revert back to SendKeystrokes to show off that feature

Also remove !menu as it's unlikely to be a problem in this case and
muddies the example

.cargo/config.toml

@@ -13,12 +13,6 @@ rustflags = ["-C", "link-arg=-fuse-ld=mold"]
 linker = "clang"
 rustflags = ["-C", "link-arg=-fuse-ld=mold"]
 
-[target.aarch64-apple-darwin]
-rustflags = ["-C", "link-args=-all_load"]
-
-[target.x86_64-apple-darwin]
-rustflags = ["-C", "link-args=-all_load"]
-
 [target.'cfg(target_os = "windows")']
 rustflags = [
     "--cfg",

.git-blame-ignore-revs

@@ -30,3 +30,7 @@ ffdda588b41f7d9d270ffe76cab116f828ad545e
 # 2024-07-05 Improved formatting of default keymaps (single line per bind)
 # https://github.com/zed-industries/zed/pull/13887
 813cc3f5e537372fc86720b5e71b6e1c815440ab
+
+# 2024-07-24 docs: Format docs
+# https://github.com/zed-industries/zed/pull/15352
+3a44a59f8ec114ac1ba22f7da1652717ef7e4e5c

.github/ISSUE_TEMPLATE/01_bug_agent.yml

@@ -29,8 +29,8 @@ body:
     id: environment
     attributes:
       label: Zed Version and System Specs
-      description: 'Open Zed, and in the command palette select "zed: Copy System Specs Into Clipboard"'
+      description: 'Open Zed, and in the command palette select "zed: copy system specs into clipboard"'
       placeholder: |
-        Output of "zed: Copy System Specs Into Clipboard"
+        Output of "zed: copy system specs into clipboard"
     validations:
       required: true

.github/ISSUE_TEMPLATE/02_bug_edit_predictions.yml

@@ -29,8 +29,8 @@ body:
     id: environment
     attributes:
       label: Zed Version and System Specs
-      description: 'Open Zed, and in the command palette select "zed: Copy System Specs Into Clipboard"'
+      description: 'Open Zed, and in the command palette select "zed: copy system specs into clipboard"'
       placeholder: |
-        Output of "zed: Copy System Specs Into Clipboard"
+        Output of "zed: copy system specs into clipboard"
     validations:
       required: true

.github/ISSUE_TEMPLATE/03_bug_git.yml

@@ -28,8 +28,8 @@ body:
     id: environment
     attributes:
       label: Zed Version and System Specs
-      description: 'Open Zed, and in the command palette select "zed: Copy System Specs Into Clipboard"'
+      description: 'Open Zed, and in the command palette select "zed: copy system specs into clipboard"'
       placeholder: |
-        Output of "zed: Copy System Specs Into Clipboard"
+        Output of "zed: copy system specs into clipboard"
     validations:
       required: true

.github/ISSUE_TEMPLATE/04_bug_debugger.yml

@@ -0,0 +1,35 @@
+name: Bug Report (Debugger)
+description: Zed Debugger-Related Bugs
+type: "Bug"
+labels: ["debugger"]
+title: "Debugger: <a short description of the Debugger bug>"
+body:
+  - type: textarea
+    attributes:
+      label: Summary
+      description: Describe the bug with a one line summary, and provide detailed reproduction steps
+      value: |
+        <!-- Please insert a one line summary of the issue below -->
+        SUMMARY_SENTENCE_HERE
+
+        ### Description
+        <!--  Describe with sufficient detail to reproduce from a clean Zed install. -->
+        Steps to trigger the problem:
+        1.
+        2.
+        3.
+
+        Actual Behavior:
+        Expected Behavior:
+
+    validations:
+      required: true
+  - type: textarea
+    id: environment
+    attributes:
+      label: Zed Version and System Specs
+      description: 'Open Zed, and in the command palette select "zed: copy system specs into clipboard"'
+      placeholder: |
+        Output of "zed: copy system specs into clipboard"
+    validations:
+      required: true

.github/ISSUE_TEMPLATE/10_bug_report.yml

@@ -49,8 +49,8 @@ body:
     attributes:
       label: Zed Version and System Specs
       description: |
-        Open Zed, from the command palette select "zed: Copy System Specs Into Clipboard"
+        Open Zed, from the command palette select "zed: copy system specs into clipboard"
       placeholder: |
-        Output of "zed: Copy System Specs Into Clipboard"
+        Output of "zed: copy system specs into clipboard"
     validations:
       required: true

.github/ISSUE_TEMPLATE/11_crash_report.yml

@@ -26,9 +26,9 @@ body:
     id: environment
     attributes:
       label: Zed Version and System Specs
-      description: 'Open Zed, and in the command palette select "zed: Copy System Specs Into Clipboard"'
+      description: 'Open Zed, and in the command palette select "zed: copy system specs into clipboard"'
       placeholder: |
-        Output of "zed: Copy System Specs Into Clipboard"
+        Output of "zed: copy system specs into clipboard"
     validations:
       required: true
   - type: textarea

.github/workflows/ci.yml

@@ -162,13 +162,23 @@ jobs:
         working-directory: ./docs
         run: |
           pnpm dlx prettier@${PRETTIER_VERSION} . --check || {
-            echo "To fix, run from the root of the zed repo:"
+            echo "To fix, run from the root of the Zed repo:"
             echo "  cd docs && pnpm dlx prettier@${PRETTIER_VERSION} . --write && cd .."
             false
           }
         env:
           PRETTIER_VERSION: 3.5.0
 
+      - name: Prettier Check on default.json
+        run: |
+          pnpm dlx prettier@${PRETTIER_VERSION} assets/settings/default.json --check || {
+            echo "To fix, run from the root of the Zed repo:"
+            echo "  pnpm dlx prettier@${PRETTIER_VERSION} assets/settings/default.json --write"
+            false
+          }
+        env:
+          PRETTIER_VERSION: 3.5.0
+
       # To support writing comments that they will certainly be revisited.
       - name: Check for todo! and FIXME comments
         run: script/check-todos

.gitignore

@@ -2,6 +2,7 @@
 **/cargo-target
 **/target
 **/venv
+**/.direnv
 *.wasm
 *.xcodeproj
 .DS_Store

.mailmap

@@ -19,6 +19,8 @@ amtoaer <amtoaer@gmail.com>
 amtoaer <amtoaer@gmail.com> <amtoaer@outlook.com>
 Andrei Zvonimir Crnković <andrei@0x7f.dev>
 Andrei Zvonimir Crnković <andrei@0x7f.dev> <andreicek@0x7f.dev>
+Angelk90 <angelo.k90@hotmail.it>
+Angelk90 <angelo.k90@hotmail.it> <20476002+Angelk90@users.noreply.github.com>
 Antonio Scandurra <me@as-cii.com>
 Antonio Scandurra <me@as-cii.com> <antonio@zed.dev>
 Ben Kunkle <ben@zed.dev>
@@ -38,6 +40,8 @@ Dairon Medina <dairon.medina@gmail.com>
 Danilo Leal <danilo@zed.dev>
 Danilo Leal <danilo@zed.dev> <67129314+danilo-leal@users.noreply.github.com>
 Edwin Aronsson <75266237+4teapo@users.noreply.github.com>
+Elvis Pranskevichus <elvis@geldata.com>
+Elvis Pranskevichus <elvis@geldata.com> <elvis@magic.io>
 Evren Sen <nervenes@icloud.com>
 Evren Sen <nervenes@icloud.com> <146845123+evrensen467@users.noreply.github.com>
 Evren Sen <nervenes@icloud.com> <146845123+evrsen@users.noreply.github.com>
@@ -69,6 +73,8 @@ Lilith Iris <itslirissama@gmail.com> <83819417+Irilith@users.noreply.github.com>
 LoganDark <contact@logandark.mozmail.com>
 LoganDark <contact@logandark.mozmail.com> <git@logandark.mozmail.com>
 LoganDark <contact@logandark.mozmail.com> <github@logandark.mozmail.com>
+Marko Kungla <marko.kungla@gmail.com>
+Marko Kungla <marko.kungla@gmail.com> <marko@mkungla.dev>
 Marshall Bowers <git@maxdeviant.com>
 Marshall Bowers <git@maxdeviant.com> <elliott.codes@gmail.com>
 Marshall Bowers <git@maxdeviant.com> <marshall@zed.dev>
@@ -84,6 +90,7 @@ Michael Sloan <michael@zed.dev> <mgsloan@google.com>
 Mikayla Maki <mikayla@zed.dev>
 Mikayla Maki <mikayla@zed.dev> <mikayla.c.maki@gmail.com>
 Mikayla Maki <mikayla@zed.dev> <mikayla.c.maki@icloud.com>
+Morgan Krey <morgan@zed.dev>
 Muhammad Talal Anwar <mail@talal.io>
 Muhammad Talal Anwar <mail@talal.io> <talalanwar@outlook.com>
 Nate Butler <iamnbutler@gmail.com>
@@ -116,11 +123,18 @@ Shish <webmaster@shishnet.org>
 Shish <webmaster@shishnet.org> <shish@shishnet.org>
 Smit Barmase <0xtimsb@gmail.com>
 Smit Barmase <0xtimsb@gmail.com> <smit@zed.dev>
+Thomas <github.thomaub@gmail.com>
+Thomas <github.thomaub@gmail.com> <thomas.aubry94@gmail.com>
+Thomas <github.thomaub@gmail.com> <thomas.aubry@paylead.fr>
+Thomas Heartman <thomasheartman+github@gmail.com>
+Thomas Heartman <thomasheartman+github@gmail.com> <thomas@getunleash.io>
+Thomas Mickley-Doyle <tmickleydoyle@gmail.com>
+Thomas Mickley-Doyle <tmickleydoyle@gmail.com> <thomas@zed.dev>
 Thorben Kröger <dev@thorben.net>
 Thorben Kröger <dev@thorben.net> <thorben.kroeger@hexagon.com>
-Thorsten Ball <thorsten@zed.dev>
-Thorsten Ball <thorsten@zed.dev> <me@thorstenball.com>
-Thorsten Ball <thorsten@zed.dev> <mrnugget@gmail.com>
+Thorsten Ball <mrnugget@gmail.com>
+Thorsten Ball <mrnugget@gmail.com> <me@thorstenball.com>
+Thorsten Ball <mrnugget@gmail.com> <thorsten@zed.dev>
 Tristan Hume <tris.hume@gmail.com>
 Tristan Hume <tris.hume@gmail.com> <tristan@anthropic.com>
 Uladzislau Kaminski <i@uladkaminski.com>

.prettierrc

@@ -0,0 +1,3 @@
+{
+  "printWidth": 120
+}

.rules

@@ -115,7 +115,7 @@ Other entities can then register a callback to handle these events by doing `cx.
 GPUI has had some changes to its APIs. Always write code using the new APIs:
 
 * `spawn` methods now take async closures (`AsyncFn`), and so should be called like `cx.spawn(async move |cx| ...)`.
-* Use `Entity<T>`. This replaces `Model<T>` and `View<T>` which longer exists and should NEVER be used.
+* Use `Entity<T>`. This replaces `Model<T>` and `View<T>` which no longer exist and should NEVER be used.
 * Use `App` references. This replaces `AppContext` which no longer exists and should NEVER be used.
 * Use `Context<T>` references. This replaces `ModelContext<T>` which no longer exists and should NEVER be used.
 * `Window` is now passed around explicitly. The new interface adds a `Window` reference parameter to some methods, and adds some new "*_in" methods for plumbing `Window`. The old types `WindowContext` and `ViewContext<T>` should NEVER be used.

.zed/debug.json

@@ -2,16 +2,14 @@
   {
     "label": "Debug Zed (CodeLLDB)",
     "adapter": "CodeLLDB",
-    "program": "$ZED_WORKTREE_ROOT/target/debug/zed",
-    "request": "launch",
-    "cwd": "$ZED_WORKTREE_ROOT"
+    "program": "target/debug/zed",
+    "request": "launch"
   },
   {
     "label": "Debug Zed (GDB)",
     "adapter": "GDB",
-    "program": "$ZED_WORKTREE_ROOT/target/debug/zed",
+    "program": "target/debug/zed",
     "request": "launch",
-    "cwd": "$ZED_WORKTREE_ROOT",
     "initialize_args": {
       "stopAtBeginningOfMainSubprogram": true
     }

Cargo.toml

@@ -6,7 +6,6 @@ members = [
     "crates/anthropic",
     "crates/askpass",
     "crates/assets",
-    "crates/assistant",
     "crates/assistant_context_editor",
     "crates/assistant_settings",
     "crates/assistant_slash_command",
@@ -32,14 +31,13 @@ members = [
     "crates/command_palette",
     "crates/command_palette_hooks",
     "crates/component",
-    "crates/component_preview",
     "crates/context_server",
-    "crates/context_server_settings",
     "crates/copilot",
     "crates/credentials_provider",
     "crates/dap",
     "crates/dap_adapters",
     "crates/db",
+    "crates/debug_adapter_extension",
     "crates/debugger_tools",
     "crates/debugger_ui",
     "crates/deepseek",
@@ -76,11 +74,12 @@ members = [
     "crates/inline_completion",
     "crates/inline_completion_button",
     "crates/install_cli",
+    "crates/jj",
+    "crates/jj_ui",
     "crates/journal",
     "crates/language",
     "crates/language_extension",
     "crates/language_model",
-    "crates/language_model_selector",
     "crates/language_models",
     "crates/language_selector",
     "crates/language_tools",
@@ -215,7 +214,6 @@ ai = { path = "crates/ai" }
 anthropic = { path = "crates/anthropic" }
 askpass = { path = "crates/askpass" }
 assets = { path = "crates/assets" }
-assistant = { path = "crates/assistant" }
 assistant_context_editor = { path = "crates/assistant_context_editor" }
 assistant_settings = { path = "crates/assistant_settings" }
 assistant_slash_command = { path = "crates/assistant_slash_command" }
@@ -241,14 +239,13 @@ collections = { path = "crates/collections" }
 command_palette = { path = "crates/command_palette" }
 command_palette_hooks = { path = "crates/command_palette_hooks" }
 component = { path = "crates/component" }
-component_preview = { path = "crates/component_preview" }
 context_server = { path = "crates/context_server" }
-context_server_settings = { path = "crates/context_server_settings" }
 copilot = { path = "crates/copilot" }
 credentials_provider = { path = "crates/credentials_provider" }
 dap = { path = "crates/dap" }
 dap_adapters = { path = "crates/dap_adapters" }
 db = { path = "crates/db" }
+debug_adapter_extension = { path = "crates/debug_adapter_extension" }
 debugger_tools = { path = "crates/debugger_tools" }
 debugger_ui = { path = "crates/debugger_ui" }
 deepseek = { path = "crates/deepseek" }
@@ -283,11 +280,12 @@ indexed_docs = { path = "crates/indexed_docs" }
 inline_completion = { path = "crates/inline_completion" }
 inline_completion_button = { path = "crates/inline_completion_button" }
 install_cli = { path = "crates/install_cli" }
+jj = { path = "crates/jj" }
+jj_ui = { path = "crates/jj_ui" }
 journal = { path = "crates/journal" }
 language = { path = "crates/language" }
 language_extension = { path = "crates/language_extension" }
 language_model = { path = "crates/language_model" }
-language_model_selector = { path = "crates/language_model_selector" }
 language_models = { path = "crates/language_models" }
 language_selector = { path = "crates/language_selector" }
 language_tools = { path = "crates/language_tools" }
@@ -414,9 +412,9 @@ aws-smithy-runtime-api = { version = "1.7.4", features = ["http-1x", "client"] }
 aws-smithy-types = { version = "1.3.0", features = ["http-body-1-x"] }
 base64 = "0.22"
 bitflags = "2.6.0"
-blade-graphics = { git = "https://github.com/kvark/blade", rev = "b16f5c7bd873c7126f48c82c39e7ae64602ae74f" }
-blade-macros = { git = "https://github.com/kvark/blade", rev = "b16f5c7bd873c7126f48c82c39e7ae64602ae74f" }
-blade-util = { git = "https://github.com/kvark/blade", rev = "b16f5c7bd873c7126f48c82c39e7ae64602ae74f" }
+blade-graphics = { git = "https://github.com/kvark/blade", rev = "416375211bb0b5826b3584dccdb6a43369e499ad" }
+blade-macros = { git = "https://github.com/kvark/blade", rev = "416375211bb0b5826b3584dccdb6a43369e499ad" }
+blade-util = { git = "https://github.com/kvark/blade", rev = "416375211bb0b5826b3584dccdb6a43369e499ad" }
 blake3 = "1.5.3"
 bytes = "1.0"
 cargo_metadata = "0.19"
@@ -430,6 +428,7 @@ convert_case = "0.8.0"
 core-foundation = "0.10.0"
 core-foundation-sys = "0.8.6"
 core-video = { version = "0.4.3", features = ["metal"] }
+criterion = { version = "0.5", features = ["html_reports"] }
 ctor = "0.4.0"
 dap-types = { git = "https://github.com/zed-industries/dap-types", rev = "be69a016ba710191b9fdded28c8b042af4b617f7" }
 dashmap = "6.0"
@@ -462,6 +461,7 @@ indexmap = { version = "2.7.0", features = ["serde"] }
 indoc = "2"
 inventory = "0.3.19"
 itertools = "0.14.0"
+jj-lib = { git = "https://github.com/jj-vcs/jj", rev = "e18eb8e05efaa153fad5ef46576af145bba1807f" }
 jsonschema = "0.30.0"
 jsonwebtoken = "9.3"
 jupyter-protocol = { git = "https://github.com/ConradIrwin/runtimed", rev = "7130c804216b6914355d15d0b91ea91f6babd734" }
@@ -469,13 +469,13 @@ jupyter-websocket-client = {  git = "https://github.com/ConradIrwin/runtimed" ,r
 libc = "0.2"
 libsqlite3-sys = { version = "0.30.1", features = ["bundled"] }
 linkify = "0.10.0"
-linkme = "0.3.31"
 log = { version = "0.4.16", features = ["kv_unstable_serde", "serde"] }
 lsp-types = { git = "https://github.com/zed-industries/lsp-types", rev = "c9c189f1c5dd53c624a419ce35bc77ad6a908d18" }
 markup5ever_rcdom = "0.3.0"
 metal = "0.29"
 mlua = { version = "0.10", features = ["lua54", "vendored", "async", "send"] }
-naga = { version = "23.1.0", features = ["wgsl-in"] }
+moka = { version = "0.12.10", features = ["sync"] }
+naga = { version = "25.0", features = ["wgsl-in"] }
 nanoid = "0.4"
 nbformat = {  git = "https://github.com/ConradIrwin/runtimed", rev = "7130c804216b6914355d15d0b91ea91f6babd734" }
 nix = "0.29"
@@ -494,6 +494,7 @@ pet-fs = { git = "https://github.com/microsoft/python-environment-tools.git", re
 pet-pixi = { git = "https://github.com/microsoft/python-environment-tools.git", rev = "845945b830297a50de0e24020b980a65e4820559" }
 pet-poetry = { git = "https://github.com/microsoft/python-environment-tools.git", rev = "845945b830297a50de0e24020b980a65e4820559" }
 pet-reporter = { git = "https://github.com/microsoft/python-environment-tools.git", rev = "845945b830297a50de0e24020b980a65e4820559" }
+portable-pty = "0.9.0"
 postage = { version = "0.5", features = ["futures-traits"] }
 pretty_assertions = { version = "1.3.0", features = ["unstable"] }
 proc-macro2 = "1.0.93"
@@ -552,9 +553,9 @@ syn = { version = "1.0.72", features = ["full", "extra-traits"] }
 sys-locale = "0.3.1"
 sysinfo = "0.31.0"
 take-until = "0.2.0"
-tempfile = "3.9.0"
+tempfile = "3.20.0"
 thiserror = "2.0.12"
-tiktoken-rs = "0.6.0"
+tiktoken-rs = "0.7.0"
 time = { version = "0.3", features = [
     "macros",
     "parsing",
@@ -597,7 +598,8 @@ unindent = "0.2.0"
 url = "2.2"
 urlencoding = "2.1.2"
 uuid = { version = "1.1.2", features = ["v4", "v5", "v7", "serde"] }
-walkdir = "2.3"
+walkdir = "2.5"
+wasi-preview1-component-adapter-provider = "29"
 wasm-encoder = "0.221"
 wasmparser = "0.221"
 wasmtime = { version = "29", default-features = false, features = [
@@ -606,12 +608,14 @@ wasmtime = { version = "29", default-features = false, features = [
     "runtime",
     "cranelift",
     "component-model",
+    "incremental-cache",
+    "parallel-compilation",
 ] }
 wasmtime-wasi = "29"
 which = "6.0.0"
 wit-component = "0.221"
 workspace-hack = "0.1.0"
-zed_llm_client = "0.7.1"
+zed_llm_client = "0.8.2"
 zstd = "0.11"
 
 [workspace.dependencies.async-stripe]
@@ -791,6 +795,9 @@ let_underscore_future = "allow"
 # running afoul of the borrow checker.
 too_many_arguments = "allow"
 
+# We often have large enum variants yet we rarely actually bother with splitting them up.
+large_enum_variant = "allow"
+
 [workspace.metadata.cargo-machete]
 ignored = [
     "bindgen",
@@ -798,7 +805,6 @@ ignored = [
     "prost_build",
     "serde",
     "component",
-    "linkme",
     "documented",
     "workspace-hack",
 ]

Dockerfile-collab

@@ -1,6 +1,6 @@
 # syntax = docker/dockerfile:1.2
 
-FROM rust:1.86-bookworm as builder
+FROM rust:1.87-bookworm as builder
 WORKDIR app
 COPY . .
 

README.md

@@ -8,10 +8,6 @@ Welcome to Zed, a high-performance, multiplayer code editor from the creators of
 
 ### Installation
 
-<a href="https://repology.org/project/zed-editor/versions">
-    <img src="https://repology.org/badge/vertical-allrepos/zed-editor.svg?minversion=0.143.5" alt="Packaging status" align="right">
-</a>
-
 On macOS and Linux you can [download Zed directly](https://zed.dev/download) or [install Zed via your local package manager](https://zed.dev/docs/linux#installing-via-a-package-manager).
 
