                let prompts = prompt_library.prompts();
+                let prompts = prompt_library.sorted_prompts(SortOrder::Alphabetical);
                let matching_prompts = prompts
                    .into_iter()
                    .filter(|(_, prompt)| {
@@ -313,15 +496,17 @@ impl PickerDelegate for PromptManagerDelegate {
        selected: bool,
        _cx: &mut ViewContext<Picker<Self>>,
    ) -> Option<Self::ListItem> {
-        let matching_prompt = self.matching_prompts.get(ix)?;
-        let prompt = matching_prompt.clone();
+        let prompt = self.matching_prompts.get(ix)?;
+
+        let is_diry = self.prompt_library.is_dirty(prompt.id());

        Some(
            ListItem::new(ix)
                .inset(true)
                .spacing(ListItemSpacing::Sparse)
                .selected(selected)
-                .child(Label::new(prompt.title().unwrap_or_default().clone())),
+                .child(Label::new(prompt.title()))
+                .end_slot(div().when(is_diry, |this| this.child(Indicator::dot()))),
        )
    }
 }
--- a/crates/assistant/src/slash_command.rs
+++ b/crates/assistant/src/slash_command.rs
@@ -1,12 +1,11 @@
+use crate::assistant_panel::ConversationEditor;
 use anyhow::Result;
-use collections::HashMap;
+pub use assistant_slash_command::{SlashCommand, SlashCommandOutput, SlashCommandRegistry};
 use editor::{CompletionProvider, Editor};
-use futures::channel::oneshot;
 use fuzzy::{match_strings, StringMatchCandidate};
-use gpui::{AppContext, Model, Task, ViewContext, WindowHandle};
+use gpui::{Model, Task, ViewContext, WeakView, WindowContext};
 use language::{Anchor, Buffer, CodeLabel, Documentation, LanguageServerId, ToPoint};
 use parking_lot::{Mutex, RwLock};
-use project::Project;
 use rope::Point;
 use std::{
    ops::Range,
@@ -17,56 +16,19 @@ use std::{
 };
 use workspace::Workspace;

-use crate::PromptLibrary;
-
-mod current_file_command;
-mod file_command;
-mod prompt_command;
+pub mod active_command;
+pub mod file_command;
+pub mod project_command;
+pub mod prompt_command;
+pub mod rustdoc_command;
+pub mod search_command;
+pub mod tabs_command;

 pub(crate) struct SlashCommandCompletionProvider {
+    editor: WeakView<ConversationEditor>,
    commands: Arc<SlashCommandRegistry>,
    cancel_flag: Mutex<Arc<AtomicBool>>,
-}
-
-#[derive(Default)]
-pub(crate) struct SlashCommandRegistry {
-    commands: HashMap<String, Box<dyn SlashCommand>>,
-}
-
-pub(crate) trait SlashCommand: 'static + Send + Sync {
-    fn name(&self) -> String;
-    fn description(&self) -> String;
-    fn complete_argument(
-        &self,
-        query: String,
-        cancel: Arc<AtomicBool>,
-        cx: &mut AppContext,
-    ) -> Task<Result<Vec<String>>>;
-    fn requires_argument(&self) -> bool;
-    fn run(&self, argument: Option<&str>, cx: &mut AppContext) -> SlashCommandInvocation;
-}
-
-pub(crate) struct SlashCommandInvocation {
-    pub output: Task<Result<String>>,
-    pub invalidated: oneshot::Receiver<()>,
-    pub cleanup: SlashCommandCleanup,
-}
-
-#[derive(Default)]
-pub(crate) struct SlashCommandCleanup(Option<Box<dyn FnOnce()>>);
-
-impl SlashCommandCleanup {
-    pub fn new(cleanup: impl FnOnce() + 'static) -> Self {
-        Self(Some(Box::new(cleanup)))
-    }
-}
-
-impl Drop for SlashCommandCleanup {
-    fn drop(&mut self) {
-        if let Some(cleanup) = self.0.take() {
-            cleanup();
-        }
-    }
+    workspace: WeakView<Workspace>,
 }

 pub(crate) struct SlashCommandLine {
@@ -76,95 +38,95 @@ pub(crate) struct SlashCommandLine {
    pub argument: Option<Range<usize>>,
 }

-impl SlashCommandRegistry {
-    pub fn new(
-        project: Model<Project>,
-        prompt_library: Arc<PromptLibrary>,
-        window: Option<WindowHandle<Workspace>>,
-    ) -> Arc<Self> {
-        let mut this = Self {
-            commands: HashMap::default(),
-        };
-
-        this.register_command(file_command::FileSlashCommand::new(project));
-        this.register_command(prompt_command::PromptSlashCommand::new(prompt_library));
-        if let Some(window) = window {
-            this.register_command(current_file_command::CurrentFileSlashCommand::new(window));
-        }
-
-        Arc::new(this)
-    }
-
-    fn register_command(&mut self, command: impl SlashCommand) {
-        self.commands.insert(command.name(), Box::new(command));
-    }
-
-    fn command_names(&self) -> impl Iterator<Item = &String> {
-        self.commands.keys()
-    }
-
-    pub(crate) fn command(&self, name: &str) -> Option<&dyn SlashCommand> {
-        self.commands.get(name).map(|b| &**b)
-    }
-}
-
 impl SlashCommandCompletionProvider {
-    pub fn new(commands: Arc<SlashCommandRegistry>) -> Self {
+    pub fn new(
+        editor: WeakView<ConversationEditor>,
+        commands: Arc<SlashCommandRegistry>,
+        workspace: WeakView<Workspace>,
+    ) -> Self {
        Self {
            cancel_flag: Mutex::new(Arc::new(AtomicBool::new(false))),
+            editor,
            commands,
+            workspace,
        }
    }

    fn complete_command_name(
        &self,
        command_name: &str,
-        range: Range<Anchor>,
-        cx: &mut AppContext,
+        command_range: Range<Anchor>,
+        name_range: Range<Anchor>,
+        cx: &mut WindowContext,
    ) -> Task<Result<Vec<project::Completion>>> {
        let candidates = self
            .commands
            .command_names()
+            .into_iter()
            .enumerate()
            .map(|(ix, def)| StringMatchCandidate {
                id: ix,
-                string: def.clone(),
-                char_bag: def.as_str().into(),
+                string: def.to_string(),
+                char_bag: def.as_ref().into(),
            })
            .collect::<Vec<_>>();
        let commands = self.commands.clone();
        let command_name = command_name.to_string();
-        let executor = cx.background_executor().clone();
-        executor.clone().spawn(async move {
+        let editor = self.editor.clone();
+        let workspace = self.workspace.clone();
+        cx.spawn(|mut cx| async move {
            let matches = match_strings(
                &candidates,
                &command_name,
                true,
                usize::MAX,
                &Default::default(),
-                executor,
+                cx.background_executor().clone(),
            )
            .await;

-            Ok(matches
-                .into_iter()
-                .filter_map(|mat| {
-                    let command = commands.command(&mat.string)?;
-                    let mut new_text = mat.string.clone();
-                    if command.requires_argument() {
-                        new_text.push(' ');
-                    }
+            cx.update(|cx| {
+                matches
+                    .into_iter()
+                    .filter_map(|mat| {
+                        let command = commands.command(&mat.string)?;
+                        let mut new_text = mat.string.clone();
+                        let requires_argument = command.requires_argument();
+                        if requires_argument {
+                            new_text.push(' ');
+                        }

-                    Some(project::Completion {
-                        old_range: range.clone(),
-                        documentation: Some(Documentation::SingleLine(command.description())),
-                        new_text,
-                        label: CodeLabel::plain(mat.string, None),
-                        server_id: LanguageServerId(0),
-                        lsp_completion: Default::default(),
+                        Some(project::Completion {
+                            old_range: name_range.clone(),
+                            documentation: Some(Documentation::SingleLine(command.description())),
+                            new_text,
+                            label: command.label(cx),
+                            server_id: LanguageServerId(0),
+                            lsp_completion: Default::default(),
+                            show_new_completions_on_confirm: requires_argument,
+                            confirm: (!requires_argument).then(|| {
+                                let command_name = mat.string.clone();
+                                let command_range = command_range.clone();
+                                let editor = editor.clone();
+                                let workspace = workspace.clone();
+                                Arc::new(move |cx: &mut WindowContext| {
+                                    editor
+                                        .update(cx, |editor, cx| {
+                                            editor.run_command(
+                                                command_range.clone(),
+                                                &command_name,
+                                                None,
+                                                workspace.clone(),
+                                                cx,
+                                            );
+                                        })
+                                        .ok();
+                                }) as Arc<_>
+                            }),
+                        })
                    })
-                })
-                .collect())
+                    .collect()
+            })
        })
    }

@@ -172,8 +134,9 @@ impl SlashCommandCompletionProvider {
        &self,
        command_name: &str,
        argument: String,
-        range: Range<Anchor>,
-        cx: &mut AppContext,
+        command_range: Range<Anchor>,
+        argument_range: Range<Anchor>,
+        cx: &mut WindowContext,
    ) -> Task<Result<Vec<project::Completion>>> {
        let new_cancel_flag = Arc::new(AtomicBool::new(false));
        let mut flag = self.cancel_flag.lock();
@@ -181,18 +144,46 @@ impl SlashCommandCompletionProvider {
        *flag = new_cancel_flag.clone();

        if let Some(command) = self.commands.command(command_name) {
-            let completions = command.complete_argument(argument, new_cancel_flag.clone(), cx);
+            let completions = command.complete_argument(
+                argument,
+                new_cancel_flag.clone(),
+                self.workspace.clone(),
+                cx,
+            );
+            let command_name: Arc<str> = command_name.into();
+            let editor = self.editor.clone();
+            let workspace = self.workspace.clone();
            cx.background_executor().spawn(async move {
                Ok(completions
                    .await?
                    .into_iter()
                    .map(|arg| project::Completion {
-                        old_range: range.clone(),
+                        old_range: argument_range.clone(),
                        label: CodeLabel::plain(arg.clone(), None),
                        new_text: arg.clone(),
                        documentation: None,
                        server_id: LanguageServerId(0),
                        lsp_completion: Default::default(),
+                        show_new_completions_on_confirm: false,
+                        confirm: Some(Arc::new({
+                            let command_name = command_name.clone();
+                            let command_range = command_range.clone();
+                            let editor = editor.clone();
+                            let workspace = workspace.clone();
+                            move |cx| {
+                                editor
+                                    .update(cx, |editor, cx| {
+                                        editor.run_command(
+                                            command_range.clone(),
+                                            &command_name,
+                                            Some(&arg),
+                                            workspace.clone(),
+                                            cx,
+                                        );
+                                    })
+                                    .ok();
+                            }
+                        })),
                    })
                    .collect())
            })
@@ -210,25 +201,44 @@ impl CompletionProvider for SlashCommandCompletionProvider {
        buffer_position: Anchor,
        cx: &mut ViewContext<Editor>,
    ) -> Task<Result<Vec<project::Completion>>> {
-        let task = buffer.update(cx, |buffer, cx| {
-            let position = buffer_position.to_point(buffer);
-            let line_start = Point::new(position.row, 0);
-            let mut lines = buffer.text_for_range(line_start..position).lines();
-            let line = lines.next()?;
-            let call = SlashCommandLine::parse(line)?;
+        let Some((name, argument, command_range, argument_range)) =
+            buffer.update(cx, |buffer, _cx| {
+                let position = buffer_position.to_point(buffer);
+                let line_start = Point::new(position.row, 0);
+                let mut lines = buffer.text_for_range(line_start..position).lines();
+                let line = lines.next()?;
+                let call = SlashCommandLine::parse(line)?;

-            let name = &line[call.name.clone()];
-            if let Some(argument) = call.argument {
-                let start = buffer.anchor_after(Point::new(position.row, argument.start as u32));
-                let argument = line[argument.clone()].to_string();
-                Some(self.complete_command_argument(name, argument, start..buffer_position, cx))
-            } else {
-                let start = buffer.anchor_after(Point::new(position.row, call.name.start as u32));
-                Some(self.complete_command_name(name, start..buffer_position, cx))
-            }
-        });
+                let command_range_start = Point::new(position.row, call.name.start as u32 - 1);
+                let command_range_end = Point::new(
+                    position.row,
+                    call.argument.as_ref().map_or(call.name.end, |arg| arg.end) as u32,
+                );
+                let command_range = buffer.anchor_after(command_range_start)
+                    ..buffer.anchor_after(command_range_end);

-        task.unwrap_or_else(|| Task::ready(Ok(Vec::new())))
+                let name = line[call.name.clone()].to_string();
+
+                Some(if let Some(argument) = call.argument {
+                    let start =
+                        buffer.anchor_after(Point::new(position.row, argument.start as u32));
+                    let argument = line[argument.clone()].to_string();
+                    (name, Some(argument), command_range, start..buffer_position)
+                } else {
+                    let start =
+                        buffer.anchor_after(Point::new(position.row, call.name.start as u32));
+                    (name, None, command_range, start..buffer_position)
+                })
+            })
+        else {
+            return Task::ready(Ok(Vec::new()));
+        };
+
+        if let Some(argument) = argument {
+            self.complete_command_argument(&name, argument, command_range, argument_range, cx)
+        } else {
+            self.complete_command_name(&name, command_range, argument_range, cx)
+        }
    }

    fn resolve_completions(
--- a/crates/assistant/src/slash_command/active_command.rs
+++ b/crates/assistant/src/slash_command/active_command.rs
@@ -0,0 +1,104 @@
+use super::{file_command::FilePlaceholder, SlashCommand, SlashCommandOutput};
+use anyhow::{anyhow, Result};
+use assistant_slash_command::SlashCommandOutputSection;
+use editor::Editor;
+use gpui::{AppContext, Task, WeakView};
+use language::LspAdapterDelegate;
+use std::{borrow::Cow, sync::Arc};
+use ui::{IntoElement, WindowContext};
+use workspace::Workspace;
+
+pub(crate) struct ActiveSlashCommand;
+
+impl SlashCommand for ActiveSlashCommand {
+    fn name(&self) -> String {
+        "active".into()
+    }
+
+    fn description(&self) -> String {
+        "insert active tab".into()
+    }
+
+    fn menu_text(&self) -> String {
+        "Insert Active Tab".into()
+    }
+
+    fn complete_argument(
+        &self,
+        _query: String,
+        _cancel: std::sync::Arc<std::sync::atomic::AtomicBool>,
+        _workspace: WeakView<Workspace>,
+        _cx: &mut AppContext,
+    ) -> Task<Result<Vec<String>>> {
+        Task::ready(Err(anyhow!("this command does not require argument")))
+    }
+
+    fn requires_argument(&self) -> bool {
+        false
+    }
+
+    fn run(
+        self: Arc<Self>,
+        _argument: Option<&str>,
+        workspace: WeakView<Workspace>,
+        _delegate: Arc<dyn LspAdapterDelegate>,
+        cx: &mut WindowContext,
+    ) -> Task<Result<SlashCommandOutput>> {
+        let output = workspace.update(cx, |workspace, cx| {
+            let Some(active_item) = workspace.active_item(cx) else {
+                return Task::ready(Err(anyhow!("no active tab")));
+            };
+            let Some(buffer) = active_item
+                .downcast::<Editor>()
+                .and_then(|editor| editor.read(cx).buffer().read(cx).as_singleton())
+            else {
+                return Task::ready(Err(anyhow!("active tab is not an editor")));
+            };
+
+            let snapshot = buffer.read(cx).snapshot();
+            let path = snapshot.resolve_file_path(cx, true);
+            let text = cx.background_executor().spawn({
+                let path = path.clone();
+                async move {
+                    let path = path
+                        .as_ref()
+                        .map(|path| path.to_string_lossy())
+                        .unwrap_or_else(|| Cow::Borrowed("untitled"));
+
+                    let mut output = String::with_capacity(path.len() + snapshot.len() + 9);
+                    output.push_str("```");
+                    output.push_str(&path);
+                    output.push('\n');
+                    for chunk in snapshot.as_rope().chunks() {
+                        output.push_str(chunk);
+                    }
+                    if !output.ends_with('\n') {
+                        output.push('\n');
+                    }
+                    output.push_str("```");
+                    output
+                }
+            });
+            cx.foreground_executor().spawn(async move {
+                let text = text.await;
+                let range = 0..text.len();
+                Ok(SlashCommandOutput {
+                    text,
+                    sections: vec![SlashCommandOutputSection {
+                        range,
+                        render_placeholder: Arc::new(move |id, unfold, _| {
+                            FilePlaceholder {
+                                id,
+                                path: path.clone(),
+                                line_range: None,
+                                unfold,
+                            }
+                            .into_any_element()
+                        }),
+                    }],
+                })
+            })
+        });
+        output.unwrap_or_else(|error| Task::ready(Err(error)))
+    }
+}
--- a/crates/assistant/src/slash_command/current_file_command.rs
+++ b/crates/assistant/src/slash_command/current_file_command.rs
@@ -1,135 +0,0 @@
-use std::{borrow::Cow, cell::Cell, rc::Rc};
-
-use anyhow::{anyhow, Result};
-use collections::HashMap;
-use editor::Editor;
-use futures::channel::oneshot;
-use gpui::{AppContext, Entity, Subscription, Task, WindowHandle};
-use workspace::{Event as WorkspaceEvent, Workspace};
-
-use super::{SlashCommand, SlashCommandCleanup, SlashCommandInvocation};
-
-pub(crate) struct CurrentFileSlashCommand {
-    workspace: WindowHandle<Workspace>,
-}
-
-impl CurrentFileSlashCommand {
-    pub fn new(workspace: WindowHandle<Workspace>) -> Self {
-        Self { workspace }
-    }
-}
-
-impl SlashCommand for CurrentFileSlashCommand {
-    fn name(&self) -> String {
-        "current_file".into()
-    }
-
-    fn description(&self) -> String {
-        "insert the current file".into()
-    }
-
-    fn complete_argument(
-        &self,
-        _query: String,
-        _cancel: std::sync::Arc<std::sync::atomic::AtomicBool>,
-        _cx: &mut AppContext,
-    ) -> Task<Result<Vec<String>>> {
-        Task::ready(Err(anyhow!("this command does not require argument")))
-    }
-
-    fn requires_argument(&self) -> bool {
-        false
-    }
-
-    fn run(&self, _argument: Option<&str>, cx: &mut AppContext) -> SlashCommandInvocation {
-        let (invalidate_tx, invalidate_rx) = oneshot::channel();
-        let invalidate_tx = Rc::new(Cell::new(Some(invalidate_tx)));
-        let mut subscriptions: Vec<Subscription> = Vec::new();
-        let output = self.workspace.update(cx, |workspace, cx| {
-            let mut timestamps_by_entity_id = HashMap::default();
-            for pane in workspace.panes() {
-                let pane = pane.read(cx);
-                for entry in pane.activation_history() {
-                    timestamps_by_entity_id.insert(entry.entity_id, entry.timestamp);
-                }
-            }
-
-            let mut most_recent_buffer = None;
-            for editor in workspace.items_of_type::<Editor>(cx) {
-                let Some(buffer) = editor.read(cx).buffer().read(cx).as_singleton() else {
-                    continue;
-                };
-
-                let timestamp = timestamps_by_entity_id
-                    .get(&editor.entity_id())
-                    .copied()
-                    .unwrap_or_default();
-                if most_recent_buffer
-                    .as_ref()
-                    .map_or(true, |(_, prev_timestamp)| timestamp > *prev_timestamp)
-                {
-                    most_recent_buffer = Some((buffer, timestamp));
-                }
-            }
-
-            subscriptions.push({
-                let workspace_view = cx.view().clone();
-                let invalidate_tx = invalidate_tx.clone();
-                cx.window_context()
-                    .subscribe(&workspace_view, move |_workspace, event, _cx| match event {
-                        WorkspaceEvent::ActiveItemChanged
-                        | WorkspaceEvent::ItemAdded
-                        | WorkspaceEvent::ItemRemoved
-                        | WorkspaceEvent::PaneAdded(_)
-                        | WorkspaceEvent::PaneRemoved => {
-                            if let Some(invalidate_tx) = invalidate_tx.take() {
-                                _ = invalidate_tx.send(());
-                            }
-                        }
-                        _ => {}
-                    })
-            });
-
-            if let Some((buffer, _)) = most_recent_buffer {
-                subscriptions.push({
-                    let invalidate_tx = invalidate_tx.clone();
-                    cx.window_context().observe(&buffer, move |_buffer, _cx| {
-                        if let Some(invalidate_tx) = invalidate_tx.take() {
-                            _ = invalidate_tx.send(());
-                        }
-                    })
-                });
-
-                let snapshot = buffer.read(cx).snapshot();
-                let path = snapshot.resolve_file_path(cx, true);
-                cx.background_executor().spawn(async move {
-                    let path = path
-                        .as_ref()
-                        .map(|path| path.to_string_lossy())
-                        .unwrap_or_else(|| Cow::Borrowed("untitled"));
-
-                    let mut output = String::with_capacity(path.len() + snapshot.len() + 9);
-                    output.push_str("```");
-                    output.push_str(&path);
-                    output.push('\n');
-                    for chunk in snapshot.as_rope().chunks() {
-                        output.push_str(chunk);
-                    }
-                    if !output.ends_with('\n') {
-                        output.push('\n');
-                    }
-                    output.push_str("```");
-                    Ok(output)
-                })
-            } else {
-                Task::ready(Err(anyhow!("no recent buffer found")))
-            }
-        });
-
-        SlashCommandInvocation {
-            output: output.unwrap_or_else(|error| Task::ready(Err(error))),
-            invalidated: invalidate_rx,
-            cleanup: SlashCommandCleanup::new(move || drop(subscriptions)),
-        }
-    }
-}
--- a/crates/assistant/src/slash_command/file_command.rs
+++ b/crates/assistant/src/slash_command/file_command.rs
@@ -1,63 +1,82 @@
-use super::{SlashCommand, SlashCommandCleanup, SlashCommandInvocation};
-use anyhow::Result;
-use futures::channel::oneshot;
+use super::{SlashCommand, SlashCommandOutput};
+use anyhow::{anyhow, Result};
+use assistant_slash_command::SlashCommandOutputSection;
 use fuzzy::PathMatch;
-use gpui::{AppContext, Model, Task};
-use project::{PathMatchCandidateSet, Project};
+use gpui::{AppContext, RenderOnce, SharedString, Task, View, WeakView};
+use language::{LineEnding, LspAdapterDelegate};
+use project::PathMatchCandidateSet;
 use std::{
-    path::Path,
+    ops::Range,
+    path::{Path, PathBuf},
    sync::{atomic::AtomicBool, Arc},
 };
+use ui::{prelude::*, ButtonLike, ElevationIndex};
+use workspace::Workspace;