 Other platforms are not yet available:

assets/icons/crosshair.svg

@@ -0,0 +1,7 @@
+<svg width="14" height="14" viewBox="0 0 14 14" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M7 12C9.76142 12 12 9.76142 12 7C12 4.23858 9.76142 2 7 2C4.23858 2 2 4.23858 2 7C2 9.76142 4.23858 12 7 12Z" stroke="black" stroke-width="1.33" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M11.5 7H9" stroke="black" stroke-width="1.33" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M4.5 7H2" stroke="black" stroke-width="1.33" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M7 4.5V2" stroke="black" stroke-width="1.33" stroke-linecap="round" stroke-linejoin="round"/>
+<path d="M7 11.5V9" stroke="black" stroke-width="1.33" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>

assets/icons/document_text.svg

@@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="currentColor" class="size-5">
+  <path fill-rule="evenodd" d="M4.5 2A1.5 1.5 0 0 0 3 3.5v13A1.5 1.5 0 0 0 4.5 18h11a1.5 1.5 0 0 0 1.5-1.5V7.621a1.5 1.5 0 0 0-.44-1.06l-4.12-4.122A1.5 1.5 0 0 0 11.378 2H4.5Zm2.25 8.5a.75.75 0 0 0 0 1.5h6.5a.75.75 0 0 0 0-1.5h-6.5Zm0 3a.75.75 0 0 0 0 1.5h6.5a.75.75 0 0 0 0-1.5h-6.5Z" clip-rule="evenodd" />
+</svg>

assets/icons/list_collapse.svg

@@ -0,0 +1 @@
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+<path d="M165 78H166V173H165V78Z" fill="black"/>
+<path d="M99 78H100V173H99V78Z" fill="black"/>
+<path d="M33 78H34V173H33V78Z" fill="black"/>
+<path d="M220 76H221V171H220V76Z" fill="black"/>
+<path d="M220 76H221V171H220V76Z" fill="black"/>
+<path d="M232 89V90L-7 90V89L232 89Z" fill="black"/>
+<path d="M232 100V101L-7 101V100L232 100Z" fill="black"/>
+<path d="M232 111V112L-7 112V111L232 111Z" fill="black"/>
+<path d="M232 122V123L-7 123V122L232 122Z" fill="black"/>
+<path d="M232 133V134L-7 134V133L232 133Z" fill="black"/>
+<path d="M231 144V145L-8 145V144L231 144Z" fill="black"/>
+<path d="M231 155V156L-8 156V155L231 155Z" fill="black"/>
+<path d="M154 78H155V173H154V78Z" fill="black"/>
+<path d="M88 78H89V173H88V78Z" fill="black"/>
+<path d="M22 78H23V173H22V78Z" fill="black"/>
+<path d="M209 76H210V171H209V76Z" fill="black"/>
+<path d="M143 78H144V173H143V78Z" fill="black"/>
+<path d="M77 78H78V173H77V78Z" fill="black"/>
+<path d="M11 78H12V173H11V78Z" fill="black"/>
+<path d="M198 76H199V171H198V76Z" fill="black"/>
+<path d="M132 78H133V173H132V78Z" fill="black"/>
+<path d="M66 78H67V173H66V78Z" fill="black"/>
+<path d="M187 76H188V171H187V76Z" fill="black"/>
+<path d="M121 78H122V173H121V78Z" fill="black"/>
+<path d="M55 78H56V173H55V78Z" fill="black"/>
+<path d="M-11 78H-10V173H-11V78Z" fill="black"/>
+<path d="M176 76H177V171H176V76Z" fill="black"/>
+<path d="M110 78H111V173H110V78Z" fill="black"/>
+<path d="M44 78H45V173H44V78Z" fill="black"/>
+<path d="M-22 78H-21V173H-22V78Z" fill="black"/>
+</g>
+<defs>
+<clipPath id="clip0_2500_1167">
+<rect width="441" height="167" fill="white"/>
+</clipPath>
+</defs>
+</svg>

assets/keymaps/default-linux.json

@@ -33,6 +33,7 @@
       "f4": "debugger::Start",
       "f5": "debugger::Continue",
       "shift-f5": "debugger::Stop",
+      "ctrl-shift-f5": "debugger::Restart",
       "f6": "debugger::Pause",
       "f7": "debugger::StepOver",
       "cmd-f11": "debugger::StepInto",
@@ -194,6 +195,16 @@
       "alt-shift-y": "git::UnstageAndNext"
     }
   },
+  {
+    "context": "Editor && editor_agent_diff",
+    "bindings": {
+      "ctrl-y": "agent::Keep",
+      "ctrl-n": "agent::Reject",
+      "ctrl-shift-y": "agent::KeepAll",
+      "ctrl-shift-n": "agent::RejectAll",
+      "shift-ctrl-r": "agent::OpenAgentDiff"
+    }
+  },
   {
     "context": "AgentDiff",
     "bindings": {
@@ -203,35 +214,22 @@
       "ctrl-shift-n": "agent::RejectAll"
     }
   },
-  {
-    "context": "AssistantPanel",
-    "bindings": {
-      "ctrl-k c": "assistant::CopyCode",
-      "ctrl-shift-e": "project_panel::ToggleFocus",
-      "ctrl-g": "search::SelectNextMatch",
-      "ctrl-shift-g": "search::SelectPreviousMatch",
-      "ctrl-alt-/": "assistant::ToggleModelSelector",
-      "ctrl-k h": "assistant::DeployHistory",
-      "ctrl-k l": "assistant::OpenRulesLibrary",
-      "new": "assistant::NewChat",
-      "ctrl-t": "assistant::NewChat",
-      "ctrl-n": "assistant::NewChat"
-    }
-  },
   {
     "context": "ContextEditor > Editor",
     "bindings": {
       "ctrl-enter": "assistant::Assist",
-      "ctrl-shift-enter": "assistant::Edit",
       "ctrl-s": "workspace::Save",
       "save": "workspace::Save",
       "ctrl->": "assistant::QuoteSelection",
       "ctrl-<": "assistant::InsertIntoEditor",
-      "ctrl-alt-/": "assistant::ToggleModelSelector",
       "shift-enter": "assistant::Split",
       "ctrl-r": "assistant::CycleMessageRole",
       "enter": "assistant::ConfirmCommand",
-      "alt-enter": "editor::Newline"
+      "alt-enter": "editor::Newline",
+      "ctrl-k c": "assistant::CopyCode",
+      "ctrl-g": "search::SelectNextMatch",
+      "ctrl-shift-g": "search::SelectPreviousMatch",
+      "ctrl-k l": "agent::OpenRulesLibrary"
     }
   },
   {
@@ -241,14 +239,15 @@
       "ctrl-alt-n": "agent::NewTextThread",
       "ctrl-shift-h": "agent::OpenHistory",
       "ctrl-alt-c": "agent::OpenConfiguration",
-      "ctrl-alt-p": "assistant::OpenRulesLibrary",
+      "ctrl-alt-p": "agent::OpenRulesLibrary",
       "ctrl-i": "agent::ToggleProfileSelector",
-      "ctrl-alt-/": "assistant::ToggleModelSelector",
+      "ctrl-alt-/": "agent::ToggleModelSelector",
       "ctrl-shift-a": "agent::ToggleContextPicker",
       "ctrl-shift-o": "agent::ToggleNavigationMenu",
       "ctrl-shift-i": "agent::ToggleOptionsMenu",
-      "shift-escape": "agent::ExpandMessageEditor",
-      "ctrl-alt-e": "agent::RemoveAllContext"
+      "shift-alt-escape": "agent::ExpandMessageEditor",
+      "ctrl-alt-e": "agent::RemoveAllContext",
+      "ctrl-shift-e": "project_panel::ToggleFocus"
     }
   },
   {
@@ -514,6 +513,8 @@
       "alt-ctrl-o": "projects::OpenRecent",
       "alt-shift-open": "projects::OpenRemote",
       "alt-ctrl-shift-o": "projects::OpenRemote",
+      // Change to open path modal for existing remote connection by setting the parameter
+      // "alt-ctrl-shift-o": "["projects::OpenRemote", { "from_existing_connection": true }]",
       "alt-ctrl-shift-b": "branches::OpenRecent",
       "alt-shift-enter": "toast::RunAction",
       "ctrl-~": "workspace::NewTerminal",
@@ -558,7 +559,8 @@
       "ctrl-shift-e": "project_panel::ToggleFocus",
       "ctrl-shift-b": "outline_panel::ToggleFocus",
       "ctrl-shift-g": "git_panel::ToggleFocus",
-      "ctrl-?": "assistant::ToggleFocus",
+      "ctrl-shift-d": "debug_panel::ToggleFocus",
+      "ctrl-?": "agent::ToggleFocus",
       "alt-save": "workspace::SaveAll",
       "ctrl-alt-s": "workspace::SaveAll",
       "ctrl-k m": "language_selector::Toggle",
@@ -595,7 +597,6 @@
   {
     "context": "Editor",
     "bindings": {
-      "ctrl-shift-d": "editor::DuplicateLineDown",
       "ctrl-shift-j": "editor::JoinLines",
       "ctrl-alt-backspace": "editor::DeleteToPreviousSubwordStart",
       "ctrl-alt-h": "editor::DeleteToPreviousSubwordStart",
@@ -699,8 +700,8 @@
   {
     "context": "PromptEditor",
     "bindings": {
-      "ctrl-[": "assistant::CyclePreviousInlineAssist",
-      "ctrl-]": "assistant::CycleNextInlineAssist",
+      "ctrl-[": "agent::CyclePreviousInlineAssist",
+      "ctrl-]": "agent::CycleNextInlineAssist",
       "ctrl-alt-e": "agent::RemoveAllContext"
     }
   },
@@ -768,7 +769,7 @@
       "alt-ctrl-r": "project_panel::RevealInFileManager",
       "ctrl-shift-enter": "project_panel::OpenWithSystem",
       "shift-find": "project_panel::NewSearchInDirectory",
-      "ctrl-shift-f": "project_panel::NewSearchInDirectory",
+      "ctrl-alt-shift-f": "project_panel::NewSearchInDirectory",
       "shift-down": "menu::SelectNext",
       "shift-up": "menu::SelectPrevious",
       "escape": "menu::Cancel"
@@ -862,6 +863,13 @@
       "alt-l": "git::GenerateCommitMessage"
     }
   },
+  {
+    "context": "DebugPanel",
+    "bindings": {
+      "ctrl-t": "debugger::ToggleThreadPicker",
+      "ctrl-i": "debugger::ToggleSessionPicker"
+    }
+  },
   {
     "context": "CollabPanel && not_editing",
     "bindings": {
@@ -930,12 +938,14 @@
       "alt-b": ["terminal::SendText", "\u001bb"],
       "alt-f": ["terminal::SendText", "\u001bf"],
       "alt-.": ["terminal::SendText", "\u001b."],
+      "ctrl-delete": ["terminal::SendText", "\u001bd"],
       // Overrides for conflicting keybindings
       "ctrl-b": ["terminal::SendKeystroke", "ctrl-b"],
       "ctrl-c": ["terminal::SendKeystroke", "ctrl-c"],
       "ctrl-e": ["terminal::SendKeystroke", "ctrl-e"],
       "ctrl-o": ["terminal::SendKeystroke", "ctrl-o"],
       "ctrl-w": ["terminal::SendKeystroke", "ctrl-w"],
+      "ctrl-backspace": ["terminal::SendKeystroke", "ctrl-w"],
       "ctrl-shift-a": "editor::SelectAll",
       "find": "buffer_search::Deploy",
       "ctrl-shift-f": "buffer_search::Deploy",
@@ -953,7 +963,10 @@
       "shift-down": "terminal::ScrollLineDown",
       "shift-home": "terminal::ScrollToTop",
       "shift-end": "terminal::ScrollToBottom",
-      "ctrl-shift-space": "terminal::ToggleViMode"
+      "ctrl-shift-space": "terminal::ToggleViMode",
+      "ctrl-shift-r": "terminal::RerunTask",
+      "ctrl-alt-r": "terminal::RerunTask",
+      "alt-t": "terminal::RerunTask"
     }
   },
   {
@@ -976,5 +989,12 @@
     "bindings": {
       "ctrl-r": "diagnostics::ToggleDiagnosticsRefresh"
     }
+  },
+  {
+    "context": "DebugConsole > Editor",
+    "use_key_equivalents": true,
+    "bindings": {
+      "enter": "menu::Confirm"
+    }
   }
 ]

assets/keymaps/default-macos.json

@@ -17,6 +17,7 @@
       "f4": "debugger::Start",
       "f5": "debugger::Continue",
       "shift-f5": "debugger::Stop",
+      "shift-cmd-f5": "debugger::Restart",
       "f6": "debugger::Pause",
       "f7": "debugger::StepOver",
       "f11": "debugger::StepInto",
@@ -248,18 +249,14 @@
     }
   },
   {
-    "context": "AssistantPanel",
+    "context": "Editor && editor_agent_diff",
     "use_key_equivalents": true,
     "bindings": {
-      "cmd-k c": "assistant::CopyCode",
-      "cmd-shift-e": "project_panel::ToggleFocus",
-      "cmd-g": "search::SelectNextMatch",
-      "cmd-shift-g": "search::SelectPreviousMatch",
-      "cmd-alt-/": "assistant::ToggleModelSelector",
-      "cmd-k h": "assistant::DeployHistory",
-      "cmd-k l": "assistant::OpenRulesLibrary",
-      "cmd-t": "assistant::NewChat",
-      "cmd-n": "assistant::NewChat"
+      "cmd-y": "agent::Keep",
+      "cmd-n": "agent::Reject",
+      "cmd-shift-y": "agent::KeepAll",
+      "cmd-shift-n": "agent::RejectAll",
+      "shift-ctrl-r": "agent::OpenAgentDiff"
     }
   },
   {
@@ -267,15 +264,17 @@
     "use_key_equivalents": true,
     "bindings": {
       "cmd-enter": "assistant::Assist",
-      "cmd-shift-enter": "assistant::Edit",
       "cmd-s": "workspace::Save",
       "cmd->": "assistant::QuoteSelection",
       "cmd-<": "assistant::InsertIntoEditor",
-      "cmd-alt-/": "assistant::ToggleModelSelector",
       "shift-enter": "assistant::Split",
       "ctrl-r": "assistant::CycleMessageRole",
       "enter": "assistant::ConfirmCommand",
-      "alt-enter": "editor::Newline"
+      "alt-enter": "editor::Newline",
+      "cmd-k c": "assistant::CopyCode",
+      "cmd-g": "search::SelectNextMatch",
+      "cmd-shift-g": "search::SelectPreviousMatch",
+      "cmd-k l": "agent::OpenRulesLibrary"
     }
   },
   {
@@ -286,14 +285,15 @@
       "cmd-alt-n": "agent::NewTextThread",
       "cmd-shift-h": "agent::OpenHistory",
       "cmd-alt-c": "agent::OpenConfiguration",
-      "cmd-alt-p": "assistant::OpenRulesLibrary",
+      "cmd-alt-p": "agent::OpenRulesLibrary",
       "cmd-i": "agent::ToggleProfileSelector",
-      "cmd-alt-/": "assistant::ToggleModelSelector",
+      "cmd-alt-/": "agent::ToggleModelSelector",
       "cmd-shift-a": "agent::ToggleContextPicker",
       "cmd-shift-o": "agent::ToggleNavigationMenu",
       "cmd-shift-i": "agent::ToggleOptionsMenu",
-      "shift-escape": "agent::ExpandMessageEditor",
-      "cmd-alt-e": "agent::RemoveAllContext"
+      "shift-alt-escape": "agent::ExpandMessageEditor",
+      "cmd-alt-e": "agent::RemoveAllContext",
+      "cmd-shift-e": "project_panel::ToggleFocus"
     }
   },
   {
@@ -589,6 +589,7 @@
       // "alt-cmd-o": ["projects::OpenRecent", {"create_new_window": true }],
       "alt-cmd-o": "projects::OpenRecent",
       "ctrl-cmd-o": "projects::OpenRemote",
+      "ctrl-cmd-shift-o": ["projects::OpenRemote", { "from_existing_connection": true }],
       "alt-cmd-b": "branches::OpenRecent",
       "ctrl-~": "workspace::NewTerminal",
       "cmd-s": "workspace::Save",
@@ -624,7 +625,8 @@
       "cmd-shift-e": "project_panel::ToggleFocus",
       "cmd-shift-b": "outline_panel::ToggleFocus",
       "ctrl-shift-g": "git_panel::ToggleFocus",
-      "cmd-?": "assistant::ToggleFocus",
+      "cmd-shift-d": "debug_panel::ToggleFocus",
+      "cmd-?": "agent::ToggleFocus",
       "cmd-alt-s": "workspace::SaveAll",
       "cmd-k m": "language_selector::Toggle",
       "escape": "workspace::Unfollow",
@@ -763,10 +765,10 @@
     "use_key_equivalents": true,
     "bindings": {
       "cmd-shift-a": "agent::ToggleContextPicker",
-      "cmd-alt-/": "assistant::ToggleModelSelector",
+      "cmd-alt-/": "agent::ToggleModelSelector",
       "cmd-alt-e": "agent::RemoveAllContext",
-      "ctrl-[": "assistant::CyclePreviousInlineAssist",
-      "ctrl-]": "assistant::CycleNextInlineAssist"
+      "ctrl-[": "agent::CyclePreviousInlineAssist",
+      "ctrl-]": "agent::CycleNextInlineAssist"
     }
   },
   {
@@ -826,7 +828,7 @@
       "alt-cmd-r": "project_panel::RevealInFileManager",
       "ctrl-shift-enter": "project_panel::OpenWithSystem",
       "cmd-alt-backspace": ["project_panel::Delete", { "skip_prompt": false }],
-      "cmd-shift-f": "project_panel::NewSearchInDirectory",
+      "cmd-alt-shift-f": "project_panel::NewSearchInDirectory",
       "shift-down": "menu::SelectNext",
       "shift-up": "menu::SelectPrevious",
       "escape": "menu::Cancel"
@@ -929,6 +931,13 @@
       "alt-tab": "git::GenerateCommitMessage"
     }
   },
+  {
+    "context": "DebugPanel",
+    "bindings": {
+      "cmd-t": "debugger::ToggleThreadPicker",
+      "cmd-i": "debugger::ToggleSessionPicker"
+    }
+  },
   {
     "context": "CollabPanel && not_editing",
     "use_key_equivalents": true,
@@ -1012,7 +1021,7 @@
       "alt-right": ["terminal::SendText", "\u001bf"],
       "alt-b": ["terminal::SendText", "\u001bb"],
       "alt-f": ["terminal::SendText", "\u001bf"],
-      "alt-.": ["terminal::SendText", "\u001b."],
+      "ctrl-delete": ["terminal::SendText", "\u001bd"],
       // There are conflicting bindings for these keys in the global context.
       // these bindings override them, remove at your own risk:
       "up": ["terminal::SendKeystroke", "up"],
@@ -1022,6 +1031,7 @@
       "escape": ["terminal::SendKeystroke", "escape"],
       "enter": ["terminal::SendKeystroke", "enter"],
       "ctrl-c": ["terminal::SendKeystroke", "ctrl-c"],
+      "ctrl-backspace": ["terminal::SendKeystroke", "ctrl-w"],
       "shift-pageup": "terminal::ScrollPageUp",
       "cmd-up": "terminal::ScrollPageUp",
       "shift-pagedown": "terminal::ScrollPageDown",
@@ -1038,7 +1048,8 @@
       "ctrl-alt-up": "pane::SplitUp",
       "ctrl-alt-down": "pane::SplitDown",
       "ctrl-alt-left": "pane::SplitLeft",
-      "ctrl-alt-right": "pane::SplitRight"
+      "ctrl-alt-right": "pane::SplitRight",
+      "cmd-alt-r": "terminal::RerunTask"
     }
   },
   {
@@ -1083,5 +1094,12 @@
     "bindings": {
       "ctrl-r": "diagnostics::ToggleDiagnosticsRefresh"
     }
+  },
+  {
+    "context": "DebugConsole > Editor",
+    "use_key_equivalents": true,
+    "bindings": {
+      "enter": "menu::Confirm"
+    }
   }
 ]

assets/keymaps/initial.json

@@ -13,7 +13,7 @@
     }
   },
   {
-    "context": "Editor",
+    "context": "Editor && vim_mode == insert",
     "bindings": {
       // "j k": ["workspace::SendKeystrokes", "escape"]
     }

assets/keymaps/linux/emacs.json

@@ -72,7 +72,9 @@
       "alt-left": "editor::SelectToPreviousWordStart",
       "alt-right": "editor::SelectToNextWordEnd",
       "pagedown": "editor::SelectPageDown",
+      "ctrl-v": "editor::SelectPageDown",
       "pageup": "editor::SelectPageUp",
+      "alt-v": "editor::SelectPageUp",
       "ctrl-f": "editor::SelectRight",
       "ctrl-b": "editor::SelectLeft",
       "ctrl-n": "editor::SelectDown",

assets/keymaps/linux/sublime_text.json

@@ -51,9 +51,7 @@
       "ctrl-k ctrl-l": "editor::ConvertToLowerCase",
       "shift-alt-m": "markdown::OpenPreviewToTheSide",
       "ctrl-backspace": "editor::DeleteToPreviousWordStart",
-      "ctrl-delete": "editor::DeleteToNextWordEnd",
-      "f3": "editor::FindNextMatch",
-      "shift-f3": "editor::FindPreviousMatch"
+      "ctrl-delete": "editor::DeleteToNextWordEnd"
     }
   },
   {

assets/keymaps/macos/emacs.json

@@ -72,7 +72,9 @@
       "alt-left": "editor::SelectToPreviousWordStart",
       "alt-right": "editor::SelectToNextWordEnd",
       "pagedown": "editor::SelectPageDown",
+      "ctrl-v": "editor::SelectPageDown",
       "pageup": "editor::SelectPageUp",
+      "alt-v": "editor::SelectPageUp",
       "ctrl-f": "editor::SelectRight",
       "ctrl-b": "editor::SelectLeft",
       "ctrl-n": "editor::SelectDown",

assets/keymaps/macos/sublime_text.json

@@ -53,9 +53,7 @@
       "cmd-shift-j": "editor::JoinLines",
       "shift-alt-m": "markdown::OpenPreviewToTheSide",
       "ctrl-backspace": "editor::DeleteToPreviousWordStart",
-      "ctrl-delete": "editor::DeleteToNextWordEnd",
-      "cmd-g": "editor::FindNextMatch",
-      "cmd-shift-g": "editor::FindPreviousMatch"
+      "ctrl-delete": "editor::DeleteToNextWordEnd"
     }
   },
   {

assets/keymaps/vim.json

@@ -152,6 +152,7 @@
       "g end": ["vim::EndOfLine", { "display_lines": true }],
       "g 0": ["vim::StartOfLine", { "display_lines": true }],
       "g home": ["vim::StartOfLine", { "display_lines": true }],
+      "g shift-m": ["vim::MiddleOfLine", { "display_lines": true }],
       "g ^": ["vim::FirstNonWhitespace", { "display_lines": true }],
       "g v": "vim::RestoreVisualSelection",
       "g ]": "editor::GoToDiagnostic",

assets/prompts/content_prompt.hbs

@@ -49,10 +49,9 @@ And here's the section to rewrite based on that prompt again for reference:
 </rewrite_this>
 
 {{#if diagnostic_errors}}
-{{#each diagnostic_errors}}
-
 Below are the diagnostic errors visible to the user.  If the user requests problems to be fixed, use this information, but do not try to fix these errors if the user hasn't asked you to.
 
+{{#each diagnostic_errors}}
 <diagnostic_error>
     <line_number>{{line_number}}</line_number>
     <error_message>{{error_message}}</error_message>

assets/prompts/suggest_edits.hbs

@@ -1,206 +0,0 @@
-<task_description>
-
-The user of a code editor wants to make a change to their codebase.
-You must describe the change using the following XML structure:
-
-- <patch> - A group of related code changes.
-  Child tags:
-    - <title> (required) - A high-level description of the changes. This should be as short
-      as possible, possibly using common abbreviations.
-    - <edit> (1 or more) - An edit to make at a particular range within a file.
-      Includes the following child tags:
-        - <path> (required) - The path to the file that will be changed.
-        - <description> (optional) - An arbitrarily-long comment that describes the purpose
-          of this edit.
-        - <old_text> (optional) - An excerpt from the file's current contents that uniquely
-          identifies a range within the file where the edit should occur. Required for all operations
-          except `create`.
-        - <new_text> (required) - The new text to insert into the file.
-        - <operation> (required) - The type of change that should occur at the given range
-          of the file. Must be one of the following values:
-            - `update`: Replaces the entire range with the new text.
-            - `insert_before`: Inserts the new text before the range.
-            - `insert_after`: Inserts new text after the range.
-            - `create`: Creates or overwrites a file with the given path and the new text.
-            - `delete`: Deletes the specified range from the file.
-
-<guidelines>
-- Never provide multiple edits whose ranges intersect each other. Instead, merge them into one edit.
-- Prefer multiple edits to smaller, disjoint ranges, rather than one edit to a larger range.
-- There's no need to escape angle brackets within XML tags.
-- Always ensure imports are added if you're referencing symbols that are not in scope.
-</guidelines>
-
-Here are some concrete examples.
-
-<example>
-<message role="user">
-
-```rs src/shapes.rs
-pub mod rectangle;
-pub mod circle;
-```
-
-```rs src/shapes/rectangle.rs
-pub struct Rectangle {
-    width: f64,
-    height: f64,
-}
-
-impl Rectangle {
-    pub fn new(width: f64, height: f64) -> Self {
-        Rectangle { width, height }
-    }
-}
-```
-
-```rs src/shapes/circle.rs
-pub struct Circle {
-    radius: f64,
-}
-
-impl Circle {
-    pub fn new(radius: f64) -> Self {
-        Circle { radius }
-    }
-}
-```
-
-Update all shapes to store their origin as an (x, y) tuple and implement Display.
-</message>
-
-<message role="assistant">
-We'll need to update both the rectangle and circle modules.
-
-<patch>
-<title>Add origins and display impls to shapes</title>
-<edit>
-<path>src/shapes/rectangle.rs</path>
-<description>Add the origin field to Rectangle struct</description>
-<operation>insert_after</operation>
-<old_text>
-pub struct Rectangle {
-</old_text>
-<new_text>
-origin: (f64, f64),
-</new_text>
-</edit>
-
-<edit>
-<path>src/shapes/rectangle.rs</path>
-<operation>update</operation>
-<old_text>
-fn new(width: f64, height: f64) -> Self {
-    Rectangle { width, height }
-}
-</old_text>
-<new_text>
-fn new(origin: (f64, f64), width: f64, height: f64) -> Self {
-    Rectangle { origin, width, height }
-}
-</new_text>
-</edit>
-
-<edit>
-<path>src/shapes/circle.rs</path>
-<description>Add the origin field to Circle struct</description>
-<operation>insert_after</operation>
-<old_text>
-pub struct Circle {
-    radius: f64,
-</old_text>
-<new_text>
-    origin: (f64, f64),
-</new_text>
-</edit>
-
-<edit>
-<path>src/shapes/circle.rs</path>
-<operation>update</operation>
-<old_text>
-fn new(radius: f64) -> Self {
-    Circle { radius }
-}
-</old_text>
-<new_text>
-fn new(origin: (f64, f64), radius: f64) -> Self {
-    Circle { origin, radius }
-}
-</new_text>
-</edit>
-</step>
-
-<edit>
-<path>src/shapes/rectangle.rs</path>
-<operation>insert_before</operation>
-<old_text>
-struct Rectangle {
-</old_text>
-<new_text>
-use std::fmt;
-
-</new_text>
-</edit>
-
-<edit>
-<path>src/shapes/rectangle.rs</path>
-<description>
-Add a manual Display implementation for Rectangle.
-Currently, this is the same as a derived Display implementation.
-</description>
-<operation>insert_after</operation>
-<old_text>
-        Rectangle { width, height }
-    }
-}
-</old_text>
-<new_text>
-impl fmt::Display for Rectangle {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        f.format_struct(f, "Rectangle")
-            .field("origin", &self.origin)
-            .field("width", &self.width)
-            .field("height", &self.height)
-            .finish()
-    }
-}
-</new_text>
-</edit>
-
-<edit>
-<path>src/shapes/circle.rs</path>
-<operation>insert_before</operation>
-<old_text>
-struct Circle {
-</old_text>
-<new_text>
-use std::fmt;
-</new_text>
-</edit>
-
-<edit>
-<path>src/shapes/circle.rs</path>
-<operation>insert_after</operation>
-<old_text>
-        Circle { radius }
-    }
-}
-</old_text>
-<new_text>
-impl fmt::Display for Rectangle {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        f.format_struct(f, "Rectangle")
-            .field("origin", &self.origin)
-            .field("width", &self.width)
-            .field("height", &self.height)
-            .finish()
-    }
-}
-</new_text>
-</edit>
-</patch>
-
-</message>
-</example>
-
-</task_description>

assets/settings/default.json

@@ -67,6 +67,8 @@
   "ui_font_weight": 400,
   // The default font size for text in the UI
   "ui_font_size": 16,
+  // The default font size for text in the agent panel
+  "agent_font_size": 16,
   // How much to fade out unused code.
   "unnecessary_code_fade": 0.3,
   // Active pane styling settings.
@@ -111,8 +113,8 @@
   // Whether to show the informational hover box when moving the mouse
   // over symbols in the editor.
   "hover_popover_enabled": true,
-  // Time to wait before showing the informational hover box
-  "hover_popover_delay": 350,
+  // Time to wait in milliseconds before showing the informational hover box.
+  "hover_popover_delay": 300,
   // Whether to confirm before quitting Zed.
   "confirm_quit": false,
   // Whether to restore last closed project when fresh Zed instance is opened.
@@ -216,6 +218,23 @@
   // 1. Do nothing: `none`
   // 2. Find references for the same symbol: `find_all_references` (default)
   "go_to_definition_fallback": "find_all_references",
+  // Which level to use to filter out diagnostics displayed in the editor.
+  //
+  // Affects the editor rendering only, and does not interrupt
+  // the functionality of diagnostics fetching and project diagnostics editor.
+  // Which files containing diagnostic errors/warnings to mark in the tabs.
+  // Diagnostics are only shown when file icons are also active.
+  // This setting only works when can take the following three values:
+  //
+  // Which diagnostic indicators to show in the scrollbar, their level should be more or equal to the specified severity level.
+  // Possible values:
+  //  - "off" — no diagnostics are allowed
+  //  - "error"
+  //  - "warning" (default)
+  //  - "info"
+  //  - "hint"
+  //  - null — allow all diagnostics
+  "diagnostics_max_severity": "warning",
   // Whether to show wrap guides (vertical rulers) in the editor.
   // Setting this to true will show a guide at the 'preferred_line_length' value
   // if 'soft_wrap' is set to 'preferred_line_length', and will show any
@@ -300,8 +319,25 @@
     "breadcrumbs": true,
     // Whether to show quick action buttons.
     "quick_actions": true,
-    // Whether to show the Selections menu in the editor toolbar
-    "selections_menu": true
+    // Whether to show the Selections menu in the editor toolbar.
+    "selections_menu": true,
+    // Whether to show agent review buttons in the editor toolbar.
+    "agent_review": true
+  },
+  // Titlebar related settings
+  "title_bar": {
+    // Whether to show the branch icon beside branch switcher in the titlebar.
+    "show_branch_icon": false,
+    // Whether to show the branch name button in the titlebar.
+    "show_branch_name": true,
+    // Whether to show the project host and name in the titlebar.
+    "show_project_items": true,
+    // Whether to show onboarding banners in the titlebar.
+    "show_onboarding_banner": true,
+    // Whether to show user picture in the titlebar.
+    "show_user_picture": true,
+    // Whether to show the sign in button in the titlebar.
+    "show_sign_in": true
   },
   // Scrollbar related settings
   "scrollbar": {
@@ -343,6 +379,45 @@
       "vertical": true
     }
   },
+  // Minimap related settings
+  "minimap": {
+    // When to show the minimap in the editor.
+    // This setting can take three values:
+    // 1. Show the minimap if the editor's scrollbar is visible:
+    //    "auto"
+    // 2. Always show the minimap:
+    //    "always"
+    // 3. Never show the minimap:
+    //    "never" (default)
+    "show": "never",
+    // When to show the minimap thumb.
+    // This setting can take two values:
+    // 1. Show the minimap thumb if the mouse is over the minimap:
+    //    "hover"
+    // 2. Always show the minimap thumb:
+    //    "always" (default)
+    "thumb": "always",
+    // How the minimap thumb border should look.
+    // This setting can take five values:
+    // 1. Display a border on all sides of the thumb:
+    //    "thumb_border": "full"
+    // 2. Display a border on all sides except the left side of the thumb:
+    //    "thumb_border": "left_open" (default)
+    // 3. Display a border on all sides except the right side of the thumb:
+    //    "thumb_border": "right_open"
+    // 4. Display a border only on the left side of the thumb:
+    //    "thumb_border": "left_only"
+    // 5. Display the thumb without any border:
+    //    "thumb_border": "none"
+    "thumb_border": "left_open",
+    // How to highlight the current line in the minimap.
+    // This setting can take the following values:
+    //
+    // 1. `null` to inherit the editor `current_line_highlight` setting (default)
+    // 2. "line" or "all" to highlight the current line in the minimap.
+    // 3. "gutter" or "none" to not highlight the current line in the minimap.
+    "current_line_highlight": null
+  },
   // Enable middle-click paste on Linux.
   "middle_click_paste": true,
   // What to do when multibuffer is double clicked in some of its excerpts
@@ -357,8 +432,6 @@
   "gutter": {
     // Whether to show line numbers in the gutter.
     "line_numbers": true,
-    // Whether to show code action buttons in the gutter.
-    "code_actions": true,
     // Whether to show runnables buttons in the gutter.
     "runnables": true,
     // Whether to show breakpoints in the gutter.
@@ -403,6 +476,8 @@
   "search_wrap": true,
   // Search options to enable by default when opening new project and buffer searches.
   "search": {
+    // Whether to show the project search button in the status bar.
+    "button": true,
     "whole_word": false,
     "case_sensitive": false,
     "include_ignored": false,
@@ -601,13 +676,11 @@
     //
     // Default: main
     "fallback_branch_name": "main",
-
     // Whether to sort entries in the panel by path
     // or by status (the default).
     //
     // Default: false
     "sort_by_path": false,
-
     "scrollbar": {
       // When to show the scrollbar in the git panel.
       //
@@ -628,39 +701,89 @@
     // Default width of the notification panel.
     "default_width": 380
   },
-  "assistant": {
+  "agent": {
     // Version of this setting.
     "version": "2",
-    // Whether the assistant is enabled.
+    // Whether the agent is enabled.
     "enabled": true,
-    // Whether to show the assistant panel button in the status bar.
+    /// What completion mode to start new threads in, if available. Can be 'normal' or 'max'.
+    "preferred_completion_mode": "normal",
+    // Whether to show the agent panel button in the status bar.
     "button": true,
-    // Where to dock the assistant panel. Can be 'left', 'right' or 'bottom'.
+    // Where to dock the agent panel. Can be 'left', 'right' or 'bottom'.
     "dock": "right",
-    // Default width when the assistant is docked to the left or right.
+    // Default width when the agent panel is docked to the left or right.
     "default_width": 640,
-    // Default height when the assistant is docked to the bottom.
+    // Default height when the agent panel is docked to the bottom.
     "default_height": 320,
-    // The default model to use when creating new chats.
+    // The default model to use when creating new threads.
     "default_model": {
       // The provider to use.
       "provider": "zed.dev",
       // The model to use.
       "model": "claude-3-7-sonnet-latest"
     },
-    // The model to use when applying edits from the assistant.
+    // The model to use when applying edits from the agent.
     "editor_model": {
       // The provider to use.
       "provider": "zed.dev",
       // The model to use.
       "model": "claude-3-7-sonnet-latest"
     },
+    // Additional parameters for language model requests. When making a request to a model, parameters will be taken
+    // from the last entry in this list that matches the model's provider and name. In each entry, both provider
+    // and model are optional, so that you can specify parameters for either one.
+    "model_parameters": [
+      // To set parameters for all requests to OpenAI models:
+      // {
+      //   "provider": "openai",
+      //   "temperature": 0.5
+      // }
+      //
+      // To set parameters for all requests in general:
+      // {
+      //   "temperature": 0
+      // }
+      //
+      // To set parameters for a specific provider and model:
+      // {
+      //   "provider": "zed.dev",
+      //   "model": "claude-3-7-sonnet-latest",
+      //   "temperature": 1.0
+      // }
+    ],
     // When enabled, the agent can run potentially destructive actions without asking for your confirmation.
     "always_allow_tool_actions": false,
     // When enabled, the agent will stream edits.
     "stream_edits": false,
+    // When enabled, agent edits will be displayed in single-file editors for review
+    "single_file_review": true,
+    // When enabled, show voting thumbs for feedback on agent edits.
+    "enable_feedback": true,
     "default_profile": "write",
     "profiles": {
+      "write": {
+        "name": "Write",
+        "enable_all_context_servers": true,
+        "tools": {
+          "copy_path": true,
+          "create_directory": true,
+          "create_file": true,
+          "delete_path": true,
+          "diagnostics": true,
+          "edit_file": true,
+          "fetch": true,
+          "list_directory": true,
+          "move_path": true,
+          "now": true,
+          "find_path": true,
+          "read_file": true,
+          "grep": true,
+          "terminal": true,
+          "thinking": true,
+          "web_search": true
+        }
+      },
       "ask": {
         "name": "Ask",
         // We don't know which of the context server tools are safe for the "Ask" profile, so we don't enable them by default.
@@ -669,7 +792,7 @@
           "contents": true,
           "diagnostics": true,
           "fetch": true,
-          "list_directory": false,
+          "list_directory": true,
           "now": true,
           "find_path": true,
           "read_file": true,
@@ -679,40 +802,13 @@
           "web_search": true
         }
       },
-      "write": {
-        "name": "Write",
-        "enable_all_context_servers": true,
-        "tools": {
-          "batch_tool": false,
-          "code_actions": false,
-          "code_symbols": false,
-          "contents": false,
-          "copy_path": false,
-          "create_file": true,
-          "delete_path": false,
-          "diagnostics": true,
-          "edit_file": true,
-          "fetch": true,
-          "list_directory": true,
-          "move_path": false,
-          "now": false,
-          "find_path": true,
-          "read_file": true,
-          "grep": true,
-          "rename": false,
-          "symbol_info": false,
-          "terminal": true,
-          "thinking": true,
-          "web_search": true
-        }
-      },
-      "manual": {
-        "name": "Manual",
+      "minimal": {
+        "name": "Minimal",
         "enable_all_context_servers": false,
         "tools": {}
       }
     },
-    // Where to show notifications when an agent has either completed
+    // Where to show notifications when the agent has either completed
     // its response, or else needs confirmation before it can run a
     // tool action.
     // "primary_screen" - Show the notification only on your primary screen (default)
@@ -902,6 +998,8 @@
   "hard_tabs": false,
   // How many columns a tab should occupy.
   "tab_size": 4,
+  // What debuggers are preferred by default for all languages.
+  "debuggers": [],
   // Control what info is collected by Zed.
   "telemetry": {
     // Send debug info like crash reports.
@@ -914,6 +1012,8 @@
   "auto_update": true,
   // Diagnostics configuration.
   "diagnostics": {
+    // Whether to show the project diagnostics button in the status bar.
+    "button": true,
     // Whether to show warnings or not by default.
     "include_warnings": true,
     // Settings for inline diagnostics
@@ -931,7 +1031,7 @@
       // longer than this value will still push diagnostics further to the right.
       "min_column": 0,
       // The minimum severity of the diagnostics to show inline.
-      // Shows all diagnostics when not specified.
+      // Inherits editor's diagnostics' max severity settings when `null`.
       "max_severity": null
     },
     "cargo": {
@@ -1017,9 +1117,9 @@
     // 2. Display predictions inline only when holding a modifier key (alt by default).
     //     "mode": "subtle"
     "mode": "eager",
-    // Whether edit predictions are enabled in the assistant panel.
+    // Whether edit predictions are enabled when editing text threads.
     // This setting has no effect if globally disabled.
-    "enabled_in_assistant": true
+    "enabled_in_text_threads": true
   },
   // Settings specific to journaling
   "journal": {
@@ -1209,21 +1309,22 @@
     "JSONC": ["**/.zed/**/*.json", "**/zed/**/*.json", "**/Zed/**/*.json", "**/.vscode/**/*.json"],
     "Shell Script": [".env.*"]
   },
-  // By default use a recent system version of node, or install our own.
-  // You can override this to use a version of node that is not in $PATH with:
-  // {
-  //   "node": {
-  //     "path": "/path/to/node"
-  //     "npm_path": "/path/to/npm" (defaults to node_path/../npm)
-  //   }
-  // }
-  // or to ensure Zed always downloads and installs an isolated version of node:
-  // {
-  //   "node": {
-  //     "ignore_system_version": true,
-  //   }
-  // NOTE: changing this setting currently requires restarting Zed.
-  "node": {},
+  // Settings for which version of Node.js and NPM to use when installing
+  // language servers and Copilot.
+  //
+  // Note: changing this setting currently requires restarting Zed.
+  "node": {
+    // By default, Zed will look for `node` and `npm` on your `$PATH`, and use the
+    // existing executables if their version is recent enough. Set this to `true`
+    // to prevent this, and force Zed to always download and install its own
+    // version of Node.
+    "ignore_system_version": false,
+    // You can also specify alternative paths to Node and NPM. If you specify
+    // `path`, but not `npm_path`, Zed will assume that `npm` is located at
+    // `${path}/../npm`.
+    "path": null,
+    "npm_path": null
+  },
   // The extensions that Zed should automatically install on startup.
   //
   // If you don't want any of these extensions, add this field to your settings
@@ -1321,6 +1422,9 @@
     "Elixir": {
       "language_servers": ["elixir-ls", "!next-ls", "!lexical", "..."]
     },
+    "Elm": {
+      "tab_size": 4
+    },
     "Erlang": {
       "language_servers": ["erlang-ls", "!elp", "..."]
     },
@@ -1595,8 +1699,6 @@
   //   "W": "workspace::Save"
   // }
   "command_aliases": {},
-  // Whether to show user picture in titlebar.
-  "show_user_picture": true,
   // ssh_connections is an array of ssh connections.
   // You can configure these from `project: Open Remote` in the command palette.
   // Zed's ssh support will pull configuration from your ~/.ssh too.
@@ -1613,7 +1715,9 @@
   //   }
   // ]
   "ssh_connections": [],
-  // Configures context servers for use in the Assistant.
+  // Whether to read ~/.ssh/config for ssh connection sources.
+  "read_ssh_config": true,
+  // Configures context servers for use by the agent.
   "context_servers": {},
   "debugger": {
     "stepping_granularity": "line",

crates/activity_indicator/src/activity_indicator.rs

@@ -43,6 +43,7 @@ pub struct ActivityIndicator {
     context_menu_handle: PopoverMenuHandle<ContextMenu>,
 }
 
+#[derive(Debug)]
 struct ServerStatus {
     name: SharedString,
     status: BinaryStatus,
@@ -70,6 +71,7 @@ impl ActivityIndicator {
     ) -> Entity<ActivityIndicator> {
         let project = workspace.project().clone();
         let auto_updater = AutoUpdater::get(cx);
+        let workspace_handle = cx.entity();
         let this = cx.new(|cx| {
             let mut status_events = languages.language_server_binary_statuses();
             cx.spawn(async move |this, cx| {
@@ -84,17 +86,23 @@ impl ActivityIndicator {
             })
             .detach();
 
-            let mut status_events = languages.dap_server_binary_statuses();
-            cx.spawn(async move |this, cx| {
-                while let Some((name, status)) = status_events.next().await {
-                    this.update(cx, |this, cx| {
-                        this.statuses.retain(|s| s.name != name);
-                        this.statuses.push(ServerStatus { name, status });
-                        cx.notify();
-                    })?;
-                }
-                anyhow::Ok(())
-            })
+            cx.subscribe_in(
+                &workspace_handle,
+                window,
+                |activity_indicator, _, event, window, cx| match event {
+                    workspace::Event::ClearActivityIndicator { .. } => {
+                        if activity_indicator.statuses.pop().is_some() {
+                            activity_indicator.dismiss_error_message(
+                                &DismissErrorMessage,
+                                window,
+                                cx,
+                            );
+                            cx.notify();
+                        }
+                    }
+                    _ => {}
+                },
+            )
             .detach();
 
             cx.subscribe(
@@ -128,7 +136,7 @@ impl ActivityIndicator {
             }
 
             Self {
-                statuses: Default::default(),
+                statuses: Vec::new(),
                 project: project.clone(),
                 auto_updater,
                 context_menu_handle: Default::default(),
@@ -198,11 +206,8 @@ impl ActivityIndicator {
         cx: &mut Context<Self>,
     ) {
         if let Some(updater) = &self.auto_updater {
-            updater.update(cx, |updater, cx| {
-                updater.dismiss_error(cx);
-            });
+            updater.update(cx, |updater, cx| updater.dismiss_error(cx));
         }
-        cx.notify();
     }
 
     fn pending_language_server_work<'a>(
@@ -480,7 +485,7 @@ impl ActivityIndicator {
                         this.dismiss_error_message(&DismissErrorMessage, window, cx)
                     })),
                 }),
-                AutoUpdateStatus::Updated { binary_path } => Some(Content {
+                AutoUpdateStatus::Updated { binary_path, .. } => Some(Content {
                     icon: None,
                     message: "Click to restart and update Zed".to_string(),
                     on_click: Some(Arc::new({

crates/agent/Cargo.toml

@@ -9,7 +9,7 @@ license = "GPL-3.0-or-later"
 workspace = true
 
 [lib]
-path = "src/assistant.rs"
+path = "src/agent.rs"
 doctest = false
 
 [features]
@@ -23,13 +23,13 @@ anyhow.workspace = true
 assistant_context_editor.workspace = true
 assistant_settings.workspace = true
 assistant_slash_command.workspace = true
+assistant_slash_commands.workspace = true
 assistant_tool.workspace = true
 async-watch.workspace = true
 buffer_diff.workspace = true
 chrono.workspace = true
 client.workspace = true
 collections.workspace = true
-command_palette_hooks.workspace = true
 component.workspace = true
 context_server.workspace = true
 convert_case.workspace = true
@@ -46,13 +46,12 @@ gpui.workspace = true
 heed.workspace = true
 html_to_markdown.workspace = true
 http_client.workspace = true
-indexmap.workspace = true
+indexed_docs.workspace = true
+inventory.workspace = true
 itertools.workspace = true
 jsonschema.workspace = true
 language.workspace = true
 language_model.workspace = true
-language_model_selector.workspace = true
-linkme.workspace = true
 log.workspace = true
 lsp.workspace = true
 markdown.workspace = true
@@ -65,13 +64,14 @@ paths.workspace = true
 picker.workspace = true
 postage.workspace = true
 project.workspace = true
-rules_library.workspace = true
 prompt_store.workspace = true
 proto.workspace = true
 ref-cast.workspace = true
 release_channel.workspace = true
 rope.workspace = true
+rules_library.workspace = true
 schemars.workspace = true
+search.workspace = true
 serde.workspace = true
 serde_json.workspace = true
 serde_json_lenient.workspace = true
@@ -90,6 +90,7 @@ time.workspace = true
 time_format.workspace = true
 ui.workspace = true
 ui_input.workspace = true
+urlencoding.workspace = true
 util.workspace = true
 uuid.workspace = true
 workspace-hack.workspace = true

crates/agent/src/agent.rs

@@ -1,102 +1,124 @@
-#![cfg_attr(target_os = "windows", allow(unused, dead_code))]
-
-mod assistant_configuration;
-pub mod assistant_panel;
+mod active_thread;
+mod agent_configuration;
+mod agent_diff;
+mod agent_model_selector;
+mod agent_panel;
+mod buffer_codegen;
+mod context;
+mod context_picker;
+mod context_server_configuration;
+mod context_server_tool;
+mod context_store;
+mod context_strip;
+mod debug;
+mod history_store;
 mod inline_assistant;
-pub mod slash_command_settings;
+mod inline_prompt_editor;
+mod message_editor;
+mod profile_selector;
+mod slash_command_settings;
+mod terminal_codegen;
 mod terminal_inline_assistant;
+mod thread;
+mod thread_history;
+mod thread_store;
+mod tool_compatibility;
+mod tool_use;
+mod ui;
 
 use std::sync::Arc;
 
-use assistant_settings::{AssistantSettings, LanguageModelSelection};
+use assistant_settings::{AgentProfileId, AssistantSettings, LanguageModelSelection};
 use assistant_slash_command::SlashCommandRegistry;
 use client::Client;
-use command_palette_hooks::CommandPaletteFilter;
-use feature_flags::FeatureFlagAppExt;
+use feature_flags::FeatureFlagAppExt as _;
 use fs::Fs;
-use gpui::{App, Global, ReadGlobal, UpdateGlobal, actions};
-use language_model::{
-    LanguageModelId, LanguageModelProviderId, LanguageModelRegistry, LanguageModelResponseMessage,
-};
+use gpui::{App, actions, impl_actions};
+use language::LanguageRegistry;
+use language_model::{LanguageModelId, LanguageModelProviderId, LanguageModelRegistry};
 use prompt_store::PromptBuilder;
+use schemars::JsonSchema;
 use serde::Deserialize;
-use settings::{Settings, SettingsStore};
+use settings::{Settings as _, SettingsStore};
+use thread::ThreadId;
 
-pub use crate::assistant_panel::{AssistantPanel, AssistantPanelEvent};
-pub(crate) use crate::inline_assistant::*;
+pub use crate::active_thread::ActiveThread;
+use crate::agent_configuration::{AddContextServerModal, ManageProfilesModal};
+pub use crate::agent_panel::{AgentPanel, ConcreteAssistantPanelDelegate};
+pub use crate::context::{ContextLoadResult, LoadedContext};
+pub use crate::inline_assistant::InlineAssistant;
 use crate::slash_command_settings::SlashCommandSettings;
+pub use crate::thread::{Message, MessageSegment, Thread, ThreadEvent};
+pub use crate::thread_store::{SerializedThread, TextThreadStore, ThreadStore};
+pub use agent_diff::{AgentDiffPane, AgentDiffToolbar};
+pub use context_store::ContextStore;
+pub use ui::preview::{all_agent_previews, get_agent_preview};
 
 actions!(
-    assistant,
+    agent,
     [
-        InsertActivePrompt,
-        DeployHistory,
-        NewChat,
+        NewTextThread,
+        ToggleContextPicker,
+        ToggleNavigationMenu,
+        ToggleOptionsMenu,
+        DeleteRecentlyOpenThread,
+        ToggleProfileSelector,
+        RemoveAllContext,
+        ExpandMessageEditor,
+        OpenHistory,
+        AddContextServer,
+        RemoveSelectedThread,
+        Chat,
         CycleNextInlineAssist,
-        CyclePreviousInlineAssist
+        CyclePreviousInlineAssist,
+        FocusUp,
+        FocusDown,
+        FocusLeft,
+        FocusRight,
+        RemoveFocusedContext,
+        AcceptSuggestedContext,
+        OpenActiveThreadAsMarkdown,
+        OpenAgentDiff,
+        Keep,
+        Reject,
+        RejectAll,
+        KeepAll,
+        Follow,
+        ResetTrialUpsell,
+        ResetTrialEndUpsell,
     ]
 );
 
-const DEFAULT_CONTEXT_LINES: usize = 50;
-
-#[derive(Deserialize, Debug)]
-pub struct LanguageModelUsage {
-    pub prompt_tokens: u32,
-    pub completion_tokens: u32,
-    pub total_tokens: u32,
+#[derive(Default, Clone, PartialEq, Deserialize, JsonSchema)]
+pub struct NewThread {
+    #[serde(default)]
+    from_thread_id: Option<ThreadId>,
 }
 