-pub(crate) struct FileSlashCommand {
-    project: Model<Project>,
-}
+pub(crate) struct FileSlashCommand;

 impl FileSlashCommand {
-    pub fn new(project: Model<Project>) -> Self {
-        Self { project }
-    }
-
    fn search_paths(
        &self,
        query: String,
        cancellation_flag: Arc<AtomicBool>,
+        workspace: &View<Workspace>,
        cx: &mut AppContext,
    ) -> Task<Vec<PathMatch>> {
-        let worktrees = self
-            .project
-            .read(cx)
-            .visible_worktrees(cx)
-            .collect::<Vec<_>>();
-        let include_root_name = worktrees.len() > 1;
-        let candidate_sets = worktrees
-            .into_iter()
-            .map(|worktree| {
-                let worktree = worktree.read(cx);
-                PathMatchCandidateSet {
-                    snapshot: worktree.snapshot(),
-                    include_ignored: worktree
-                        .root_entry()
-                        .map_or(false, |entry| entry.is_ignored),
-                    include_root_name,
-                    directories_only: false,
-                }
-            })
-            .collect::<Vec<_>>();
-
-        let executor = cx.background_executor().clone();
-        cx.foreground_executor().spawn(async move {
-            fuzzy::match_path_sets(
-                candidate_sets.as_slice(),
-                query.as_str(),
-                None,
-                false,
-                100,
-                &cancellation_flag,
-                executor,
+        if query.is_empty() {
+            let workspace = workspace.read(cx);
+            let project = workspace.project().read(cx);
+            let entries = workspace.recent_navigation_history(Some(10), cx);
+            let path_prefix: Arc<str> = "".into();
+            Task::ready(
+                entries
+                    .into_iter()
+                    .filter_map(|(entry, _)| {
+                        let worktree = project.worktree_for_id(entry.worktree_id, cx)?;
+                        let mut full_path = PathBuf::from(worktree.read(cx).root_name());
+                        full_path.push(&entry.path);
+                        Some(PathMatch {
+                            score: 0.,
+                            positions: Vec::new(),
+                            worktree_id: entry.worktree_id.to_usize(),
+                            path: full_path.into(),
+                            path_prefix: path_prefix.clone(),
+                            distance_to_relative_ancestor: 0,
+                        })
+                    })
+                    .collect(),
            )
-            .await
-        })
+        } else {
+            let worktrees = workspace.read(cx).visible_worktrees(cx).collect::<Vec<_>>();
+            let candidate_sets = worktrees
+                .into_iter()
+                .map(|worktree| {
+                    let worktree = worktree.read(cx);
+                    PathMatchCandidateSet {
+                        snapshot: worktree.snapshot(),
+                        include_ignored: worktree
+                            .root_entry()
+                            .map_or(false, |entry| entry.is_ignored),
+                        include_root_name: true,
+                        directories_only: false,
+                    }
+                })
+                .collect::<Vec<_>>();
+
+            let executor = cx.background_executor().clone();
+            cx.foreground_executor().spawn(async move {
+                fuzzy::match_path_sets(
+                    candidate_sets.as_slice(),
+                    query.as_str(),
+                    None,
+                    false,
+                    100,
+                    &cancellation_flag,
+                    executor,
+                )
+                .await
+            })
+        }
    }
 }

@@ -67,7 +86,11 @@ impl SlashCommand for FileSlashCommand {
    }

    fn description(&self) -> String {
-        "insert an entire file".into()
+        "insert file".into()
+    }
+
+    fn menu_text(&self) -> String {
+        "Insert File".into()
    }

    fn requires_argument(&self) -> bool {
@@ -78,9 +101,14 @@ impl SlashCommand for FileSlashCommand {
        &self,
        query: String,
        cancellation_flag: Arc<AtomicBool>,
+        workspace: WeakView<Workspace>,
        cx: &mut AppContext,
-    ) -> gpui::Task<Result<Vec<String>>> {
-        let paths = self.search_paths(query, cancellation_flag, cx);
+    ) -> Task<Result<Vec<String>>> {
+        let Some(workspace) = workspace.upgrade() else {
+            return Task::ready(Err(anyhow!("workspace was dropped")));
+        };
+
+        let paths = self.search_paths(query, cancellation_flag, &workspace, cx);
        cx.background_executor().spawn(async move {
            Ok(paths
                .await
@@ -96,35 +124,41 @@ impl SlashCommand for FileSlashCommand {
        })
    }

-    fn run(&self, argument: Option<&str>, cx: &mut AppContext) -> SlashCommandInvocation {
-        let project = self.project.read(cx);
-        let Some(argument) = argument else {
-            return SlashCommandInvocation {
-                output: Task::ready(Err(anyhow::anyhow!("missing path"))),
-                invalidated: oneshot::channel().1,
-                cleanup: SlashCommandCleanup::default(),
-            };
+    fn run(
+        self: Arc<Self>,
+        argument: Option<&str>,
+        workspace: WeakView<Workspace>,
+        _delegate: Arc<dyn LspAdapterDelegate>,
+        cx: &mut WindowContext,
+    ) -> Task<Result<SlashCommandOutput>> {
+        let Some(workspace) = workspace.upgrade() else {
+            return Task::ready(Err(anyhow!("workspace was dropped")));
        };

-        let path = Path::new(argument);
-        let abs_path = project.worktrees().find_map(|worktree| {
-            let worktree = worktree.read(cx);
-            worktree.entry_for_path(path)?;
-            worktree.absolutize(path).ok()
-        });
+        let Some(argument) = argument else {
+            return Task::ready(Err(anyhow!("missing path")));
+        };
+
+        let path = PathBuf::from(argument);
+        let abs_path = workspace
+            .read(cx)
+            .visible_worktrees(cx)
+            .find_map(|worktree| {
+                let worktree = worktree.read(cx);
+                let worktree_root_path = Path::new(worktree.root_name());
+                let relative_path = path.strip_prefix(worktree_root_path).ok()?;
+                worktree.absolutize(&relative_path).ok()
+            });

        let Some(abs_path) = abs_path else {
-            return SlashCommandInvocation {
-                output: Task::ready(Err(anyhow::anyhow!("missing path"))),
-                invalidated: oneshot::channel().1,
-                cleanup: SlashCommandCleanup::default(),
-            };
+            return Task::ready(Err(anyhow!("missing path")));
        };

-        let fs = project.fs().clone();
+        let fs = workspace.read(cx).app_state().fs.clone();
        let argument = argument.to_string();
-        let output = cx.background_executor().spawn(async move {
-            let content = fs.load(&abs_path).await?;
+        let text = cx.background_executor().spawn(async move {
+            let mut content = fs.load(&abs_path).await?;
+            LineEnding::normalize(&mut content);
            let mut output = String::with_capacity(argument.len() + content.len() + 9);
            output.push_str("```");
            output.push_str(&argument);
@@ -134,12 +168,58 @@ impl SlashCommand for FileSlashCommand {
                output.push('\n');
            }
            output.push_str("```");
-            Ok(output)
+            anyhow::Ok(output)
        });
-        SlashCommandInvocation {
-            output,
-            invalidated: oneshot::channel().1,
-            cleanup: SlashCommandCleanup::default(),
-        }
+        cx.foreground_executor().spawn(async move {
+            let text = text.await?;
+            let range = 0..text.len();
+            Ok(SlashCommandOutput {
+                text,
+                sections: vec![SlashCommandOutputSection {
+                    range,
+                    render_placeholder: Arc::new(move |id, unfold, _cx| {
+                        FilePlaceholder {
+                            path: Some(path.clone()),
+                            line_range: None,
+                            id,
+                            unfold,
+                        }
+                        .into_any_element()
+                    }),
+                }],
+            })
+        })
+    }
+}
+
+#[derive(IntoElement)]
+pub struct FilePlaceholder {
+    pub path: Option<PathBuf>,
+    pub line_range: Option<Range<u32>>,
+    pub id: ElementId,
+    pub unfold: Arc<dyn Fn(&mut WindowContext)>,
+}
+
+impl RenderOnce for FilePlaceholder {
+    fn render(self, _cx: &mut WindowContext) -> impl IntoElement {
+        let unfold = self.unfold;
+        let title = if let Some(path) = self.path.as_ref() {
+            SharedString::from(path.to_string_lossy().to_string())
+        } else {
+            SharedString::from("untitled")
+        };
+
+        ButtonLike::new(self.id)
+            .style(ButtonStyle::Filled)
+            .layer(ElevationIndex::ElevatedSurface)
+            .child(Icon::new(IconName::File))
+            .child(Label::new(title))
+            .when_some(self.line_range, |button, line_range| {
+                button.child(Label::new(":")).child(Label::new(format!(
+                    "{}-{}",
+                    line_range.start, line_range.end
+                )))
+            })
+            .on_click(move |_, cx| unfold(cx))
    }
 }
--- a/crates/assistant/src/slash_command/project_command.rs
+++ b/crates/assistant/src/slash_command/project_command.rs
@@ -0,0 +1,156 @@
+use super::{SlashCommand, SlashCommandOutput};
+use anyhow::{anyhow, Context, Result};
+use assistant_slash_command::SlashCommandOutputSection;
+use fs::Fs;
+use gpui::{AppContext, Model, Task, WeakView};
+use language::LspAdapterDelegate;
+use project::{Project, ProjectPath};
+use std::{
+    fmt::Write,
+    path::Path,
+    sync::{atomic::AtomicBool, Arc},
+};
+use ui::{prelude::*, ButtonLike, ElevationIndex};
+use workspace::Workspace;
+
+pub(crate) struct ProjectSlashCommand;
+
+impl ProjectSlashCommand {
+    async fn build_message(fs: Arc<dyn Fs>, path_to_cargo_toml: &Path) -> Result<String> {
+        let buffer = fs.load(path_to_cargo_toml).await?;
+        let cargo_toml: cargo_toml::Manifest = toml::from_str(&buffer)?;
+
+        let mut message = String::new();
+        writeln!(message, "You are in a Rust project.")?;
+
+        if let Some(workspace) = cargo_toml.workspace {
+            writeln!(
+                message,
+                "The project is a Cargo workspace with the following members:"
+            )?;
+            for member in workspace.members {
+                writeln!(message, "- {member}")?;
+            }
+
+            if !workspace.default_members.is_empty() {
+                writeln!(message, "The default members are:")?;
+                for member in workspace.default_members {
+                    writeln!(message, "- {member}")?;
+                }
+            }
+
+            if !workspace.dependencies.is_empty() {
+                writeln!(
+                    message,
+                    "The following workspace dependencies are installed:"
+                )?;
+                for dependency in workspace.dependencies.keys() {
+                    writeln!(message, "- {dependency}")?;
+                }
+            }
+        } else if let Some(package) = cargo_toml.package {
+            writeln!(
+                message,
+                "The project name is \"{name}\".",
+                name = package.name
+            )?;
+
+            let description = package
+                .description
+                .as_ref()
+                .and_then(|description| description.get().ok().cloned());
+            if let Some(description) = description.as_ref() {
+                writeln!(message, "It describes itself as \"{description}\".")?;
+            }
+
+            if !cargo_toml.dependencies.is_empty() {
+                writeln!(message, "The following dependencies are installed:")?;
+                for dependency in cargo_toml.dependencies.keys() {
+                    writeln!(message, "- {dependency}")?;
+                }
+            }
+        }
+
+        Ok(message)
+    }
+
+    fn path_to_cargo_toml(project: Model<Project>, cx: &mut AppContext) -> Option<Arc<Path>> {
+        let worktree = project.read(cx).worktrees().next()?;
+        let worktree = worktree.read(cx);
+        let entry = worktree.entry_for_path("Cargo.toml")?;
+        let path = ProjectPath {
+            worktree_id: worktree.id(),
+            path: entry.path.clone(),
+        };
+        Some(Arc::from(
+            project.read(cx).absolute_path(&path, cx)?.as_path(),
+        ))
+    }
+}
+
+impl SlashCommand for ProjectSlashCommand {
+    fn name(&self) -> String {
+        "project".into()
+    }
+
+    fn description(&self) -> String {
+        "insert project metadata".into()
+    }
+
+    fn menu_text(&self) -> String {
+        "Insert Project Metadata".into()
+    }
+
+    fn complete_argument(
+        &self,
+        _query: String,
+        _cancel: Arc<AtomicBool>,
+        _workspace: WeakView<Workspace>,
+        _cx: &mut AppContext,
+    ) -> Task<Result<Vec<String>>> {
+        Task::ready(Err(anyhow!("this command does not require argument")))
+    }
+
+    fn requires_argument(&self) -> bool {
+        false
+    }
+
+    fn run(
+        self: Arc<Self>,
+        _argument: Option<&str>,
+        workspace: WeakView<Workspace>,
+        _delegate: Arc<dyn LspAdapterDelegate>,
+        cx: &mut WindowContext,
+    ) -> Task<Result<SlashCommandOutput>> {
+        let output = workspace.update(cx, |workspace, cx| {
+            let project = workspace.project().clone();
+            let fs = workspace.project().read(cx).fs().clone();
+            let path = Self::path_to_cargo_toml(project, cx);
+            let output = cx.background_executor().spawn(async move {
+                let path = path.with_context(|| "Cargo.toml not found")?;
+                Self::build_message(fs, &path).await
+            });
+
+            cx.foreground_executor().spawn(async move {
+                let text = output.await?;
+                let range = 0..text.len();
+                Ok(SlashCommandOutput {
+                    text,
+                    sections: vec![SlashCommandOutputSection {
+                        range,
+                        render_placeholder: Arc::new(move |id, unfold, _cx| {
+                            ButtonLike::new(id)
+                                .style(ButtonStyle::Filled)
+                                .layer(ElevationIndex::ElevatedSurface)
+                                .child(Icon::new(IconName::FileTree))
+                                .child(Label::new("Project"))
+                                .on_click(move |_, cx| unfold(cx))
+                                .into_any_element()
+                        }),
+                    }],
+                })
+            })
+        });
+        output.unwrap_or_else(|error| Task::ready(Err(error)))
+    }
+}
--- a/crates/assistant/src/slash_command/prompt_command.rs
+++ b/crates/assistant/src/slash_command/prompt_command.rs
@@ -1,10 +1,13 @@
-use super::{SlashCommand, SlashCommandCleanup, SlashCommandInvocation};
-use crate::prompts::prompt_library::PromptLibrary;
+use super::{SlashCommand, SlashCommandOutput};
+use crate::prompts::PromptLibrary;
 use anyhow::{anyhow, Context, Result};
-use futures::channel::oneshot;
+use assistant_slash_command::SlashCommandOutputSection;
 use fuzzy::StringMatchCandidate;
-use gpui::{AppContext, Task};
+use gpui::{AppContext, Task, WeakView};
+use language::LspAdapterDelegate;
 use std::sync::{atomic::AtomicBool, Arc};
+use ui::{prelude::*, ButtonLike, ElevationIndex};
+use workspace::Workspace;

 pub(crate) struct PromptSlashCommand {
    library: Arc<PromptLibrary>,
@@ -22,7 +25,11 @@ impl SlashCommand for PromptSlashCommand {
    }

    fn description(&self) -> String {
-        "insert a prompt from the library".into()
+        "insert prompt from library".into()
+    }
+
+    fn menu_text(&self) -> String {
+        "Insert Prompt from Library".into()
    }

    fn requires_argument(&self) -> bool {
@@ -33,6 +40,7 @@ impl SlashCommand for PromptSlashCommand {
        &self,
        query: String,
        cancellation_flag: Arc<AtomicBool>,
+        _workspace: WeakView<Workspace>,
        cx: &mut AppContext,
    ) -> Task<Result<Vec<String>>> {
        let library = self.library.clone();
@@ -42,12 +50,7 @@ impl SlashCommand for PromptSlashCommand {
                .prompts()
                .into_iter()
                .enumerate()
-                .filter_map(|(ix, prompt)| {
-                    prompt
-                        .1
-                        .title()
-                        .map(|title| StringMatchCandidate::new(ix, title.into()))
-                })
+                .map(|(ix, prompt)| StringMatchCandidate::new(ix, prompt.1.title().to_string()))
                .collect::<Vec<_>>();
            let matches = fuzzy::match_strings(
                &candidates,
@@ -65,31 +68,50 @@ impl SlashCommand for PromptSlashCommand {
        })
    }

-    fn run(&self, title: Option<&str>, cx: &mut AppContext) -> SlashCommandInvocation {
+    fn run(
+        self: Arc<Self>,
+        title: Option<&str>,
+        _workspace: WeakView<Workspace>,
+        _delegate: Arc<dyn LspAdapterDelegate>,
+        cx: &mut WindowContext,
+    ) -> Task<Result<SlashCommandOutput>> {
        let Some(title) = title else {
-            return SlashCommandInvocation {
-                output: Task::ready(Err(anyhow!("missing prompt name"))),
-                invalidated: oneshot::channel().1,
-                cleanup: SlashCommandCleanup::default(),
-            };
+            return Task::ready(Err(anyhow!("missing prompt name")));
        };

        let library = self.library.clone();
-        let title = title.to_string();
-        let output = cx.background_executor().spawn(async move {
-            let prompt = library
-                .prompts()
-                .into_iter()
-                .filter_map(|prompt| prompt.1.title().map(|title| (title, prompt)))
-                .find(|(t, _)| t == &title)
-                .with_context(|| format!("no prompt found with title {:?}", title))?
-                .1;
-            Ok(prompt.1.content().to_owned())
+        let title = SharedString::from(title.to_string());
+        let prompt = cx.background_executor().spawn({
+            let title = title.clone();
+            async move {
+                let prompt = library
+                    .prompts()
+                    .into_iter()
+                    .map(|prompt| (prompt.1.title(), prompt))
+                    .find(|(t, _)| t == &title)
+                    .with_context(|| format!("no prompt found with title {:?}", title))?
+                    .1;
+                anyhow::Ok(prompt.1.body())
+            }
        });
-        SlashCommandInvocation {
-            output,
-            invalidated: oneshot::channel().1,
-            cleanup: SlashCommandCleanup::default(),
-        }
+        cx.foreground_executor().spawn(async move {
+            let prompt = prompt.await?;
+            let range = 0..prompt.len();
+            Ok(SlashCommandOutput {
+                text: prompt,
+                sections: vec![SlashCommandOutputSection {
+                    range,
+                    render_placeholder: Arc::new(move |id, unfold, _cx| {
+                        ButtonLike::new(id)
+                            .style(ButtonStyle::Filled)
+                            .layer(ElevationIndex::ElevatedSurface)
+                            .child(Icon::new(IconName::Library))
+                            .child(Label::new(title.clone()))
+                            .on_click(move |_, cx| unfold(cx))
+                            .into_any_element()
+                    }),
+                }],
+            })
+        })
    }
 }
--- a/crates/assistant/src/slash_command/rustdoc_command.rs
+++ b/crates/assistant/src/slash_command/rustdoc_command.rs
@@ -0,0 +1,137 @@
+use std::sync::atomic::AtomicBool;
+use std::sync::Arc;
+
+use anyhow::{anyhow, bail, Context, Result};
+use assistant_slash_command::{SlashCommand, SlashCommandOutput, SlashCommandOutputSection};
+use futures::AsyncReadExt;
+use gpui::{AppContext, Task, WeakView};
+use http::{AsyncBody, HttpClient, HttpClientWithUrl};
+use language::LspAdapterDelegate;
+use rustdoc_to_markdown::convert_rustdoc_to_markdown;
+use ui::{prelude::*, ButtonLike, ElevationIndex};
+use workspace::Workspace;
+
+pub(crate) struct RustdocSlashCommand;
+
+impl RustdocSlashCommand {
+    async fn build_message(
+        http_client: Arc<HttpClientWithUrl>,
+        crate_name: String,
+    ) -> Result<String> {
+        let mut response = http_client
+            .get(
+                &format!("https://docs.rs/{crate_name}"),
+                AsyncBody::default(),
+                true,
+            )
+            .await?;
+
+        let mut body = Vec::new();
+        response
+            .body_mut()
+            .read_to_end(&mut body)
+            .await
+            .context("error reading docs.rs response body")?;
+
+        if response.status().is_client_error() {
+            let text = String::from_utf8_lossy(body.as_slice());
+            bail!(
+                "status error {}, response: {text:?}",
+                response.status().as_u16()
+            );
+        }
+
+        convert_rustdoc_to_markdown(&body[..])
+    }
+}
+
+impl SlashCommand for RustdocSlashCommand {
+    fn name(&self) -> String {
+        "rustdoc".into()
+    }
+
+    fn description(&self) -> String {
+        "insert Rust docs".into()
+    }
+
+    fn menu_text(&self) -> String {
+        "Insert Rust Documentation".into()
+    }
+
+    fn requires_argument(&self) -> bool {
+        true
+    }
+
+    fn complete_argument(
+        &self,
+        _query: String,
+        _cancel: Arc<AtomicBool>,
+        _workspace: WeakView<Workspace>,
+        _cx: &mut AppContext,
+    ) -> Task<Result<Vec<String>>> {
+        Task::ready(Ok(Vec::new()))
+    }
+
+    fn run(
+        self: Arc<Self>,
+        argument: Option<&str>,
+        workspace: WeakView<Workspace>,
+        _delegate: Arc<dyn LspAdapterDelegate>,
+        cx: &mut WindowContext,
+    ) -> Task<Result<SlashCommandOutput>> {
+        let Some(argument) = argument else {
+            return Task::ready(Err(anyhow!("missing crate name")));
+        };
+        let Some(workspace) = workspace.upgrade() else {
+            return Task::ready(Err(anyhow!("workspace was dropped")));
+        };
+
+        let http_client = workspace.read(cx).client().http_client();
+        let crate_name = argument.to_string();
+
+        let text = cx.background_executor().spawn({
+            let crate_name = crate_name.clone();
+            async move { Self::build_message(http_client, crate_name).await }
+        });
+
+        let crate_name = SharedString::from(crate_name);
+        cx.foreground_executor().spawn(async move {
+            let text = text.await?;
+            let range = 0..text.len();
+            Ok(SlashCommandOutput {
+                text,
+                sections: vec![SlashCommandOutputSection {
+                    range,
+                    render_placeholder: Arc::new(move |id, unfold, _cx| {
+                        RustdocPlaceholder {
+                            id,
+                            unfold,
+                            crate_name: crate_name.clone(),
+                        }
+                        .into_any_element()
+                    }),
+                }],
+            })
+        })
+    }
+}
+
+#[derive(IntoElement)]
+struct RustdocPlaceholder {
+    pub id: ElementId,
+    pub unfold: Arc<dyn Fn(&mut WindowContext)>,
+    pub crate_name: SharedString,
+}
+
+impl RenderOnce for RustdocPlaceholder {
+    fn render(self, _cx: &mut WindowContext) -> impl IntoElement {
+        let unfold = self.unfold;
+
+        ButtonLike::new(self.id)
+            .style(ButtonStyle::Filled)
+            .layer(ElevationIndex::ElevatedSurface)
+            .child(Icon::new(IconName::FileRust))
+            .child(Label::new(format!("rustdoc: {}", self.crate_name)))
+            .on_click(move |_, cx| unfold(cx))
+    }
+}
--- a/crates/assistant/src/slash_command/search_command.rs
+++ b/crates/assistant/src/slash_command/search_command.rs
@@ -0,0 +1,191 @@
+use super::{file_command::FilePlaceholder, SlashCommand, SlashCommandOutput};
+use anyhow::Result;
+use assistant_slash_command::SlashCommandOutputSection;
+use gpui::{AppContext, Task, WeakView};
+use language::{CodeLabel, HighlightId, LineEnding, LspAdapterDelegate};
+use semantic_index::SemanticIndex;
+use std::{
+    fmt::Write,
+    path::PathBuf,
+    sync::{atomic::AtomicBool, Arc},
+};
+use ui::{prelude::*, ButtonLike, ElevationIndex, Icon, IconName};
+use util::ResultExt;
+use workspace::Workspace;
+
+pub(crate) struct SearchSlashCommand;
+
+impl SlashCommand for SearchSlashCommand {
+    fn name(&self) -> String {
+        "search".into()
+    }
+
+    fn label(&self, cx: &AppContext) -> CodeLabel {
+        let mut label = CodeLabel::default();
+        label.push_str("search ", None);
+        label.push_str(
+            "--n",
+            cx.theme().syntax().highlight_id("comment").map(HighlightId),
+        );
+        label.filter_range = 0.."search".len();
+        label
+    }
+
+    fn description(&self) -> String {
+        "semantic search".into()
+    }
+
+    fn menu_text(&self) -> String {
+        "Semantic Search".into()
+    }
+
+    fn requires_argument(&self) -> bool {
+        true
+    }
+
+    fn complete_argument(
+        &self,
+        _query: String,
+        _cancel: Arc<AtomicBool>,
+        _workspace: WeakView<Workspace>,
+        _cx: &mut AppContext,
+    ) -> Task<Result<Vec<String>>> {
+        Task::ready(Ok(Vec::new()))
+    }
+
+    fn run(
+        self: Arc<Self>,
+        argument: Option<&str>,
+        workspace: WeakView<Workspace>,
+        _delegate: Arc<dyn LspAdapterDelegate>,
+        cx: &mut WindowContext,
+    ) -> Task<Result<SlashCommandOutput>> {
+        let Some(workspace) = workspace.upgrade() else {
+            return Task::ready(Err(anyhow::anyhow!("workspace was dropped")));
+        };
+        let Some(argument) = argument else {
+            return Task::ready(Err(anyhow::anyhow!("missing search query")));
+        };
+
+        let mut limit = None;
+        let mut query = String::new();
+        for part in argument.split(' ') {
+            if let Some(parameter) = part.strip_prefix("--") {
+                if let Ok(count) = parameter.parse::<usize>() {
+                    limit = Some(count);
+                    continue;
+                }
+            }
+
+            query.push_str(part);
+            query.push(' ');
+        }
+        query.pop();
+
+        if query.is_empty() {
+            return Task::ready(Err(anyhow::anyhow!("missing search query")));
+        }
+
+        let project = workspace.read(cx).project().clone();
+        let fs = project.read(cx).fs().clone();
+        let project_index =
+            cx.update_global(|index: &mut SemanticIndex, cx| index.project_index(project, cx));
+
+        cx.spawn(|cx| async move {
+            let results = project_index
+                .read_with(&cx, |project_index, cx| {
+                    project_index.search(query.clone(), limit.unwrap_or(5), cx)
+                })?
+                .await?;
+
+            let mut loaded_results = Vec::new();
+            for result in results {
+                let (full_path, file_content) =
+                    result.worktree.read_with(&cx, |worktree, _cx| {
+                        let entry_abs_path = worktree.abs_path().join(&result.path);
+                        let mut entry_full_path = PathBuf::from(worktree.root_name());
+                        entry_full_path.push(&result.path);
+                        let file_content = async {
+                            let entry_abs_path = entry_abs_path;
+                            fs.load(&entry_abs_path).await
+                        };
+                        (entry_full_path, file_content)
+                    })?;
+                if let Some(file_content) = file_content.await.log_err() {
+                    loaded_results.push((result, full_path, file_content));
+                }
+            }
+
+            let output = cx
+                .background_executor()
+                .spawn(async move {
+                    let mut text = format!("Search results for {query}:\n");
+                    let mut sections = Vec::new();
+                    for (result, full_path, file_content) in loaded_results {
+                        let range_start = result.range.start.min(file_content.len());
+                        let range_end = result.range.end.min(file_content.len());
+
+                        let start_line =
+                            file_content[0..range_start].matches('\n').count() as u32 + 1;
+                        let end_line = file_content[0..range_end].matches('\n').count() as u32 + 1;
+                        let start_line_byte_offset = file_content[0..range_start]
+                            .rfind('\n')
+                            .map(|pos| pos + 1)
+                            .unwrap_or_default();
+                        let end_line_byte_offset = file_content[range_end..]
+                            .find('\n')
+                            .map(|pos| range_end + pos)
+                            .unwrap_or_else(|| file_content.len());
+
+                        let section_start_ix = text.len();
+                        writeln!(
+                            text,
+                            "```{}:{}-{}",
+                            result.path.display(),
+                            start_line,
+                            end_line,
+                        )
+                        .unwrap();
+                        let mut excerpt =
+                            file_content[start_line_byte_offset..end_line_byte_offset].to_string();
+                        LineEnding::normalize(&mut excerpt);
+                        text.push_str(&excerpt);
+                        writeln!(text, "\n```\n").unwrap();
+                        let section_end_ix = text.len() - 1;
+
+                        sections.push(SlashCommandOutputSection {
+                            range: section_start_ix..section_end_ix,
+                            render_placeholder: Arc::new(move |id, unfold, _| {
+                                FilePlaceholder {
+                                    id,
+                                    path: Some(full_path.clone()),
+                                    line_range: Some(start_line..end_line),
+                                    unfold,
+                                }
+                                .into_any_element()
+                            }),
+                        });
+                    }
+
+                    let query = SharedString::from(query);
+                    sections.push(SlashCommandOutputSection {
+                        range: 0..text.len(),
+                        render_placeholder: Arc::new(move |id, unfold, _cx| {
+                            ButtonLike::new(id)
+                                .style(ButtonStyle::Filled)
+                                .layer(ElevationIndex::ElevatedSurface)
+                                .child(Icon::new(IconName::MagnifyingGlass))
+                                .child(Label::new(query.clone()))
+                                .on_click(move |_, cx| unfold(cx))
+                                .into_any_element()
+                        }),
+                    });
+
+                    SlashCommandOutput { text, sections }
+                })
+                .await;
+
+            Ok(output)
+        })
+    }
+}
--- a/crates/assistant/src/slash_command/tabs_command.rs
+++ b/crates/assistant/src/slash_command/tabs_command.rs
@@ -0,0 +1,117 @@
+use super::{file_command::FilePlaceholder, SlashCommand, SlashCommandOutput};
+use anyhow::{anyhow, Result};
+use assistant_slash_command::SlashCommandOutputSection;
+use collections::HashMap;
+use editor::Editor;
+use gpui::{AppContext, Entity, Task, WeakView};
+use language::LspAdapterDelegate;
+use std::{fmt::Write, path::Path, sync::Arc};
+use ui::{IntoElement, WindowContext};
+use workspace::Workspace;
+
+pub(crate) struct TabsSlashCommand;
+
+impl SlashCommand for TabsSlashCommand {
+    fn name(&self) -> String {
+        "tabs".into()
+    }
+
+    fn description(&self) -> String {
+        "insert open tabs".into()
+    }
+
+    fn menu_text(&self) -> String {
+        "Insert Open Tabs".into()
+    }
+
+    fn requires_argument(&self) -> bool {
+        false
+    }
+
+    fn complete_argument(
+        &self,
+        _query: String,
+        _cancel: Arc<std::sync::atomic::AtomicBool>,
+        _workspace: WeakView<Workspace>,
+        _cx: &mut AppContext,
+    ) -> Task<Result<Vec<String>>> {
+        Task::ready(Err(anyhow!("this command does not require argument")))
+    }
+
+    fn run(
+        self: Arc<Self>,
+        _argument: Option<&str>,
+        workspace: WeakView<Workspace>,
+        _delegate: Arc<dyn LspAdapterDelegate>,
+        cx: &mut WindowContext,
+    ) -> Task<Result<SlashCommandOutput>> {
+        let open_buffers = workspace.update(cx, |workspace, cx| {
+            let mut timestamps_by_entity_id = HashMap::default();
+            let mut open_buffers = Vec::new();
+
+            for pane in workspace.panes() {
+                let pane = pane.read(cx);
+                for entry in pane.activation_history() {
+                    timestamps_by_entity_id.insert(entry.entity_id, entry.timestamp);
+                }
+            }
+
+            for editor in workspace.items_of_type::<Editor>(cx) {
+                if let Some(buffer) = editor.read(cx).buffer().read(cx).as_singleton() {
+                    if let Some(timestamp) = timestamps_by_entity_id.get(&editor.entity_id()) {
+                        let snapshot = buffer.read(cx).snapshot();
+                        let full_path = snapshot.resolve_file_path(cx, true);
+                        open_buffers.push((full_path, snapshot, *timestamp));
+                    }
+                }
+            }
+
+            open_buffers
+        });
+
+        match open_buffers {
+            Ok(mut open_buffers) => cx.background_executor().spawn(async move {
+                open_buffers.sort_by_key(|(_, _, timestamp)| *timestamp);
+
+                let mut sections = Vec::new();
+                let mut text = String::new();
+                for (full_path, buffer, _) in open_buffers {
+                    let section_start_ix = text.len();
+                    writeln!(
+                        text,
+                        "```{}\n",
+                        full_path
+                            .as_deref()
+                            .unwrap_or(Path::new("untitled"))
+                            .display()
+                    )
+                    .unwrap();
+                    for chunk in buffer.as_rope().chunks() {
+                        text.push_str(chunk);
+                    }
+                    if !text.ends_with('\n') {
+                        text.push('\n');
+                    }
+                    writeln!(text, "```\n").unwrap();
+                    let section_end_ix = text.len() - 1;
+
+                    sections.push(SlashCommandOutputSection {
+                        range: section_start_ix..section_end_ix,
+                        render_placeholder: Arc::new(move |id, unfold, _| {
+                            FilePlaceholder {
+                                id,
+                                path: full_path.clone(),
+                                line_range: None,
+                                unfold,
+                            }
+                            .into_any_element()
+                        }),
+                    });
+                }
+
+                Ok(SlashCommandOutput { text, sections })
+            }),
+            Err(error) => Task::ready(Err(error)),
+        }
+    }
+}
--- a/crates/assistant2/Cargo.toml
+++ b/crates/assistant2/Cargo.toml
@@ -1,66 +0,0 @@
-[package]
-name = "assistant2"
-version = "0.1.0"
-edition = "2021"
-publish = false
-license = "GPL-3.0-or-later"
-
-[lints]
-workspace = true
-
-[lib]
-path = "src/assistant2.rs"
-
-[features]
-default = []
-stories = ["dep:story"]
-
-[dependencies]
-anyhow.workspace = true
-assistant_tooling.workspace = true
-client.workspace = true
-chrono.workspace = true
-collections.workspace = true
-editor.workspace = true
-feature_flags.workspace = true
-file_icons.workspace = true
-fs.workspace = true
-futures.workspace = true
-fuzzy.workspace = true
-gpui.workspace = true
-language.workspace = true
-log.workspace = true
-markdown.workspace = true
-open_ai.workspace = true
-picker.workspace = true
-project.workspace = true
-regex.workspace = true
-schemars.workspace = true
-semantic_index.workspace = true
-serde.workspace = true
-serde_json.workspace = true
-settings.workspace = true
-story = { workspace = true, optional = true }
-theme.workspace = true
-ui.workspace = true
-util.workspace = true
-unindent.workspace = true
-workspace.workspace = true
-
-[dev-dependencies]
-assets.workspace = true
-editor = { workspace = true, features = ["test-support"] }
-env_logger.workspace = true
-gpui = { workspace = true, features = ["test-support"] }
-language = { workspace = true, features = ["test-support"] }
-languages.workspace = true
-markdown = { workspace = true, features = ["test-support"] }
-node_runtime.workspace = true
-project = { workspace = true, features = ["test-support"] }
-rand.workspace = true
-release_channel.workspace = true
-settings = { workspace = true, features = ["test-support"] }
-theme = { workspace = true, features = ["test-support"] }
-util = { workspace = true, features = ["test-support"] }
-http = { workspace = true, features = ["test-support"] }
-workspace = { workspace = true, features = ["test-support"] }
--- a/crates/assistant2/evals/list-of-into-element.md
+++ b/crates/assistant2/evals/list-of-into-element.md
@@ -1 +0,0 @@
-> Give me a comprehensive list of all the elements defined in my project using the following query: `impl Element for {}, impl<T: 'static> Element for {}, impl IntoElement for {})`
--- a/crates/assistant2/evals/new-gpui-element.md
+++ b/crates/assistant2/evals/new-gpui-element.md
@@ -1 +0,0 @@
-> What are all the places we define a new gpui element in my project? (impl Element for {})
--- a/crates/assistant2/evals/settings-file.md
+++ b/crates/assistant2/evals/settings-file.md
@@ -1,3 +0,0 @@
-Use tools frequently, especially when referring to files and code. The Zed editor we're working in can show me files directly when you add annotations. Be concise in chat, bountiful in tool calling.
-
-Teach me everything you can about how zed loads settings. Please annotate the code inline.
--- a/crates/assistant2/evals/what-is-the-assistant2-crate.md
+++ b/crates/assistant2/evals/what-is-the-assistant2-crate.md
@@ -1 +0,0 @@
-> Can you tell me what the assistant2 crate is for in my project? Tell me in 100 words or less.
--- a/crates/assistant2/src/assistant2.rs
+++ b/crates/assistant2/src/assistant2.rs
--- a/crates/assistant2/src/assistant_settings.rs
+++ b/crates/assistant2/src/assistant_settings.rs
@@ -1,26 +0,0 @@
-use schemars::JsonSchema;
-use serde::{Deserialize, Serialize};
-use settings::{Settings, SettingsSources};
-
-#[derive(Default, Debug, Deserialize, Serialize, Clone)]
-pub struct AssistantSettings {
-    pub enabled: bool,
-}
-
-#[derive(Default, Debug, Deserialize, Serialize, Clone, JsonSchema)]
-pub struct AssistantSettingsContent {
-    pub enabled: Option<bool>,
-}
-
-impl Settings for AssistantSettings {
-    const KEY: Option<&'static str> = Some("assistant_v2");
-
-    type FileContent = AssistantSettingsContent;
-
-    fn load(
-        sources: SettingsSources<Self::FileContent>,
-        _: &mut gpui::AppContext,
-    ) -> anyhow::Result<Self> {
-        Ok(sources.json_merge().unwrap_or_else(|_| Default::default()))
-    }
-}
--- a/crates/assistant2/src/attachments.rs
+++ b/crates/assistant2/src/attachments.rs
@@ -1,3 +0,0 @@
-mod active_file;
-
-pub use active_file::*;
--- a/crates/assistant2/src/attachments/active_file.rs
+++ b/crates/assistant2/src/attachments/active_file.rs
@@ -1,144 +0,0 @@
-use std::{path::PathBuf, sync::Arc};
-
-use anyhow::{anyhow, Result};
-use assistant_tooling::{AttachmentOutput, LanguageModelAttachment, ProjectContext};
-use editor::Editor;
-use gpui::{Render, Task, View, WeakModel, WeakView};
-use language::Buffer;
-use project::ProjectPath;
-use serde::{Deserialize, Serialize};
-use ui::{prelude::*, ButtonLike, Tooltip, WindowContext};
-use util::maybe;
-use workspace::Workspace;
-
-#[derive(Serialize, Deserialize)]
-pub struct ActiveEditorAttachment {
-    #[serde(skip)]
-    buffer: Option<WeakModel<Buffer>>,
-    path: Option<PathBuf>,
-}
-
-pub struct FileAttachmentView {
-    project_path: Option<ProjectPath>,
-    buffer: Option<WeakModel<Buffer>>,
-    error: Option<anyhow::Error>,
-}
-
-impl Render for FileAttachmentView {
-    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
-        if let Some(error) = &self.error {
-            return div().child(error.to_string()).into_any_element();
-        }
-
-        let filename: SharedString = self
-            .project_path
-            .as_ref()
-            .and_then(|p| p.path.file_name()?.to_str())
-            .unwrap_or("Untitled")
-            .to_string()
-            .into();
-
-        ButtonLike::new("file-attachment")
-            .child(
-                h_flex()
-                    .gap_1()
-                    .bg(cx.theme().colors().editor_background)
-                    .rounded_md()
-                    .child(ui::Icon::new(IconName::File))
-                    .child(filename.clone()),
-            )
-            .tooltip(move |cx| Tooltip::with_meta("File Attached", None, filename.clone(), cx))
-            .into_any_element()
-    }
-}
-
-impl AttachmentOutput for FileAttachmentView {
-    fn generate(&self, project: &mut ProjectContext, cx: &mut WindowContext) -> String {
-        if let Some(path) = &self.project_path {
-            project.add_file(path.clone());
-            return format!("current file: {}", path.path.display());
-        }
-
-        if let Some(buffer) = self.buffer.as_ref().and_then(|buffer| buffer.upgrade()) {
-            return format!("current untitled buffer text:\n{}", buffer.read(cx).text());
-        }
-
-        String::new()
-    }
-}
-
-pub struct ActiveEditorAttachmentTool {
-    workspace: WeakView<Workspace>,
-}
-
-impl ActiveEditorAttachmentTool {
-    pub fn new(workspace: WeakView<Workspace>, _cx: &mut WindowContext) -> Self {
-        Self { workspace }
-    }
-}
-
-impl LanguageModelAttachment for ActiveEditorAttachmentTool {
-    type Output = ActiveEditorAttachment;
-    type View = FileAttachmentView;
-
-    fn name(&self) -> Arc<str> {
-        "active-editor-attachment".into()
-    }
-
-    fn run(&self, cx: &mut WindowContext) -> Task<Result<ActiveEditorAttachment>> {
-        Task::ready(maybe!({
-            let active_buffer = self
-                .workspace
-                .update(cx, |workspace, cx| {
-                    workspace
-                        .active_item(cx)
-                        .and_then(|item| Some(item.act_as::<Editor>(cx)?.read(cx).buffer().clone()))
-                })?
-                .ok_or_else(|| anyhow!("no active buffer"))?;
-
-            let buffer = active_buffer.read(cx);
-
-            if let Some(buffer) = buffer.as_singleton() {
-                let path = project::File::from_dyn(buffer.read(cx).file())
-                    .and_then(|file| file.worktree.read(cx).absolutize(&file.path).ok());
-                return Ok(ActiveEditorAttachment {
-                    buffer: Some(buffer.downgrade()),
-                    path,
-                });
-            } else {
-                Err(anyhow!("no active buffer"))
-            }
-        }))
-    }
-
-    fn view(
-        &self,
-        output: Result<ActiveEditorAttachment>,
-        cx: &mut WindowContext,
-    ) -> View<Self::View> {
-        let error;
-        let project_path;
-        let buffer;
-        match output {
-            Ok(output) => {
-                error = None;
-                let workspace = self.workspace.upgrade().unwrap();
-                let project = workspace.read(cx).project();
-                project_path = output
-                    .path
-                    .and_then(|path| project.read(cx).project_path_for_absolute_path(&path, cx));
-                buffer = output.buffer;
-            }
-            Err(err) => {
-                error = Some(err);
-                buffer = None;
-                project_path = None;
-            }
-        }
-        cx.new_view(|_cx| FileAttachmentView {
-            project_path,
-            buffer,
-            error,
-        })
-    }
-}
--- a/crates/assistant2/src/completion_provider.rs
+++ b/crates/assistant2/src/completion_provider.rs
@@ -1,179 +0,0 @@
-use anyhow::Result;
-use assistant_tooling::ToolFunctionDefinition;
-use client::{proto, Client};
-use futures::{future::BoxFuture, stream::BoxStream, FutureExt, StreamExt};
-use gpui::Global;
-use std::sync::Arc;
-
-pub use open_ai::RequestMessage as CompletionMessage;
-
-#[derive(Clone)]
-pub struct CompletionProvider(Arc<dyn CompletionProviderBackend>);
-
-impl CompletionProvider {
-    pub fn new(backend: impl CompletionProviderBackend) -> Self {
-        Self(Arc::new(backend))
-    }
-
-    pub fn default_model(&self) -> String {
-        self.0.default_model()
-    }
-
-    pub fn available_models(&self) -> Vec<String> {
-        self.0.available_models()
-    }
-
-    pub fn complete(
-        &self,
-        model: String,
-        messages: Vec<CompletionMessage>,
-        stop: Vec<String>,
-        temperature: f32,
-        tools: Vec<ToolFunctionDefinition>,
-    ) -> BoxFuture<'static, Result<BoxStream<'static, Result<proto::LanguageModelResponseMessage>>>>
-    {
-        self.0.complete(model, messages, stop, temperature, tools)
-    }
-}
-
-impl Global for CompletionProvider {}
-
-pub trait CompletionProviderBackend: 'static {
-    fn default_model(&self) -> String;
-    fn available_models(&self) -> Vec<String>;
-    fn complete(
-        &self,
-        model: String,
-        messages: Vec<CompletionMessage>,
-        stop: Vec<String>,
-        temperature: f32,
-        tools: Vec<ToolFunctionDefinition>,
-    ) -> BoxFuture<'static, Result<BoxStream<'static, Result<proto::LanguageModelResponseMessage>>>>;
-}
-
-pub struct CloudCompletionProvider {
-    client: Arc<Client>,
-}
-
-impl CloudCompletionProvider {
-    pub fn new(client: Arc<Client>) -> Self {
-        Self { client }
-    }
-}
-
-impl CompletionProviderBackend for CloudCompletionProvider {
-    fn default_model(&self) -> String {
-        "gpt-4-turbo".into()
-    }
-
-    fn available_models(&self) -> Vec<String> {
-        vec!["gpt-4-turbo".into(), "gpt-4".into(), "gpt-3.5-turbo".into()]
-    }
-
-    fn complete(
-        &self,
-        model: String,
-        messages: Vec<CompletionMessage>,
-        stop: Vec<String>,
-        temperature: f32,
-        tools: Vec<ToolFunctionDefinition>,
-    ) -> BoxFuture<'static, Result<BoxStream<'static, Result<proto::LanguageModelResponseMessage>>>>
-    {
-        let client = self.client.clone();
-        let tools: Vec<proto::ChatCompletionTool> = tools
-            .iter()
-            .filter_map(|tool| {
-                Some(proto::ChatCompletionTool {
-                    variant: Some(proto::chat_completion_tool::Variant::Function(
-                        proto::chat_completion_tool::FunctionObject {
-                            name: tool.name.clone(),
-                            description: Some(tool.description.clone()),
-                            parameters: Some(serde_json::to_string(&tool.parameters).ok()?),
-                        },
-                    )),
-                })
-            })
-            .collect();
-
-        let tool_choice = match tools.is_empty() {
-            true => None,
-            false => Some("auto".into()),
-        };
-
-        async move {
-            let stream = client
-                .request_stream(proto::CompleteWithLanguageModel {
-                    model,
-                    messages: messages
-                        .into_iter()
-                        .map(|message| match message {
-                            CompletionMessage::Assistant {
-                                content,
-                                tool_calls,
-                            } => proto::LanguageModelRequestMessage {
-                                role: proto::LanguageModelRole::LanguageModelAssistant as i32,
-                                content: content.unwrap_or_default(),
-                                tool_call_id: None,
-                                tool_calls: tool_calls
-                                    .into_iter()
-                                    .map(|tool_call| match tool_call.content {
-                                        open_ai::ToolCallContent::Function { function } => {
-                                            proto::ToolCall {
-                                                id: tool_call.id,
-                                                variant: Some(proto::tool_call::Variant::Function(
-                                                    proto::tool_call::FunctionCall {
-                                                        name: function.name,
-                                                        arguments: function.arguments,
-                                                    },
-                                                )),
-                                            }
-                                        }
-                                    })
-                                    .collect(),
-                            },
-                            CompletionMessage::User { content } => {
-                                proto::LanguageModelRequestMessage {
-                                    role: proto::LanguageModelRole::LanguageModelUser as i32,
-                                    content,
-                                    tool_call_id: None,
-                                    tool_calls: Vec::new(),
-                                }
-                            }
-                            CompletionMessage::System { content } => {
-                                proto::LanguageModelRequestMessage {
-                                    role: proto::LanguageModelRole::LanguageModelSystem as i32,
-                                    content,
-                                    tool_calls: Vec::new(),
-                                    tool_call_id: None,
-                                }
-                            }
-                            CompletionMessage::Tool {
-                                content,
-                                tool_call_id,
-                            } => proto::LanguageModelRequestMessage {
-                                role: proto::LanguageModelRole::LanguageModelTool as i32,
-                                content,
-                                tool_call_id: Some(tool_call_id),
-                                tool_calls: Vec::new(),
-                            },
-                        })
-                        .collect(),
-                    stop,
-                    temperature,
-                    tool_choice,
-                    tools,
-                })
-                .await?;
-
-            Ok(stream
-                .filter_map(|response| async move {
-                    match response {
-                        Ok(mut response) => Some(Ok(response.choices.pop()?.delta?)),
-                        Err(error) => Some(Err(error)),
-                    }
-                })
-                .boxed())
-        }
-        .boxed()
-    }
-}
--- a/crates/assistant2/src/saved_conversation.rs
+++ b/crates/assistant2/src/saved_conversation.rs
@@ -1,90 +0,0 @@
-use std::cmp::Reverse;
-use std::ffi::OsStr;
-use std::path::PathBuf;
-use std::sync::Arc;
-
-use anyhow::Result;
-use assistant_tooling::{SavedToolFunctionCall, SavedUserAttachment};
-use fs::Fs;
-use futures::StreamExt;
-use gpui::SharedString;
-use regex::Regex;
-use serde::{Deserialize, Serialize};
-use util::paths::CONVERSATIONS_DIR;
-
-use crate::MessageId;
-
-#[derive(Serialize, Deserialize)]
-pub struct SavedConversation {
-    /// The schema version of the conversation.
-    pub version: String,
-    /// The title of the conversation, generated by the Assistant.
-    pub title: String,
-    pub messages: Vec<SavedChatMessage>,
-}
-
-#[derive(Serialize, Deserialize)]
-pub enum SavedChatMessage {
-    User {
-        id: MessageId,
-        body: String,
-        attachments: Vec<SavedUserAttachment>,
-    },
-    Assistant {
-        id: MessageId,
-        messages: Vec<SavedAssistantMessagePart>,
-        error: Option<SharedString>,
-    },
-}
-
-#[derive(Serialize, Deserialize)]
-pub struct SavedAssistantMessagePart {
-    pub body: SharedString,
-    pub tool_calls: Vec<SavedToolFunctionCall>,
-}
-
-pub struct SavedConversationMetadata {
-    pub title: String,
-    pub path: PathBuf,
-    pub mtime: chrono::DateTime<chrono::Local>,
-}
-
-impl SavedConversationMetadata {
-    pub async fn list(fs: Arc<dyn Fs>) -> Result<Vec<Self>> {
-        fs.create_dir(&CONVERSATIONS_DIR).await?;
-
-        let mut paths = fs.read_dir(&CONVERSATIONS_DIR).await?;
-        let mut conversations = Vec::new();
-        while let Some(path) = paths.next().await {
-            let path = path?;
-            if path.extension() != Some(OsStr::new("json")) {
-                continue;
-            }
-
-            let pattern = r" - \d+.zed.\d.\d.\d.json$";
-            let re = Regex::new(pattern).unwrap();
-
-            let metadata = fs.metadata(&path).await?;
-            if let Some((file_name, metadata)) = path
-                .file_name()