-#[derive(Deserialize, Debug)]
-pub struct LanguageModelChoiceDelta {
-    pub index: u32,
-    pub delta: LanguageModelResponseMessage,
-    pub finish_reason: Option<String>,
+#[derive(PartialEq, Clone, Default, Debug, Deserialize, JsonSchema)]
+pub struct ManageProfiles {
+    #[serde(default)]
+    pub customize_tools: Option<AgentProfileId>,
 }
 
-/// The state pertaining to the Assistant.
-#[derive(Default)]
-struct Assistant {
-    /// Whether the Assistant is enabled.
-    enabled: bool,
-}
-
-impl Global for Assistant {}
-
-impl Assistant {
-    const NAMESPACE: &'static str = "assistant";
-
-    fn set_enabled(&mut self, enabled: bool, cx: &mut App) {
-        if self.enabled == enabled {
-            return;
+impl ManageProfiles {
+    pub fn customize_tools(profile_id: AgentProfileId) -> Self {
+        Self {
+            customize_tools: Some(profile_id),
         }
-
-        self.enabled = enabled;
-
-        if !enabled {
-            CommandPaletteFilter::update_global(cx, |filter, _cx| {
-                filter.hide_namespace(Self::NAMESPACE);
-            });
-
-            return;
-        }
-
-        CommandPaletteFilter::update_global(cx, |filter, _cx| {
-            filter.show_namespace(Self::NAMESPACE);
-        });
-    }
-
-    pub fn enabled(cx: &App) -> bool {
-        Self::global(cx).enabled
     }
 }
 
+impl_actions!(agent, [NewThread, ManageProfiles]);
+
+/// Initializes the `agent` crate.
 pub fn init(
     fs: Arc<dyn Fs>,
     client: Arc<Client>,
     prompt_builder: Arc<PromptBuilder>,
+    language_registry: Arc<LanguageRegistry>,
     cx: &mut App,
 ) {
-    cx.set_global(Assistant::default());
     AssistantSettings::register(cx);
     SlashCommandSettings::register(cx);
 
@@ -104,9 +126,9 @@ pub fn init(
     rules_library::init(cx);
     init_language_model_settings(cx);
     assistant_slash_command::init(cx);
-    assistant_tool::init(cx);
-    assistant_panel::init(cx);
-    context_server::init(cx);
+    thread_store::init(cx);
+    agent_panel::init(cx);
+    context_server_configuration::init(language_registry, cx);
 
     register_slash_commands(cx);
     inline_assistant::init(
@@ -122,22 +144,8 @@ pub fn init(
         cx,
     );
     indexed_docs::init(cx);
-
-    CommandPaletteFilter::update_global(cx, |filter, _cx| {
-        filter.hide_namespace(Assistant::NAMESPACE);
-    });
-    Assistant::update_global(cx, |assistant, cx| {
-        let settings = AssistantSettings::get_global(cx);
-
-        assistant.set_enabled(settings.enabled, cx);
-    });
-    cx.observe_global::<SettingsStore>(|cx| {
-        Assistant::update_global(cx, |assistant, cx| {
-            let settings = AssistantSettings::get_global(cx);
-            assistant.set_enabled(settings.enabled, cx);
-        });
-    })
-    .detach();
+    cx.observe_new(AddContextServerModal::register).detach();
+    cx.observe_new(ManageProfilesModal::register).detach();
 }
 
 fn init_language_model_settings(cx: &mut App) {
@@ -164,7 +172,7 @@ fn update_active_language_model_from_settings(cx: &mut App) {
 
     fn to_selected_model(selection: &LanguageModelSelection) -> language_model::SelectedModel {
         language_model::SelectedModel {
-            provider: LanguageModelProviderId::from(selection.provider.clone()),
+            provider: LanguageModelProviderId::from(selection.provider.0.clone()),
             model: LanguageModelId::from(selection.model.clone()),
         }
     }
@@ -209,7 +217,6 @@ fn register_slash_commands(cx: &mut App) {
     slash_command_registry.register_command(assistant_slash_commands::PromptSlashCommand, true);
     slash_command_registry.register_command(assistant_slash_commands::SelectionCommand, true);
     slash_command_registry.register_command(assistant_slash_commands::DefaultSlashCommand, false);
-    slash_command_registry.register_command(assistant_slash_commands::TerminalSlashCommand, true);
     slash_command_registry.register_command(assistant_slash_commands::NowSlashCommand, false);
     slash_command_registry
         .register_command(assistant_slash_commands::DiagnosticsSlashCommand, true);
@@ -251,11 +258,3 @@ fn update_slash_commands_from_settings(cx: &mut App) {
             .unregister_command(assistant_slash_commands::CargoWorkspaceSlashCommand);
     }
 }
-
-#[cfg(test)]
-#[ctor::ctor]
-fn init_logger() {
-    if std::env::var("RUST_LOG").is_ok() {
-        env_logger::init();
-    }
-}

crates/agent/src/agent_configuration.rs

@@ -8,17 +8,18 @@ use std::{sync::Arc, time::Duration};
 use assistant_settings::AssistantSettings;
 use assistant_tool::{ToolSource, ToolWorkingSet};
 use collections::HashMap;
-use context_server::manager::{ContextServer, ContextServerManager, ContextServerStatus};
+use context_server::ContextServerId;
 use fs::Fs;
 use gpui::{
     Action, Animation, AnimationExt as _, AnyView, App, Entity, EventEmitter, FocusHandle,
     Focusable, ScrollHandle, Subscription, pulsating_between,
 };
 use language_model::{LanguageModelProvider, LanguageModelProviderId, LanguageModelRegistry};
+use project::context_server_store::{ContextServerStatus, ContextServerStore};
 use settings::{Settings, update_settings_file};
 use ui::{
-    Disclosure, Divider, DividerColor, ElevationIndex, Indicator, Scrollbar, ScrollbarState,
-    Switch, SwitchColor, Tooltip, prelude::*,
+    Disclosure, ElevationIndex, Indicator, Scrollbar, ScrollbarState, Switch, SwitchColor, Tooltip,
+    prelude::*,
 };
 use util::ResultExt as _;
 use zed_actions::ExtensionCategoryFilter;
@@ -29,22 +30,23 @@ pub(crate) use manage_profiles_modal::ManageProfilesModal;
 
 use crate::AddContextServer;
 
-pub struct AssistantConfiguration {
+pub struct AgentConfiguration {
     fs: Arc<dyn Fs>,
     focus_handle: FocusHandle,
     configuration_views_by_provider: HashMap<LanguageModelProviderId, AnyView>,
-    context_server_manager: Entity<ContextServerManager>,
-    expanded_context_server_tools: HashMap<Arc<str>, bool>,
+    context_server_store: Entity<ContextServerStore>,
+    expanded_context_server_tools: HashMap<ContextServerId, bool>,
+    expanded_provider_configurations: HashMap<LanguageModelProviderId, bool>,
     tools: Entity<ToolWorkingSet>,
     _registry_subscription: Subscription,
     scroll_handle: ScrollHandle,
     scrollbar_state: ScrollbarState,
 }
 
-impl AssistantConfiguration {
+impl AgentConfiguration {
     pub fn new(
         fs: Arc<dyn Fs>,
-        context_server_manager: Entity<ContextServerManager>,
+        context_server_store: Entity<ContextServerStore>,
         tools: Entity<ToolWorkingSet>,
         window: &mut Window,
         cx: &mut Context<Self>,
@@ -75,8 +77,9 @@ impl AssistantConfiguration {
             fs,
             focus_handle,
             configuration_views_by_provider: HashMap::default(),
-            context_server_manager,
+            context_server_store,
             expanded_context_server_tools: HashMap::default(),
+            expanded_provider_configurations: HashMap::default(),
             tools,
             _registry_subscription: registry_subscription,
             scroll_handle,
@@ -95,6 +98,7 @@ impl AssistantConfiguration {
 
     fn remove_provider_configuration_view(&mut self, provider_id: &LanguageModelProviderId) {
         self.configuration_views_by_provider.remove(provider_id);
+        self.expanded_provider_configurations.remove(provider_id);
     }
 
     fn add_provider_configuration_view(
@@ -109,7 +113,7 @@ impl AssistantConfiguration {
     }
 }
 
-impl Focusable for AssistantConfiguration {
+impl Focusable for AgentConfiguration {
     fn focus_handle(&self, _: &App) -> FocusHandle {
         self.focus_handle.clone()
     }
@@ -119,9 +123,9 @@ pub enum AssistantConfigurationEvent {
     NewThread(Arc<dyn LanguageModelProvider>),
 }
 
-impl EventEmitter<AssistantConfigurationEvent> for AssistantConfiguration {}
+impl EventEmitter<AssistantConfigurationEvent> for AgentConfiguration {}
 
-impl AssistantConfiguration {
+impl AgentConfiguration {
     fn render_provider_configuration_block(
         &mut self,
         provider: &Arc<dyn LanguageModelProvider>,
@@ -134,9 +138,14 @@ impl AssistantConfiguration {
             .get(&provider.id())
             .cloned();
 
+        let is_expanded = self
+            .expanded_provider_configurations
+            .get(&provider.id())
+            .copied()
+            .unwrap_or(false);
+
         v_flex()
             .pt_3()
-            .pb_1()
             .gap_1p5()
             .border_t_1()
             .border_color(cx.theme().colors().border.opacity(0.6))
@@ -151,36 +160,63 @@ impl AssistantConfiguration {
                                     .size(IconSize::Small)
                                     .color(Color::Muted),
                             )
-                            .child(Label::new(provider_name.clone()).size(LabelSize::Large)),
+                            .child(Label::new(provider_name.clone()).size(LabelSize::Large))
+                            .when(provider.is_authenticated(cx) && !is_expanded, |parent| {
+                                parent.child(Icon::new(IconName::Check).color(Color::Success))
+                            }),
                     )
-                    .when(provider.is_authenticated(cx), |parent| {
-                        parent.child(
-                            Button::new(
-                                SharedString::from(format!("new-thread-{provider_id}")),
-                                "Start New Thread",
-                            )
-                            .icon_position(IconPosition::Start)
-                            .icon(IconName::Plus)
-                            .icon_size(IconSize::Small)
-                            .style(ButtonStyle::Filled)
-                            .layer(ElevationIndex::ModalSurface)
-                            .label_size(LabelSize::Small)
-                            .on_click(cx.listener({
-                                let provider = provider.clone();
-                                move |_this, _event, _window, cx| {
-                                    cx.emit(AssistantConfigurationEvent::NewThread(
-                                        provider.clone(),
-                                    ))
-                                }
-                            })),
-                        )
-                    }),
+                    .child(
+                        h_flex()
+                            .gap_1()
+                            .when(provider.is_authenticated(cx), |parent| {
+                                parent.child(
+                                    Button::new(
+                                        SharedString::from(format!("new-thread-{provider_id}")),
+                                        "Start New Thread",
+                                    )
+                                    .icon_position(IconPosition::Start)
+                                    .icon(IconName::Plus)
+                                    .icon_size(IconSize::Small)
+                                    .layer(ElevationIndex::ModalSurface)
+                                    .label_size(LabelSize::Small)
+                                    .on_click(cx.listener({
+                                        let provider = provider.clone();
+                                        move |_this, _event, _window, cx| {
+                                            cx.emit(AssistantConfigurationEvent::NewThread(
+                                                provider.clone(),
+                                            ))
+                                        }
+                                    })),
+                                )
+                            })
+                            .child(
+                                Disclosure::new(
+                                    SharedString::from(format!(
+                                        "provider-disclosure-{provider_id}"
+                                    )),
+                                    is_expanded,
+                                )
+                                .opened_icon(IconName::ChevronUp)
+                                .closed_icon(IconName::ChevronDown)
+                                .on_click(cx.listener({
+                                    let provider_id = provider.id().clone();
+                                    move |this, _event, _window, _cx| {
+                                        let is_expanded = this
+                                            .expanded_provider_configurations
+                                            .entry(provider_id.clone())
+                                            .or_insert(false);
+
+                                        *is_expanded = !*is_expanded;
+                                    }
+                                })),
+                            ),
+                    ),
             )
-            .map(|parent| match configuration_view {
+            .when(is_expanded, |parent| match configuration_view {
                 Some(configuration_view) => parent.child(configuration_view),
-                None => parent.child(div().child(Label::new(format!(
+                None => parent.child(Label::new(format!(
                     "No configuration view for {provider_name}",
-                )))),
+                ))),
             })
     }
 
@@ -194,7 +230,8 @@ impl AssistantConfiguration {
             .p(DynamicSpacing::Base16.rems(cx))
             .pr(DynamicSpacing::Base20.rems(cx))
             .gap_4()
-            .flex_1()
+            .border_b_1()
+            .border_color(cx.theme().colors().border)
             .child(
                 v_flex()
                     .gap_0p5()
@@ -214,47 +251,92 @@ impl AssistantConfiguration {
     fn render_command_permission(&mut self, cx: &mut Context<Self>) -> impl IntoElement {
         let always_allow_tool_actions = AssistantSettings::get_global(cx).always_allow_tool_actions;
 
-        const HEADING: &str = "Allow running editing tools without asking for confirmation";
+        h_flex()
+            .gap_4()
+            .justify_between()
+            .flex_wrap()
+            .child(
+                v_flex()
+                    .gap_0p5()
+                    .max_w_5_6()
+                    .child(Label::new("Allow running editing tools without asking for confirmation"))
+                    .child(
+                        Label::new(
+                            "The agent can perform potentially destructive actions without asking for your confirmation.",
+                        )
+                        .color(Color::Muted),
+                    ),
+            )
+            .child(
+                Switch::new(
+                    "always-allow-tool-actions-switch",
+                    always_allow_tool_actions.into(),
+                )
+                .color(SwitchColor::Accent)
+                .on_click({
+                    let fs = self.fs.clone();
+                    move |state, _window, cx| {
+                        let allow = state == &ToggleState::Selected;
+                        update_settings_file::<AssistantSettings>(
+                            fs.clone(),
+                            cx,
+                            move |settings, _| {
+                                settings.set_always_allow_tool_actions(allow);
+                            },
+                        );
+                    }
+                }),
+            )
+    }
 
+    fn render_single_file_review(&mut self, cx: &mut Context<Self>) -> impl IntoElement {
+        let single_file_review = AssistantSettings::get_global(cx).single_file_review;
+
+        h_flex()
+            .gap_4()
+            .justify_between()
+            .flex_wrap()
+            .child(
+                v_flex()
+                    .gap_0p5()
+                    .max_w_5_6()
+                    .child(Label::new("Enable single-file agent reviews"))
+                    .child(
+                        Label::new(
+                            "Agent edits are also displayed in single-file editors for review.",
+                        )
+                        .color(Color::Muted),
+                    ),
+            )
+            .child(
+                Switch::new("single-file-review-switch", single_file_review.into())
+                    .color(SwitchColor::Accent)
+                    .on_click({
+                        let fs = self.fs.clone();
+                        move |state, _window, cx| {
+                            let allow = state == &ToggleState::Selected;
+                            update_settings_file::<AssistantSettings>(
+                                fs.clone(),
+                                cx,
+                                move |settings, _| {
+                                    settings.set_single_file_review(allow);
+                                },
+                            );
+                        }
+                    }),
+            )
+    }
+
+    fn render_general_settings_section(&mut self, cx: &mut Context<Self>) -> impl IntoElement {
         v_flex()
             .p(DynamicSpacing::Base16.rems(cx))
             .pr(DynamicSpacing::Base20.rems(cx))
-            .gap_2()
-            .flex_1()
+            .gap_2p5()
+            .border_b_1()
+            .border_color(cx.theme().colors().border)
             .child(Headline::new("General Settings"))
-            .child(
-                h_flex()
-                    .gap_4()
-                    .justify_between()
-                    .flex_wrap()
-                    .child(
-                        v_flex()
-                            .gap_0p5()
-                            .max_w_5_6()
-                            .child(Label::new(HEADING))
-                            .child(Label::new("When enabled, the agent can perform potentially destructive actions without asking for your confirmation.").color(Color::Muted)),
-                    )
-                    .child(
-                        Switch::new(
-                            "always-allow-tool-actions-switch",
-                            always_allow_tool_actions.into(),
-                        )
-                        .color(SwitchColor::Accent)
-                        .on_click({
-                            let fs = self.fs.clone();
-                            move |state, _window, cx| {
-                                let allow = state == &ToggleState::Selected;
-                                update_settings_file::<AssistantSettings>(
-                                    fs.clone(),
-                                    cx,
-                                    move |settings, _| {
-                                        settings.set_always_allow_tool_actions(allow);
-                                    },
-                                );
-                            }
-                        }),
-                    ),
-            )
+            .child(self.render_command_permission(cx))
+            .child(self.render_single_file_review(cx))
     }
 
     fn render_context_servers_section(
@@ -262,25 +344,24 @@ impl AssistantConfiguration {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) -> impl IntoElement {
-        let context_servers = self.context_server_manager.read(cx).all_servers().clone();
-
-        const SUBHEADING: &str = "Connect to context servers via the Model Context Protocol either via Zed extensions or directly.";
+        let context_server_ids = self.context_server_store.read(cx).all_server_ids().clone();
 
         v_flex()
             .p(DynamicSpacing::Base16.rems(cx))
             .pr(DynamicSpacing::Base20.rems(cx))
             .gap_2()
-            .flex_1()
+            .border_b_1()
+            .border_color(cx.theme().colors().border)
             .child(
                 v_flex()
                     .gap_0p5()
                     .child(Headline::new("Model Context Protocol (MCP) Servers"))
-                    .child(Label::new(SUBHEADING).color(Color::Muted)),
+                    .child(Label::new("Connect to context servers via the Model Context Protocol either via Zed extensions or directly.").color(Color::Muted)),
             )
             .children(
-                context_servers
-                    .into_iter()
-                    .map(|context_server| self.render_context_server(context_server, window, cx)),
+                context_server_ids.into_iter().map(|context_server_id| {
+                    self.render_context_server(context_server_id, window, cx)
+                }),
             )
             .child(
                 h_flex()
@@ -330,19 +411,21 @@ impl AssistantConfiguration {
 
     fn render_context_server(
         &self,
-        context_server: Arc<ContextServer>,
+        context_server_id: ContextServerId,
         window: &mut Window,
         cx: &mut Context<Self>,
     ) -> impl use<> + IntoElement {
         let tools_by_source = self.tools.read(cx).tools_by_source(cx);
         let server_status = self
-            .context_server_manager
+            .context_server_store
             .read(cx)
-            .status_for_server(&context_server.id());
+            .status_for_server(&context_server_id)
+            .unwrap_or(ContextServerStatus::Stopped);
 
-        let is_running = matches!(server_status, Some(ContextServerStatus::Running));
+        let is_running = matches!(server_status, ContextServerStatus::Running);
+        let item_id = SharedString::from(context_server_id.0.clone());
 
-        let error = if let Some(ContextServerStatus::Error(error)) = server_status.clone() {
+        let error = if let ContextServerStatus::Error(error) = server_status.clone() {
             Some(error)
         } else {
             None
@@ -350,21 +433,50 @@ impl AssistantConfiguration {
 
         let are_tools_expanded = self
             .expanded_context_server_tools
-            .get(&context_server.id())
+            .get(&context_server_id)
             .copied()
             .unwrap_or_default();
 
         let tools = tools_by_source
             .get(&ToolSource::ContextServer {
-                id: context_server.id().into(),
+                id: context_server_id.0.clone().into(),
             })
             .map_or([].as_slice(), |tools| tools.as_slice());
         let tool_count = tools.len();
 
         let border_color = cx.theme().colors().border.opacity(0.6);
+        let success_color = Color::Success.color(cx);
+
+        let (status_indicator, tooltip_text) = match server_status {
+            ContextServerStatus::Starting => (
+                Indicator::dot()
+                    .color(Color::Success)
+                    .with_animation(
+                        SharedString::from(format!("{}-starting", context_server_id.0.clone(),)),
+                        Animation::new(Duration::from_secs(2))
+                            .repeat()
+                            .with_easing(pulsating_between(0.4, 1.)),
+                        move |this, delta| this.color(success_color.alpha(delta).into()),
+                    )
+                    .into_any_element(),
+                "Server is starting.",
+            ),
+            ContextServerStatus::Running => (
+                Indicator::dot().color(Color::Success).into_any_element(),
+                "Server is running.",
+            ),
+            ContextServerStatus::Error(_) => (
+                Indicator::dot().color(Color::Error).into_any_element(),
+                "Server has an error.",
+            ),
+            ContextServerStatus::Stopped => (
+                Indicator::dot().color(Color::Muted).into_any_element(),
+                "Server is stopped.",
+            ),
+        };
 
         v_flex()
-            .id(SharedString::from(context_server.id()))
+            .id(item_id.clone())
             .border_1()
             .rounded_md()
             .border_color(border_color)
@@ -388,7 +500,7 @@ impl AssistantConfiguration {
                                 )
                                 .disabled(tool_count == 0)
                                 .on_click(cx.listener({
-                                    let context_server_id = context_server.id();
+                                    let context_server_id = context_server_id.clone();
                                     move |this, _event, _window, _cx| {
                                         let is_open = this
                                             .expanded_context_server_tools
@@ -399,34 +511,13 @@ impl AssistantConfiguration {
                                     }
                                 })),
                             )
-                            .child(match server_status {
-                                Some(ContextServerStatus::Starting) => {
-                                    let color = Color::Success.color(cx);
-                                    Indicator::dot()
-                                        .color(Color::Success)
-                                        .with_animation(
-                                            SharedString::from(format!(
-                                                "{}-starting",
-                                                context_server.id(),
-                                            )),
-                                            Animation::new(Duration::from_secs(2))
-                                                .repeat()
-                                                .with_easing(pulsating_between(0.4, 1.)),
-                                            move |this, delta| {
-                                                this.color(color.alpha(delta).into())
-                                            },
-                                        )
-                                        .into_any_element()
-                                }
-                                Some(ContextServerStatus::Running) => {
-                                    Indicator::dot().color(Color::Success).into_any_element()
-                                }
-                                Some(ContextServerStatus::Error(_)) => {
-                                    Indicator::dot().color(Color::Error).into_any_element()
-                                }
-                                None => Indicator::dot().color(Color::Muted).into_any_element(),
-                            })
-                            .child(Label::new(context_server.id()).ml_0p5())
+                            .child(
+                                div()
+                                    .id(item_id.clone())
+                                    .tooltip(Tooltip::text(tooltip_text))
+                                    .child(status_indicator),
+                            )
+                            .child(Label::new(context_server_id.0.clone()).ml_0p5())
                             .when(is_running, |this| {
                                 this.child(
                                     Label::new(if tool_count == 1 {
@@ -443,32 +534,22 @@ impl AssistantConfiguration {
                         Switch::new("context-server-switch", is_running.into())
                             .color(SwitchColor::Accent)
                             .on_click({
-                                let context_server_manager = self.context_server_manager.clone();
-                                let context_server = context_server.clone();
+                                let context_server_manager = self.context_server_store.clone();
+                                let context_server_id = context_server_id.clone();
                                 move |state, _window, cx| match state {
                                     ToggleState::Unselected | ToggleState::Indeterminate => {
                                         context_server_manager.update(cx, |this, cx| {
-                                            this.stop_server(context_server.clone(), cx).log_err();
+                                            this.stop_server(&context_server_id, cx).log_err();
                                         });
                                     }
                                     ToggleState::Selected => {
-                                        cx.spawn({
-                                            let context_server_manager =
-                                                context_server_manager.clone();
-                                            let context_server = context_server.clone();
-                                            async move |cx| {
-                                                if let Some(start_server_task) =
-                                                    context_server_manager
-                                                        .update(cx, |this, cx| {
-                                                            this.start_server(context_server, cx)
-                                                        })
-                                                        .log_err()
-                                                {
-                                                    start_server_task.await.log_err();
-                                                }
+                                        context_server_manager.update(cx, |this, cx| {
+                                            if let Some(server) =
+                                                this.get_server(&context_server_id)
+                                            {
+                                                this.start_server(server, cx).log_err();
                                             }
                                         })
-                                        .detach();
                                     }
                                 }
                             }),
@@ -533,7 +614,7 @@ impl AssistantConfiguration {
     }
 }
 