-                .and_then(|name| name.to_str())
-                .zip(metadata)
-            {
-                // This is used to filter out conversations saved by the old assistant.
-                if !re.is_match(file_name) {
-                    continue;
-                }
-
-                let title = re.replace(file_name, "");
-                conversations.push(Self {
-                    title: title.into_owned(),
-                    path,
-                    mtime: metadata.mtime.into(),
-                });
-            }
-        }
-        conversations.sort_unstable_by_key(|conversation| Reverse(conversation.mtime));
-
-        Ok(conversations)
-    }
-}
--- a/crates/assistant2/src/saved_conversations.rs
+++ b/crates/assistant2/src/saved_conversations.rs
@@ -1,196 +0,0 @@
-use std::sync::Arc;
-
-use fuzzy::{match_strings, StringMatch, StringMatchCandidate};
-use gpui::{AppContext, DismissEvent, EventEmitter, FocusHandle, FocusableView, View, WeakView};
-use picker::{Picker, PickerDelegate};
-use ui::{prelude::*, HighlightedLabel, ListItem, ListItemSpacing};
-use util::ResultExt;
-
-use crate::saved_conversation::SavedConversationMetadata;
-
-pub struct SavedConversations {
-    focus_handle: FocusHandle,
-    picker: Option<View<Picker<SavedConversationPickerDelegate>>>,
-}
-
-impl EventEmitter<DismissEvent> for SavedConversations {}
-
-impl FocusableView for SavedConversations {
-    fn focus_handle(&self, cx: &AppContext) -> FocusHandle {
-        if let Some(picker) = self.picker.as_ref() {
-            picker.focus_handle(cx)
-        } else {
-            self.focus_handle.clone()
-        }
-    }
-}
-
-impl SavedConversations {
-    pub fn new(cx: &mut ViewContext<Self>) -> Self {
-        Self {
-            focus_handle: cx.focus_handle(),
-            picker: None,
-        }
-    }
-
-    pub fn init(
-        &mut self,
-        saved_conversations: Vec<SavedConversationMetadata>,
-        cx: &mut ViewContext<Self>,
-    ) {
-        let delegate =
-            SavedConversationPickerDelegate::new(cx.view().downgrade(), saved_conversations);
-        self.picker = Some(cx.new_view(|cx| Picker::uniform_list(delegate, cx).modal(false)));
-    }
-}
-
-impl Render for SavedConversations {
-    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
-        v_flex()
-            .w_full()
-            .bg(cx.theme().colors().panel_background)
-            .children(self.picker.clone())
-    }
-}
-
-pub struct SavedConversationPickerDelegate {
-    view: WeakView<SavedConversations>,
-    saved_conversations: Vec<SavedConversationMetadata>,
-    selected_index: usize,
-    matches: Vec<StringMatch>,
-}
-
-impl SavedConversationPickerDelegate {
-    pub fn new(
-        weak_view: WeakView<SavedConversations>,
-        saved_conversations: Vec<SavedConversationMetadata>,
-    ) -> Self {
-        let matches = saved_conversations
-            .iter()
-            .map(|conversation| StringMatch {
-                candidate_id: 0,
-                score: 0.0,
-                positions: Default::default(),
-                string: conversation.title.clone(),
-            })
-            .collect();
-
-        Self {
-            view: weak_view,
-            saved_conversations,
-            selected_index: 0,
-            matches,
-        }
-    }
-}
-
-impl PickerDelegate for SavedConversationPickerDelegate {
-    type ListItem = ui::ListItem;
-
-    fn placeholder_text(&self, _cx: &mut WindowContext) -> Arc<str> {
-        "Select saved conversation...".into()
-    }
-
-    fn match_count(&self) -> usize {
-        self.matches.len()
-    }
-
-    fn selected_index(&self) -> usize {
-        self.selected_index
-    }
-
-    fn set_selected_index(&mut self, ix: usize, _cx: &mut ViewContext<Picker<Self>>) {
-        self.selected_index = ix;
-    }
-
-    fn update_matches(
-        &mut self,
-        query: String,
-        cx: &mut ViewContext<Picker<Self>>,
-    ) -> gpui::Task<()> {
-        let background_executor = cx.background_executor().clone();
-        let candidates = self
-            .saved_conversations
-            .iter()
-            .enumerate()
-            .map(|(id, conversation)| {
-                let text = conversation.title.clone();
-
-                StringMatchCandidate {
-                    id,
-                    char_bag: text.as_str().into(),
-                    string: text,
-                }
-            })
-            .collect::<Vec<_>>();
-
-        cx.spawn(move |this, mut cx| async move {
-            let matches = if query.is_empty() {
-                candidates
-                    .into_iter()
-                    .enumerate()
-                    .map(|(index, candidate)| StringMatch {
-                        candidate_id: index,
-                        string: candidate.string,
-                        positions: Vec::new(),
-                        score: 0.0,
-                    })
-                    .collect()
-            } else {
-                match_strings(
-                    &candidates,
-                    &query,
-                    false,
-                    100,
-                    &Default::default(),
-                    background_executor,
-                )
-                .await
-            };
-
-            this.update(&mut cx, |this, _cx| {
-                this.delegate.matches = matches;
-                this.delegate.selected_index = this
-                    .delegate
-                    .selected_index
-                    .min(this.delegate.matches.len().saturating_sub(1));
-            })
-            .log_err();
-        })
-    }
-
-    fn confirm(&mut self, _secondary: bool, cx: &mut ViewContext<Picker<Self>>) {
-        if self.matches.is_empty() {
-            self.dismissed(cx);
-            return;
-        }
-
-        // TODO: Implement selecting a saved conversation.
-    }
-
-    fn dismissed(&mut self, cx: &mut ui::prelude::ViewContext<Picker<Self>>) {
-        self.view
-            .update(cx, |_, cx| cx.emit(DismissEvent))
-            .log_err();
-    }
-
-    fn render_match(
-        &self,
-        ix: usize,
-        selected: bool,
-        _cx: &mut ViewContext<Picker<Self>>,
-    ) -> Option<Self::ListItem> {
-        let conversation_match = &self.matches[ix];
-        let _conversation = &self.saved_conversations[conversation_match.candidate_id];
-
-        Some(
-            ListItem::new(ix)
-                .spacing(ListItemSpacing::Sparse)
-                .selected(selected)
-                .child(HighlightedLabel::new(
-                    conversation_match.string.clone(),
-                    conversation_match.positions.clone(),
-                )),
-        )
-    }
-}
--- a/crates/assistant2/src/tools.rs
+++ b/crates/assistant2/src/tools.rs
@@ -1,7 +0,0 @@
-mod annotate_code;
-mod create_buffer;
-mod project_index;
-
-pub use annotate_code::*;
-pub use create_buffer::*;
-pub use project_index::*;
--- a/crates/assistant2/src/tools/annotate_code.rs
+++ b/crates/assistant2/src/tools/annotate_code.rs
@@ -1,304 +0,0 @@
-use anyhow::Result;
-use assistant_tooling::{LanguageModelTool, ProjectContext, ToolView};
-use editor::{
-    display_map::{BlockContext, BlockDisposition, BlockProperties, BlockStyle},
-    Editor, MultiBuffer,
-};
-use futures::{channel::mpsc::UnboundedSender, StreamExt as _};
-use gpui::{prelude::*, AnyElement, AsyncWindowContext, Model, Task, View, WeakView};
-use language::ToPoint;
-use project::{search::SearchQuery, Project, ProjectPath};
-use schemars::JsonSchema;
-use serde::Deserialize;
-use std::path::Path;
-use ui::prelude::*;
-use util::ResultExt;
-use workspace::Workspace;
-
-pub struct AnnotationTool {
-    workspace: WeakView<Workspace>,
-    project: Model<Project>,
-}
-
-impl AnnotationTool {
-    pub fn new(workspace: WeakView<Workspace>, project: Model<Project>) -> Self {
-        Self { workspace, project }
-    }
-}
-
-#[derive(Default, Debug, Deserialize, JsonSchema, Clone)]
-pub struct AnnotationInput {
-    /// Name for this set of annotations
-    #[serde(default = "default_title")]
-    title: String,
-    /// Excerpts from the file to show to the user.
-    excerpts: Vec<Excerpt>,
-}
-
-fn default_title() -> String {
-    "Untitled".to_string()
-}
-
-#[derive(Debug, Deserialize, JsonSchema, Clone)]
-struct Excerpt {
-    /// Path to the file
-    path: String,
-    /// A short, distinctive string that appears in the file, used to define a location in the file.
-    text_passage: String,
-    /// Text to display above the code excerpt
-    annotation: String,
-}
-
-impl LanguageModelTool for AnnotationTool {
-    type View = AnnotationResultView;
-
-    fn name(&self) -> String {
-        "annotate_code".to_string()
-    }
-
-    fn description(&self) -> String {
-        "Dynamically annotate symbols in the current codebase. Opens a buffer in a panel in their editor, to the side of the conversation. The annotations are shown in the editor as a block decoration.".to_string()
-    }
-
-    fn view(&self, cx: &mut WindowContext) -> View<Self::View> {
-        cx.new_view(|cx| {
-            let (tx, mut rx) = futures::channel::mpsc::unbounded();
-            cx.spawn(|view, mut cx| async move {
-                while let Some(excerpt) = rx.next().await {
-                    AnnotationResultView::add_excerpt(view.clone(), excerpt, &mut cx).await?;
-                }
-                anyhow::Ok(())
-            })
-            .detach();
-
-            AnnotationResultView {
-                project: self.project.clone(),
-                workspace: self.workspace.clone(),
-                tx,
-                pending_excerpt: None,
-                added_editor_to_workspace: false,
-                editor: None,
-                error: None,
-                rendered_excerpt_count: 0,
-            }
-        })
-    }
-}
-
-pub struct AnnotationResultView {
-    workspace: WeakView<Workspace>,
-    project: Model<Project>,
-    pending_excerpt: Option<Excerpt>,
-    added_editor_to_workspace: bool,
-    editor: Option<View<Editor>>,
-    tx: UnboundedSender<Excerpt>,
-    error: Option<anyhow::Error>,
-    rendered_excerpt_count: usize,
-}
-
-impl AnnotationResultView {
-    async fn add_excerpt(
-        this: WeakView<Self>,
-        excerpt: Excerpt,
-        cx: &mut AsyncWindowContext,
-    ) -> Result<()> {
-        let project = this.update(cx, |this, _cx| this.project.clone())?;
-
-        let worktree_id = project.update(cx, |project, cx| {
-            let worktree = project.worktrees().next()?;
-            let worktree_id = worktree.read(cx).id();
-            Some(worktree_id)
-        })?;
-
-        let worktree_id = if let Some(worktree_id) = worktree_id {
-            worktree_id
-        } else {
-            return Err(anyhow::anyhow!("No worktree found"));
-        };
-
-        let buffer_task = project.update(cx, |project, cx| {
-            project.open_buffer(
-                ProjectPath {
-                    worktree_id,
-                    path: Path::new(&excerpt.path).into(),
-                },
-                cx,
-            )
-        })?;
-
-        let buffer = match buffer_task.await {
-            Ok(buffer) => buffer,
-            Err(error) => {
-                return this.update(cx, |this, cx| {
-                    this.error = Some(error);
-                    cx.notify();
-                })
-            }
-        };
-
-        let snapshot = buffer.update(cx, |buffer, _cx| buffer.snapshot())?;
-        let query = SearchQuery::text(&excerpt.text_passage, false, false, false, vec![], vec![])?;
-        let matches = query.search(&snapshot, None).await;
-        let Some(first_match) = matches.first() else {
-            log::warn!(
-                "text {:?} does not appear in '{}'",
-                excerpt.text_passage,
-                excerpt.path
-            );
-            return Ok(());
-        };
-
-        this.update(cx, |this, cx| {
-            let mut start = first_match.start.to_point(&snapshot);
-            start.column = 0;
-
-            if let Some(editor) = &this.editor {
-                editor.update(cx, |editor, cx| {
-                    let ranges = editor.buffer().update(cx, |multibuffer, cx| {
-                        multibuffer.push_excerpts_with_context_lines(
-                            buffer.clone(),
-                            vec![start..start],
-                            5,
-                            cx,
-                        )
-                    });
-
-                    let annotation = SharedString::from(excerpt.annotation);
-                    editor.insert_blocks(
-                        [BlockProperties {
-                            position: ranges[0].start,
-                            height: annotation.split('\n').count() as u8 + 1,
-                            style: BlockStyle::Fixed,
-                            render: Box::new(move |cx| Self::render_note_block(&annotation, cx)),
-                            disposition: BlockDisposition::Above,
-                        }],
-                        None,
-                        cx,
-                    );
-                });
-
-                if !this.added_editor_to_workspace {
-                    this.added_editor_to_workspace = true;
-                    this.workspace
-                        .update(cx, |workspace, cx| {
-                            workspace.add_item_to_active_pane(Box::new(editor.clone()), None, cx);
-                        })
-                        .log_err();
-                }
-            }
-        })?;
-
-        Ok(())
-    }
-
-    fn render_note_block(explanation: &SharedString, cx: &mut BlockContext) -> AnyElement {
-        let anchor_x = cx.anchor_x;
-        let gutter_width = cx.gutter_dimensions.width;
-
-        h_flex()
-            .w_full()
-            .py_2()
-            .border_y_1()
-            .border_color(cx.theme().colors().border)
-            .child(
-                h_flex()
-                    .justify_center()
-                    .w(gutter_width)
-                    .child(Icon::new(IconName::Ai).color(Color::Hint)),
-            )
-            .child(
-                h_flex()
-                    .w_full()
-                    .ml(anchor_x - gutter_width)
-                    .child(explanation.clone()),
-            )
-            .into_any_element()
-    }
-}
-
-impl Render for AnnotationResultView {
-    fn render(&mut self, _cx: &mut ViewContext<Self>) -> impl IntoElement {
-        if let Some(error) = &self.error {
-            ui::Label::new(error.to_string()).into_any_element()
-        } else {
-            ui::Label::new(SharedString::from(format!(
-                "Opened a buffer with {} excerpts",
-                self.rendered_excerpt_count
-            )))
-            .into_any_element()
-        }
-    }
-}
-
-impl ToolView for AnnotationResultView {
-    type Input = AnnotationInput;
-    type SerializedState = Option<String>;
-
-    fn generate(&self, _: &mut ProjectContext, _: &mut ViewContext<Self>) -> String {
-        if let Some(error) = &self.error {
-            format!("Failed to create buffer: {error:?}")
-        } else {
-            format!(
-                "opened {} excerpts in a buffer",
-                self.rendered_excerpt_count
-            )
-        }
-    }
-
-    fn set_input(&mut self, mut input: Self::Input, cx: &mut ViewContext<Self>) {
-        let editor = if let Some(editor) = &self.editor {
-            editor.clone()
-        } else {
-            let multibuffer = cx.new_model(|_cx| {
-                MultiBuffer::new(0, language::Capability::ReadWrite).with_title(String::new())
-            });
-            let editor = cx.new_view(|cx| {
-                Editor::for_multibuffer(multibuffer.clone(), Some(self.project.clone()), cx)
-            });
-
-            self.editor = Some(editor.clone());
-            editor
-        };
-
-        editor.update(cx, |editor, cx| {
-            editor.buffer().update(cx, |multibuffer, cx| {
-                if multibuffer.title(cx) != input.title {
-                    multibuffer.set_title(input.title.clone(), cx);
-                }
-            });
-
-            self.pending_excerpt = input.excerpts.pop();
-            for excerpt in input.excerpts.iter().skip(self.rendered_excerpt_count) {
-                self.tx.unbounded_send(excerpt.clone()).ok();
-            }
-            self.rendered_excerpt_count = input.excerpts.len();
-        });
-
-        cx.notify();
-    }
-
-    fn execute(&mut self, _cx: &mut ViewContext<Self>) -> Task<Result<()>> {
-        if let Some(excerpt) = self.pending_excerpt.take() {
-            self.rendered_excerpt_count += 1;
-            self.tx.unbounded_send(excerpt.clone()).ok();
-        }
-
-        self.tx.close_channel();
-        Task::ready(Ok(()))
-    }
-
-    fn serialize(&self, _cx: &mut ViewContext<Self>) -> Self::SerializedState {
-        self.error.as_ref().map(|error| error.to_string())
-    }
-
-    fn deserialize(
-        &mut self,
-        output: Self::SerializedState,
-        _cx: &mut ViewContext<Self>,
-    ) -> Result<()> {
-        if let Some(error_message) = output {
-            self.error = Some(anyhow::anyhow!("{}", error_message));
-        }
-        Ok(())
-    }
-}
--- a/crates/assistant2/src/tools/create_buffer.rs
+++ b/crates/assistant2/src/tools/create_buffer.rs
@@ -1,145 +0,0 @@
-use anyhow::{anyhow, Result};
-use assistant_tooling::{LanguageModelTool, ProjectContext, ToolView};
-use editor::Editor;
-use gpui::{prelude::*, Model, Task, View, WeakView};
-use project::Project;
-use schemars::JsonSchema;
-use serde::Deserialize;
-use ui::prelude::*;
-use util::ResultExt;
-use workspace::Workspace;
-
-pub struct CreateBufferTool {
-    workspace: WeakView<Workspace>,
-    project: Model<Project>,
-}
-
-impl CreateBufferTool {
-    pub fn new(workspace: WeakView<Workspace>, project: Model<Project>) -> Self {
-        Self { workspace, project }
-    }
-}
-
-#[derive(Debug, Clone, Deserialize, JsonSchema)]
-pub struct CreateBufferInput {
-    /// The contents of the buffer.
-    text: String,
-
-    /// The name of the language to use for the buffer.
-    ///
-    /// This should be a human-readable name, like "Rust", "JavaScript", or "Python".
-    language: String,
-}
-
-impl LanguageModelTool for CreateBufferTool {
-    type View = CreateBufferView;
-
-    fn name(&self) -> String {
-        "create_file".to_string()
-    }
-
-    fn description(&self) -> String {
-        "Create a new untitled file in the current codebase. Side effect: opens it in a new pane/tab for the user to edit.".to_string()
-    }
-
-    fn view(&self, cx: &mut WindowContext) -> View<Self::View> {
-        cx.new_view(|_cx| CreateBufferView {
-            workspace: self.workspace.clone(),
-            project: self.project.clone(),
-            input: None,
-            error: None,
-        })
-    }
-}
-
-pub struct CreateBufferView {
-    workspace: WeakView<Workspace>,
-    project: Model<Project>,
-    input: Option<CreateBufferInput>,
-    error: Option<anyhow::Error>,
-}
-
-impl Render for CreateBufferView {
-    fn render(&mut self, _cx: &mut ViewContext<Self>) -> impl IntoElement {
-        ui::Label::new("Opening a buffer")
-    }
-}
-
-impl ToolView for CreateBufferView {
-    type Input = CreateBufferInput;
-
-    type SerializedState = ();
-
-    fn generate(&self, _project: &mut ProjectContext, _cx: &mut ViewContext<Self>) -> String {
-        let Some(input) = self.input.as_ref() else {
-            return "No input".to_string();
-        };
-
-        match &self.error {
-            None => format!("Created a new {} buffer", input.language),
-            Some(err) => format!("Failed to create buffer: {err:?}"),
-        }
-    }
-
-    fn set_input(&mut self, input: Self::Input, cx: &mut ViewContext<Self>) {
-        self.input = Some(input);
-        cx.notify();
-    }
-
-    fn execute(&mut self, cx: &mut ViewContext<Self>) -> Task<Result<()>> {
-        cx.spawn({
-            let workspace = self.workspace.clone();
-            let project = self.project.clone();
-            let input = self.input.clone();
-            |_this, mut cx| async move {
-                let input = input.ok_or_else(|| anyhow!("no input"))?;
-
-                let text = input.text.clone();
-                let language_name = input.language.clone();
-                let language = cx
-                    .update(|cx| {
-                        project
-                            .read(cx)
-                            .languages()
-                            .language_for_name(&language_name)
-                    })?
-                    .await?;
-
-                let buffer = cx
-                    .update(|cx| project.update(cx, |project, cx| project.create_buffer(cx)))?
-                    .await?;
-
-                buffer.update(&mut cx, |buffer, cx| {
-                    buffer.edit([(0..0, text)], None, cx);
-                    buffer.set_language(Some(language), cx)
-                })?;
-
-                workspace
-                    .update(&mut cx, |workspace, cx| {
-                        workspace.add_item_to_active_pane(
-                            Box::new(
-                                cx.new_view(|cx| Editor::for_buffer(buffer, Some(project), cx)),
-                            ),
-                            None,
-                            cx,
-                        );
-                    })
-                    .log_err();
-
-                Ok(())
-            }
-        })
-    }
-
-    fn serialize(&self, _cx: &mut ViewContext<Self>) -> Self::SerializedState {
-        ()
-    }
-
-    fn deserialize(
-        &mut self,
-        _output: Self::SerializedState,
-        _cx: &mut ViewContext<Self>,
-    ) -> Result<()> {
-        Ok(())
-    }
-}
--- a/crates/assistant2/src/tools/project_index.rs
+++ b/crates/assistant2/src/tools/project_index.rs
@@ -1,428 +0,0 @@
-use anyhow::Result;
-use assistant_tooling::{LanguageModelTool, ToolView};
-use collections::BTreeMap;
-use file_icons::FileIcons;
-use gpui::{prelude::*, AnyElement, Model, Task};
-use project::ProjectPath;
-use schemars::JsonSchema;
-use semantic_index::{ProjectIndex, Status};
-use serde::{Deserialize, Serialize};
-use std::{
-    fmt::Write as _,
-    ops::Range,
-    path::{Path, PathBuf},
-    str::FromStr as _,
-    sync::Arc,
-};
-use ui::{prelude::*, CollapsibleContainer, Color, Icon, IconName, Label, WindowContext};
-
-const DEFAULT_SEARCH_LIMIT: usize = 20;
-
-pub struct ProjectIndexTool {
-    project_index: Model<ProjectIndex>,
-}
-
-#[derive(Default)]
-enum ProjectIndexToolState {
-    #[default]
-    CollectingQuery,
-    Searching,
-    Error(anyhow::Error),
-    Finished {
-        excerpts: BTreeMap<ProjectPath, Vec<Range<usize>>>,
-        index_status: Status,
-    },
-}
-
-pub struct ProjectIndexView {
-    project_index: Model<ProjectIndex>,
-    input: CodebaseQuery,
-    expanded_header: bool,
-    state: ProjectIndexToolState,
-}
-
-#[derive(Default, Deserialize, JsonSchema)]
-pub struct CodebaseQuery {
-    /// Semantic search query
-    query: String,
-    /// Criteria to include results
-    includes: Option<SearchFilter>,
-    /// Criteria to exclude results
-    excludes: Option<SearchFilter>,
-}
-
-#[derive(Deserialize, JsonSchema, Clone, Default)]
-pub struct SearchFilter {
-    /// Filter by file path prefix
-    prefix_path: Option<String>,
-    /// Filter by file extension
-    extension: Option<String>,
-    // Note: we possibly can't do content filtering very easily given the project context handling
-    // the final results, so we're leaving out direct string matches for now
-}
-
-fn project_starts_with(prefix_path: Option<String>, project_path: ProjectPath) -> bool {
-    if let Some(path) = &prefix_path {
-        if let Some(path) = PathBuf::from_str(path).ok() {
-            return project_path.path.starts_with(path);
-        }
-    }
-
-    return false;
-}
-
-impl SearchFilter {
-    fn matches(&self, project_path: &ProjectPath) -> bool {
-        let path_match = project_starts_with(self.prefix_path.clone(), project_path.clone());
-
-        path_match
-            && (if let Some(extension) = &self.extension {
-                project_path
-                    .path
-                    .extension()
-                    .and_then(|ext| ext.to_str())
-                    .map(|ext| ext == extension)
-                    .unwrap_or(false)
-            } else {
-                true
-            })
-    }
-}
-
-#[derive(Serialize, Deserialize)]
-pub struct SerializedState {
-    index_status: Status,
-    error_message: Option<String>,
-    worktrees: BTreeMap<Arc<Path>, WorktreeIndexOutput>,
-}
-
-#[derive(Default, Serialize, Deserialize)]
-struct WorktreeIndexOutput {
-    excerpts: BTreeMap<Arc<Path>, Vec<Range<usize>>>,
-}
-
-impl ProjectIndexView {
-    fn toggle_header(&mut self, cx: &mut ViewContext<Self>) {
-        self.expanded_header = !self.expanded_header;
-        cx.notify();
-    }
-
-    fn render_filter_section(
-        &mut self,
-        heading: &str,
-        filter: Option<SearchFilter>,
-        cx: &mut ViewContext<Self>,
-    ) -> Option<AnyElement> {
-        let filter = match filter {
-            Some(filter) => filter,
-            None => return None,
-        };
-
-        // Any of the filter fields can be empty. We'll show nothing if they're all empty.
-        let path = filter.prefix_path.as_ref().map(|path| {
-            let icon_path = FileIcons::get_icon(Path::new(path), cx)
-                .map(SharedString::from)
-                .unwrap_or_else(|| SharedString::from("icons/file_icons/file.svg"));
-
-            h_flex()
-                .gap_1()
-                .child("Paths: ")
-                .child(Icon::from_path(icon_path))
-                .child(ui::Label::new(path.clone()).color(Color::Muted))
-        });
-
-        let extension = filter.extension.as_ref().map(|extension| {
-            let icon_path = FileIcons::get_icon(Path::new(extension), cx)
-                .map(SharedString::from)
-                .unwrap_or_else(|| SharedString::from("icons/file_icons/file.svg"));
-
-            h_flex()
-                .gap_1()
-                .child("Extensions: ")
-                .child(Icon::from_path(icon_path))
-                .child(ui::Label::new(extension.clone()).color(Color::Muted))
-        });
-
-        if path.is_none() && extension.is_none() {
-            return None;
-        }
-
-        Some(
-            v_flex()
-                .child(ui::Label::new(heading.to_string()))
-                .gap_1()
-                .children(path)
-                .children(extension)
-                .into_any_element(),
-        )
-    }
-}
-
-impl Render for ProjectIndexView {
-    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
-        let query = self.input.query.clone();
-
-        let (header_text, content) = match &self.state {
-            ProjectIndexToolState::Error(error) => {
-                return format!("failed to search: {error:?}").into_any_element()
-            }
-            ProjectIndexToolState::CollectingQuery | ProjectIndexToolState::Searching => {
-                ("Searching...".to_string(), div())
-            }
-            ProjectIndexToolState::Finished { excerpts, .. } => {
-                let file_count = excerpts.len();
-
-                if excerpts.is_empty() {
-                    ("No results found".to_string(), div())
-                } else {
-                    let header_text = format!(
-                        "Read {} {}",
-                        file_count,
-                        if file_count == 1 { "file" } else { "files" }
-                    );
-
-                    let el = v_flex().gap_2().children(excerpts.keys().map(|path| {
-                        h_flex().gap_2().child(Icon::new(IconName::File)).child(
-                            Label::new(path.path.to_string_lossy().to_string()).color(Color::Muted),
-                        )
-                    }));
-
-                    (header_text, el)
-                }
-            }
-        };
-
-        let header = h_flex()
-            .gap_2()
-            .child(Icon::new(IconName::File))
-            .child(header_text);
-
-        v_flex()
-            .gap_3()
-            .child(
-                CollapsibleContainer::new("collapsible-container", self.expanded_header)
-                    .start_slot(header)
-                    .on_click(cx.listener(move |this, _, cx| {
-                        this.toggle_header(cx);
-                    }))
-                    .child(
-                        v_flex()
-                            .gap_3()
-                            .p_3()
-                            .child(
-                                h_flex()
-                                    .gap_2()
-                                    .child(Icon::new(IconName::MagnifyingGlass))
-                                    .child(Label::new(format!("`{}`", query)).color(Color::Muted)),
-                            )
-                            .children(self.render_filter_section(
-                                "Includes",
-                                self.input.includes.clone(),
-                                cx,
-                            ))
-                            .children(self.render_filter_section(
-                                "Excludes",
-                                self.input.excludes.clone(),
-                                cx,
-                            ))
-                            .child(content),
-                    ),
-            )
-            .into_any_element()
-    }
-}
-
-impl ToolView for ProjectIndexView {
-    type Input = CodebaseQuery;
-    type SerializedState = SerializedState;
-
-    fn generate(
-        &self,
-        context: &mut assistant_tooling::ProjectContext,
-        _: &mut ViewContext<Self>,
-    ) -> String {
-        match &self.state {
-            ProjectIndexToolState::CollectingQuery => String::new(),
-            ProjectIndexToolState::Searching => String::new(),
-            ProjectIndexToolState::Error(error) => format!("failed to search: {error:?}"),
-            ProjectIndexToolState::Finished {
-                excerpts,
-                index_status,
-            } => {
-                let mut body = "found results in the following paths:\n".to_string();
-
-                for (project_path, ranges) in excerpts {
-                    context.add_excerpts(project_path.clone(), ranges);
-                    writeln!(&mut body, "* {}", &project_path.path.display()).unwrap();
-                }
-
-                if *index_status != Status::Idle {
-                    body.push_str("Still indexing. Results may be incomplete.\n");
-                }
-
-                body
-            }
-        }
-    }
-
-    fn set_input(&mut self, input: Self::Input, cx: &mut ViewContext<Self>) {
-        self.input = input;
-        cx.notify();
-    }
-
-    fn execute(&mut self, cx: &mut ViewContext<Self>) -> Task<Result<()>> {
-        self.state = ProjectIndexToolState::Searching;
-        cx.notify();
-
-        let project_index = self.project_index.read(cx);
-        let index_status = project_index.status();
-
-        // TODO: wire the filters into the search here instead of processing after.
-        // Otherwise we'll get zero results sometimes.
-        let search = project_index.search(self.input.query.clone(), DEFAULT_SEARCH_LIMIT, cx);
-
-        let includes = self.input.includes.clone();
-        let excludes = self.input.excludes.clone();
-
-        cx.spawn(|this, mut cx| async move {
-            let search_result = search.await;
-            this.update(&mut cx, |this, cx| {
-                match search_result {
-                    Ok(search_results) => {
-                        let mut excerpts = BTreeMap::<ProjectPath, Vec<Range<usize>>>::new();
-                        for search_result in search_results {
-                            let project_path = ProjectPath {
-                                worktree_id: search_result.worktree.read(cx).id(),
-                                path: search_result.path,
-                            };
-
-                            if let Some(includes) = &includes {
-                                if !includes.matches(&project_path) {
-                                    continue;
-                                }
-                            } else if let Some(excludes) = &excludes {
-                                if excludes.matches(&project_path) {
-                                    continue;
-                                }
-                            }
-
-                            excerpts
-                                .entry(project_path)
-                                .or_default()
-                                .push(search_result.range);
-                        }
-                        this.state = ProjectIndexToolState::Finished {
-                            excerpts,
-                            index_status,
-                        };
-                    }
-                    Err(error) => {
-                        this.state = ProjectIndexToolState::Error(error);
-                    }
-                }
-                cx.notify();
-            })
-        })
-    }
-
-    fn serialize(&self, cx: &mut ViewContext<Self>) -> Self::SerializedState {
-        let mut serialized = SerializedState {
-            error_message: None,
-            index_status: Status::Idle,
-            worktrees: Default::default(),
-        };
-        match &self.state {
-            ProjectIndexToolState::Error(err) => serialized.error_message = Some(err.to_string()),
-            ProjectIndexToolState::Finished {
-                excerpts,
-                index_status,
-            } => {
-                serialized.index_status = *index_status;
-                if let Some(project) = self.project_index.read(cx).project().upgrade() {
-                    let project = project.read(cx);
-                    for (project_path, excerpts) in excerpts {
-                        if let Some(worktree) =
-                            project.worktree_for_id(project_path.worktree_id, cx)
-                        {
-                            let worktree_path = worktree.read(cx).abs_path();
-                            serialized
-                                .worktrees
-                                .entry(worktree_path)
-                                .or_default()
-                                .excerpts
-                                .insert(project_path.path.clone(), excerpts.clone());
-                        }
-                    }
-                }
-            }
-            _ => {}
-        }
-        serialized
-    }
-
-    fn deserialize(
-        &mut self,
-        serialized: Self::SerializedState,
-        cx: &mut ViewContext<Self>,
-    ) -> Result<()> {
-        if !serialized.worktrees.is_empty() {
-            let mut excerpts = BTreeMap::<ProjectPath, Vec<Range<usize>>>::new();
-            if let Some(project) = self.project_index.read(cx).project().upgrade() {
-                let project = project.read(cx);
-                for (worktree_path, worktree_state) in serialized.worktrees {
-                    if let Some(worktree) = project
-                        .worktrees()
-                        .find(|worktree| worktree.read(cx).abs_path() == worktree_path)
-                    {
-                        let worktree_id = worktree.read(cx).id();
-                        for (path, serialized_excerpts) in worktree_state.excerpts {
-                            excerpts.insert(ProjectPath { worktree_id, path }, serialized_excerpts);
-                        }
-                    }
-                }
-            }
-            self.state = ProjectIndexToolState::Finished {
-                excerpts,
-                index_status: serialized.index_status,
-            };
-        }
-        cx.notify();
-        Ok(())
-    }
-}
-
-impl ProjectIndexTool {
-    pub fn new(project_index: Model<ProjectIndex>) -> Self {
-        Self { project_index }
-    }
-}
-
-impl LanguageModelTool for ProjectIndexTool {
-    type View = ProjectIndexView;
-
-    fn name(&self) -> String {
-        "semantic_search_codebase".to_string()
-    }
-
-    fn description(&self) -> String {
-        unindent::unindent(
-            r#"This search tool uses a semantic index to perform search queries across your codebase, identifying and returning excerpts of text and code possibly related to the query.
-
-            Ideal for:
-            - Discovering implementations of similar logic within the project
-            - Finding usage examples of functions, classes/structures, libraries, and other code elements
-            - Developing understanding of the codebase's architecture and design
-
-            Note: The search's effectiveness is directly related to the current state of the codebase and the specificity of your query. It is recommended that you use snippets of code that are similar to the code you wish to find."#,
-        )
-    }
-
-    fn view(&self, cx: &mut WindowContext) -> gpui::View<Self::View> {
-        cx.new_view(|_| ProjectIndexView {
-            state: ProjectIndexToolState::CollectingQuery,
-            input: Default::default(),
-            expanded_header: false,
-            project_index: self.project_index.clone(),
-        })
-    }
-}
--- a/crates/assistant2/src/ui.rs
+++ b/crates/assistant2/src/ui.rs
@@ -1,17 +0,0 @@
-mod active_file_button;
-mod chat_message;
-mod chat_notice;
-mod composer;
-mod project_index_button;
-
-#[cfg(feature = "stories")]
-mod stories;
-
-pub use active_file_button::*;
-pub use chat_message::*;
-pub use chat_notice::*;
-pub use composer::*;
-pub use project_index_button::*;
-
-#[cfg(feature = "stories")]
-pub use stories::*;
--- a/crates/assistant2/src/ui/active_file_button.rs
+++ b/crates/assistant2/src/ui/active_file_button.rs
@@ -1,134 +0,0 @@
-use crate::attachments::ActiveEditorAttachmentTool;
-use assistant_tooling::AttachmentRegistry;
-use editor::Editor;
-use gpui::{prelude::*, Subscription, View};
-use std::sync::Arc;
-use ui::{prelude::*, ButtonLike, Color, Icon, IconName, Tooltip};
-use workspace::Workspace;
-
-#[derive(Clone)]
-enum Status {
-    ActiveFile(String),
-    #[allow(dead_code)]
-    NoFile,
-}
-
-pub struct ActiveFileButton {
-    attachment_registry: Arc<AttachmentRegistry>,
-    status: Status,
-    #[allow(dead_code)]
-    workspace_subscription: Subscription,
-}
-
-impl ActiveFileButton {
-    pub fn new(
-        attachment_registry: Arc<AttachmentRegistry>,
-        workspace: View<Workspace>,
-        cx: &mut ViewContext<Self>,
-    ) -> Self {
-        let workspace_subscription = cx.subscribe(&workspace, Self::handle_workspace_event);
-
-        cx.defer(move |this, cx| this.update_active_buffer(workspace.clone(), cx));
-
-        Self {
-            attachment_registry,
-            status: Status::NoFile,
-            workspace_subscription,
-        }
-    }
-
-    pub fn set_enabled(&mut self, enabled: bool) {
-        self.attachment_registry
-            .set_attachment_tool_enabled::<ActiveEditorAttachmentTool>(enabled);
-    }
-
-    pub fn update_active_buffer(&mut self, workspace: View<Workspace>, cx: &mut ViewContext<Self>) {
-        let active_buffer = workspace
-            .read(cx)
-            .active_item(cx)
-            .and_then(|item| Some(item.act_as::<Editor>(cx)?.read(cx).buffer().clone()));
-
-        if let Some(buffer) = active_buffer {
-            let buffer = buffer.read(cx);
-
-            if let Some(singleton) = buffer.as_singleton() {
-                let singleton = singleton.read(cx);
-
-                let filename: String = singleton
-                    .file()
-                    .map(|file| file.path().to_string_lossy())
-                    .unwrap_or("Untitled".into())
-                    .into();
-
-                self.status = Status::ActiveFile(filename);
-            }
-        }
-    }
-
-    fn handle_workspace_event(
-        &mut self,
-        workspace: View<Workspace>,
-        event: &workspace::Event,
-        cx: &mut ViewContext<Self>,
-    ) {
-        if let workspace::Event::ActiveItemChanged = event {
-            self.update_active_buffer(workspace, cx);
-        }
-    }
-}
-
-impl Render for ActiveFileButton {
-    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
-        let is_enabled = self
-            .attachment_registry
-            .is_attachment_tool_enabled::<ActiveEditorAttachmentTool>();
-
-        let icon = if is_enabled {
-            Icon::new(IconName::File)
-                .size(IconSize::XSmall)
-                .color(Color::Default)
-        } else {
-            Icon::new(IconName::File)
-                .size(IconSize::XSmall)
-                .color(Color::Disabled)
-        };
-
-        let indicator = None;
-
-        let status = self.status.clone();
-
-        ButtonLike::new("active-file-button")
-            .child(
-                ui::IconWithIndicator::new(icon, indicator)
-                    .indicator_border_color(Some(gpui::transparent_black())),
-            )
-            .tooltip({
-                move |cx| {
-                    let status = status.clone();
-                    let (tooltip, meta) = match (is_enabled, status) {
-                        (false, _) => (
-                            "Active file disabled".to_string(),
-                            Some("Click to enable".to_string()),
-                        ),
-                        (true, Status::ActiveFile(filename)) => (
-                            format!("Active file {filename} enabled"),
-                            Some("Click to disable".to_string()),
-                        ),
-                        (true, Status::NoFile) => {
-                            ("No file active for conversation".to_string(), None)
-                        }
-                    };
-
-                    if let Some(meta) = meta {
-                        Tooltip::with_meta(tooltip, None, meta, cx)
-                    } else {
-                        Tooltip::text(tooltip, cx)
-                    }
-                }
-            })
-            .on_click(cx.listener(move |this, _, cx| {
-                this.set_enabled(!is_enabled);
-                cx.notify();
-            }))
-    }
-}
--- a/crates/assistant2/src/ui/chat_message.rs
+++ b/crates/assistant2/src/ui/chat_message.rs
@@ -1,140 +0,0 @@
-use std::sync::Arc;
-
-use client::User;
-use gpui::{hsla, AnyElement, ClickEvent};
-use ui::{prelude::*, Avatar, Tooltip};
-
-use crate::MessageId;
-
-pub enum UserOrAssistant {
-    User(Option<Arc<User>>),
-    Assistant,
-}
-
-#[derive(IntoElement)]
-pub struct ChatMessage {
-    id: MessageId,
-    player: UserOrAssistant,
-    messages: Vec<AnyElement>,
-    selected: bool,
-    collapsed: bool,
-    on_collapse_handle_click: Box<dyn Fn(&ClickEvent, &mut WindowContext) + 'static>,
-}
-
-impl ChatMessage {
-    pub fn new(
-        id: MessageId,
-        player: UserOrAssistant,
-        messages: Vec<AnyElement>,
-        collapsed: bool,
-        on_collapse_handle_click: Box<dyn Fn(&ClickEvent, &mut WindowContext) + 'static>,
-    ) -> Self {
-        Self {
-            id,
-            player,
-            messages,
-            selected: false,
-            collapsed,
-            on_collapse_handle_click,
-        }
-    }
-}
-
-impl Selectable for ChatMessage {
-    fn selected(mut self, selected: bool) -> Self {
-        self.selected = selected;
-        self
-    }
-}
-
-impl RenderOnce for ChatMessage {
-    fn render(self, cx: &mut WindowContext) -> impl IntoElement {
-        let message_group = SharedString::from(format!("{}_group", self.id.0));
-
-        let collapse_handle_id = SharedString::from(format!("{}_collapse_handle", self.id.0));
-
-        let content_padding = Spacing::Small.rems(cx);
-        // Clamp the message height to exactly 1.5 lines when collapsed.
-        let collapsed_height = content_padding.to_pixels(cx.rem_size()) + cx.line_height() * 1.5;
-
-        let background_color = if let UserOrAssistant::User(_) = &self.player {
-            Some(cx.theme().colors().surface_background)
-        } else {
-            None
-        };
-
-        let (username, avatar_uri) = match self.player {
-            UserOrAssistant::Assistant => (
-                "Assistant".into(),
-                Some("https://zed.dev/assistant_avatar.png".into()),
-            ),
-            UserOrAssistant::User(Some(user)) => {
-                (user.github_login.clone(), Some(user.avatar_uri.clone()))
-            }
-            UserOrAssistant::User(None) => ("You".into(), None),
-        };
-
-        v_flex()
-            .group(message_group.clone())
-            .gap(Spacing::XSmall.rems(cx))
-            .p(Spacing::XSmall.rems(cx))
-            .when(self.selected, |element| {
-                element.bg(hsla(0.6, 0.67, 0.46, 0.12))
-            })
-            .rounded_lg()
-            .child(
-                h_flex()
-                    .justify_between()
-                    .px(content_padding)
-                    .child(
-                        h_flex()
-                            .gap_2()
-                            .map(|this| {
-                                let avatar_size = rems_from_px(20.);
-                                if let Some(avatar_uri) = avatar_uri {
-                                    this.child(Avatar::new(avatar_uri).size(avatar_size))
-                                } else {
-                                    this.child(div().size(avatar_size))
-                                }
-                            })
-                            .child(Label::new(username).color(Color::Muted)),
-                    )
-                    .child(
-                        h_flex().visible_on_hover(message_group).child(
-                            // temp icons
-                            IconButton::new(
-                                collapse_handle_id.clone(),
-                                if self.collapsed {
-                                    IconName::ArrowUp
-                                } else {
-                                    IconName::ArrowDown
-                                },
-                            )
-                            .icon_size(IconSize::XSmall)
-                            .icon_color(Color::Muted)
-                            .on_click(self.on_collapse_handle_click)
-                            .tooltip(|cx| Tooltip::text("Collapse Message", cx)),
-                        ),
-                    ),
-            )
-            .when(self.messages.len() > 0, |el| {
-                el.child(
-                    h_flex().w_full().child(
-                        v_flex()
-                            .relative()
-                            .overflow_hidden()
-                            .w_full()
-                            .p(content_padding)
-                            .gap_3()
-                            .text_ui(cx)
-                            .rounded_lg()
-                            .when_some(background_color, |this, background_color| {
-                                this.bg(background_color)
-                            })
-                            .when(self.collapsed, |this| this.h(collapsed_height))
-                            .children(self.messages),
-                    ),
-                )
-            })
-    }
-}
--- a/crates/assistant2/src/ui/chat_notice.rs
+++ b/crates/assistant2/src/ui/chat_notice.rs
@@ -1,71 +0,0 @@
-use ui::{prelude::*, Avatar, IconButtonShape};
-
-#[derive(IntoElement)]
-pub struct ChatNotice {
-    message: SharedString,
-    meta: Option<SharedString>,
-}
-
-impl ChatNotice {
-    pub fn new(message: impl Into<SharedString>) -> Self {
-        Self {
-            message: message.into(),
-            meta: None,
-        }
-    }
-
-    pub fn meta(mut self, meta: impl Into<SharedString>) -> Self {
-        self.meta = Some(meta.into());
-        self
-    }
-}
-
-impl RenderOnce for ChatNotice {
-    fn render(self, _cx: &mut WindowContext) -> impl IntoElement {
-        h_flex()
-            .w_full()
-            .items_start()
-            .mt_4()
-            .gap_3()
-            .child(
-                // TODO: Replace with question mark.
-                Avatar::new("https://zed.dev/assistant_avatar.png").size(rems_from_px(20.)),
-            )
-            .child(
-                v_flex()
-                    .size_full()
-                    .gap_1()
-                    .pr_4()
-                    .overflow_hidden()
-                    .child(
-                        h_flex()
-                            .justify_between()
-                            .overflow_hidden()
-                            .child(
-                                h_flex()
-                                    .flex_none()
-                                    .overflow_hidden()
-                                    .child(Label::new(self.message)),
-                            )
-                            .child(
-                                h_flex()
-                                    .flex_shrink_0()
-                                    .gap_1()
-                                    .child(Button::new("allow", "Allow"))
-                                    .child(
-                                        IconButton::new("deny", IconName::Close)
-                                            .shape(IconButtonShape::Square)
-                                            .icon_color(Color::Muted)
-                                            .size(ButtonSize::None)
-                                            .icon_size(IconSize::XSmall),
-                                    ),
-                            ),
-                    )
-                    .children(
-                        self.meta.map(|meta| {
-                            Label::new(meta).size(LabelSize::Small).color(Color::Muted)
-                        }),
-                    ),
-            )
-    }
-}
--- a/crates/assistant2/src/ui/composer.rs
+++ b/crates/assistant2/src/ui/composer.rs
@@ -1,193 +0,0 @@
-use crate::{
-    ui::{ActiveFileButton, ProjectIndexButton},
-    AssistantChat, CompletionProvider,
-};
-use editor::{Editor, EditorElement, EditorStyle};
-use gpui::{AnyElement, FontStyle, FontWeight, ReadGlobal, TextStyle, View, WeakView, WhiteSpace};
-use settings::Settings;
-use theme::ThemeSettings;
-use ui::{popover_menu, prelude::*, ButtonLike, ContextMenu, Divider, TextSize, Tooltip};
-
-#[derive(IntoElement)]
-pub struct Composer {
-    editor: View<Editor>,
-    project_index_button: View<ProjectIndexButton>,
-    active_file_button: Option<View<ActiveFileButton>>,
-    model_selector: AnyElement,
-}
-
-impl Composer {
-    pub fn new(
-        editor: View<Editor>,
-        project_index_button: View<ProjectIndexButton>,
-        active_file_button: Option<View<ActiveFileButton>>,
-        model_selector: AnyElement,
-    ) -> Self {
-        Self {
-            editor,
-            project_index_button,
-            active_file_button,
-            model_selector,
-        }
-    }
-
-    fn render_tools(&mut self, _cx: &mut WindowContext) -> impl IntoElement {
-        h_flex().child(self.project_index_button.clone())
-    }
-
-    fn render_attachment_tools(&mut self, _cx: &mut WindowContext) -> impl IntoElement {
-        h_flex().children(
-            self.active_file_button
-                .clone()
-                .map(|view| view.into_any_element()),
-        )
-    }
-}
-
-impl RenderOnce for Composer {
-    fn render(mut self, cx: &mut WindowContext) -> impl IntoElement {
-        let font_size = TextSize::Default.rems(cx);
-        let line_height = font_size.to_pixels(cx.rem_size()) * 1.3;
-        let mut editor_border = cx.theme().colors().text;
-        editor_border.fade_out(0.90);
-
-        // Remove the extra 1px added by the border
-        let padding = Spacing::XLarge.rems(cx) - rems_from_px(1.);
-
-        h_flex()
-            .p(Spacing::Small.rems(cx))
-            .w_full()
-            .items_start()
-            .child(
-                v_flex()
-                    .w_full()
-                    .rounded_lg()
-                    .p(padding)
-                    .border_1()
-                    .border_color(editor_border)
-                    .bg(cx.theme().colors().editor_background)
-                    .child(
-                        v_flex()
-                            .justify_between()
-                            .w_full()
-                            .gap_2()
-                            .child({
-                                let settings = ThemeSettings::get_global(cx);
-                                let text_style = TextStyle {
-                                    color: cx.theme().colors().editor_foreground,
-                                    font_family: settings.buffer_font.family.clone(),
-                                    font_features: settings.buffer_font.features.clone(),
-                                    font_size: font_size.into(),
-                                    font_weight: FontWeight::NORMAL,
-                                    font_style: FontStyle::Normal,
-                                    line_height: line_height.into(),
-                                    background_color: None,
-                                    underline: None,
-                                    strikethrough: None,
-                                    white_space: WhiteSpace::Normal,
-                                };
-
-                                EditorElement::new(
-                                    &self.editor,
-                                    EditorStyle {
-                                        background: cx.theme().colors().editor_background,
-                                        local_player: cx.theme().players().local(),
-                                        text: text_style,
-                                        ..Default::default()
-                                    },
-                                )
-                            })
-                            .child(
-                                h_flex()
-                                    .flex_none()
-                                    .gap_2()
-                                    .justify_between()
-                                    .w_full()
-                                    .child(
-                                        h_flex().gap_1().child(
-                                            h_flex()
-                                                .gap_2()
-                                                .child(self.render_tools(cx))
-                                                .child(Divider::vertical())
-                                                .child(self.render_attachment_tools(cx)),
-                                        ),
-                                    )
-                                    .child(h_flex().gap_1().child(self.model_selector)),
-                            ),
-                    ),
-            )
-    }
-}
-
-#[derive(IntoElement)]
-pub struct ModelSelector {
-    assistant_chat: WeakView<AssistantChat>,
-    model: String,
-}
-
-impl ModelSelector {
-    pub fn new(assistant_chat: WeakView<AssistantChat>, model: String) -> Self {
-        Self {
-            assistant_chat,
-            model,
-        }
-    }
-}
-
-impl RenderOnce for ModelSelector {
-    fn render(self, _cx: &mut WindowContext) -> impl IntoElement {
-        popover_menu("model-switcher")
-            .menu(move |cx| {
-                ContextMenu::build(cx, |mut menu, cx| {
-                    for model in CompletionProvider::global(cx).available_models() {
-                        menu = menu.custom_entry(
-                            {
-                                let model = model.clone();
-                                move |_| Label::new(model.clone()).into_any_element()
-                            },
-                            {
-                                let assistant_chat = self.assistant_chat.clone();
-                                move |cx| {
-                                    _ = assistant_chat.update(cx, |assistant_chat, cx| {
-                                        assistant_chat.model.clone_from(&model);
-                                        cx.notify();
-                                    });
-                                }
-                            },
-                        );
-                    }
-                    menu
-                })
-                .into()
-            })
-            .trigger(
-                ButtonLike::new("active-model")
-                    .child(
-                        h_flex()
-                            .w_full()
-                            .gap_0p5()
-                            .child(
-                                div()
-                                    .overflow_x_hidden()
-                                    .flex_grow()
-                                    .whitespace_nowrap()
-                                    .child(
-                                        Label::new(self.model)
-                                            .size(LabelSize::Small)
-                                            .color(Color::Muted),
-                                    ),
-                            )
-                            .child(
-                                div().child(
-                                    Icon::new(IconName::ChevronDown)
-                                        .color(Color::Muted)
-                                        .size(IconSize::XSmall),
-                                ),
-                            ),
-                    )
-                    .style(ButtonStyle::Subtle)
-                    .tooltip(move |cx| Tooltip::text("Change Model", cx)),
-            )
-            .anchor(gpui::AnchorCorner::BottomRight)
-    }
-}
--- a/crates/assistant2/src/ui/project_index_button.rs
+++ b/crates/assistant2/src/ui/project_index_button.rs
@@ -1,112 +0,0 @@
-use assistant_tooling::ToolRegistry;
-use gpui::{percentage, prelude::*, Animation, AnimationExt, Model, Transformation};
-use semantic_index::{ProjectIndex, Status};
-use std::{sync::Arc, time::Duration};
-use ui::{prelude::*, ButtonLike, Color, Icon, IconName, Indicator, Tooltip};
-
-use crate::tools::ProjectIndexTool;
-
-pub struct ProjectIndexButton {
-    project_index: Model<ProjectIndex>,
-    tool_registry: Arc<ToolRegistry>,
-}
-
-impl ProjectIndexButton {
-    pub fn new(
-        project_index: Model<ProjectIndex>,
-        tool_registry: Arc<ToolRegistry>,
-        cx: &mut ViewContext<Self>,
-    ) -> Self {
-        cx.subscribe(&project_index, |_this, _, _status: &Status, cx| {
-            cx.notify();
-        })
-        .detach();
-        Self {
-            project_index,
-            tool_registry,
-        }
-    }
-
-    pub fn set_enabled(&mut self, enabled: bool) {
-        self.tool_registry
-            .set_tool_enabled::<ProjectIndexTool>(enabled);
-    }
-}
-
-impl Render for ProjectIndexButton {
-    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
-        let status = self.project_index.read(cx).status();
-        let is_enabled = self.tool_registry.is_tool_enabled::<ProjectIndexTool>();
-
-        let icon = if is_enabled {
-            match status {
-                Status::Idle => Icon::new(IconName::Code)
-                    .size(IconSize::XSmall)
-                    .color(Color::Default),
-                Status::Loading => Icon::new(IconName::Code)
-                    .size(IconSize::XSmall)
-                    .color(Color::Muted),
-                Status::Scanning { .. } => Icon::new(IconName::Code)
-                    .size(IconSize::XSmall)
-                    .color(Color::Muted),
-            }
-        } else {
-            Icon::new(IconName::Code)
-                .size(IconSize::XSmall)
-                .color(Color::Disabled)
-        };
-
-        let indicator = if is_enabled {
-            match status {
-                Status::Idle => Some(Indicator::dot().color(Color::Success)),
-                Status::Scanning { .. } => Some(Indicator::dot().color(Color::Warning)),
-                Status::Loading => Some(Indicator::icon(
-                    Icon::new(IconName::Spinner)
-                        .color(Color::Accent)
-                        .with_animation(
-                            "arrow-circle",
-                            Animation::new(Duration::from_secs(2)).repeat(),
-                            |icon, delta| icon.transform(Transformation::rotate(percentage(delta))),
-                        ),
-                )),
-            }
-        } else {
-            None
-        };
-
-        ButtonLike::new("project-index")
-            .child(
-                ui::IconWithIndicator::new(icon, indicator)
-                    .indicator_border_color(Some(gpui::transparent_black())),
-            )
-            .tooltip({
-                move |cx| {
-                    let (tooltip, meta) = match (is_enabled, status) {
-                        (false, _) => (
-                            "Project index disabled".to_string(),
-                            Some("Click to enable".to_string()),
-                        ),
-                        (_, Status::Idle) => (
-                            "Project index ready".to_string(),
-                            Some("Click to disable".to_string()),
-                        ),
-                        (_, Status::Loading) => ("Project index loading...".to_string(), None),
-                        (_, Status::Scanning { remaining_count }) => (
-                            "Project index scanning...".to_string(),
-                            Some(format!("{} remaining...", remaining_count)),
-                        ),
-                    };
-
-                    if let Some(meta) = meta {
-                        Tooltip::with_meta(tooltip, None, meta, cx)
-                    } else {
-                        Tooltip::text(tooltip, cx)
-                    }
-                }
-            })
-            .on_click(cx.listener(move |this, _, cx| {
-                this.set_enabled(!is_enabled);
-                cx.notify();
-            }))
-    }
-}
--- a/crates/assistant2/src/ui/stories.rs
+++ b/crates/assistant2/src/ui/stories.rs
@@ -1,5 +0,0 @@
-mod chat_message;
-mod chat_notice;
-
-pub use chat_message::*;
-pub use chat_notice::*;
--- a/crates/assistant2/src/ui/stories/chat_message.rs
+++ b/crates/assistant2/src/ui/stories/chat_message.rs
@@ -1,101 +0,0 @@
-use std::sync::Arc;
-
-use client::User;
-use story::{StoryContainer, StoryItem, StorySection};
-use ui::prelude::*;
-
-use crate::ui::{ChatMessage, UserOrAssistant};
-use crate::MessageId;
-
-pub struct ChatMessageStory;
-
-impl Render for ChatMessageStory {
-    fn render(&mut self, _cx: &mut ViewContext<Self>) -> impl IntoElement {
-        let user_1 = Arc::new(User {
-            id: 12345,
-            github_login: "iamnbutler".into(),
-            avatar_uri: "https://avatars.githubusercontent.com/u/1714999?v=4".into(),
-        });
-
-        StoryContainer::new(
-            "ChatMessage Story",
-            "crates/assistant2/src/ui/stories/chat_message.rs",
-        )
-        .child(
-            StorySection::new()
-                .child(StoryItem::new(
-                    "User chat message",
-                    ChatMessage::new(
-                        MessageId(0),
-                        UserOrAssistant::User(Some(user_1.clone())),
-                        vec![div().child("What can I do here?").into_any_element()],
-                        false,
-                        Box::new(|_, _| {}),
-                    ),
-                ))
-                .child(StoryItem::new(
-                    "User chat message (collapsed)",
-                    ChatMessage::new(
-                        MessageId(0),
-                        UserOrAssistant::User(Some(user_1.clone())),
-                        vec![div().child("What can I do here?").into_any_element()],
-                        true,
-                        Box::new(|_, _| {}),
-                    ),
-                )),
-        )
-        .child(
-            StorySection::new()
-                .child(StoryItem::new(
-                    "Assistant chat message",
-                    ChatMessage::new(
-                        MessageId(0),
-                        UserOrAssistant::Assistant,
-                        vec![div().child("You can talk to me!").into_any_element()],
-                        false,
-                        Box::new(|_, _| {}),
-                    ),
-                ))
-                .child(StoryItem::new(
-                    "Assistant chat message (collapsed)",
-                    ChatMessage::new(
-                        MessageId(0),
-                        UserOrAssistant::Assistant,
-                        vec![div().child(MULTI_LINE_MESSAGE).into_any_element()],
-                        true,
-                        Box::new(|_, _| {}),
-                    ),
-                )),
-        )
-        .child(
-            StorySection::new().child(StoryItem::new(
-                "Conversation between user and assistant",
-                v_flex()
-                    .gap_2()
-                    .child(ChatMessage::new(
-                        MessageId(0),
-                        UserOrAssistant::User(Some(user_1.clone())),
-                        vec![div().child("What is Rust??").into_any_element()],
-                        false,
-                        Box::new(|_, _| {}),
-                    ))
-                    .child(ChatMessage::new(
-                        MessageId(0),
-                        UserOrAssistant::Assistant,
-                        vec![div().child("Rust is a multi-paradigm programming language focused on performance and safety").into_any_element()],
-                        false,
-                        Box::new(|_, _| {}),
-                    ))
-                    .child(ChatMessage::new(
-                        MessageId(0),
-                        UserOrAssistant::User(Some(user_1)),
-                        vec![div().child("Sounds pretty cool!").into_any_element()],
-                        false,
-                        Box::new(|_, _| {}),
-                    )),
-            )),
-        )
-    }
-}
-
-const MULTI_LINE_MESSAGE: &str = "In 2010, the movies nominated for the 82nd Academy Awards, for films released in 2009, were as follows. Note that 2010 nominees were announced for the ceremony happening in that year, but they honor movies from the previous year";
--- a/crates/assistant2/src/ui/stories/chat_notice.rs
+++ b/crates/assistant2/src/ui/stories/chat_notice.rs
@@ -1,22 +0,0 @@
-use story::{StoryContainer, StoryItem, StorySection};
-use ui::prelude::*;
-
-use crate::ui::ChatNotice;
-
-pub struct ChatNoticeStory;
-
-impl Render for ChatNoticeStory {
-    fn render(&mut self, _cx: &mut ViewContext<Self>) -> impl IntoElement {
-        StoryContainer::new(
-            "ChatNotice Story",
-            "crates/assistant2/src/ui/stories/chat_notice.rs",
-        )
-        .child(
-            StorySection::new().child(StoryItem::new(
-                "Project index request",
-                ChatNotice::new("Allow assistant to index your project?")
-                    .meta("Enabling will allow responses more relevant to this project."),
-            )),
-        )
-    }
-}
--- a/crates/assistant_slash_command/Cargo.toml
+++ b/crates/assistant_slash_command/Cargo.toml
@@ -0,0 +1,21 @@
+[package]
+name = "assistant_slash_command"
+version = "0.1.0"
+edition = "2021"
+publish = false
+license = "GPL-3.0-or-later"
+
+[lints]
+workspace = true
+
+[lib]
+path = "src/assistant_slash_command.rs"
+
+[dependencies]
+anyhow.workspace = true
+collections.workspace = true
+derive_more.workspace = true
+gpui.workspace = true
+language.workspace = true
+parking_lot.workspace = true
+workspace.workspace = true
--- a/crates/assistant_slash_command/LICENSE-GPL
+++ b/crates/assistant_slash_command/LICENSE-GPL
--- a/crates/assistant_slash_command/src/assistant_slash_command.rs
+++ b/crates/assistant_slash_command/src/assistant_slash_command.rs
@@ -0,0 +1,61 @@
+mod slash_command_registry;
+
+use anyhow::Result;
+use gpui::{AnyElement, AppContext, ElementId, Task, WeakView, WindowContext};
+use language::{CodeLabel, LspAdapterDelegate};
+pub use slash_command_registry::*;
+use std::{
+    ops::Range,
+    sync::{atomic::AtomicBool, Arc},
+};
+use workspace::Workspace;
+
+pub fn init(cx: &mut AppContext) {
+    SlashCommandRegistry::default_global(cx);
+}
+
+pub trait SlashCommand: 'static + Send + Sync {
+    fn name(&self) -> String;
+    fn label(&self, _cx: &AppContext) -> CodeLabel {
+        CodeLabel::plain(self.name(), None)
+    }
+    fn description(&self) -> String;
+    fn menu_text(&self) -> String;
+    fn complete_argument(
+        &self,
+        query: String,
+        cancel: Arc<AtomicBool>,
+        workspace: WeakView<Workspace>,
+        cx: &mut AppContext,
+    ) -> Task<Result<Vec<String>>>;
+    fn requires_argument(&self) -> bool;
+    fn run(
+        self: Arc<Self>,
+        argument: Option<&str>,
+        workspace: WeakView<Workspace>,
+        // TODO: We're just using the `LspAdapterDelegate` here because that is
+        // what the extension API is already expecting.
+        //
+        // It may be that `LspAdapterDelegate` needs a more general name, or
+        // perhaps another kind of delegate is needed here.
+        delegate: Arc<dyn LspAdapterDelegate>,
+        cx: &mut WindowContext,
+    ) -> Task<Result<SlashCommandOutput>>;
+}
+
+pub type RenderFoldPlaceholder = Arc<
+    dyn Send
+        + Sync
+        + Fn(ElementId, Arc<dyn Fn(&mut WindowContext)>, &mut WindowContext) -> AnyElement,
+>;
+
+pub struct SlashCommandOutput {
+    pub text: String,
+    pub sections: Vec<SlashCommandOutputSection<usize>>,
+}
+
+#[derive(Clone)]
+pub struct SlashCommandOutputSection<T> {
+    pub range: Range<T>,
+    pub render_placeholder: RenderFoldPlaceholder,
+}
--- a/crates/assistant_slash_command/src/slash_command_registry.rs
+++ b/crates/assistant_slash_command/src/slash_command_registry.rs
@@ -0,0 +1,78 @@
+use std::sync::Arc;
+
+use collections::{BTreeSet, HashMap};
+use derive_more::{Deref, DerefMut};
+use gpui::Global;
+use gpui::{AppContext, ReadGlobal};
+use parking_lot::RwLock;
+
+use crate::SlashCommand;
+
+#[derive(Default, Deref, DerefMut)]
+struct GlobalSlashCommandRegistry(Arc<SlashCommandRegistry>);
+
+impl Global for GlobalSlashCommandRegistry {}
+
+#[derive(Default)]
+struct SlashCommandRegistryState {
+    commands: HashMap<Arc<str>, Arc<dyn SlashCommand>>,
+    featured_commands: BTreeSet<Arc<str>>,
+}
+
+#[derive(Default)]
+pub struct SlashCommandRegistry {
+    state: RwLock<SlashCommandRegistryState>,
+}
+
+impl SlashCommandRegistry {
+    /// Returns the global [`SlashCommandRegistry`].
+    pub fn global(cx: &AppContext) -> Arc<Self> {
+        GlobalSlashCommandRegistry::global(cx).0.clone()
+    }
+
+    /// Returns the global [`SlashCommandRegistry`].
+    ///
+    /// Inserts a default [`SlashCommandRegistry`] if one does not yet exist.
+    pub fn default_global(cx: &mut AppContext) -> Arc<Self> {
+        cx.default_global::<GlobalSlashCommandRegistry>().0.clone()
+    }
+
+    pub fn new() -> Arc<Self> {
+        Arc::new(Self {
+            state: RwLock::new(SlashCommandRegistryState {
+                commands: HashMap::default(),
+                featured_commands: BTreeSet::default(),
+            }),
+        })
+    }
+
+    /// Registers the provided [`SlashCommand`].
+    pub fn register_command(&self, command: impl SlashCommand, is_featured: bool) {
+        let mut state = self.state.write();
+        let command_name: Arc<str> = command.name().into();
+        if is_featured {
+            state.featured_commands.insert(command_name.clone());
+        }
+        state.commands.insert(command_name, Arc::new(command));
+    }
+
+    /// Returns the names of registered [`SlashCommand`]s.
+    pub fn command_names(&self) -> Vec<Arc<str>> {
+        self.state.read().commands.keys().cloned().collect()
+    }
+
+    /// Returns the names of registered, featured [`SlashCommand`]s.
+    pub fn featured_command_names(&self) -> Vec<Arc<str>> {
+        self.state
+            .read()
+            .featured_commands
+            .iter()
+            .cloned()
+            .collect()
+    }
+
+    /// Returns the [`SlashCommand`] with the given name.
+    pub fn command(&self, name: &str) -> Option<Arc<dyn SlashCommand>> {
+        self.state.read().commands.get(name).cloned()
+    }
+}
--- a/crates/audio/src/assets.rs
+++ b/crates/audio/src/assets.rs
@@ -41,7 +41,12 @@ impl SoundRegistry {
        }