-impl Render for AssistantConfiguration {
+impl Render for AgentConfiguration {
     fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
         v_flex()
             .id("assistant-configuration")
@@ -549,10 +630,8 @@ impl Render for AssistantConfiguration {
                     .track_scroll(&self.scroll_handle)
                     .size_full()
                     .overflow_y_scroll()
-                    .child(self.render_command_permission(cx))
-                    .child(Divider::horizontal().color(DividerColor::Border))
+                    .child(self.render_general_settings_section(cx))
                     .child(self.render_context_servers_section(window, cx))
-                    .child(Divider::horizontal().color(DividerColor::Border))
                     .child(self.render_provider_configuration_section(cx)),
             )
             .child(

crates/agent/src/agent_configuration/add_context_server_modal.rs

@@ -1,5 +1,6 @@
-use context_server::{ContextServerSettings, ServerCommand, ServerConfig};
+use context_server::ContextServerCommand;
 use gpui::{DismissEvent, Entity, EventEmitter, FocusHandle, Focusable, WeakEntity, prelude::*};
+use project::project_settings::{ContextServerConfiguration, ProjectSettings};
 use serde_json::json;
 use settings::update_settings_file;
 use ui::{KeyBinding, Modal, ModalFooter, ModalHeader, Section, Tooltip, prelude::*};
@@ -77,11 +78,11 @@ impl AddContextServerModal {
         if let Some(workspace) = self.workspace.upgrade() {
             workspace.update(cx, |workspace, cx| {
                 let fs = workspace.app_state().fs.clone();
-                update_settings_file::<ContextServerSettings>(fs.clone(), cx, |settings, _| {
+                update_settings_file::<ProjectSettings>(fs.clone(), cx, |settings, _| {
                     settings.context_servers.insert(
                         name.into(),
-                        ServerConfig {
-                            command: Some(ServerCommand {
+                        ContextServerConfiguration {
+                            command: Some(ContextServerCommand {
                                 path,
                                 args,
                                 env: None,
@@ -146,47 +147,50 @@ impl Render for AddContextServerModal {
                         ),
                     )
                     .footer(
-                        ModalFooter::new()
-                            .start_slot(
-                                Button::new("cancel", "Cancel")
-                                    .key_binding(
-                                        KeyBinding::for_action_in(
-                                            &menu::Cancel,
-                                            &focus_handle,
-                                            window,
-                                            cx,
+                        ModalFooter::new().end_slot(
+                            h_flex()
+                                .gap_2()
+                                .child(
+                                    Button::new("cancel", "Cancel")
+                                        .key_binding(
+                                            KeyBinding::for_action_in(
+                                                &menu::Cancel,
+                                                &focus_handle,
+                                                window,
+                                                cx,
+                                            )
+                                            .map(|kb| kb.size(rems_from_px(12.))),
                                         )
-                                        .map(|kb| kb.size(rems_from_px(12.))),
-                                    )
-                                    .on_click(cx.listener(|this, _event, _window, cx| {
-                                        this.cancel(&menu::Cancel, cx)
-                                    })),
-                            )
-                            .end_slot(
-                                Button::new("add-server", "Add Server")
-                                    .disabled(is_name_empty || is_command_empty)
-                                    .key_binding(
-                                        KeyBinding::for_action_in(
-                                            &menu::Confirm,
-                                            &focus_handle,
-                                            window,
-                                            cx,
+                                        .on_click(cx.listener(|this, _event, _window, cx| {
+                                            this.cancel(&menu::Cancel, cx)
+                                        })),
+                                )
+                                .child(
+                                    Button::new("add-server", "Add Server")
+                                        .disabled(is_name_empty || is_command_empty)
+                                        .key_binding(
+                                            KeyBinding::for_action_in(
+                                                &menu::Confirm,
+                                                &focus_handle,
+                                                window,
+                                                cx,
+                                            )
+                                            .map(|kb| kb.size(rems_from_px(12.))),
                                         )
-                                        .map(|kb| kb.size(rems_from_px(12.))),
-                                    )
-                                    .map(|button| {
-                                        if is_name_empty {
-                                            button.tooltip(Tooltip::text("Name is required"))
-                                        } else if is_command_empty {
-                                            button.tooltip(Tooltip::text("Command is required"))
-                                        } else {
-                                            button
-                                        }
-                                    })
-                                    .on_click(cx.listener(|this, _event, _window, cx| {
-                                        this.confirm(&menu::Confirm, cx)
-                                    })),
-                            ),
+                                        .map(|button| {
+                                            if is_name_empty {
+                                                button.tooltip(Tooltip::text("Name is required"))
+                                            } else if is_command_empty {
+                                                button.tooltip(Tooltip::text("Command is required"))
+                                            } else {
+                                                button
+                                            }
+                                        })
+                                        .on_click(cx.listener(|this, _event, _window, cx| {
+                                            this.confirm(&menu::Confirm, cx)
+                                        })),
+                                ),
+                        ),
                     ),
             )
     }

crates/agent/src/agent_configuration/configure_context_server_modal.rs

@@ -4,9 +4,8 @@ use std::{
 };
 
 use anyhow::Context as _;
-use context_server::manager::{ContextServerManager, ContextServerStatus};
+use context_server::ContextServerId;
 use editor::{Editor, EditorElement, EditorStyle};
-use extension::ContextServerConfiguration;
 use gpui::{
     Animation, AnimationExt, App, DismissEvent, Entity, EventEmitter, FocusHandle, Focusable, Task,
     TextStyle, TextStyleRefinement, Transformation, UnderlineStyle, WeakEntity, percentage,
@@ -14,20 +13,29 @@ use gpui::{
 use language::{Language, LanguageRegistry};
 use markdown::{Markdown, MarkdownElement, MarkdownStyle};
 use notifications::status_toast::{StatusToast, ToastIcon};
+use project::{
+    context_server_store::{ContextServerStatus, ContextServerStore},
+    project_settings::{ContextServerConfiguration, ProjectSettings},
+};
 use settings::{Settings as _, update_settings_file};
 use theme::ThemeSettings;
-use ui::{KeyBinding, Modal, ModalFooter, ModalHeader, Section, prelude::*};
+use ui::{KeyBinding, Modal, ModalFooter, ModalHeader, Section, Tooltip, prelude::*};
 use util::ResultExt;
 use workspace::{ModalView, Workspace};
 
 pub(crate) struct ConfigureContextServerModal {
     workspace: WeakEntity<Workspace>,
-    context_servers_to_setup: Vec<ConfigureContextServer>,
-    context_server_manager: Entity<ContextServerManager>,
+    focus_handle: FocusHandle,
+    context_servers_to_setup: Vec<ContextServerSetup>,
+    context_server_store: Entity<ContextServerStore>,
 }
 
-struct ConfigureContextServer {
-    id: Arc<str>,
+enum Configuration {
+    NotAvailable,
+    Required(ConfigurationRequiredState),
+}
+
+struct ConfigurationRequiredState {
     installation_instructions: Entity<markdown::Markdown>,
     settings_validator: Option<jsonschema::Validator>,
     settings_editor: Entity<Editor>,
@@ -35,62 +43,91 @@ struct ConfigureContextServer {
     waiting_for_context_server: bool,
 }
 
+struct ContextServerSetup {
+    id: ContextServerId,
+    repository_url: Option<SharedString>,
+    configuration: Configuration,
+}
+
 impl ConfigureContextServerModal {
     pub fn new(
-        configurations: impl Iterator<Item = (Arc<str>, ContextServerConfiguration)>,
+        configurations: impl Iterator<Item = crate::context_server_configuration::Configuration>,
+        context_server_store: Entity<ContextServerStore>,
         jsonc_language: Option<Arc<Language>>,
-        context_server_manager: Entity<ContextServerManager>,
         language_registry: Arc<LanguageRegistry>,
         workspace: WeakEntity<Workspace>,
         window: &mut Window,
-        cx: &mut App,
-    ) -> Option<Self> {
+        cx: &mut Context<Self>,
+    ) -> Self {
         let context_servers_to_setup = configurations
-            .map(|(id, manifest)| {
-                let jsonc_language = jsonc_language.clone();
-                let settings_validator = jsonschema::validator_for(&manifest.settings_schema)
-                    .context("Failed to load JSON schema for context server settings")
-                    .log_err();
-                ConfigureContextServer {
-                    id: id.clone(),
-                    installation_instructions: cx.new(|cx| {
-                        Markdown::new(
-                            manifest.installation_instructions.clone().into(),
-                            Some(language_registry.clone()),
-                            None,
-                            cx,
-                        )
-                    }),
-                    settings_validator,
-                    settings_editor: cx.new(|cx| {
-                        let mut editor = Editor::auto_height(16, window, cx);
-                        editor.set_text(manifest.default_settings.trim(), window, cx);
-                        if let Some(buffer) = editor.buffer().read(cx).as_singleton() {
-                            buffer.update(cx, |buffer, cx| buffer.set_language(jsonc_language, cx))
-                        }
-                        editor
-                    }),
-                    waiting_for_context_server: false,
-                    last_error: None,
+            .map(|config| match config {
+                crate::context_server_configuration::Configuration::NotAvailable(
+                    context_server_id,
+                    repository_url,
+                ) => ContextServerSetup {
+                    id: context_server_id,
+                    repository_url,
+                    configuration: Configuration::NotAvailable,
+                },
+                crate::context_server_configuration::Configuration::Required(
+                    context_server_id,
+                    repository_url,
+                    config,
+                ) => {
+                    let jsonc_language = jsonc_language.clone();
+                    let settings_validator = jsonschema::validator_for(&config.settings_schema)
+                        .context("Failed to load JSON schema for context server settings")
+                        .log_err();
+                    let state = ConfigurationRequiredState {
+                        installation_instructions: cx.new(|cx| {
+                            Markdown::new(
+                                config.installation_instructions.clone().into(),
+                                Some(language_registry.clone()),
+                                None,
+                                cx,
+                            )
+                        }),
+                        settings_validator,
+                        settings_editor: cx.new(|cx| {
+                            let mut editor = Editor::auto_height(16, window, cx);
+                            editor.set_text(config.default_settings.trim(), window, cx);
+                            editor.set_show_gutter(false, cx);
+                            editor.set_soft_wrap_mode(
+                                language::language_settings::SoftWrap::None,
+                                cx,
+                            );
+                            if let Some(buffer) = editor.buffer().read(cx).as_singleton() {
+                                buffer.update(cx, |buffer, cx| {
+                                    buffer.set_language(jsonc_language, cx)
+                                })
+                            }
+                            editor
+                        }),
+                        waiting_for_context_server: false,
+                        last_error: None,
+                    };
+                    ContextServerSetup {
+                        id: context_server_id,
+                        repository_url,
+                        configuration: Configuration::Required(state),
+                    }
                 }
             })
             .collect::<Vec<_>>();
 
-        if context_servers_to_setup.is_empty() {
-            return None;
-        }
-
-        Some(Self {
+        Self {
             workspace,
+            focus_handle: cx.focus_handle(),
             context_servers_to_setup,
-            context_server_manager,
-        })
+            context_server_store,
+        }
     }
 }
 
 impl ConfigureContextServerModal {
     pub fn confirm(&mut self, cx: &mut Context<Self>) {
         if self.context_servers_to_setup.is_empty() {
+            self.dismiss(cx);
             return;
         }
 
@@ -98,7 +135,19 @@ impl ConfigureContextServerModal {
             return;
         };
 
-        let configuration = &mut self.context_servers_to_setup[0];
+        let id = self.context_servers_to_setup[0].id.clone();
+        let configuration = match &mut self.context_servers_to_setup[0].configuration {
+            Configuration::NotAvailable => {
+                self.context_servers_to_setup.remove(0);
+                if self.context_servers_to_setup.is_empty() {
+                    self.dismiss(cx);
+                }
+                return;
+            }
+            Configuration::Required(state) => state,
+        };
+
+        configuration.last_error.take();
         if configuration.waiting_for_context_server {
             return;
         }
@@ -121,16 +170,16 @@ impl ConfigureContextServerModal {
                 return;
             }
         }
-        let id = configuration.id.clone();
+        let id = id.clone();
 
-        let settings_changed = context_server::ContextServerSettings::get_global(cx)
+        let settings_changed = ProjectSettings::get_global(cx)
             .context_servers
-            .get(&id)
+            .get(&id.0)
             .map_or(true, |config| {
                 config.settings.as_ref() != Some(&settings_value)
             });
 
-        let is_running = self.context_server_manager.read(cx).status_for_server(&id)
+        let is_running = self.context_server_store.read(cx).status_for_server(&id)
             == Some(ContextServerStatus::Running);
 
         if !settings_changed && is_running {
@@ -140,7 +189,7 @@ impl ConfigureContextServerModal {
 
         configuration.waiting_for_context_server = true;
 
-        let task = wait_for_context_server(&self.context_server_manager, id.clone(), cx);
+        let task = wait_for_context_server(&self.context_server_store, id.clone(), cx);
         cx.spawn({
             let id = id.clone();
             async move |this, cx| {
@@ -150,9 +199,14 @@ impl ConfigureContextServerModal {
                         this.complete_setup(id, cx);
                     }
                     Err(err) => {
-                        if let Some(configuration) = this.context_servers_to_setup.get_mut(0) {
-                            configuration.last_error = Some(err.into());
-                            configuration.waiting_for_context_server = false;
+                        if let Some(setup) = this.context_servers_to_setup.get_mut(0) {
+                            match &mut setup.configuration {
+                                Configuration::NotAvailable => {}
+                                Configuration::Required(state) => {
+                                    state.last_error = Some(err.into());
+                                    state.waiting_for_context_server = false;
+                                }
+                            }
                         } else {
                             this.dismiss(cx);
                         }
@@ -164,29 +218,25 @@ impl ConfigureContextServerModal {
         .detach();
 
         // When we write the settings to the file, the context server will be restarted.
-        update_settings_file::<context_server::ContextServerSettings>(
-            workspace.read(cx).app_state().fs.clone(),
-            cx,
-            {
-                let id = id.clone();
-                |settings, _| {
-                    if let Some(server_config) = settings.context_servers.get_mut(&id) {
-                        server_config.settings = Some(settings_value);
-                    } else {
-                        settings.context_servers.insert(
-                            id,
-                            context_server::ServerConfig {
-                                settings: Some(settings_value),
-                                ..Default::default()
-                            },
-                        );
-                    }
+        update_settings_file::<ProjectSettings>(workspace.read(cx).app_state().fs.clone(), cx, {
+            let id = id.clone();
+            |settings, _| {
+                if let Some(server_config) = settings.context_servers.get_mut(&id.0) {
+                    server_config.settings = Some(settings_value);
+                } else {
+                    settings.context_servers.insert(
+                        id.0,
+                        ContextServerConfiguration {
+                            settings: Some(settings_value),
+                            ..Default::default()
+                        },
+                    );
                 }
-            },
-        );
+            }
+        });
     }
 
-    fn complete_setup(&mut self, id: Arc<str>, cx: &mut Context<Self>) {
+    fn complete_setup(&mut self, id: ContextServerId, cx: &mut Context<Self>) {
         self.context_servers_to_setup.remove(0);
         cx.notify();
 
@@ -220,31 +270,40 @@ impl ConfigureContextServerModal {
 }
 
 fn wait_for_context_server(
-    context_server_manager: &Entity<ContextServerManager>,
-    context_server_id: Arc<str>,
+    context_server_store: &Entity<ContextServerStore>,
+    context_server_id: ContextServerId,
     cx: &mut App,
 ) -> Task<Result<(), Arc<str>>> {
     let (tx, rx) = futures::channel::oneshot::channel();
     let tx = Arc::new(Mutex::new(Some(tx)));
 
-    let subscription = cx.subscribe(context_server_manager, move |_, event, _cx| match event {
-        context_server::manager::Event::ServerStatusChanged { server_id, status } => match status {
-            Some(ContextServerStatus::Running) => {
-                if server_id == &context_server_id {
-                    if let Some(tx) = tx.lock().unwrap().take() {
-                        let _ = tx.send(Ok(()));
+    let subscription = cx.subscribe(context_server_store, move |_, event, _cx| match event {
+        project::context_server_store::Event::ServerStatusChanged { server_id, status } => {
+            match status {
+                ContextServerStatus::Running => {
+                    if server_id == &context_server_id {
+                        if let Some(tx) = tx.lock().unwrap().take() {
+                            let _ = tx.send(Ok(()));
+                        }
                     }
                 }
-            }
-            Some(ContextServerStatus::Error(error)) => {
-                if server_id == &context_server_id {
-                    if let Some(tx) = tx.lock().unwrap().take() {
-                        let _ = tx.send(Err(error.clone()));
+                ContextServerStatus::Stopped => {
+                    if server_id == &context_server_id {
+                        if let Some(tx) = tx.lock().unwrap().take() {
+                            let _ = tx.send(Err("Context server stopped running".into()));
+                        }
                     }
                 }
+                ContextServerStatus::Error(error) => {
+                    if server_id == &context_server_id {
+                        if let Some(tx) = tx.lock().unwrap().take() {
+                            let _ = tx.send(Err(error.clone()));
+                        }
+                    }
+                }
+                _ => {}
             }
-            _ => {}
-        },
+        }
     });
 
     cx.spawn(async move |_cx| {
@@ -256,16 +315,17 @@ fn wait_for_context_server(
 
 impl Render for ConfigureContextServerModal {
     fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
-        let Some(configuration) = self.context_servers_to_setup.first() else {
-            return div().child("No context servers to setup");
+        let Some(setup) = self.context_servers_to_setup.first() else {
+            return div().into_any_element();
         };
 
         let focus_handle = self.focus_handle(cx);
 
         div()
             .elevation_3(cx)
-            .w(rems(34.))
+            .w(rems(42.))
             .key_context("ConfigureContextServerModal")
+            .track_focus(&focus_handle)
             .on_action(cx.listener(|this, _: &menu::Confirm, _window, cx| this.confirm(cx)))
             .on_action(cx.listener(|this, _: &menu::Cancel, _window, cx| this.dismiss(cx)))
             .capture_any_mouse_down(cx.listener(|this, _, window, cx| {
@@ -273,9 +333,15 @@ impl Render for ConfigureContextServerModal {
             }))
             .child(
                 Modal::new("configure-context-server", None)
-                    .header(ModalHeader::new().headline(format!("Configure {}", configuration.id)))
-                    .section(
-                        Section::new()
+                    .header(ModalHeader::new().headline(format!("Configure {}", setup.id)))
+                    .section(match &setup.configuration {
+                        Configuration::NotAvailable => Section::new().child(
+                            Label::new(
+                                "No configuration options available for this context server. Visit the Repository for any further instructions.",
+                            )
+                            .color(Color::Muted),
+                        ),
+                        Configuration::Required(configuration) => Section::new()
                             .child(div().pb_2().text_sm().child(MarkdownElement::new(
                                 configuration.installation_instructions.clone(),
                                 default_markdown_style(window, cx),
@@ -359,45 +425,84 @@ impl Render for ConfigureContextServerModal {
                                         ),
                                 )
                             }),
-                    )
+                    })
                     .footer(
-                        ModalFooter::new().end_slot(
-                            h_flex()
-                                .gap_1()
-                                .child(
-                                    Button::new("cancel", "Cancel")
-                                        .key_binding(
-                                            KeyBinding::for_action_in(
-                                                &menu::Cancel,
-                                                &focus_handle,
-                                                window,
-                                                cx,
-                                            )
-                                            .map(|kb| kb.size(rems_from_px(12.))),
-                                        )
-                                        .on_click(cx.listener(|this, _event, _window, cx| {
-                                            this.dismiss(cx)
-                                        })),
+                        ModalFooter::new()
+                            .when_some(setup.repository_url.clone(), |this, repository_url| {
+                                this.start_slot(
+                                    h_flex().w_full().child(
+                                        Button::new("open-repository", "Open Repository")
+                                            .icon(IconName::ArrowUpRight)
+                                            .icon_color(Color::Muted)
+                                            .icon_size(IconSize::XSmall)
+                                            .tooltip({
+                                                let repository_url = repository_url.clone();
+                                                move |window, cx| {
+                                                    Tooltip::with_meta(
+                                                        "Open Repository",
+                                                        None,
+                                                        repository_url.clone(),
+                                                        window,
+                                                        cx,
+                                                    )
+                                                }
+                                            })
+                                            .on_click(move |_, _, cx| cx.open_url(&repository_url)),
+                                    ),
                                 )
-                                .child(
-                                    Button::new("configure-server", "Configure MCP")
-                                        .disabled(configuration.waiting_for_context_server)
-                                        .key_binding(
-                                            KeyBinding::for_action_in(
-                                                &menu::Confirm,
-                                                &focus_handle,
-                                                window,
-                                                cx,
-                                            )
-                                            .map(|kb| kb.size(rems_from_px(12.))),
+                            })
+                            .end_slot(match &setup.configuration {
+                                Configuration::NotAvailable => Button::new("dismiss", "Dismiss")
+                                    .key_binding(
+                                        KeyBinding::for_action_in(
+                                            &menu::Cancel,
+                                            &focus_handle,
+                                            window,
+                                            cx,
                                         )
-                                        .on_click(cx.listener(|this, _event, _window, cx| {
-                                            this.confirm(cx)
-                                        })),
-                                ),
-                        ),
+                                        .map(|kb| kb.size(rems_from_px(12.))),
+                                    )
+                                    .on_click(
+                                        cx.listener(|this, _event, _window, cx| this.dismiss(cx)),
+                                    )
+                                    .into_any_element(),
+                                Configuration::Required(state) => h_flex()
+                                    .gap_2()
+                                    .child(
+                                        Button::new("cancel", "Cancel")
+                                            .key_binding(
+                                                KeyBinding::for_action_in(
+                                                    &menu::Cancel,
+                                                    &focus_handle,
+                                                    window,
+                                                    cx,
+                                                )
+                                                .map(|kb| kb.size(rems_from_px(12.))),
+                                            )
+                                            .on_click(cx.listener(|this, _event, _window, cx| {
+                                                this.dismiss(cx)
+                                            })),
+                                    )
+                                    .child(
+                                        Button::new("configure-server", "Configure MCP")
+                                            .disabled(state.waiting_for_context_server)
+                                            .key_binding(
+                                                KeyBinding::for_action_in(
+                                                    &menu::Confirm,
+                                                    &focus_handle,
+                                                    window,
+                                                    cx,
+                                                )
+                                                .map(|kb| kb.size(rems_from_px(12.))),
+                                            )
+                                            .on_click(cx.listener(|this, _event, _window, cx| {
+                                                this.confirm(cx)
+                                            })),
+                                    )
+                                    .into_any_element(),
+                            }),
                     ),
-            )
+            ).into_any_element()
     }
 }
 
@@ -435,9 +540,14 @@ impl EventEmitter<DismissEvent> for ConfigureContextServerModal {}
 impl Focusable for ConfigureContextServerModal {
     fn focus_handle(&self, cx: &App) -> FocusHandle {
         if let Some(current) = self.context_servers_to_setup.first() {
-            current.settings_editor.read(cx).focus_handle(cx)
+            match &current.configuration {
+                Configuration::NotAvailable => self.focus_handle.clone(),
+                Configuration::Required(configuration) => {
+                    configuration.settings_editor.read(cx).focus_handle(cx)
+                }
+            }
         } else {
-            cx.focus_handle()
+            self.focus_handle.clone()
         }
     }
 }

crates/agent/src/agent_configuration/manage_profiles_modal.rs

@@ -2,7 +2,7 @@ mod profile_modal_header;
 
 use std::sync::Arc;
 
-use assistant_settings::{AgentProfile, AgentProfileId, AssistantSettings};
+use assistant_settings::{AgentProfile, AgentProfileId, AssistantSettings, builtin_profiles};
 use assistant_tool::ToolWorkingSet;
 use convert_case::{Case, Casing as _};
 use editor::Editor;
@@ -18,9 +18,11 @@ use ui::{
 use util::ResultExt as _;
 use workspace::{ModalView, Workspace};
 
-use crate::assistant_configuration::manage_profiles_modal::profile_modal_header::ProfileModalHeader;
-use crate::assistant_configuration::tool_picker::{ToolPicker, ToolPickerDelegate};
-use crate::{AssistantPanel, ManageProfiles, ThreadStore};
+use crate::agent_configuration::manage_profiles_modal::profile_modal_header::ProfileModalHeader;
+use crate::agent_configuration::tool_picker::{ToolPicker, ToolPickerDelegate};
+use crate::{AgentPanel, ManageProfiles, ThreadStore};
+
+use super::tool_picker::ToolPickerMode;
 
 enum Mode {
     ChooseProfile(ChooseProfileMode),
@@ -31,26 +33,39 @@ enum Mode {
         tool_picker: Entity<ToolPicker>,
         _subscription: Subscription,
     },
+    ConfigureMcps {
+        profile_id: AgentProfileId,
+        tool_picker: Entity<ToolPicker>,
+        _subscription: Subscription,
+    },
 }
 
 impl Mode {
     pub fn choose_profile(_window: &mut Window, cx: &mut Context<ManageProfilesModal>) -> Self {
         let settings = AssistantSettings::get_global(cx);
 
-        let mut profiles = settings.profiles.clone();
-        profiles.sort_unstable_by(|_, a, _, b| a.name.cmp(&b.name));
+        let mut builtin_profiles = Vec::new();
+        let mut custom_profiles = Vec::new();
 