        let path = format!("sounds/{}.wav", name);
-        let bytes = self.assets.load(&path)?.into_owned();
+        let bytes = self
+            .assets
+            .load(&path)?
+            .map(|asset| Ok(asset))
+            .unwrap_or_else(|| Err(anyhow::anyhow!("No such asset available")))?
+            .into_owned();
        let cursor = Cursor::new(bytes);
        let source = Decoder::new(cursor)?.convert_samples::<f32>().buffered();

--- a/crates/auto_update/src/auto_update.rs
+++ b/crates/auto_update/src/auto_update.rs
@@ -237,8 +237,9 @@ fn view_release_notes_locally(workspace: &mut Workspace, cx: &mut ViewContext<Wo
                            let buffer = cx.new_model(|cx| MultiBuffer::singleton(buffer, cx));

                            let tab_description = SharedString::from(body.title.to_string());
-                            let editor = cx
-                                .new_view(|cx| Editor::for_multibuffer(buffer, Some(project), cx));
+                            let editor = cx.new_view(|cx| {
+                                Editor::for_multibuffer(buffer, Some(project), true, cx)
+                            });
                            let workspace_handle = workspace.weak_handle();
                            let view: View<MarkdownPreviewView> = MarkdownPreviewView::new(
                                MarkdownPreviewMode::Default,
@@ -341,6 +342,16 @@ impl AutoUpdater {
    }

    async fn update(this: Model<Self>, mut cx: AsyncAppContext) -> Result<()> {
+        // Skip auto-update for flatpaks
+        #[cfg(target_os = "linux")]
+        if matches!(std::env::var("ZED_IS_FLATPAK_INSTALL"), Ok(_)) {
+            this.update(&mut cx, |this, cx| {
+                this.status = AutoUpdateStatus::Idle;
+                cx.notify();
+            })?;
+            return Ok(());
+        }
+
        let (client, current_version) = this.read_with(&cx, |this, _| {
            (this.http_client.clone(), this.current_version)
        })?;
--- a/crates/channel/src/channel_store.rs
+++ b/crates/channel/src/channel_store.rs
@@ -62,6 +62,7 @@ pub struct ChannelStore {
    opened_buffers: HashMap<ChannelId, OpenedModelHandle<ChannelBuffer>>,
    opened_chats: HashMap<ChannelId, OpenedModelHandle<ChannelChat>>,
    client: Arc<Client>,
+    did_subscribe: bool,
    user_store: Model<UserStore>,
    _rpc_subscriptions: [Subscription; 2],
    _watch_connection_status: Task<Option<()>>,
@@ -243,6 +244,20 @@ impl ChannelStore {
                .log_err();
            }),
            channel_states: Default::default(),
+            did_subscribe: false,
+        }
+    }
+
+    pub fn initialize(&mut self) {
+        if !self.did_subscribe {
+            if self
+                .client
+                .send(proto::SubscribeToChannels {})
+                .log_err()
+                .is_some()
+            {
+                self.did_subscribe = true;
+            }
        }
    }

@@ -1035,7 +1050,7 @@ impl ChannelStore {

    fn handle_disconnect(&mut self, wait_for_reconnect: bool, cx: &mut ModelContext<Self>) {
        cx.notify();
-
+        self.did_subscribe = false;
        self.disconnect_channel_buffers_task.get_or_insert_with(|| {
            cx.spawn(move |this, mut cx| async move {
                if wait_for_reconnect {
--- a/crates/cli/src/main.rs
+++ b/crates/cli/src/main.rs
@@ -60,6 +60,13 @@ fn parse_path_with_position(
 }

 fn main() -> Result<()> {
+    // Exit flatpak sandbox if needed
+    #[cfg(target_os = "linux")]
+    {
+        flatpak::try_restart_to_host();
+        flatpak::ld_extra_libs();
+    }
+
    // Intercept version designators
    #[cfg(target_os = "macos")]
    if let Some(channel) = std::env::args().nth(1).filter(|arg| arg.starts_with("--")) {
@@ -72,6 +79,9 @@ fn main() -> Result<()> {
    }
    let args = Args::parse();

+    #[cfg(target_os = "linux")]
+    let args = flatpak::set_bin_if_no_escape(args);
+
    let app = Detect::detect(args.zed.as_deref()).context("Bundle detection")?;

    if args.version {
@@ -275,6 +285,114 @@ mod linux {
    }
 }

+#[cfg(target_os = "linux")]
+mod flatpak {
+    use std::ffi::OsString;
+    use std::path::PathBuf;
+    use std::process::Command;
+    use std::{env, process};
+
+    const EXTRA_LIB_ENV_NAME: &'static str = "ZED_FLATPAK_LIB_PATH";
+    const NO_ESCAPE_ENV_NAME: &'static str = "ZED_FLATPAK_NO_ESCAPE";
+
+    /// Adds bundled libraries to LD_LIBRARY_PATH if running under flatpak
+    pub fn ld_extra_libs() {
+        let mut paths = if let Ok(paths) = env::var("LD_LIBRARY_PATH") {
+            env::split_paths(&paths).collect()
+        } else {
+            Vec::new()
+        };
+
+        if let Ok(extra_path) = env::var(EXTRA_LIB_ENV_NAME) {
+            paths.push(extra_path.into());
+        }
+
+        env::set_var("LD_LIBRARY_PATH", env::join_paths(paths).unwrap());
+    }
+
+    /// Restarts outside of the sandbox if currently running within it
+    pub fn try_restart_to_host() {
+        if let Some(flatpak_dir) = get_flatpak_dir() {
+            let mut args = vec!["/usr/bin/flatpak-spawn".into(), "--host".into()];
+            args.append(&mut get_xdg_env_args());
+            args.push("--env=ZED_IS_FLATPAK_INSTALL=1".into());
+            args.push(
+                format!(
+                    "--env={EXTRA_LIB_ENV_NAME}={}",
+                    flatpak_dir.join("lib").to_str().unwrap()
+                )
+                .into(),
+            );
+            args.push(flatpak_dir.join("bin").join("zed").into());
+
+            let mut is_app_location_set = false;
+            for arg in &env::args_os().collect::<Vec<_>>()[1..] {
+                args.push(arg.clone());
+                is_app_location_set |= arg == "--zed";
+            }
+
+            if !is_app_location_set {
+                args.push("--zed".into());
+                args.push(flatpak_dir.join("bin").join("zed-app").into());
+            }
+
+            let error = exec::execvp("/usr/bin/flatpak-spawn", args);
+            eprintln!("failed restart cli on host: {:?}", error);
+            process::exit(1);
+        }
+    }
+
+    pub fn set_bin_if_no_escape(mut args: super::Args) -> super::Args {
+        if env::var(NO_ESCAPE_ENV_NAME).is_ok()
+            && env::var("FLATPAK_ID").map_or(false, |id| id.starts_with("dev.zed.Zed"))
+        {
+            if args.zed.is_none() {
+                args.zed = Some("/app/bin/zed-app".into());
+                env::set_var("ZED_IS_FLATPAK_INSTALL", "1");
+            }
+        }
+        args
+    }
+
+    fn get_flatpak_dir() -> Option<PathBuf> {
+        if env::var(NO_ESCAPE_ENV_NAME).is_ok() {
+            return None;
+        }
+
+        if let Ok(flatpak_id) = env::var("FLATPAK_ID") {
+            if !flatpak_id.starts_with("dev.zed.Zed") {
+                return None;
+            }
+
+            let install_dir = Command::new("/usr/bin/flatpak-spawn")
+                .arg("--host")
+                .arg("flatpak")
+                .arg("info")
+                .arg("--show-location")
+                .arg(flatpak_id)
+                .output()
+                .unwrap();
+            let install_dir = PathBuf::from(String::from_utf8(install_dir.stdout).unwrap().trim());
+            Some(install_dir.join("files"))
+        } else {
+            None
+        }
+    }
+
+    fn get_xdg_env_args() -> Vec<OsString> {
+        let xdg_keys = [
+            "XDG_DATA_HOME",
+            "XDG_CONFIG_HOME",
+            "XDG_CACHE_HOME",
+            "XDG_STATE_HOME",
+        ];
+        env::vars()
+            .filter(|(key, _)| xdg_keys.contains(&key.as_str()))
+            .map(|(key, val)| format!("--env=FLATPAK_{}={}", key, val).into())
+            .collect()
+    }
+}
+
 // todo("windows")
 #[cfg(target_os = "windows")]
 mod windows {
--- a/crates/client/src/client.rs
+++ b/crates/client/src/client.rs
@@ -84,7 +84,8 @@ lazy_static! {
        std::env::var("ZED_ALWAYS_ACTIVE").map_or(false, |e| !e.is_empty());
 }

-pub const INITIAL_RECONNECTION_DELAY: Duration = Duration::from_millis(100);
+pub const INITIAL_RECONNECTION_DELAY: Duration = Duration::from_millis(500);
+pub const MAX_RECONNECTION_DELAY: Duration = Duration::from_secs(10);
 pub const CONNECTION_TIMEOUT: Duration = Duration::from_secs(20);

 actions!(client, [SignIn, SignOut, Reconnect]);
@@ -287,7 +288,6 @@ struct ClientState {
    status: (watch::Sender<Status>, watch::Receiver<Status>),
    entity_id_extractors: HashMap<TypeId, fn(&dyn AnyTypedEnvelope) -> u64>,
    _reconnect_task: Option<Task<()>>,
-    reconnect_interval: Duration,
    entities_by_type_and_remote_id: HashMap<(TypeId, u64), WeakSubscriber>,
    models_by_message_type: HashMap<TypeId, AnyWeakModel>,
    entity_types_by_message_type: HashMap<TypeId, TypeId>,
@@ -363,7 +363,6 @@ impl Default for ClientState {
            status: watch::channel_with(Status::SignedOut),
            entity_id_extractors: Default::default(),
            _reconnect_task: None,
-            reconnect_interval: Duration::from_secs(5),
            models_by_message_type: Default::default(),
            entities_by_type_and_remote_id: Default::default(),
            entity_types_by_message_type: Default::default(),
@@ -623,7 +622,6 @@ impl Client {
            }
            Status::ConnectionLost => {
                let this = self.clone();
-                let reconnect_interval = state.reconnect_interval;
                state._reconnect_task = Some(cx.spawn(move |cx| async move {
                    #[cfg(any(test, feature = "test-support"))]
                    let mut rng = StdRng::seed_from_u64(0);
@@ -642,8 +640,9 @@ impl Client {
                            );
                            cx.background_executor().timer(delay).await;
                            delay = delay
-                                .mul_f32(rng.gen_range(1.0..=2.0))
-                                .min(reconnect_interval);
+                                .mul_f32(rng.gen_range(0.5..=2.5))
+                                .max(INITIAL_RECONNECTION_DELAY)
+                                .min(MAX_RECONNECTION_DELAY);
                        } else {
                            break;
                        }
--- a/crates/client/src/user.rs
+++ b/crates/client/src/user.rs
@@ -192,10 +192,13 @@ impl UserStore {

                                cx.update(|cx| {
                                    if let Some(info) = info {
-                                        cx.update_flags(info.staff, info.flags);
+                                        let disable_staff = std::env::var("ZED_DISABLE_STAFF")
+                                            .map_or(false, |v| v != "" && v != "0");
+                                        let staff = info.staff && !disable_staff;
+                                        cx.update_flags(staff, info.flags);
                                        client.telemetry.set_authenticated_user_info(
                                            Some(info.metrics_id.clone()),
-                                            info.staff,
+                                            staff,
                                        )
                                    }
                                })?;
--- a/crates/collab/k8s/collab.template.yml
+++ b/crates/collab/k8s/collab.template.yml
@@ -172,6 +172,8 @@ spec:
                secretKeyRef:
                  name: slack
                  key: panics_webhook
+            - name: COMPLETE_WITH_LANGUAGE_MODEL_RATE_LIMIT_PER_HOUR
+              value: "1000"
            - name: SUPERMAVEN_ADMIN_API_KEY
              valueFrom:
                secretKeyRef:
--- a/crates/collab/src/db.rs
+++ b/crates/collab/src/db.rs
@@ -654,6 +654,7 @@ pub struct ChannelsForUser {
    pub channel_memberships: Vec<channel_member::Model>,
    pub channel_participants: HashMap<ChannelId, Vec<UserId>>,
    pub hosted_projects: Vec<proto::HostedProject>,
+    pub invited_channels: Vec<Channel>,

    pub observed_buffer_versions: Vec<proto::ChannelBufferVersion>,
    pub observed_channel_messages: Vec<proto::ChannelMessageId>,
--- a/crates/collab/src/db/queries/channels.rs
+++ b/crates/collab/src/db/queries/channels.rs
@@ -416,7 +416,9 @@ impl Database {
        user_id: UserId,
        tx: &DatabaseTransaction,
    ) -> Result<MembershipUpdated> {
-        let new_channels = self.get_user_channels(user_id, Some(channel), tx).await?;
+        let new_channels = self
+            .get_user_channels(user_id, Some(channel), false, tx)
+            .await?;
        let removed_channels = self
            .get_channel_descendants_excluding_self([channel], tx)
            .await?
@@ -481,44 +483,10 @@ impl Database {
        .await
    }

-    /// Returns all channel invites for the user with the given ID.
-    pub async fn get_channel_invites_for_user(&self, user_id: UserId) -> Result<Vec<Channel>> {
-        self.transaction(|tx| async move {
-            let mut role_for_channel: HashMap<ChannelId, ChannelRole> = HashMap::default();
-
-            let channel_invites = channel_member::Entity::find()
-                .filter(
-                    channel_member::Column::UserId
-                        .eq(user_id)
-                        .and(channel_member::Column::Accepted.eq(false)),
-                )
-                .all(&*tx)
-                .await?;
-
-            for invite in channel_invites {
-                role_for_channel.insert(invite.channel_id, invite.role);
-            }
-
-            let channels = channel::Entity::find()
-                .filter(channel::Column::Id.is_in(role_for_channel.keys().copied()))
-                .all(&*tx)
-                .await?;
-
-            let channels = channels.into_iter().map(Channel::from_model).collect();
-
-            Ok(channels)
-        })
-        .await
-    }
-
    /// Returns all channels for the user with the given ID.
    pub async fn get_channels_for_user(&self, user_id: UserId) -> Result<ChannelsForUser> {
-        self.transaction(|tx| async move {
-            let tx = tx;
-
-            self.get_user_channels(user_id, None, &tx).await
-        })
-        .await
+        self.transaction(|tx| async move { self.get_user_channels(user_id, None, true, &tx).await })
+            .await
    }

    /// Returns all channels for the user with the given ID that are descendants
@@ -527,25 +495,37 @@ impl Database {
        &self,
        user_id: UserId,
        ancestor_channel: Option<&channel::Model>,
+        include_invites: bool,
        tx: &DatabaseTransaction,
    ) -> Result<ChannelsForUser> {
-        let mut filter = channel_member::Column::UserId
-            .eq(user_id)
-            .and(channel_member::Column::Accepted.eq(true));
-
+        let mut filter = channel_member::Column::UserId.eq(user_id);
+        if !include_invites {
+            filter = filter.and(channel_member::Column::Accepted.eq(true))
+        }
        if let Some(ancestor) = ancestor_channel {
            filter = filter.and(channel_member::Column::ChannelId.eq(ancestor.root_id()));
        }

-        let channel_memberships = channel_member::Entity::find()
+        let mut channels = Vec::<channel::Model>::new();
+        let mut invited_channels = Vec::<Channel>::new();
+        let mut channel_memberships = Vec::<channel_member::Model>::new();
+        let mut rows = channel_member::Entity::find()
            .filter(filter)
-            .all(tx)
-            .await?;
-
-        let channels = channel::Entity::find()
-            .filter(channel::Column::Id.is_in(channel_memberships.iter().map(|m| m.channel_id)))
-            .all(tx)
+            .inner_join(channel::Entity)
+            .select_also(channel::Entity)
+            .stream(tx)
            .await?;
+        while let Some(row) = rows.next().await {
+            if let (membership, Some(channel)) = row? {
+                if membership.accepted {
+                    channel_memberships.push(membership);
+                    channels.push(channel);
+                } else {
+                    invited_channels.push(Channel::from_model(channel));
+                }
+            }
+        }
+        drop(rows);

        let mut descendants = self
            .get_channel_descendants_excluding_self(channels.iter(), tx)
@@ -643,6 +623,7 @@ impl Database {
        Ok(ChannelsForUser {
            channel_memberships,
            channels,
+            invited_channels,
            hosted_projects,
            channel_participants,
            latest_buffer_versions,
@@ -713,7 +694,7 @@ impl Database {
                    .find_also_related(user::Entity)
                    .filter(channel_member::Column::ChannelId.eq(channel.root_id()));

-                if cfg!(any(test, sqlite)) && self.pool.get_database_backend() == DbBackend::Sqlite {
+                if cfg!(any(test, feature = "sqlite")) && self.pool.get_database_backend() == DbBackend::Sqlite {
                    query = query.filter(Expr::cust_with_values(
                        "UPPER(github_login) LIKE ?",
                        [Self::fuzzy_like_string(&filter.to_uppercase())],
--- a/crates/collab/src/db/queries/projects.rs
+++ b/crates/collab/src/db/queries/projects.rs
@@ -66,6 +66,16 @@ impl Database {
                    .await?
                    .ok_or_else(|| anyhow!("no remote project"))?;

+                let (_, dev_server) = dev_server_project::Entity::find_by_id(dev_server_project_id)
+                    .find_also_related(dev_server::Entity)
+                    .one(&*tx)
+                    .await?
+                    .ok_or_else(|| anyhow!("no dev_server_project"))?;
+
+                if !dev_server.is_some_and(|dev_server| dev_server.user_id == participant.user_id) {
+                    return Err(anyhow!("not your dev server"))?;
+                }
+
                if project.room_id.is_some() {
                    return Err(anyhow!("project already shared"))?;
                };
@@ -77,7 +87,6 @@ impl Database {
                .exec(&*tx)
                .await?;

-                // todo! check user is a project-collaborator
                let room = self.get_room(room_id, &tx).await?;
                return Ok((project.id, room));
            }
@@ -1092,6 +1101,36 @@ impl Database {
        .map(|guard| guard.into_inner())
    }

+    /// Returns the host connection for a request to join a shared project.
+    pub async fn host_for_owner_project_request(
+        &self,
+        project_id: ProjectId,
+        _connection_id: ConnectionId,
+        user_id: UserId,
+    ) -> Result<ConnectionId> {
+        self.project_transaction(project_id, |tx| async move {
+            let (project, dev_server_project) = project::Entity::find_by_id(project_id)
+                .find_also_related(dev_server_project::Entity)
+                .one(&*tx)
+                .await?
+                .ok_or_else(|| anyhow!("no such project"))?;
+
+            let Some(dev_server_project) = dev_server_project else {
+                return Err(anyhow!("not a dev server project"))?;
+            };
+            let dev_server = dev_server::Entity::find_by_id(dev_server_project.dev_server_id)
+                .one(&*tx)
+                .await?
+                .ok_or_else(|| anyhow!("no such dev server"))?;
+            if dev_server.user_id != user_id {
+                return Err(anyhow!("not your project"))?;
+            }
+            project.host_connection()
+        })
+        .await
+        .map(|guard| guard.into_inner())
+    }
+
    pub async fn connections_for_buffer_update(
        &self,
        project_id: ProjectId,
--- a/crates/collab/src/db/tests/channel_tests.rs
+++ b/crates/collab/src/db/tests/channel_tests.rs
@@ -176,23 +176,23 @@ async fn test_channel_invites(db: &Arc<Database>) {
        .unwrap();

    let user_2_invites = db
-        .get_channel_invites_for_user(user_2) // -> [channel_1_1, channel_1_2]
+        .get_channels_for_user(user_2)
        .await
        .unwrap()
+        .invited_channels
        .into_iter()
        .map(|channel| channel.id)
        .collect::<Vec<_>>();
-
    assert_eq!(user_2_invites, &[channel_1_1, channel_1_2]);

    let user_3_invites = db
-        .get_channel_invites_for_user(user_3) // -> [channel_1_1]
+        .get_channels_for_user(user_3)
        .await
        .unwrap()
+        .invited_channels
        .into_iter()
        .map(|channel| channel.id)
        .collect::<Vec<_>>();
-
    assert_eq!(user_3_invites, &[channel_1_1]);

    let (mut members, _) = db
--- a/crates/collab/src/rate_limiter.rs
+++ b/crates/collab/src/rate_limiter.rs
@@ -62,7 +62,7 @@ impl RateLimiter {
        let mut bucket = self
            .buckets
            .entry(bucket_key.clone())
-            .or_insert_with(|| RateBucket::new(T::capacity(), T::refill_duration(), now));
+            .or_insert_with(|| RateBucket::new::<T>(now));

        if bucket.value_mut().allow(now) {
            self.dirty_buckets.insert(bucket_key);
@@ -72,19 +72,19 @@ impl RateLimiter {
        }
    }

-    async fn load_bucket<K: RateLimit>(
+    async fn load_bucket<T: RateLimit>(
        &self,
        user_id: UserId,
    ) -> Result<Option<RateBucket>, Error> {
        Ok(self
            .db
-            .get_rate_bucket(user_id, K::db_name())
+            .get_rate_bucket(user_id, T::db_name())
            .await?
-            .map(|saved_bucket| RateBucket {
-                capacity: K::capacity(),
-                refill_time_per_token: K::refill_duration(),
-                token_count: saved_bucket.token_count as usize,
-                last_refill: DateTime::from_naive_utc_and_offset(saved_bucket.last_refill, Utc),
+            .map(|saved_bucket| {
+                RateBucket::from_db::<T>(
+                    saved_bucket.token_count as usize,
+                    DateTime::from_naive_utc_and_offset(saved_bucket.last_refill, Utc),
+                )
            }))
    }

@@ -124,15 +124,24 @@ struct RateBucket {
 }

 impl RateBucket {
-    fn new(capacity: usize, refill_duration: Duration, now: DateTimeUtc) -> Self {
-        RateBucket {
-            capacity,
-            token_count: capacity,
-            refill_time_per_token: refill_duration / capacity as i32,
+    fn new<T: RateLimit>(now: DateTimeUtc) -> Self {
+        Self {
+            capacity: T::capacity(),
+            token_count: T::capacity(),
+            refill_time_per_token: T::refill_duration() / T::capacity() as i32,
            last_refill: now,
        }
    }

+    fn from_db<T: RateLimit>(token_count: usize, last_refill: DateTimeUtc) -> Self {
+        Self {
+            capacity: T::capacity(),
+            token_count,
+            refill_time_per_token: T::refill_duration() / T::capacity() as i32,
+            last_refill,
+        }
+    }
+
    fn allow(&mut self, now: DateTimeUtc) -> bool {
        self.refill(now);
        if self.token_count > 0 {
@@ -148,9 +157,12 @@ impl RateBucket {
        if elapsed >= self.refill_time_per_token {
            let new_tokens =
                elapsed.num_milliseconds() / self.refill_time_per_token.num_milliseconds();
-
            self.token_count = (self.token_count + new_tokens as usize).min(self.capacity);
-            self.last_refill = now;
+
+            let unused_refill_time = Duration::milliseconds(
+                elapsed.num_milliseconds() % self.refill_time_per_token.num_milliseconds(),
+            );
+            self.last_refill = now - unused_refill_time;
        }
    }
 }
@@ -218,8 +230,19 @@ mod tests {
            .await
            .unwrap();

-        // After one second, user 1 can make another request before being rate-limited again.
-        now += Duration::seconds(1);
+        // After 1.5s, user 1 can make another request before being rate-limited again.
+        now += Duration::milliseconds(1500);
+        rate_limiter
+            .check_internal::<RateLimitA>(user_1, now)
+            .await
+            .unwrap();
+        rate_limiter
+            .check_internal::<RateLimitA>(user_1, now)
+            .await
+            .unwrap_err();
+
+        // After 500ms, user 1 can make another request before being rate-limited again.
+        now += Duration::milliseconds(500);
        rate_limiter
            .check_internal::<RateLimitA>(user_1, now)
            .await
@@ -238,6 +261,17 @@ mod tests {
            .check_internal::<RateLimitA>(user_1, now)
            .await
            .unwrap_err();
+
+        // After 1s, user 1 can make another request before being rate-limited again.
+        now += Duration::seconds(1);
+        rate_limiter
+            .check_internal::<RateLimitA>(user_1, now)
+            .await
+            .unwrap();
+        rate_limiter
+            .check_internal::<RateLimitA>(user_1, now)
+            .await
+            .unwrap_err();
    }

    struct RateLimitA;
--- a/crates/collab/src/rpc.rs
+++ b/crates/collab/src/rpc.rs
@@ -446,6 +446,12 @@ impl Server {
            .add_message_handler(update_language_server)
            .add_message_handler(update_diagnostic_summary)
            .add_message_handler(update_worktree_settings)
+            .add_request_handler(user_handler(
+                forward_project_request_for_owner::<proto::TaskContextForLocation>,
+            ))
+            .add_request_handler(user_handler(
+                forward_project_request_for_owner::<proto::TaskTemplates>,
+            ))
            .add_request_handler(user_handler(
                forward_read_only_project_request::<proto::GetHover>,
            ))
@@ -551,6 +557,7 @@ impl Server {
            .add_request_handler(user_handler(request_contact))
            .add_request_handler(user_handler(remove_contact))
            .add_request_handler(user_handler(respond_to_contact_request))
+            .add_message_handler(subscribe_to_channels)
            .add_request_handler(user_handler(create_channel))
            .add_request_handler(user_handler(delete_channel))
            .add_request_handler(user_handler(invite_channel_member))
@@ -1099,34 +1106,25 @@ impl Server {
                        .await?;
                }

-                let (contacts, channels_for_user, channel_invites, dev_server_projects) =
-                    future::try_join4(
-                        self.app_state.db.get_contacts(user.id),
-                        self.app_state.db.get_channels_for_user(user.id),
-                        self.app_state.db.get_channel_invites_for_user(user.id),
-                        self.app_state.db.dev_server_projects_update(user.id),
-                    )
-                    .await?;
+                let (contacts, dev_server_projects) = future::try_join(
+                    self.app_state.db.get_contacts(user.id),
+                    self.app_state.db.dev_server_projects_update(user.id),
+                )
+                .await?;

                {
                    let mut pool = self.connection_pool.lock();
                    pool.add_connection(connection_id, user.id, user.admin, zed_version);
-                    for membership in &channels_for_user.channel_memberships {
-                        pool.subscribe_to_channel(user.id, membership.channel_id, membership.role)
-                    }
                    self.peer.send(
                        connection_id,
                        build_initial_contacts_update(contacts, &pool),
                    )?;
-                    self.peer.send(
-                        connection_id,
-                        build_update_user_channels(&channels_for_user),
-                    )?;
-                    self.peer.send(
-                        connection_id,
-                        build_channels_update(channels_for_user, channel_invites),
-                    )?;
                }
+
+                if should_auto_subscribe_to_channels(zed_version) {
+                    subscribe_user_to_channels(user.id, session).await?;
+                }
+
                send_dev_server_projects_update(user.id, dev_server_projects, session).await;

                if let Some(incoming_call) =
@@ -1140,8 +1138,17 @@ impl Server {
            Principal::DevServer(dev_server) => {
                {
                    let mut pool = self.connection_pool.lock();
-                    if pool.dev_server_connection_id(dev_server.id).is_some() {
-                        return Err(anyhow!(ErrorCode::DevServerAlreadyOnline))?;
+                    if let Some(stale_connection_id) = pool.dev_server_connection_id(dev_server.id)
+                    {
+                        self.peer.send(
+                            stale_connection_id,
+                            proto::ShutdownDevServer {
+                                reason: Some(
+                                    "another dev server connected with the same token".to_string(),
+                                ),
+                            },
+                        )?;
+                        pool.remove_connection(stale_connection_id)?;
                    };
                    pool.add_dev_server(connection_id, dev_server.id, zed_version);
                }
@@ -2398,9 +2405,12 @@ async fn regenerate_dev_server_token(
        .dev_server_connection_id(dev_server_id);
    if let Some(connection_id) = connection_id {
        shutdown_dev_server_internal(dev_server_id, connection_id, &session).await?;
-        session
-            .peer
-            .send(connection_id, proto::ShutdownDevServer {})?;
+        session.peer.send(
+            connection_id,
+            proto::ShutdownDevServer {
+                reason: Some("dev server token was regenerated".to_string()),
+            },
+        )?;
        let _ = remove_dev_server_connection(dev_server_id, &session).await;
    }

@@ -2470,9 +2480,12 @@ async fn delete_dev_server(
        .dev_server_connection_id(dev_server_id);
    if let Some(connection_id) = connection_id {
        shutdown_dev_server_internal(dev_server_id, connection_id, &session).await?;
-        session
-            .peer
-            .send(connection_id, proto::ShutdownDevServer {})?;
+        session.peer.send(
+            connection_id,
+            proto::ShutdownDevServer {
+                reason: Some("dev server was deleted".to_string()),
+            },
+        )?;
        let _ = remove_dev_server_connection(dev_server_id, &session).await;
    }