-        let profiles = profiles
-            .into_iter()
-            .map(|(id, profile)| ProfileEntry {
-                id,
-                name: profile.name,
+        for (profile_id, profile) in settings.profiles.iter() {
+            let entry = ProfileEntry {
+                id: profile_id.clone(),
+                name: profile.name.clone(),
                 navigation: NavigableEntry::focusable(cx),
-            })
-            .collect::<Vec<_>>();
+            };
+            if builtin_profiles::is_builtin(profile_id) {
+                builtin_profiles.push(entry);
+            } else {
+                custom_profiles.push(entry);
+            }
+        }
+
+        builtin_profiles.sort_unstable_by(|a, b| a.name.cmp(&b.name));
+        custom_profiles.sort_unstable_by(|a, b| a.name.cmp(&b.name));
 
         Self::ChooseProfile(ChooseProfileMode {
-            profiles,
+            builtin_profiles,
+            custom_profiles,
             add_new_profile: NavigableEntry::focusable(cx),
         })
     }
@@ -65,7 +80,8 @@ struct ProfileEntry {
 
 #[derive(Clone)]
 pub struct ChooseProfileMode {
-    profiles: Vec<ProfileEntry>,
+    builtin_profiles: Vec<ProfileEntry>,
+    custom_profiles: Vec<ProfileEntry>,
     add_new_profile: NavigableEntry,
 }
 
@@ -74,6 +90,8 @@ pub struct ViewProfileMode {
     profile_id: AgentProfileId,
     fork_profile: NavigableEntry,
     configure_tools: NavigableEntry,
+    configure_mcps: NavigableEntry,
+    cancel_item: NavigableEntry,
 }
 
 #[derive(Clone)]
@@ -97,7 +115,7 @@ impl ManageProfilesModal {
         _cx: &mut Context<Workspace>,
     ) {
         workspace.register_action(|workspace, action: &ManageProfiles, window, cx| {
-            if let Some(panel) = workspace.panel::<AssistantPanel>(cx) {
+            if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
                 let fs = workspace.app_state().fs.clone();
                 let thread_store = panel.read(cx).thread_store();
                 let tools = thread_store.read(cx).tools();
@@ -106,7 +124,7 @@ impl ManageProfilesModal {
                     let mut this = Self::new(fs, tools, thread_store, window, cx);
 
                     if let Some(profile_id) = action.customize_tools.clone() {
-                        this.configure_tools(profile_id, window, cx);
+                        this.configure_builtin_tools(profile_id, window, cx);
                     }
 
                     this
@@ -166,11 +184,13 @@ impl ManageProfilesModal {
             profile_id,
             fork_profile: NavigableEntry::focusable(cx),
             configure_tools: NavigableEntry::focusable(cx),
+            configure_mcps: NavigableEntry::focusable(cx),
+            cancel_item: NavigableEntry::focusable(cx),
         });
         self.focus_handle(cx).focus(window);
     }
 
-    fn configure_tools(
+    fn configure_mcp_tools(
         &mut self,
         profile_id: AgentProfileId,
         window: &mut Window,
@@ -183,6 +203,7 @@ impl ManageProfilesModal {
 
         let tool_picker = cx.new(|cx| {
             let delegate = ToolPickerDelegate::new(
+                ToolPickerMode::McpTools,
                 self.fs.clone(),
                 self.tools.clone(),
                 self.thread_store.clone(),
@@ -190,7 +211,45 @@ impl ManageProfilesModal {
                 profile,
                 cx,
             );
-            ToolPicker::new(delegate, window, cx)
+            ToolPicker::mcp_tools(delegate, window, cx)
+        });
+        let dismiss_subscription = cx.subscribe_in(&tool_picker, window, {
+            let profile_id = profile_id.clone();
+            move |this, _tool_picker, _: &DismissEvent, window, cx| {
+                this.view_profile(profile_id.clone(), window, cx);
+            }
+        });
+
+        self.mode = Mode::ConfigureMcps {
+            profile_id,
+            tool_picker,
+            _subscription: dismiss_subscription,
+        };
+        self.focus_handle(cx).focus(window);
+    }
+
+    fn configure_builtin_tools(
+        &mut self,
+        profile_id: AgentProfileId,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        let settings = AssistantSettings::get_global(cx);
+        let Some(profile) = settings.profiles.get(&profile_id).cloned() else {
+            return;
+        };
+
+        let tool_picker = cx.new(|cx| {
+            let delegate = ToolPickerDelegate::new(
+                ToolPickerMode::BuiltinTools,
+                self.fs.clone(),
+                self.tools.clone(),
+                self.thread_store.clone(),
+                profile_id.clone(),
+                profile,
+                cx,
+            );
+            ToolPicker::builtin_tools(delegate, window, cx)
         });
         let dismiss_subscription = cx.subscribe_in(&tool_picker, window, {
             let profile_id = profile_id.clone();
@@ -241,6 +300,7 @@ impl ManageProfilesModal {
             }
             Mode::ViewProfile(_) => {}
             Mode::ConfigureTools { .. } => {}
+            Mode::ConfigureMcps { .. } => {}
         }
     }
 
@@ -257,7 +317,12 @@ impl ManageProfilesModal {
                 }
             }
             Mode::ViewProfile(_) => self.choose_profile(window, cx),
-            Mode::ConfigureTools { .. } => {}
+            Mode::ConfigureTools { profile_id, .. } => {
+                self.view_profile(profile_id.clone(), window, cx)
+            }
+            Mode::ConfigureMcps { profile_id, .. } => {
+                self.view_profile(profile_id.clone(), window, cx)
+            }
         }
     }
 
@@ -284,6 +349,7 @@ impl Focusable for ManageProfilesModal {
             Mode::NewProfile(mode) => mode.name_editor.focus_handle(cx),
             Mode::ViewProfile(_) => self.focus_handle.clone(),
             Mode::ConfigureTools { tool_picker, .. } => tool_picker.focus_handle(cx),
+            Mode::ConfigureMcps { tool_picker, .. } => tool_picker.focus_handle(cx),
         }
     }
 }
@@ -291,6 +357,51 @@ impl Focusable for ManageProfilesModal {
 impl EventEmitter<DismissEvent> for ManageProfilesModal {}
 
 impl ManageProfilesModal {
+    fn render_profile(
+        &self,
+        profile: &ProfileEntry,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) -> impl IntoElement + use<> {
+        div()
+            .id(SharedString::from(format!("profile-{}", profile.id)))
+            .track_focus(&profile.navigation.focus_handle)
+            .on_action({
+                let profile_id = profile.id.clone();
+                cx.listener(move |this, _: &menu::Confirm, window, cx| {
+                    this.view_profile(profile_id.clone(), window, cx);
+                })
+            })
+            .child(
+                ListItem::new(SharedString::from(format!("profile-{}", profile.id)))
+                    .toggle_state(profile.navigation.focus_handle.contains_focused(window, cx))
+                    .inset(true)
+                    .spacing(ListItemSpacing::Sparse)
+                    .child(Label::new(profile.name.clone()))
+                    .end_slot(
+                        h_flex()
+                            .gap_1()
+                            .child(
+                                Label::new("Customize")
+                                    .size(LabelSize::Small)
+                                    .color(Color::Muted),
+                            )
+                            .children(KeyBinding::for_action_in(
+                                &menu::Confirm,
+                                &self.focus_handle,
+                                window,
+                                cx,
+                            )),
+                    )
+                    .on_click({
+                        let profile_id = profile.id.clone();
+                        cx.listener(move |this, _, window, cx| {
+                            this.view_profile(profile_id.clone(), window, cx);
+                        })
+                    }),
+            )
+    }
+
     fn render_choose_profile(
         &mut self,
         mode: ChooseProfileMode,
@@ -301,57 +412,31 @@ impl ManageProfilesModal {
             div()
                 .track_focus(&self.focus_handle(cx))
                 .size_full()
-                .child(ProfileModalHeader::new(
-                    "Agent Profiles",
-                    IconName::ZedAssistant,
-                ))
+                .child(ProfileModalHeader::new("Agent Profiles", None))
                 .child(
                     v_flex()
                         .pb_1()
                         .child(ListSeparator)
-                        .children(mode.profiles.iter().map(|profile| {
-                            div()
-                                .id(SharedString::from(format!("profile-{}", profile.id)))
-                                .track_focus(&profile.navigation.focus_handle)
-                                .on_action({
-                                    let profile_id = profile.id.clone();
-                                    cx.listener(move |this, _: &menu::Confirm, window, cx| {
-                                        this.view_profile(profile_id.clone(), window, cx);
-                                    })
-                                })
+                        .children(
+                            mode.builtin_profiles
+                                .iter()
+                                .map(|profile| self.render_profile(profile, window, cx)),
+                        )
+                        .when(!mode.custom_profiles.is_empty(), |this| {
+                            this.child(ListSeparator)
                                 .child(
-                                    ListItem::new(SharedString::from(format!(
-                                        "profile-{}",
-                                        profile.id
-                                    )))
-                                    .toggle_state(
-                                        profile
-                                            .navigation
-                                            .focus_handle
-                                            .contains_focused(window, cx),
-                                    )
-                                    .inset(true)
-                                    .spacing(ListItemSpacing::Sparse)
-                                    .child(Label::new(profile.name.clone()))
-                                    .end_slot(
-                                        h_flex()
-                                            .gap_1()
-                                            .child(Label::new("Customize").size(LabelSize::Small))
-                                            .children(KeyBinding::for_action_in(
-                                                &menu::Confirm,
-                                                &self.focus_handle,
-                                                window,
-                                                cx,
-                                            )),
-                                    )
-                                    .on_click({
-                                        let profile_id = profile.id.clone();
-                                        cx.listener(move |this, _, window, cx| {
-                                            this.view_profile(profile_id.clone(), window, cx);
-                                        })
-                                    }),
+                                    div().pl_2().pb_1().child(
+                                        Label::new("Custom Profiles")
+                                            .size(LabelSize::Small)
+                                            .color(Color::Muted),
+                                    ),
                                 )
-                        }))
+                                .children(
+                                    mode.custom_profiles
+                                        .iter()
+                                        .map(|profile| self.render_profile(profile, window, cx)),
+                                )
+                        })
                         .child(ListSeparator)
                         .child(
                             div()
@@ -382,7 +467,10 @@ impl ManageProfilesModal {
                 .into_any_element(),
         )
         .map(|mut navigable| {
-            for profile in mode.profiles {
+            for profile in mode.builtin_profiles {
+                navigable = navigable.entry(profile.navigation);
+            }
+            for profile in mode.custom_profiles {
                 navigable = navigable.entry(profile.navigation);
             }
 
@@ -411,11 +499,14 @@ impl ManageProfilesModal {
             .id("new-profile")
             .track_focus(&self.focus_handle(cx))
             .child(ProfileModalHeader::new(
-                match base_profile_name {
+                match &base_profile_name {
                     Some(base_profile) => format!("Fork {base_profile}"),
                     None => "New Profile".into(),
                 },
-                IconName::Plus,
+                match base_profile_name {
+                    Some(_) => Some(IconName::Scissors),
+                    None => Some(IconName::Plus),
+                },
             ))
             .child(ListSeparator)
             .child(h_flex().p_2().child(mode.name_editor.clone()))
@@ -429,20 +520,24 @@ impl ManageProfilesModal {
     ) -> impl IntoElement {
         let settings = AssistantSettings::get_global(cx);
 
+        let profile_id = &settings.default_profile;
         let profile_name = settings
             .profiles
             .get(&mode.profile_id)
             .map(|profile| profile.name.clone())
             .unwrap_or_else(|| "Unknown".into());
 
+        let icon = match profile_id.as_str() {
+            "write" => IconName::Pencil,
+            "ask" => IconName::MessageBubbles,
+            _ => IconName::UserRoundPen,
+        };
+
         Navigable::new(
             div()
                 .track_focus(&self.focus_handle(cx))
                 .size_full()
-                .child(ProfileModalHeader::new(
-                    profile_name,
-                    IconName::ZedAssistant,
-                ))
+                .child(ProfileModalHeader::new(profile_name, Some(icon)))
                 .child(
                     v_flex()
                         .pb_1()
@@ -466,7 +561,11 @@ impl ManageProfilesModal {
                                         )
                                         .inset(true)
                                         .spacing(ListItemSpacing::Sparse)
-                                        .start_slot(Icon::new(IconName::GitBranch))
+                                        .start_slot(
+                                            Icon::new(IconName::Scissors)
+                                                .size(IconSize::Small)
+                                                .color(Color::Muted),
+                                        )
                                         .child(Label::new("Fork Profile"))
                                         .on_click({
                                             let profile_id = mode.profile_id.clone();
@@ -482,16 +581,20 @@ impl ManageProfilesModal {
                         )
                         .child(
                             div()
-                                .id("configure-tools")
+                                .id("configure-builtin-tools")
                                 .track_focus(&mode.configure_tools.focus_handle)
                                 .on_action({
                                     let profile_id = mode.profile_id.clone();
                                     cx.listener(move |this, _: &menu::Confirm, window, cx| {
-                                        this.configure_tools(profile_id.clone(), window, cx);
+                                        this.configure_builtin_tools(
+                                            profile_id.clone(),
+                                            window,
+                                            cx,
+                                        );
                                     })
                                 })
                                 .child(
-                                    ListItem::new("configure-tools")
+                                    ListItem::new("configure-builtin-tools-item")
                                         .toggle_state(
                                             mode.configure_tools
                                                 .focus_handle
@@ -499,12 +602,16 @@ impl ManageProfilesModal {
                                         )
                                         .inset(true)
                                         .spacing(ListItemSpacing::Sparse)
-                                        .start_slot(Icon::new(IconName::Cog))
-                                        .child(Label::new("Configure Tools"))
+                                        .start_slot(
+                                            Icon::new(IconName::Settings)
+                                                .size(IconSize::Small)
+                                                .color(Color::Muted),
+                                        )
+                                        .child(Label::new("Configure Built-in Tools"))
                                         .on_click({
                                             let profile_id = mode.profile_id.clone();
                                             cx.listener(move |this, _, window, cx| {
-                                                this.configure_tools(
+                                                this.configure_builtin_tools(
                                                     profile_id.clone(),
                                                     window,
                                                     cx,
@@ -512,12 +619,94 @@ impl ManageProfilesModal {
                                             })
                                         }),
                                 ),
+                        )
+                        .child(
+                            div()
+                                .id("configure-mcps")
+                                .track_focus(&mode.configure_mcps.focus_handle)
+                                .on_action({
+                                    let profile_id = mode.profile_id.clone();
+                                    cx.listener(move |this, _: &menu::Confirm, window, cx| {
+                                        this.configure_mcp_tools(profile_id.clone(), window, cx);
+                                    })
+                                })
+                                .child(
+                                    ListItem::new("configure-mcp-tools")
+                                        .toggle_state(
+                                            mode.configure_mcps
+                                                .focus_handle
+                                                .contains_focused(window, cx),
+                                        )
+                                        .inset(true)
+                                        .spacing(ListItemSpacing::Sparse)
+                                        .start_slot(
+                                            Icon::new(IconName::Hammer)
+                                                .size(IconSize::Small)
+                                                .color(Color::Muted),
+                                        )
+                                        .child(Label::new("Configure MCP Tools"))
+                                        .on_click({
+                                            let profile_id = mode.profile_id.clone();
+                                            cx.listener(move |this, _, window, cx| {
+                                                this.configure_mcp_tools(
+                                                    profile_id.clone(),
+                                                    window,
+                                                    cx,
+                                                );
+                                            })
+                                        }),
+                                ),
+                        )
+                        .child(ListSeparator)
+                        .child(
+                            div()
+                                .id("cancel-item")
+                                .track_focus(&mode.cancel_item.focus_handle)
+                                .on_action({
+                                    cx.listener(move |this, _: &menu::Confirm, window, cx| {
+                                        this.cancel(window, cx);
+                                    })
+                                })
+                                .child(
+                                    ListItem::new("cancel-item")
+                                        .toggle_state(
+                                            mode.cancel_item
+                                                .focus_handle
+                                                .contains_focused(window, cx),
+                                        )
+                                        .inset(true)
+                                        .spacing(ListItemSpacing::Sparse)
+                                        .start_slot(
+                                            Icon::new(IconName::ArrowLeft)
+                                                .size(IconSize::Small)
+                                                .color(Color::Muted),
+                                        )
+                                        .child(Label::new("Go Back"))
+                                        .end_slot(
+                                            div().children(
+                                                KeyBinding::for_action_in(
+                                                    &menu::Cancel,
+                                                    &self.focus_handle,
+                                                    window,
+                                                    cx,
+                                                )
+                                                .map(|kb| kb.size(rems_from_px(12.))),
+                                            ),
+                                        )
+                                        .on_click({
+                                            cx.listener(move |this, _, window, cx| {
+                                                this.cancel(window, cx);
+                                            })
+                                        }),
+                                ),
                         ),
                 )
                 .into_any_element(),
         )
         .entry(mode.fork_profile)
         .entry(mode.configure_tools)
+        .entry(mode.configure_mcps)
+        .entry(mode.cancel_item)
     }
 }
 
@@ -525,6 +714,43 @@ impl Render for ManageProfilesModal {
     fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
         let settings = AssistantSettings::get_global(cx);
 
+        let go_back_item = div()
+            .id("cancel-item")
+            .track_focus(&self.focus_handle)
+            .on_action({
+                cx.listener(move |this, _: &menu::Confirm, window, cx| {
+                    this.cancel(window, cx);
+                })
+            })
+            .child(
+                ListItem::new("cancel-item")
+                    .toggle_state(self.focus_handle.contains_focused(window, cx))
+                    .inset(true)
+                    .spacing(ListItemSpacing::Sparse)
+                    .start_slot(
+                        Icon::new(IconName::ArrowLeft)
+                            .size(IconSize::Small)
+                            .color(Color::Muted),
+                    )
+                    .child(Label::new("Go Back"))
+                    .end_slot(
+                        div().children(
+                            KeyBinding::for_action_in(
+                                &menu::Cancel,
+                                &self.focus_handle,
+                                window,
+                                cx,
+                            )
+                            .map(|kb| kb.size(rems_from_px(12.))),
+                        ),
+                    )
+                    .on_click({
+                        cx.listener(move |this, _, window, cx| {
+                            this.cancel(window, cx);
+                        })
+                    }),
+            );
+
         div()
             .elevation_3(cx)
             .w(rems(34.))
@@ -556,13 +782,39 @@ impl Render for ManageProfilesModal {
                         .map(|profile| profile.name.clone())
                         .unwrap_or_else(|| "Unknown".into());
 
-                    div()
+                    v_flex()
+                        .pb_1()
                         .child(ProfileModalHeader::new(
-                            format!("{profile_name}: Configure Tools"),
-                            IconName::Cog,
+                            format!("{profile_name} — Configure Built-in Tools"),
+                            Some(IconName::Cog),
                         ))
                         .child(ListSeparator)
                         .child(tool_picker.clone())
+                        .child(ListSeparator)
+                        .child(go_back_item)
+                        .into_any_element()
+                }
+                Mode::ConfigureMcps {
+                    profile_id,
+                    tool_picker,
+                    ..
+                } => {
+                    let profile_name = settings
+                        .profiles
+                        .get(profile_id)
+                        .map(|profile| profile.name.clone())
+                        .unwrap_or_else(|| "Unknown".into());
+
+                    v_flex()
+                        .pb_1()
+                        .child(ProfileModalHeader::new(
+                            format!("{profile_name} — Configure MCP Tools"),
+                            Some(IconName::Hammer),
+                        ))
+                        .child(ListSeparator)
+                        .child(tool_picker.clone())
+                        .child(ListSeparator)
+                        .child(go_back_item)
                         .into_any_element()
                 }
             })

crates/agent/src/agent_configuration/manage_profiles_modal/profile_modal_header.rs

@@ -0,0 +1,42 @@
+use ui::prelude::*;
+
+#[derive(IntoElement)]
+pub struct ProfileModalHeader {
+    label: SharedString,
+    icon: Option<IconName>,
+}
+
+impl ProfileModalHeader {
+    pub fn new(label: impl Into<SharedString>, icon: Option<IconName>) -> Self {
+        Self {
+            label: label.into(),
+            icon,
+        }
+    }
+}
+
+impl RenderOnce for ProfileModalHeader {
+    fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
+        let mut container = h_flex()
+            .w_full()
+            .px(DynamicSpacing::Base12.rems(cx))
+            .pt(DynamicSpacing::Base08.rems(cx))
+            .pb(DynamicSpacing::Base04.rems(cx))
+            .rounded_t_sm()
+            .gap_1p5();
+
+        if let Some(icon) = self.icon {
+            container = container.child(Icon::new(icon).size(IconSize::XSmall).color(Color::Muted));
+        }
+
+        container.child(
+            h_flex().gap_1().overflow_x_hidden().child(
+                div()
+                    .max_w_96()
+                    .overflow_x_hidden()
+                    .text_ellipsis()
+                    .child(Headline::new(self.label).size(HeadlineSize::XSmall)),
+            ),
+        )
+    }
+}

crates/agent/src/agent_configuration/tool_picker.rs

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

crates/agent/src/agent_model_selector.rs

@@ -3,13 +3,13 @@ use fs::Fs;
 use gpui::{Entity, FocusHandle, SharedString};
 
 use crate::Thread;
-use language_model::{ConfiguredModel, LanguageModelRegistry};
-use language_model_selector::{
+use assistant_context_editor::language_model_selector::{
     LanguageModelSelector, LanguageModelSelectorPopoverMenu, ToggleModelSelector,
 };
+use language_model::{ConfiguredModel, LanguageModelRegistry};
 use settings::update_settings_file;
 use std::sync::Arc;
-use ui::{ButtonLike, PopoverMenuHandle, Tooltip, prelude::*};
+use ui::{PopoverMenuHandle, Tooltip, prelude::*};
 
 #[derive(Clone)]
 pub enum ModelType {
@@ -17,13 +17,13 @@ pub enum ModelType {
     InlineAssistant,
 }
 
-pub struct AssistantModelSelector {
+pub struct AgentModelSelector {
     selector: Entity<LanguageModelSelector>,
     menu_handle: PopoverMenuHandle<LanguageModelSelector>,
     focus_handle: FocusHandle,
 }
 
-impl AssistantModelSelector {
+impl AgentModelSelector {
     pub(crate) fn new(
         fs: Arc<dyn Fs>,
         menu_handle: PopoverMenuHandle<LanguageModelSelector>,
@@ -99,40 +99,24 @@ impl AssistantModelSelector {
     }
 }
 
-impl Render for AssistantModelSelector {
+impl Render for AgentModelSelector {
     fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
         let focus_handle = self.focus_handle.clone();
 
         let model = self.selector.read(cx).active_model(cx);
-        let (model_name, model_icon) = match model {
-            Some(model) => (model.model.name().0, Some(model.provider.icon())),
-            _ => (SharedString::from("No model selected"), None),
-        };
+        let model_name = model
+            .map(|model| model.model.name().0)
+            .unwrap_or_else(|| SharedString::from("No model selected"));
 