@@ -2874,6 +2887,31 @@ where
    Ok(())
 }

+/// forward a project request to the dev server. Only allowed
+/// if it's your dev server.
+async fn forward_project_request_for_owner<T>(
+    request: T,
+    response: Response<T>,
+    session: UserSession,
+) -> Result<()>
+where
+    T: EntityMessage + RequestMessage,
+{
+    let project_id = ProjectId::from_proto(request.remote_entity_id());
+
+    let host_connection_id = session
+        .db()
+        .await
+        .host_for_owner_project_request(project_id, session.connection_id, session.user_id())
+        .await?;
+    let payload = session
+        .peer
+        .forward_request(session.connection_id, host_connection_id, request)
+        .await?;
+    response.send(payload)?;
+    Ok(())
+}
+
 /// forward a project request to the host. These requests are disallowed
 /// for guests.
 async fn forward_mutating_project_request<T>(
@@ -3353,6 +3391,36 @@ async fn remove_contact(
    Ok(())
 }

+fn should_auto_subscribe_to_channels(version: ZedVersion) -> bool {
+    version.0.minor() < 139
+}
+
+async fn subscribe_to_channels(_: proto::SubscribeToChannels, session: Session) -> Result<()> {
+    subscribe_user_to_channels(
+        session.user_id().ok_or_else(|| anyhow!("must be a user"))?,
+        &session,
+    )
+    .await?;
+    Ok(())
+}
+
+async fn subscribe_user_to_channels(user_id: UserId, session: &Session) -> Result<(), Error> {
+    let channels_for_user = session.db().await.get_channels_for_user(user_id).await?;
+    let mut pool = session.connection_pool().await;
+    for membership in &channels_for_user.channel_memberships {
+        pool.subscribe_to_channel(user_id, membership.channel_id, membership.role)
+    }
+    session.peer.send(
+        session.connection_id,
+        build_update_user_channels(&channels_for_user),
+    )?;
+    session.peer.send(
+        session.connection_id,
+        build_channels_update(channels_for_user),
+    )?;
+    Ok(())
+}
+
 /// Creates a new channel.
 async fn create_channel(
    request: proto::CreateChannel,
@@ -4988,7 +5056,7 @@ fn notify_membership_updated(
        ..Default::default()
    };

-    let mut update = build_channels_update(result.new_channels, vec![]);
+    let mut update = build_channels_update(result.new_channels);
    update.delete_channels = result
        .removed_channels
        .into_iter()
@@ -5018,10 +5086,7 @@ fn build_update_user_channels(channels: &ChannelsForUser) -> proto::UpdateUserCh
    }
 }

-fn build_channels_update(
-    channels: ChannelsForUser,
-    channel_invites: Vec<db::Channel>,
-) -> proto::UpdateChannels {
+fn build_channels_update(channels: ChannelsForUser) -> proto::UpdateChannels {
    let mut update = proto::UpdateChannels::default();

    for channel in channels.channels {
@@ -5040,7 +5105,7 @@ fn build_channels_update(
            });
    }

-    for channel in channel_invites {
+    for channel in channels.invited_channels {
        update.channel_invitations.push(channel.to_proto());
    }

--- a/crates/collab/src/tests/editor_tests.rs
+++ b/crates/collab/src/tests/editor_tests.rs
@@ -42,7 +42,7 @@ use std::{
    },
 };
 use text::Point;
-use workspace::{Workspace, WorkspaceId};
+use workspace::Workspace;

 #[gpui::test(iterations = 10)]
 async fn test_host_disconnect(
@@ -85,14 +85,8 @@ async fn test_host_disconnect(

    assert!(worktree_a.read_with(cx_a, |tree, _| tree.as_local().unwrap().is_shared()));

-    let workspace_b = cx_b.add_window(|cx| {
-        Workspace::new(
-            WorkspaceId::default(),
-            project_b.clone(),
-            client_b.app_state.clone(),
-            cx,
-        )
-    });
+    let workspace_b = cx_b
+        .add_window(|cx| Workspace::new(None, project_b.clone(), client_b.app_state.clone(), cx));
    let cx_b = &mut VisualTestContext::from_window(*workspace_b, cx_b);
    let workspace_b_view = workspace_b.root_view(cx_b).unwrap();

--- a/crates/collab/src/tests/following_tests.rs
+++ b/crates/collab/src/tests/following_tests.rs
@@ -308,8 +308,9 @@ async fn test_basic_following(
        result
    });
    let multibuffer_editor_a = workspace_a.update(cx_a, |workspace, cx| {
-        let editor =
-            cx.new_view(|cx| Editor::for_multibuffer(multibuffer_a, Some(project_a.clone()), cx));
+        let editor = cx.new_view(|cx| {
+            Editor::for_multibuffer(multibuffer_a, Some(project_a.clone()), true, cx)
+        });
        workspace.add_item_to_active_pane(Box::new(editor.clone()), None, cx);
        editor
    });
--- a/crates/collab/src/tests/test_server.rs
+++ b/crates/collab/src/tests/test_server.rs
@@ -42,7 +42,7 @@ use std::{
        Arc,
    },
 };
-use workspace::{Workspace, WorkspaceId, WorkspaceStore};
+use workspace::{Workspace, WorkspaceStore};

 pub struct TestServer {
    pub app_state: Arc<AppState>,
@@ -906,12 +906,7 @@ impl TestClient {
    ) -> (View<Workspace>, &'a mut VisualTestContext) {
        cx.add_window_view(|cx| {
            cx.activate_window();
-            Workspace::new(
-                WorkspaceId::default(),
-                project.clone(),
-                self.app_state.clone(),
-                cx,
-            )
+            Workspace::new(None, project.clone(), self.app_state.clone(), cx)
        })
    }

@@ -922,12 +917,7 @@ impl TestClient {
        let project = self.build_test_project(cx).await;
        cx.add_window_view(|cx| {
            cx.activate_window();
-            Workspace::new(
-                WorkspaceId::default(),
-                project.clone(),
-                self.app_state.clone(),
-                cx,
-            )
+            Workspace::new(None, project.clone(), self.app_state.clone(), cx)
        })
    }

--- a/crates/collab_ui/src/channel_view.rs
+++ b/crates/collab_ui/src/channel_view.rs
@@ -400,7 +400,11 @@ impl Item for ChannelView {
        None
    }

-    fn clone_on_split(&self, _: WorkspaceId, cx: &mut ViewContext<Self>) -> Option<View<Self>> {
+    fn clone_on_split(
+        &self,
+        _: Option<WorkspaceId>,
+        cx: &mut ViewContext<Self>,
+    ) -> Option<View<Self>> {
        Some(cx.new_view(|cx| {
            Self::new(
                self.project.clone(),
--- a/crates/collab_ui/src/chat_panel/message_editor.rs
+++ b/crates/collab_ui/src/chat_panel/message_editor.rs
@@ -100,6 +100,9 @@ impl MessageEditor {
        editor.update(cx, |editor, cx| {
            editor.set_soft_wrap_mode(SoftWrap::EditorWidth, cx);
            editor.set_use_autoclose(false);
+            editor.set_show_gutter(false, cx);
+            editor.set_show_wrap_guides(false, cx);
+            editor.set_show_indent_guides(false, cx);
            editor.set_completion_provider(Box::new(MessageEditorCompletionProvider(this)));
            editor.set_auto_replace_emoji_shortcode(
                MessageEditorSettings::get_global(cx)
@@ -302,6 +305,8 @@ impl MessageEditor {
                    documentation: None,
                    server_id: LanguageServerId(0), // TODO: Make this optional or something?
                    lsp_completion: Default::default(), // TODO: Make this optional or something?
+                    confirm: None,
+                    show_new_completions_on_confirm: false,
                }
            })
            .collect()
@@ -521,7 +526,7 @@ impl Render for MessageEditor {
            font_family: settings.ui_font.family.clone(),
            font_features: settings.ui_font.features.clone(),
            font_size: TextSize::Small.rems(cx).into(),
-            font_weight: FontWeight::NORMAL,
+            font_weight: settings.ui_font.weight,
            font_style: FontStyle::Normal,
            line_height: relative(1.3),
            background_color: None,
--- a/crates/collab_ui/src/collab_panel.rs
+++ b/crates/collab_ui/src/collab_panel.rs
@@ -16,10 +16,10 @@ use fuzzy::{match_strings, StringMatchCandidate};
 use gpui::{
    actions, anchored, canvas, deferred, div, fill, list, point, prelude::*, px, AnyElement,
    AppContext, AsyncWindowContext, Bounds, ClickEvent, ClipboardItem, DismissEvent, Div,
-    EventEmitter, FocusHandle, FocusableView, FontStyle, FontWeight, InteractiveElement,
-    IntoElement, ListOffset, ListState, Model, MouseDownEvent, ParentElement, Pixels, Point,
-    PromptLevel, Render, SharedString, Styled, Subscription, Task, TextStyle, View, ViewContext,
-    VisualContext, WeakView, WhiteSpace,
+    EventEmitter, FocusHandle, FocusableView, FontStyle, InteractiveElement, IntoElement,
+    ListOffset, ListState, Model, MouseDownEvent, ParentElement, Pixels, Point, PromptLevel,
+    Render, SharedString, Styled, Subscription, Task, TextStyle, View, ViewContext, VisualContext,
+    WeakView, WhiteSpace,
 };
 use menu::{Cancel, Confirm, SecondaryConfirm, SelectNext, SelectPrev};
 use project::{Fs, Project};
@@ -2161,6 +2161,9 @@ impl CollabPanel {
    }

    fn render_signed_in(&mut self, cx: &mut ViewContext<Self>) -> Div {
+        self.channel_store.update(cx, |channel_store, _| {
+            channel_store.initialize();
+        });
        v_flex()
            .size_full()
            .child(list(self.list_state.clone()).size_full())
@@ -2190,7 +2193,7 @@ impl CollabPanel {
            font_family: settings.ui_font.family.clone(),
            font_features: settings.ui_font.features.clone(),
            font_size: rems(0.875).into(),
-            font_weight: FontWeight::NORMAL,
+            font_weight: settings.ui_font.weight,
            font_style: FontStyle::Normal,
            line_height: relative(1.3),
            background_color: None,
--- a/crates/collab_ui/src/notifications/incoming_call_notification.rs
+++ b/crates/collab_ui/src/notifications/incoming_call_notification.rs
@@ -116,15 +116,12 @@ impl Render for IncomingCallNotification {
        // TODO: Is there a better place for us to initialize the font?
        let (ui_font, ui_font_size) = {
            let theme_settings = ThemeSettings::get_global(cx);
-            (
-                theme_settings.ui_font.family.clone(),
-                theme_settings.ui_font_size,
-            )
+            (theme_settings.ui_font.clone(), theme_settings.ui_font_size)
        };

        cx.set_rem_size(ui_font_size);

-        div().size_full().font_family(ui_font).child(
+        div().size_full().font(ui_font).child(
            CollabNotification::new(
                self.state.call.calling_user.avatar_uri.clone(),
                Button::new("accept", "Accept").on_click({
--- a/crates/collab_ui/src/notifications/project_shared_notification.rs
+++ b/crates/collab_ui/src/notifications/project_shared_notification.rs
@@ -121,15 +121,12 @@ impl Render for ProjectSharedNotification {
        // TODO: Is there a better place for us to initialize the font?
        let (ui_font, ui_font_size) = {
            let theme_settings = ThemeSettings::get_global(cx);
-            (
-                theme_settings.ui_font.family.clone(),
-                theme_settings.ui_font_size,
-            )
+            (theme_settings.ui_font.clone(), theme_settings.ui_font_size)
        };

        cx.set_rem_size(ui_font_size);

-        div().size_full().font_family(ui_font).child(
+        div().size_full().font(ui_font).child(
            CollabNotification::new(
                self.owner.avatar_uri.clone(),
                Button::new("open", "Open").on_click(cx.listener(move |this, _event, cx| {
--- a/crates/copilot/src/copilot_completion_provider.rs
+++ b/crates/copilot/src/copilot_completion_provider.rs
@@ -781,7 +781,7 @@ mod tests {
            );
            multibuffer
        });
-        let editor = cx.add_window(|cx| Editor::for_multibuffer(multibuffer, None, cx));
+        let editor = cx.add_window(|cx| Editor::for_multibuffer(multibuffer, None, true, cx));
        editor.update(cx, |editor, cx| editor.focus(cx)).unwrap();
        let copilot_provider = cx.new_model(|_| CopilotCompletionProvider::new(copilot));
        editor
@@ -811,7 +811,7 @@ mod tests {
            assert!(editor.has_active_inline_completion(cx));
            assert_eq!(
                editor.display_text(cx),
-                "\n\na = 1\nb = 2 + a\n\n\n\nc = 3\nd = 4\n"
+                "\n\n\na = 1\nb = 2 + a\n\n\n\n\n\nc = 3\nd = 4\n\n"
            );
            assert_eq!(editor.text(cx), "a = 1\nb = 2\n\nc = 3\nd = 4\n");
        });
@@ -833,7 +833,7 @@ mod tests {
            assert!(!editor.has_active_inline_completion(cx));
            assert_eq!(
                editor.display_text(cx),
-                "\n\na = 1\nb = 2\n\n\n\nc = 3\nd = 4\n"
+                "\n\n\na = 1\nb = 2\n\n\n\n\n\nc = 3\nd = 4\n\n"
            );
            assert_eq!(editor.text(cx), "a = 1\nb = 2\n\nc = 3\nd = 4\n");

@@ -842,7 +842,7 @@ mod tests {
            assert!(!editor.has_active_inline_completion(cx));
            assert_eq!(
                editor.display_text(cx),
-                "\n\na = 1\nb = 2\n\n\n\nc = 3\nd = 4 \n"
+                "\n\n\na = 1\nb = 2\n\n\n\n\n\nc = 3\nd = 4 \n\n"
            );
            assert_eq!(editor.text(cx), "a = 1\nb = 2\n\nc = 3\nd = 4 \n");
        });
@@ -853,7 +853,7 @@ mod tests {
            assert!(editor.has_active_inline_completion(cx));
            assert_eq!(
                editor.display_text(cx),
-                "\n\na = 1\nb = 2\n\n\n\nc = 3\nd = 4 + c\n"
+                "\n\n\na = 1\nb = 2\n\n\n\n\n\nc = 3\nd = 4 + c\n\n"
            );
            assert_eq!(editor.text(cx), "a = 1\nb = 2\n\nc = 3\nd = 4 \n");
        });
@@ -1032,7 +1032,7 @@ mod tests {
            );
            multibuffer
        });
-        let editor = cx.add_window(|cx| Editor::for_multibuffer(multibuffer, None, cx));
+        let editor = cx.add_window(|cx| Editor::for_multibuffer(multibuffer, None, true, cx));
        let copilot_provider = cx.new_model(|_| CopilotCompletionProvider::new(copilot));
        editor
            .update(cx, |editor, cx| {
--- a/crates/diagnostics/src/diagnostics.rs
+++ b/crates/diagnostics/src/diagnostics.rs
@@ -161,7 +161,7 @@ impl ProjectDiagnosticsEditor {
        });
        let editor = cx.new_view(|cx| {
            let mut editor =
-                Editor::for_multibuffer(excerpts.clone(), Some(project_handle.clone()), cx);
+                Editor::for_multibuffer(excerpts.clone(), Some(project_handle.clone()), false, cx);
            editor.set_vertical_scroll_margin(5, cx);
            editor
        });
@@ -704,7 +704,7 @@ impl Item for ProjectDiagnosticsEditor {

    fn clone_on_split(
        &self,
-        _workspace_id: workspace::WorkspaceId,
+        _workspace_id: Option<workspace::WorkspaceId>,
        cx: &mut ViewContext<Self>,
    ) -> Option<View<Self>>
    where
@@ -792,13 +792,15 @@ impl Item for ProjectDiagnosticsEditor {
    }
 }

+const DIAGNOSTIC_HEADER: &'static str = "diagnostic header";
+
 fn diagnostic_header_renderer(diagnostic: Diagnostic) -> RenderBlock {
    let (message, code_ranges) = highlight_diagnostic_message(&diagnostic);
    let message: SharedString = message;
    Box::new(move |cx| {
        let highlight_style: HighlightStyle = cx.theme().colors().text_accent.into();
        h_flex()
-            .id("diagnostic header")
+            .id(DIAGNOSTIC_HEADER)
            .py_2()
            .pl_10()
            .pr_5()
--- a/crates/diagnostics/src/diagnostics_tests.rs
+++ b/crates/diagnostics/src/diagnostics_tests.rs
@@ -158,11 +158,11 @@ async fn test_diagnostics(cx: &mut TestAppContext) {
    assert_eq!(
        editor_blocks(&editor, cx),
        [
-            (DisplayRow(0), "path header block".into()),
-            (DisplayRow(2), "diagnostic header".into()),
-            (DisplayRow(15), "collapsed context".into()),
-            (DisplayRow(16), "diagnostic header".into()),
-            (DisplayRow(25), "collapsed context".into()),
+            (DisplayRow(0), FILE_HEADER.into()),
+            (DisplayRow(2), DIAGNOSTIC_HEADER.into()),
+            (DisplayRow(15), EXCERPT_HEADER.into()),
+            (DisplayRow(16), DIAGNOSTIC_HEADER.into()),
+            (DisplayRow(25), EXCERPT_HEADER.into()),
        ]
    );
    assert_eq!(
@@ -243,13 +243,13 @@ async fn test_diagnostics(cx: &mut TestAppContext) {
    assert_eq!(
        editor_blocks(&editor, cx),
        [
-            (DisplayRow(0), "path header block".into()),
-            (DisplayRow(2), "diagnostic header".into()),
-            (DisplayRow(7), "path header block".into()),
-            (DisplayRow(9), "diagnostic header".into()),
-            (DisplayRow(22), "collapsed context".into()),
-            (DisplayRow(23), "diagnostic header".into()),
-            (DisplayRow(32), "collapsed context".into()),
+            (DisplayRow(0), FILE_HEADER.into()),
+            (DisplayRow(2), DIAGNOSTIC_HEADER.into()),
+            (DisplayRow(7), FILE_HEADER.into()),
+            (DisplayRow(9), DIAGNOSTIC_HEADER.into()),
+            (DisplayRow(22), EXCERPT_HEADER.into()),
+            (DisplayRow(23), DIAGNOSTIC_HEADER.into()),
+            (DisplayRow(32), EXCERPT_HEADER.into()),
        ]
    );

@@ -355,15 +355,15 @@ async fn test_diagnostics(cx: &mut TestAppContext) {
    assert_eq!(
        editor_blocks(&editor, cx),
        [
-            (DisplayRow(0), "path header block".into()),
-            (DisplayRow(2), "diagnostic header".into()),
-            (DisplayRow(7), "collapsed context".into()),
-            (DisplayRow(8), "diagnostic header".into()),
-            (DisplayRow(13), "path header block".into()),
-            (DisplayRow(15), "diagnostic header".into()),
-            (DisplayRow(28), "collapsed context".into()),
-            (DisplayRow(29), "diagnostic header".into()),
-            (DisplayRow(38), "collapsed context".into()),
+            (DisplayRow(0), FILE_HEADER.into()),
+            (DisplayRow(2), DIAGNOSTIC_HEADER.into()),
+            (DisplayRow(7), EXCERPT_HEADER.into()),
+            (DisplayRow(8), DIAGNOSTIC_HEADER.into()),
+            (DisplayRow(13), FILE_HEADER.into()),
+            (DisplayRow(15), DIAGNOSTIC_HEADER.into()),
+            (DisplayRow(28), EXCERPT_HEADER.into()),
+            (DisplayRow(29), DIAGNOSTIC_HEADER.into()),
+            (DisplayRow(38), EXCERPT_HEADER.into()),
        ]
    );

@@ -493,8 +493,8 @@ async fn test_diagnostics_multiple_servers(cx: &mut TestAppContext) {
    assert_eq!(
        editor_blocks(&editor, cx),
        [
-            (DisplayRow(0), "path header block".into()),
-            (DisplayRow(2), "diagnostic header".into()),
+            (DisplayRow(0), FILE_HEADER.into()),
+            (DisplayRow(2), DIAGNOSTIC_HEADER.into()),
        ]
    );
    assert_eq!(
@@ -539,10 +539,10 @@ async fn test_diagnostics_multiple_servers(cx: &mut TestAppContext) {
    assert_eq!(
        editor_blocks(&editor, cx),
        [
-            (DisplayRow(0), "path header block".into()),
-            (DisplayRow(2), "diagnostic header".into()),
-            (DisplayRow(6), "collapsed context".into()),
-            (DisplayRow(7), "diagnostic header".into()),
+            (DisplayRow(0), FILE_HEADER.into()),
+            (DisplayRow(2), DIAGNOSTIC_HEADER.into()),
+            (DisplayRow(6), EXCERPT_HEADER.into()),
+            (DisplayRow(7), DIAGNOSTIC_HEADER.into()),
        ]
    );
    assert_eq!(
@@ -605,10 +605,10 @@ async fn test_diagnostics_multiple_servers(cx: &mut TestAppContext) {
    assert_eq!(
        editor_blocks(&editor, cx),
        [
-            (DisplayRow(0), "path header block".into()),
-            (DisplayRow(2), "diagnostic header".into()),
-            (DisplayRow(7), "collapsed context".into()),
-            (DisplayRow(8), "diagnostic header".into()),
+            (DisplayRow(0), FILE_HEADER.into()),
+            (DisplayRow(2), DIAGNOSTIC_HEADER.into()),
+            (DisplayRow(7), EXCERPT_HEADER.into()),
+            (DisplayRow(8), DIAGNOSTIC_HEADER.into()),
        ]
    );
    assert_eq!(
@@ -661,10 +661,10 @@ async fn test_diagnostics_multiple_servers(cx: &mut TestAppContext) {
    assert_eq!(
        editor_blocks(&editor, cx),
        [
-            (DisplayRow(0), "path header block".into()),
-            (DisplayRow(2), "diagnostic header".into()),
-            (DisplayRow(7), "collapsed context".into()),
-            (DisplayRow(8), "diagnostic header".into()),
+            (DisplayRow(0), FILE_HEADER.into()),
+            (DisplayRow(2), DIAGNOSTIC_HEADER.into()),
+            (DisplayRow(7), EXCERPT_HEADER.into()),
+            (DisplayRow(8), DIAGNOSTIC_HEADER.into()),
        ]
    );
    assert_eq!(
@@ -958,6 +958,10 @@ fn random_diagnostic(
    }
 }

+const FILE_HEADER: &'static str = "file header";
+const EXCERPT_HEADER: &'static str = "excerpt header";
+const EXCERPT_FOOTER: &'static str = "excerpt footer";
+
 fn editor_blocks(
    editor: &View<Editor>,
    cx: &mut VisualTestContext,
@@ -996,11 +1000,12 @@ fn editor_blocks(
                                starts_new_buffer, ..
                            } => {
                                if *starts_new_buffer {
-                                    "path header block".into()
+                                    FILE_HEADER.into()
                                } else {
-                                    "collapsed context".into()
+                                    EXCERPT_HEADER.into()
                                }
                            }
+                            TransformBlock::ExcerptFooter { .. } => EXCERPT_FOOTER.into(),
                        };

                        Some((row, name))
--- 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-arrow-down-from-line"><path d="M19 3H5"/><path d="M12 21V7"/><path d="m6 15 6 6 6-6"/></svg>`
				`@@ -0,0 +1 @@`
				`<svg width="15" height="15" viewBox="0 0 15 15" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M6 11L6 4L10.5 7.5L6 11Z" fill="currentColor"></path></svg>`
				`@@ -1 +0,0 @@`
				> Give me a comprehensive list of all the elements defined in my project using the following query: `impl Element for {}, impl<T: 'static> Element for {}, impl IntoElement for {})`
				`@@ -1 +0,0 @@`
				`> What are all the places we define a new gpui element in my project? (impl Element for {})`
				`@@ -1 +0,0 @@`
				`> Can you tell me what the assistant2 crate is for in my project? Tell me in 100 words or less.`