         LanguageModelSelectorPopoverMenu::new(
             self.selector.clone(),
-            ButtonLike::new("active-model")
-                .style(ButtonStyle::Subtle)
-                .child(
-                    h_flex()
-                        .gap_0p5()
-                        .children(
-                            model_icon.map(|icon| {
-                                Icon::new(icon).color(Color::Muted).size(IconSize::Small)
-                            }),
-                        )
-                        .child(
-                            Label::new(model_name)
-                                .size(LabelSize::Small)
-                                .color(Color::Muted)
-                                .ml_1(),
-                        )
-                        .child(
-                            Icon::new(IconName::ChevronDown)
-                                .color(Color::Muted)
-                                .size(IconSize::XSmall),
-                        ),
-                ),
+            Button::new("active-model", model_name)
+                .label_size(LabelSize::Small)
+                .color(Color::Muted)
+                .icon(IconName::ChevronDown)
+                .icon_size(IconSize::XSmall)
+                .icon_position(IconPosition::End)
+                .icon_color(Color::Muted),
             move |window, cx| {
                 Tooltip::for_action_in(
                     "Change Model",

crates/agent/src/assistant.rs

@@ -1,156 +0,0 @@
-mod active_thread;
-mod agent_diff;
-mod assistant_configuration;
-mod assistant_model_selector;
-mod assistant_panel;
-mod buffer_codegen;
-mod context;
-mod context_picker;
-mod context_server_configuration;
-mod context_store;
-mod context_strip;
-mod history_store;
-mod inline_assistant;
-mod inline_prompt_editor;
-mod message_editor;
-mod profile_selector;
-mod terminal_codegen;
-mod terminal_inline_assistant;
-mod thread;
-mod thread_history;
-mod thread_store;
-mod tool_compatibility;
-mod tool_use;
-mod ui;
-
-use std::sync::Arc;
-
-use assistant_settings::{AgentProfileId, AssistantSettings};
-use client::Client;
-use command_palette_hooks::CommandPaletteFilter;
-use feature_flags::{Assistant2FeatureFlag, FeatureFlagAppExt};
-use fs::Fs;
-use gpui::{App, actions, impl_actions};
-use language::LanguageRegistry;
-use prompt_store::PromptBuilder;
-use schemars::JsonSchema;
-use serde::Deserialize;
-use settings::Settings as _;
-use thread::ThreadId;
-
-pub use crate::active_thread::ActiveThread;
-use crate::assistant_configuration::{AddContextServerModal, ManageProfilesModal};
-pub use crate::assistant_panel::{AssistantPanel, ConcreteAssistantPanelDelegate};
-pub use crate::context::{ContextLoadResult, LoadedContext};
-pub use crate::inline_assistant::InlineAssistant;
-pub use crate::thread::{Message, MessageSegment, Thread, ThreadEvent};
-pub use crate::thread_store::ThreadStore;
-pub use agent_diff::{AgentDiff, AgentDiffToolbar};
-pub use context_store::ContextStore;
-pub use ui::{all_agent_previews, get_agent_preview};
-
-actions!(
-    agent,
-    [
-        NewTextThread,
-        ToggleContextPicker,
-        ToggleNavigationMenu,
-        ToggleOptionsMenu,
-        DeleteRecentlyOpenThread,
-        ToggleProfileSelector,
-        RemoveAllContext,
-        ExpandMessageEditor,
-        OpenHistory,
-        AddContextServer,
-        RemoveSelectedThread,
-        Chat,
-        CycleNextInlineAssist,
-        CyclePreviousInlineAssist,
-        FocusUp,
-        FocusDown,
-        FocusLeft,
-        FocusRight,
-        RemoveFocusedContext,
-        AcceptSuggestedContext,
-        OpenActiveThreadAsMarkdown,
-        OpenAgentDiff,
-        Keep,
-        Reject,
-        RejectAll,
-        KeepAll
-    ]
-);
-
-#[derive(Default, Clone, PartialEq, Deserialize, JsonSchema)]
-pub struct NewThread {
-    #[serde(default)]
-    from_thread_id: Option<ThreadId>,
-}
-
-#[derive(PartialEq, Clone, Default, Debug, Deserialize, JsonSchema)]
-pub struct ManageProfiles {
-    #[serde(default)]
-    pub customize_tools: Option<AgentProfileId>,
-}
-
-impl ManageProfiles {
-    pub fn customize_tools(profile_id: AgentProfileId) -> Self {
-        Self {
-            customize_tools: Some(profile_id),
-        }
-    }
-}
-
-impl_actions!(agent, [NewThread, ManageProfiles]);
-
-const NAMESPACE: &str = "agent";
-
-/// Initializes the `agent` crate.
-pub fn init(
-    fs: Arc<dyn Fs>,
-    client: Arc<Client>,
-    prompt_builder: Arc<PromptBuilder>,
-    language_registry: Arc<LanguageRegistry>,
-    cx: &mut App,
-) {
-    AssistantSettings::register(cx);
-    thread_store::init(cx);
-    assistant_panel::init(cx);
-    context_server_configuration::init(language_registry, cx);
-
-    inline_assistant::init(
-        fs.clone(),
-        prompt_builder.clone(),
-        client.telemetry().clone(),
-        cx,
-    );
-    terminal_inline_assistant::init(
-        fs.clone(),
-        prompt_builder.clone(),
-        client.telemetry().clone(),
-        cx,
-    );
-    cx.observe_new(AddContextServerModal::register).detach();
-    cx.observe_new(ManageProfilesModal::register).detach();
-
-    feature_gate_agent_actions(cx);
-}
-
-fn feature_gate_agent_actions(cx: &mut App) {
-    CommandPaletteFilter::update_global(cx, |filter, _cx| {
-        filter.hide_namespace(NAMESPACE);
-    });
-
-    cx.observe_flag::<Assistant2FeatureFlag, _>(move |is_enabled, cx| {
-        if is_enabled {
-            CommandPaletteFilter::update_global(cx, |filter, _cx| {
-                filter.show_namespace(NAMESPACE);
-            });
-        } else {
-            CommandPaletteFilter::update_global(cx, |filter, _cx| {
-                filter.hide_namespace(NAMESPACE);
-            });
-        }
-    })
-    .detach();
-}

crates/agent/src/assistant_configuration/manage_profiles_modal/profile_modal_header.rs

@@ -1,38 +0,0 @@
-use ui::prelude::*;
-
-#[derive(IntoElement)]
-pub struct ProfileModalHeader {
-    label: SharedString,
-    icon: IconName,
-}
-
-impl ProfileModalHeader {
-    pub fn new(label: impl Into<SharedString>, icon: IconName) -> Self {
-        Self {
-            label: label.into(),
-            icon,
-        }
-    }
-}
-
-impl RenderOnce for ProfileModalHeader {
-    fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
-        h_flex()
-            .w_full()
-            .px(DynamicSpacing::Base12.rems(cx))
-            .pt(DynamicSpacing::Base08.rems(cx))
-            .pb(DynamicSpacing::Base04.rems(cx))
-            .rounded_t_sm()
-            .gap_1p5()
-            .child(Icon::new(self.icon).size(IconSize::XSmall))
-            .child(
-                h_flex().gap_1().overflow_x_hidden().child(
-                    div()
-                        .max_w_96()
-                        .overflow_x_hidden()
-                        .text_ellipsis()
-                        .child(Headline::new(self.label).size(HeadlineSize::XSmall)),
-                ),
-            )
-    }
-}

crates/agent/src/assistant_configuration/tool_picker.rs

@@ -1,303 +0,0 @@
-use std::sync::Arc;
-
-use assistant_settings::{
-    AgentProfile, AgentProfileContent, AgentProfileId, AssistantSettings, AssistantSettingsContent,
-    ContextServerPresetContent,
-};
-use assistant_tool::{ToolSource, ToolWorkingSet};
-use fs::Fs;
-use fuzzy::{StringMatch, StringMatchCandidate, match_strings};
-use gpui::{App, Context, DismissEvent, Entity, EventEmitter, Focusable, Task, WeakEntity, Window};
-use picker::{Picker, PickerDelegate};
-use settings::{Settings as _, update_settings_file};
-use ui::{HighlightedLabel, ListItem, ListItemSpacing, prelude::*};
-use util::ResultExt as _;
-
-use crate::ThreadStore;
-
-pub struct ToolPicker {
-    picker: Entity<Picker<ToolPickerDelegate>>,
-}
-
-impl ToolPicker {
-    pub fn new(delegate: ToolPickerDelegate, window: &mut Window, cx: &mut Context<Self>) -> Self {
-        let picker = cx.new(|cx| Picker::uniform_list(delegate, window, cx).modal(false));
-        Self { picker }
-    }
-}
-
-impl EventEmitter<DismissEvent> for ToolPicker {}
-
-impl Focusable for ToolPicker {
-    fn focus_handle(&self, cx: &App) -> gpui::FocusHandle {
-        self.picker.focus_handle(cx)
-    }
-}
-
-impl Render for ToolPicker {
-    fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
-        v_flex().w(rems(34.)).child(self.picker.clone())
-    }
-}
-
-#[derive(Debug, Clone)]
-pub struct ToolEntry {
-    pub name: Arc<str>,
-    pub source: ToolSource,
-}
-
-pub struct ToolPickerDelegate {
-    tool_picker: WeakEntity<ToolPicker>,
-    thread_store: WeakEntity<ThreadStore>,
-    fs: Arc<dyn Fs>,
-    tools: Vec<ToolEntry>,
-    profile_id: AgentProfileId,
-    profile: AgentProfile,
-    matches: Vec<StringMatch>,
-    selected_index: usize,
-}
-
-impl ToolPickerDelegate {
-    pub fn new(
-        fs: Arc<dyn Fs>,
-        tool_set: Entity<ToolWorkingSet>,
-        thread_store: WeakEntity<ThreadStore>,
-        profile_id: AgentProfileId,
-        profile: AgentProfile,
-        cx: &mut Context<ToolPicker>,
-    ) -> Self {
-        let mut tool_entries = Vec::new();
-
-        for (source, tools) in tool_set.read(cx).tools_by_source(cx) {
-            tool_entries.extend(tools.into_iter().map(|tool| ToolEntry {
-                name: tool.name().into(),
-                source: source.clone(),
-            }));
-        }
-
-        Self {
-            tool_picker: cx.entity().downgrade(),
-            thread_store,
-            fs,
-            tools: tool_entries,
-            profile_id,
-            profile,
-            matches: Vec::new(),
-            selected_index: 0,
-        }
-    }
-}
-
-impl PickerDelegate for ToolPickerDelegate {
-    type ListItem = ListItem;
-
-    fn match_count(&self) -> usize {
-        self.matches.len()
-    }
-
-    fn selected_index(&self) -> usize {
-        self.selected_index
-    }
-
-    fn set_selected_index(
-        &mut self,
-        ix: usize,
-        _window: &mut Window,
-        _cx: &mut Context<Picker<Self>>,
-    ) {
-        self.selected_index = ix;
-    }
-
-    fn placeholder_text(&self, _window: &mut Window, _cx: &mut App) -> Arc<str> {
-        "Search tools…".into()
-    }
-
-    fn update_matches(
-        &mut self,
-        query: String,
-        window: &mut Window,
-        cx: &mut Context<Picker<Self>>,
-    ) -> Task<()> {
-        let background = cx.background_executor().clone();
-        let candidates = self
-            .tools
-            .iter()
-            .enumerate()
-            .map(|(id, profile)| StringMatchCandidate::new(id, profile.name.as_ref()))
-            .collect::<Vec<_>>();
-
-        cx.spawn_in(window, async move |this, cx| {
-            let matches = if query.is_empty() {
-                candidates
-                    .into_iter()
-                    .enumerate()
-                    .map(|(index, candidate)| StringMatch {
-                        candidate_id: index,
-                        string: candidate.string,
-                        positions: Vec::new(),
-                        score: 0.,
-                    })
-                    .collect()
-            } else {
-                match_strings(
-                    &candidates,
-                    &query,
-                    false,
-                    100,
-                    &Default::default(),
-                    background,
-                )
-                .await
-            };
-
-            this.update(cx, |this, _cx| {
-                this.delegate.matches = matches;
-                this.delegate.selected_index = this
-                    .delegate
-                    .selected_index
-                    .min(this.delegate.matches.len().saturating_sub(1));
-            })
-            .log_err();
-        })
-    }
-
-    fn confirm(&mut self, _secondary: bool, window: &mut Window, cx: &mut Context<Picker<Self>>) {
-        if self.matches.is_empty() {
-            self.dismissed(window, cx);
-            return;
-        }
-
-        let candidate_id = self.matches[self.selected_index].candidate_id;
-        let tool = &self.tools[candidate_id];
-
-        let is_enabled = match &tool.source {
-            ToolSource::Native => {
-                let is_enabled = self.profile.tools.entry(tool.name.clone()).or_default();
-                *is_enabled = !*is_enabled;
-                *is_enabled
-            }
-            ToolSource::ContextServer { id } => {
-                let preset = self
-                    .profile
-                    .context_servers
-                    .entry(id.clone().into())
-                    .or_default();
-                let is_enabled = preset.tools.entry(tool.name.clone()).or_default();
-                *is_enabled = !*is_enabled;
-                *is_enabled
-            }
-        };
-
-        let active_profile_id = &AssistantSettings::get_global(cx).default_profile;
-        if active_profile_id == &self.profile_id {
-            self.thread_store
-                .update(cx, |this, cx| {
-                    this.load_profile(self.profile.clone(), cx);
-                })
-                .log_err();
-        }
-
-        update_settings_file::<AssistantSettings>(self.fs.clone(), cx, {
-            let profile_id = self.profile_id.clone();
-            let default_profile = self.profile.clone();
-            let tool = tool.clone();
-            move |settings: &mut AssistantSettingsContent, _cx| {
-                settings
-                    .v2_setting(|v2_settings| {
-                        let profiles = v2_settings.profiles.get_or_insert_default();
-                        let profile =
-                            profiles
-                                .entry(profile_id)
-                                .or_insert_with(|| AgentProfileContent {
-                                    name: default_profile.name.into(),
-                                    tools: default_profile.tools,
-                                    enable_all_context_servers: Some(
-                                        default_profile.enable_all_context_servers,
-                                    ),
-                                    context_servers: default_profile
-                                        .context_servers
-                                        .into_iter()
-                                        .map(|(server_id, preset)| {
-                                            (
-                                                server_id,
-                                                ContextServerPresetContent {
-                                                    tools: preset.tools,
-                                                },
-                                            )
-                                        })
-                                        .collect(),
-                                });
-
-                        match tool.source {
-                            ToolSource::Native => {
-                                *profile.tools.entry(tool.name).or_default() = is_enabled;
-                            }
-                            ToolSource::ContextServer { id } => {
-                                let preset = profile
-                                    .context_servers
-                                    .entry(id.clone().into())
-                                    .or_default();
-                                *preset.tools.entry(tool.name.clone()).or_default() = is_enabled;
-                            }
-                        }
-
-                        Ok(())
-                    })
-                    .ok();
-            }
-        });
-    }
-
-    fn dismissed(&mut self, _window: &mut Window, cx: &mut Context<Picker<Self>>) {
-        self.tool_picker
-            .update(cx, |_this, cx| cx.emit(DismissEvent))
-            .log_err();
-    }
-
-    fn render_match(
-        &self,
-        ix: usize,
-        selected: bool,
-        _window: &mut Window,
-        _cx: &mut Context<Picker<Self>>,
-    ) -> Option<Self::ListItem> {
-        let tool_match = &self.matches[ix];
-        let tool = &self.tools[tool_match.candidate_id];
-
-        let is_enabled = match &tool.source {
-            ToolSource::Native => self.profile.tools.get(&tool.name).copied().unwrap_or(false),
-            ToolSource::ContextServer { id } => self
-                .profile
-                .context_servers
-                .get(id.as_ref())
-                .and_then(|preset| preset.tools.get(&tool.name))
-                .copied()
-                .unwrap_or(self.profile.enable_all_context_servers),
-        };
-
-        Some(
-            ListItem::new(ix)
-                .inset(true)
-                .spacing(ListItemSpacing::Sparse)
-                .toggle_state(selected)
-                .child(
-                    h_flex()
-                        .gap_2()
-                        .child(HighlightedLabel::new(
-                            tool_match.string.clone(),
-                            tool_match.positions.clone(),
-                        ))
-                        .map(|parent| match &tool.source {
-                            ToolSource::Native => parent,
-                            ToolSource::ContextServer { id } => parent
-                                .child(Label::new(id).size(LabelSize::XSmall).color(Color::Muted)),
-                        }),
-                )
-                .end_slot::<Icon>(is_enabled.then(|| {
-                    Icon::new(IconName::Check)
-                        .size(IconSize::Small)
-                        .color(Color::Success)
-                })),
-        )
-    }
-}

crates/agent/src/buffer_codegen.rs

@@ -1,7 +1,8 @@
 use crate::context::ContextLoadResult;
 use crate::inline_prompt_editor::CodegenStatus;
 use crate::{context::load_context, context_store::ContextStore};
-use anyhow::Result;
+use anyhow::{Context as _, Result};
+use assistant_settings::AssistantSettings;
 use client::telemetry::Telemetry;
 use collections::HashSet;
 use editor::{Anchor, AnchorRangeExt, MultiBuffer, MultiBufferSnapshot, ToOffset as _, ToPoint};
@@ -383,7 +384,7 @@ impl CodegenAlternative {
             if user_prompt.trim().to_lowercase() == "delete" {
                 async { Ok(LanguageModelTextStream::default()) }.boxed_local()
             } else {
-                let request = self.build_request(user_prompt, cx)?;
+                let request = self.build_request(&model, user_prompt, cx)?;
                 cx.spawn(async move |_, cx| model.stream_completion_text(request.await, &cx).await)
                     .boxed_local()
             };
@@ -393,6 +394,7 @@ impl CodegenAlternative {
 
     fn build_request(
         &self,
+        model: &Arc<dyn LanguageModel>,
         user_prompt: String,
         cx: &mut App,
     ) -> Result<Task<LanguageModelRequest>> {
@@ -417,16 +419,16 @@ impl CodegenAlternative {
             if start_buffer.remote_id() == end_buffer.remote_id() {
                 (start_buffer.clone(), start_buffer_offset..end_buffer_offset)
             } else {
-                return Err(anyhow::anyhow!("invalid transformation range"));
+                anyhow::bail!("invalid transformation range");
             }
         } else {
-            return Err(anyhow::anyhow!("invalid transformation range"));
+            anyhow::bail!("invalid transformation range");
         };
 
         let prompt = self
             .builder
             .generate_inline_transformation_prompt(user_prompt, language_name, buffer, range)
-            .map_err(|e| anyhow::anyhow!("Failed to generate content prompt: {}", e))?;
+            .context("generating content prompt")?;
 
         let context_task = self.context_store.as_ref().map(|context_store| {
             if let Some(project) = self.project.upgrade() {
@@ -441,6 +443,8 @@ impl CodegenAlternative {
             }
         });
 
+        let temperature = AssistantSettings::temperature_for_model(&model, cx);
+
         Ok(cx.spawn(async move |_cx| {
             let mut request_message = LanguageModelRequestMessage {
                 role: Role::User,
@@ -462,8 +466,9 @@ impl CodegenAlternative {
                 prompt_id: None,
                 mode: None,
                 tools: Vec::new(),
+                tool_choice: None,
                 stop: Vec::new(),
-                temperature: None,
+                temperature,
                 messages: vec![request_message],
             }
         }))
@@ -772,7 +777,7 @@ impl CodegenAlternative {
         cx: &mut Context<CodegenAlternative>,
     ) {
         let transaction = self.buffer.update(cx, |buffer, cx| {
-            // Avoid grouping assistant edits with user edits.
+            // Avoid grouping agent edits with user edits.
             buffer.finalize_last_transaction(cx);
             buffer.start_transaction(cx);
             buffer.edit(edits, None, cx);
@@ -781,7 +786,7 @@ impl CodegenAlternative {
 
         if let Some(transaction) = transaction {
             if let Some(first_transaction) = self.transformation_transaction_id {
-                // Group all assistant edits into the first transaction.
+                // Group all agent edits into the first transaction.
                 self.buffer.update(cx, |buffer, cx| {
                     buffer.merge_transactions(transaction, first_transaction, cx)
                 });
@@ -1095,9 +1100,7 @@ mod tests {
 
     #[gpui::test(iterations = 10)]
     async fn test_transform_autoindent(cx: &mut TestAppContext, mut rng: StdRng) {
-        cx.set_global(cx.update(SettingsStore::test));
-        cx.update(language_model::LanguageModelRegistry::test);
-        cx.update(language_settings::init);
+        init_test(cx);
 
         let text = indoc! {"
             fn main() {
@@ -1167,8 +1170,7 @@ mod tests {
         cx: &mut TestAppContext,
         mut rng: StdRng,
     ) {
-        cx.set_global(cx.update(SettingsStore::test));
-        cx.update(language_settings::init);
+        init_test(cx);
 
         let text = indoc! {"
             fn main() {
@@ -1237,9 +1239,7 @@ mod tests {
         cx: &mut TestAppContext,
         mut rng: StdRng,
     ) {
-        cx.update(LanguageModelRegistry::test);
-        cx.set_global(cx.update(SettingsStore::test));
-        cx.update(language_settings::init);
+        init_test(cx);
 
         let text = concat!(
             "fn main() {\n",
@@ -1305,9 +1305,7 @@ mod tests {
 
     #[gpui::test(iterations = 10)]
     async fn test_autoindent_respects_tabs_in_selection(cx: &mut TestAppContext) {
-        cx.update(LanguageModelRegistry::test);
-        cx.set_global(cx.update(SettingsStore::test));
-        cx.update(language_settings::init);
+        init_test(cx);
 
         let text = indoc! {"
             func main() {
@@ -1367,9 +1365,7 @@ mod tests {
 
     #[gpui::test]
     async fn test_inactive_codegen_alternative(cx: &mut TestAppContext) {
-        cx.update(LanguageModelRegistry::test);
-        cx.set_global(cx.update(SettingsStore::test));
-        cx.update(language_settings::init);
+        init_test(cx);
 
         let text = indoc! {"
             fn main() {
@@ -1473,6 +1469,13 @@ mod tests {
         }
     }
 
+    fn init_test(cx: &mut TestAppContext) {
+        cx.update(LanguageModelRegistry::test);
+        cx.set_global(cx.update(SettingsStore::test));
+        cx.update(Project::init_settings);
+        cx.update(language_settings::init);
+    }
+
     fn simulate_response_stream(
         codegen: Entity<CodegenAlternative>,
         cx: &mut TestAppContext,

crates/agent/src/context.rs

@@ -3,11 +3,14 @@ use std::hash::{Hash, Hasher};
 use std::path::PathBuf;
 use std::{ops::Range, path::Path, sync::Arc};
 
+use assistant_context_editor::AssistantContext;
 use assistant_tool::outline;
-use collections::HashSet;
+use collections::{HashMap, HashSet};
+use editor::display_map::CreaseId;
+use editor::{Addon, Editor};
 use futures::future;
 use futures::{FutureExt, future::Shared};
-use gpui::{App, AppContext as _, Entity, SharedString, Task};
+use gpui::{App, AppContext as _, Entity, SharedString, Subscription, Task};
 use language::{Buffer, ParseStatus};
 use language_model::{LanguageModelImage, LanguageModelRequestMessage, MessageContent};
 use project::{Project, ProjectEntryId, ProjectPath, Worktree};
@@ -15,10 +18,11 @@ use prompt_store::{PromptStore, UserPromptId};
 use ref_cast::RefCast;
 use rope::Point;
 use text::{Anchor, OffsetRangeExt as _};
-use ui::{ElementId, IconName};
+use ui::{Context, ElementId, IconName};
 use util::markdown::MarkdownCodeBlock;
 use util::{ResultExt as _, post_inc};
 
+use crate::context_store::{ContextStore, ContextStoreEvent};
 use crate::thread::Thread;
 
 pub const RULES_ICON: IconName = IconName::Context;
@@ -30,6 +34,7 @@ pub enum ContextKind {
     Selection,
     FetchedUrl,
     Thread,
+    TextThread,
     Rules,
     Image,
 }
@@ -43,6 +48,7 @@ impl ContextKind {
             ContextKind::Selection => IconName::Context,
             ContextKind::FetchedUrl => IconName::Globe,
             ContextKind::Thread => IconName::MessageBubbles,
+            ContextKind::TextThread => IconName::MessageBubbles,
             ContextKind::Rules => RULES_ICON,
             ContextKind::Image => IconName::Image,
         }
@@ -62,12 +68,13 @@ pub enum AgentContextHandle {
     Selection(SelectionContextHandle),
     FetchedUrl(FetchedUrlContext),
     Thread(ThreadContextHandle),
+    TextThread(TextThreadContextHandle),
     Rules(RulesContextHandle),
     Image(ImageContext),
 }
 
 impl AgentContextHandle {
-    fn id(&self) -> ContextId {
+    pub fn id(&self) -> ContextId {
         match self {
             Self::File(context) => context.context_id,
             Self::Directory(context) => context.context_id,
@@ -75,6 +82,7 @@ impl AgentContextHandle {
             Self::Selection(context) => context.context_id,
             Self::FetchedUrl(context) => context.context_id,
             Self::Thread(context) => context.context_id,
+            Self::TextThread(context) => context.context_id,
             Self::Rules(context) => context.context_id,
             Self::Image(context) => context.context_id,
         }
@@ -95,6 +103,7 @@ pub enum AgentContext {
     Selection(SelectionContext),
     FetchedUrl(FetchedUrlContext),
     Thread(ThreadContext),
+    TextThread(TextThreadContext),
     Rules(RulesContext),
     Image(ImageContext),
 }
@@ -112,6 +121,9 @@ impl AgentContext {
             }
             AgentContext::FetchedUrl(context) => AgentContextHandle::FetchedUrl(context.clone()),
             AgentContext::Thread(context) => AgentContextHandle::Thread(context.handle.clone()),
+            AgentContext::TextThread(context) => {
+                AgentContextHandle::TextThread(context.handle.clone())
+            }
             AgentContext::Rules(context) => AgentContextHandle::Rules(context.handle.clone()),
             AgentContext::Image(context) => AgentContextHandle::Image(context.clone()),
         }
@@ -574,10 +586,7 @@ impl ThreadContextHandle {
     }
 
     pub fn title(&self, cx: &App) -> SharedString {
-        self.thread
-            .read(cx)
-            .summary()
-            .unwrap_or_else(|| "New thread".into())
+        self.thread.read(cx).summary().or_default()
     }
 
     fn load(self, cx: &App) -> Task<Option<(AgentContext, Vec<Entity<Buffer>>)>> {
@@ -585,9 +594,7 @@ impl ThreadContextHandle {
             let text = Thread::wait_for_detailed_summary_or_text(&self.thread, cx).await?;
             let title = self
                 .thread
-                .read_with(cx, |thread, _cx| {
-                    thread.summary().unwrap_or_else(|| "New thread".into())
-                })
+                .read_with(cx, |thread, _cx| thread.summary().or_default())
                 .ok()?;
             let context = AgentContext::Thread(ThreadContext {
                 title,
@@ -606,6 +613,54 @@ impl Display for ThreadContext {
     }
 }
 
+#[derive(Debug, Clone)]
+pub struct TextThreadContextHandle {
+    pub context: Entity<AssistantContext>,
+    pub context_id: ContextId,
+}
+
+#[derive(Debug, Clone)]
+pub struct TextThreadContext {
+    pub handle: TextThreadContextHandle,
+    pub title: SharedString,
+    pub text: SharedString,
+}
+
+impl TextThreadContextHandle {
+    // pub fn lookup_key() ->
+    pub fn eq_for_key(&self, other: &Self) -> bool {
+        self.context == other.context
+    }
+
+    pub fn hash_for_key<H: Hasher>(&self, state: &mut H) {
+        self.context.hash(state)
+    }
+
+    pub fn title(&self, cx: &App) -> SharedString {
+        self.context.read(cx).summary().or_default()
+    }
+
+    fn load(self, cx: &App) -> Task<Option<(AgentContext, Vec<Entity<Buffer>>)>> {
+        let title = self.title(cx);
+        let text = self.context.read(cx).to_xml(cx);
+        let context = AgentContext::TextThread(TextThreadContext {
+            title,
+            text: text.into(),
+            handle: self,
+        });
+        Task::ready(Some((context, vec![])))
+    }
+}
+
+impl Display for TextThreadContext {
+    fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
+        // TODO: escape title?
+        write!(f, "<text_thread title=\"{}\">\n", self.title)?;
+        write!(f, "{}", self.text.trim())?;
+        write!(f, "\n</text_thread>")
+    }
+}
+
 #[derive(Debug, Clone)]
 pub struct RulesContextHandle {
     pub prompt_id: UserPromptId,
@@ -694,11 +749,11 @@ pub enum ImageStatus {
 
 impl ImageContext {
     pub fn eq_for_key(&self, other: &Self) -> bool {
-        self.original_image.id == other.original_image.id
+        self.original_image.id() == other.original_image.id()
     }
 
     pub fn hash_for_key<H: Hasher>(&self, state: &mut H) {
-        self.original_image.id.hash(state);
+        self.original_image.id().hash(state);
     }
 
     pub fn image(&self) -> Option<LanguageModelImage> {
@@ -770,22 +825,20 @@ pub fn load_context(
     prompt_store: &Option<Entity<PromptStore>>,
     cx: &mut App,
 ) -> Task<ContextLoadResult> {
-    let mut load_tasks = Vec::new();
-
-    for context in contexts.iter().cloned() {
-        match context {
-            AgentContextHandle::File(context) => load_tasks.push(context.load(cx)),
-            AgentContextHandle::Directory(context) => {
-                load_tasks.push(context.load(project.clone(), cx))
-            }
-            AgentContextHandle::Symbol(context) => load_tasks.push(context.load(cx)),
-            AgentContextHandle::Selection(context) => load_tasks.push(context.load(cx)),
-            AgentContextHandle::FetchedUrl(context) => load_tasks.push(context.load()),
-            AgentContextHandle::Thread(context) => load_tasks.push(context.load(cx)),
-            AgentContextHandle::Rules(context) => load_tasks.push(context.load(prompt_store, cx)),
-            AgentContextHandle::Image(context) => load_tasks.push(context.load(cx)),
-        }
-    }
+    let load_tasks: Vec<_> = contexts
+        .into_iter()
+        .map(|context| match context {
+            AgentContextHandle::File(context) => context.load(cx),
+            AgentContextHandle::Directory(context) => context.load(project.clone(), cx),
+            AgentContextHandle::Symbol(context) => context.load(cx),
+            AgentContextHandle::Selection(context) => context.load(cx),
+            AgentContextHandle::FetchedUrl(context) => context.load(),
+            AgentContextHandle::Thread(context) => context.load(cx),
+            AgentContextHandle::TextThread(context) => context.load(cx),
+            AgentContextHandle::Rules(context) => context.load(prompt_store, cx),
+            AgentContextHandle::Image(context) => context.load(cx),
+        })
+        .collect();
 
     cx.background_spawn(async move {
         let load_results = future::join_all(load_tasks).await;
@@ -807,6 +860,7 @@ pub fn load_context(
         let mut selection_context = Vec::new();
         let mut fetched_url_context = Vec::new();
         let mut thread_context = Vec::new();
+        let mut text_thread_context = Vec::new();
         let mut rules_context = Vec::new();
         let mut images = Vec::new();
         for context in &contexts {
@@ -817,17 +871,21 @@ pub fn load_context(
                 AgentContext::Selection(context) => selection_context.push(context),
                 AgentContext::FetchedUrl(context) => fetched_url_context.push(context),
                 AgentContext::Thread(context) => thread_context.push(context),
+                AgentContext::TextThread(context) => text_thread_context.push(context),
                 AgentContext::Rules(context) => rules_context.push(context),
                 AgentContext::Image(context) => images.extend(context.image()),
             }
         }
 
+        // Use empty text if there are no contexts that contribute to text (everything but image
+        // context).
         if file_context.is_empty()
             && directory_context.is_empty()
             && symbol_context.is_empty()
             && selection_context.is_empty()
             && fetched_url_context.is_empty()
             && thread_context.is_empty()
+            && text_thread_context.is_empty()
             && rules_context.is_empty()
         {
             return ContextLoadResult {
@@ -900,6 +958,15 @@ pub fn load_context(
             text.push_str("</conversation_threads>\n");
         }
 
+        if !text_thread_context.is_empty() {
+            text.push_str("<text_threads>");
+            for context in text_thread_context {
+                text.push('\n');
+                let _ = writeln!(text, "{context}");
+            }
+            text.push_str("<text_threads>");
+        }
+
         if !rules_context.is_empty() {
             text.push_str(
                 "<user_rules>\n\
@@ -1016,6 +1083,11 @@ impl PartialEq for AgentContextKey {
                     return context.eq_for_key(other_context);
                 }
             }
+            AgentContextHandle::TextThread(context) => {
+                if let AgentContextHandle::TextThread(other_context) = &other.0 {
+                    return context.eq_for_key(other_context);
+                }
+            }
         }
         false
     }
@@ -1030,12 +1102,76 @@ impl Hash for AgentContextKey {
             AgentContextHandle::Selection(context) => context.hash_for_key(state),
             AgentContextHandle::FetchedUrl(context) => context.hash_for_key(state),
             AgentContextHandle::Thread(context) => context.hash_for_key(state),
+            AgentContextHandle::TextThread(context) => context.hash_for_key(state),
             AgentContextHandle::Rules(context) => context.hash_for_key(state),
             AgentContextHandle::Image(context) => context.hash_for_key(state),
         }
     }
 }
 
+#[derive(Default)]
+pub struct ContextCreasesAddon {
+    creases: HashMap<AgentContextKey, Vec<(CreaseId, SharedString)>>,
+    _subscription: Option<Subscription>,
+}
+
+impl Addon for ContextCreasesAddon {
+    fn to_any(&self) -> &dyn std::any::Any {
+        self
+    }
+
+    fn to_any_mut(&mut self) -> Option<&mut dyn std::any::Any> {
+        Some(self)
+    }
+}
+
+impl ContextCreasesAddon {
+    pub fn new() -> Self {
+        Self {
+            creases: HashMap::default(),
+            _subscription: None,
+        }
+    }
+
+    pub fn add_creases(
+        &mut self,
+        context_store: &Entity<ContextStore>,
+        key: AgentContextKey,
+        creases: impl IntoIterator<Item = (CreaseId, SharedString)>,
+        cx: &mut Context<Editor>,
+    ) {
+        self.creases.entry(key).or_default().extend(creases);
+        self._subscription = Some(cx.subscribe(
+            &context_store,
+            |editor, _, event, cx| match event {
+                ContextStoreEvent::ContextRemoved(key) => {
+                    let Some(this) = editor.addon_mut::<Self>() else {
+                        return;
+                    };
+                    let (crease_ids, replacement_texts): (Vec<_>, Vec<_>) = this
+                        .creases
+                        .remove(key)
+                        .unwrap_or_default()
+                        .into_iter()
+                        .unzip();
+                    let ranges = editor
+                        .remove_creases(crease_ids, cx)
+                        .into_iter()
+                        .map(|(_, range)| range)
+                        .collect::<Vec<_>>();
+                    editor.unfold_ranges(&ranges, false, false, cx);
+                    editor.edit(ranges.into_iter().zip(replacement_texts), cx);
+                    cx.notify();
+                }
+            },
+        ))
+    }
+
+    pub fn into_inner(self) -> HashMap<AgentContextKey, Vec<(CreaseId, SharedString)>> {
+        self.creases
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;

crates/agent/src/context_picker.rs

@@ -6,12 +6,12 @@ mod symbol_context_picker;
 mod thread_context_picker;
 
 use std::ops::Range;
-use std::path::PathBuf;
+use std::path::{Path, PathBuf};
 use std::sync::Arc;
 
 use anyhow::{Result, anyhow};
 pub use completion_provider::ContextPickerCompletionProvider;
-use editor::display_map::{Crease, FoldId};
+use editor::display_map::{Crease, CreaseId, CreaseMetadata, FoldId};
 use editor::{Anchor, AnchorRangeExt as _, Editor, ExcerptId, FoldPlaceholder, ToOffset};
 use fetch_context_picker::FetchContextPicker;
 use file_context_picker::FileContextPicker;
@@ -22,22 +22,25 @@ use gpui::{
 };
 use language::Buffer;
 use multi_buffer::MultiBufferRow;
+use paths::contexts_dir;
 use project::{Entry, ProjectPath};
 use prompt_store::{PromptStore, UserPromptId};
 use rules_context_picker::{RulesContextEntry, RulesContextPicker};
 use symbol_context_picker::SymbolContextPicker;
-use thread_context_picker::{ThreadContextEntry, ThreadContextPicker, render_thread_context_entry};
+use thread_context_picker::{
+    ThreadContextEntry, ThreadContextPicker, render_thread_context_entry, unordered_thread_entries,
+};
 use ui::{
     ButtonLike, ContextMenu, ContextMenuEntry, ContextMenuItem, Disclosure, TintColor, prelude::*,
 };
 use uuid::Uuid;
 use workspace::{Workspace, notifications::NotifyResultExt};
 
-use crate::AssistantPanel;
+use crate::AgentPanel;
 use crate::context::RULES_ICON;
 use crate::context_store::ContextStore;
 use crate::thread::ThreadId;
-use crate::thread_store::ThreadStore;
+use crate::thread_store::{TextThreadStore, ThreadStore};
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
 enum ContextPickerEntry {
@@ -111,7 +114,7 @@ impl TryFrom<&str> for ContextPickerMode {
             "symbol" => Ok(Self::Symbol),
             "fetch" => Ok(Self::Fetch),
             "thread" => Ok(Self::Thread),
-            "rules" => Ok(Self::Rules),
+            "rule" => Ok(Self::Rules),
             _ => Err(format!("Invalid context picker mode: {}", value)),
         }
     }
@@ -124,7 +127,7 @@ impl ContextPickerMode {
             Self::Symbol => "symbol",
             Self::Fetch => "fetch",
             Self::Thread => "thread",
-            Self::Rules => "rules",
+            Self::Rules => "rule",
         }
     }
 
@@ -164,6 +167,7 @@ pub(super) struct ContextPicker {
     workspace: WeakEntity<Workspace>,
     context_store: WeakEntity<ContextStore>,
     thread_store: Option<WeakEntity<ThreadStore>>,
+    text_thread_store: Option<WeakEntity<TextThreadStore>>,
     prompt_store: Option<Entity<PromptStore>>,
     _subscriptions: Vec<Subscription>,
 }
@@ -172,6 +176,7 @@ impl ContextPicker {
     pub fn new(
         workspace: WeakEntity<Workspace>,
         thread_store: Option<WeakEntity<ThreadStore>>,
+        text_thread_store: Option<WeakEntity<TextThreadStore>>,
         context_store: WeakEntity<ContextStore>,
         window: &mut Window,
         cx: &mut Context<Self>,
@@ -208,6 +213,7 @@ impl ContextPicker {
             workspace,
             context_store,
             thread_store,
+            text_thread_store,
             prompt_store,
             _subscriptions: subscriptions,
         }
@@ -340,10 +346,15 @@ impl ContextPicker {
                     }));
                 }
                 ContextPickerMode::Thread => {
-                    if let Some(thread_store) = self.thread_store.as_ref() {
+                    if let Some((thread_store, text_thread_store)) = self
+                        .thread_store
+                        .as_ref()
+                        .zip(self.text_thread_store.as_ref())
+                    {
                         self.mode = ContextPickerState::Thread(cx.new(|cx| {
                             ThreadContextPicker::new(
                                 thread_store.clone(),
+                                text_thread_store.clone(),
                                 context_picker.clone(),
                                 self.context_store.clone(),
                                 window,
@@ -370,6 +381,16 @@ impl ContextPicker {
         cx.focus_self(window);
     }
 
+    pub fn select_first(&mut self, window: &mut Window, cx: &mut Context<Self>) {
+        match &self.mode {
+            ContextPickerState::Default(entity) => entity.update(cx, |entity, cx| {
+                entity.select_first(&Default::default(), window, cx)
+            }),
+            // Other variants already select their first entry on open automatically
+            _ => {}
+        }
+    }
+
     fn recent_menu_item(
         &self,
         context_picker: Entity<ContextPicker>,
@@ -414,9 +435,9 @@ impl ContextPicker {
                         render_thread_context_entry(&view_thread, context_store.clone(), cx)
                             .into_any()
                     },
-                    move |_window, cx| {
+                    move |window, cx| {
                         context_picker.update(cx, |this, cx| {
-                            this.add_recent_thread(thread.clone(), cx)
+                            this.add_recent_thread(thread.clone(), window, cx)
                                 .detach_and_log_err(cx);
                         })
                     },
@@ -447,30 +468,54 @@ impl ContextPicker {
 
     fn add_recent_thread(
         &self,
-        thread: ThreadContextEntry,
+        entry: ThreadContextEntry,
+        window: &mut Window,
         cx: &mut Context<Self>,
     ) -> Task<Result<()>> {
         let Some(context_store) = self.context_store.upgrade() else {
             return Task::ready(Err(anyhow!("context store not available")));
         };
 
-        let Some(thread_store) = self
-            .thread_store
-            .as_ref()
-            .and_then(|thread_store| thread_store.upgrade())
-        else {
-            return Task::ready(Err(anyhow!("thread store not available")));
-        };
+        match entry {
+            ThreadContextEntry::Thread { id, .. } => {
+                let Some(thread_store) = self
+                    .thread_store
+                    .as_ref()
+                    .and_then(|thread_store| thread_store.upgrade())
+                else {
+                    return Task::ready(Err(anyhow!("thread store not available")));
+                };
 
-        let open_thread_task = thread_store.update(cx, |this, cx| this.open_thread(&thread.id, cx));
-        cx.spawn(async move |this, cx| {
-            let thread = open_thread_task.await?;
-            context_store.update(cx, |context_store, cx| {
-                context_store.add_thread(thread, true, cx);
-            })?;
+                let open_thread_task =
+                    thread_store.update(cx, |this, cx| this.open_thread(&id, window, cx));
+                cx.spawn(async move |this, cx| {
+                    let thread = open_thread_task.await?;
+                    context_store.update(cx, |context_store, cx| {
+                        context_store.add_thread(thread, true, cx);
+                    })?;
+                    this.update(cx, |_this, cx| cx.notify())
+                })
+            }
+            ThreadContextEntry::Context { path, .. } => {
+                let Some(text_thread_store) = self
+                    .text_thread_store
+                    .as_ref()
+                    .and_then(|thread_store| thread_store.upgrade())
+                else {
+                    return Task::ready(Err(anyhow!("text thread store not available")));
+                };
 
-            this.update(cx, |_this, cx| cx.notify())
-        })
+                let task = text_thread_store
+                    .update(cx, |this, cx| this.open_local_context(path.clone(), cx));
+                cx.spawn(async move |this, cx| {
+                    let thread = task.await?;
+                    context_store.update(cx, |context_store, cx| {
+                        context_store.add_text_thread(thread, true, cx);
+                    })?;
+                    this.update(cx, |_this, cx| cx.notify())
+                })
+            }
+        }
     }
 
     fn recent_entries(&self, cx: &mut App) -> Vec<RecentEntry> {
@@ -482,7 +527,14 @@ impl ContextPicker {
             return vec![];
         };
 
-        recent_context_picker_entries(context_store, self.thread_store.clone(), workspace, cx)
+        recent_context_picker_entries(
+            context_store,
+            self.thread_store.clone(),
+            self.text_thread_store.clone(),
+            workspace,
+            None,
+            cx,
+        )
     }
 
     fn notify_current_picker(&mut self, cx: &mut Context<Self>) {
@@ -577,12 +629,14 @@ fn available_context_picker_entries(
 fn recent_context_picker_entries(
     context_store: Entity<ContextStore>,
     thread_store: Option<WeakEntity<ThreadStore>>,
+    text_thread_store: Option<WeakEntity<TextThreadStore>>,
     workspace: Entity<Workspace>,
+    exclude_path: Option<ProjectPath>,
     cx: &App,
 ) -> Vec<RecentEntry> {
     let mut recent = Vec::with_capacity(6);
-
-    let current_files = context_store.read(cx).file_paths(cx);
+    let mut current_files = context_store.read(cx).file_paths(cx);
+    current_files.extend(exclude_path);
     let workspace = workspace.read(cx);
     let project = workspace.project().read(cx);
 
@@ -604,25 +658,35 @@ fn recent_context_picker_entries(
     let current_threads = context_store.read(cx).thread_ids();
 
     let active_thread_id = workspace
-        .panel::<AssistantPanel>(cx)
-        .map(|panel| panel.read(cx).active_thread(cx).read(cx).id());
+        .panel::<AgentPanel>(cx)
+        .and_then(|panel| Some(panel.read(cx).active_thread()?.read(cx).id()));
+
+    if let Some((thread_store, text_thread_store)) = thread_store
+        .and_then(|store| store.upgrade())
+        .zip(text_thread_store.and_then(|store| store.upgrade()))
+    {
+        let mut threads = unordered_thread_entries(thread_store, text_thread_store, cx)
+            .filter(|(_, thread)| match thread {
+                ThreadContextEntry::Thread { id, .. } => {
+                    Some(id) != active_thread_id && !current_threads.contains(id)
+                }
+                ThreadContextEntry::Context { .. } => true,
+            })
+            .collect::<Vec<_>>();
+
+        const RECENT_COUNT: usize = 2;
+        if threads.len() > RECENT_COUNT {
+            threads.select_nth_unstable_by_key(RECENT_COUNT - 1, |(updated_at, _)| {
+                std::cmp::Reverse(*updated_at)
+            });
+            threads.truncate(RECENT_COUNT);
+        }
+        threads.sort_unstable_by_key(|(updated_at, _)| std::cmp::Reverse(*updated_at));
 
-    if let Some(thread_store) = thread_store.and_then(|thread_store| thread_store.upgrade()) {
         recent.extend(
-            thread_store
-                .read(cx)
-                .reverse_chronological_threads()
+            threads
                 .into_iter()
-                .filter(|thread| {
-                    Some(&thread.id) != active_thread_id && !current_threads.contains(&thread.id)
-                })
-                .take(2)
-                .map(|thread| {
-                    RecentEntry::Thread(ThreadContextEntry {
-                        id: thread.id,
-                        summary: thread.summary,
-                    })
-                }),
+                .map(|(_, thread)| RecentEntry::Thread(thread)),
         );
     }
 
@@ -675,21 +739,20 @@ fn selection_ranges(
     })
 }
 
-pub(crate) fn insert_fold_for_mention(
+pub(crate) fn insert_crease_for_mention(
     excerpt_id: ExcerptId,
     crease_start: text::Anchor,
     content_len: usize,
     crease_label: SharedString,
     crease_icon_path: SharedString,
     editor_entity: Entity<Editor>,
+    window: &mut Window,
     cx: &mut App,
-) {
+) -> Option<CreaseId> {
     editor_entity.update(cx, |editor, cx| {
         let snapshot = editor.buffer().read(cx).snapshot(cx);
 
-        let Some(start) = snapshot.anchor_in_excerpt(excerpt_id, crease_start) else {
-            return;
-        };
+        let start = snapshot.anchor_in_excerpt(excerpt_id, crease_start)?;
 
         let start = start.bias_right(&snapshot);
         let end = snapshot.anchor_before(start.to_offset(&snapshot) + content_len);
@@ -701,10 +764,10 @@ pub(crate) fn insert_fold_for_mention(
             editor_entity.downgrade(),
         );
 
-        editor.display_map.update(cx, |display_map, cx| {
-            display_map.fold(vec![crease], cx);
-        });
-    });
+        let ids = editor.insert_creases(vec![crease.clone()], cx);
+        editor.fold_creases(vec![crease], false, window, cx);
+        Some(ids[0])
+    })
 }
 
 pub fn crease_for_mention(
@@ -714,20 +777,20 @@ pub fn crease_for_mention(
     editor_entity: WeakEntity<Editor>,
 ) -> Crease<Anchor> {
     let placeholder = FoldPlaceholder {
-        render: render_fold_icon_button(icon_path, label, editor_entity),
+        render: render_fold_icon_button(icon_path.clone(), label.clone(), editor_entity),
         merge_adjacent: false,
         ..Default::default()
     };
 
     let render_trailer = move |_row, _unfold, _window: &mut Window, _cx: &mut App| Empty.into_any();
 
-    let crease = Crease::inline(
+    Crease::inline(
         range,
         placeholder.clone(),
         fold_toggle("mention"),
         render_trailer,
-    );
-    crease
+    )
+    .with_metadata(CreaseMetadata { icon_path, label })
 }
 
 fn render_fold_icon_button(
@@ -821,7 +884,8 @@ pub enum MentionLink {
     Selection(ProjectPath, Range<usize>),
     Fetch(String),
     Thread(ThreadId),
-    Rules(UserPromptId),
+    TextThread(Arc<Path>),
+    Rule(UserPromptId),
 }
 
 impl MentionLink {
@@ -830,7 +894,9 @@ impl MentionLink {
     const SELECTION: &str = "@selection";
     const THREAD: &str = "@thread";
     const FETCH: &str = "@fetch";
-    const RULES: &str = "@rules";
+    const RULE: &str = "@rule";
+
+    const TEXT_THREAD_URL_PREFIX: &str = "text-thread://";
 
     const SEPARATOR: &str = ":";
 
@@ -840,7 +906,7 @@ impl MentionLink {
             || url.starts_with(Self::FETCH)
             || url.starts_with(Self::SELECTION)
             || url.starts_with(Self::THREAD)
-            || url.starts_with(Self::RULES)
+            || url.starts_with(Self::RULE)
     }
 
     pub fn for_file(file_name: &str, full_path: &str) -> String {
@@ -871,15 +937,30 @@ impl MentionLink {
     }
 
     pub fn for_thread(thread: &ThreadContextEntry) -> String {
-        format!("[@{}]({}:{})", thread.summary, Self::THREAD, thread.id)
+        match thread {
+            ThreadContextEntry::Thread { id, title } => {
+                format!("[@{}]({}:{})", title, Self::THREAD, id)
+            }
+            ThreadContextEntry::Context { path, title } => {
+                let filename = path.file_name().unwrap_or_default().to_string_lossy();
+                let escaped_filename = urlencoding::encode(&filename);
+                format!(
+                    "[@{}]({}:{}{})",
+                    title,
+                    Self::THREAD,
+                    Self::TEXT_THREAD_URL_PREFIX,
+                    escaped_filename
+                )
+            }
+        }
     }
 
     pub fn for_fetch(url: &str) -> String {
         format!("[@{}]({}:{})", url, Self::FETCH, url)
     }
 
-    pub fn for_rules(rules: &RulesContextEntry) -> String {
-        format!("[@{}]({}:{})", rules.title, Self::RULES, rules.prompt_id.0)
+    pub fn for_rule(rule: &RulesContextEntry) -> String {
+        format!("[@{}]({}:{})", rule.title, Self::RULE, rule.prompt_id.0)
     }
 
     pub fn try_parse(link: &str, workspace: &Entity<Workspace>, cx: &App) -> Option<Self> {
@@ -933,13 +1014,20 @@ impl MentionLink {
                 Some(MentionLink::Selection(project_path, line_range))
             }
             Self::THREAD => {
-                let thread_id = ThreadId::from(argument);
-                Some(MentionLink::Thread(thread_id))
+                if let Some(encoded_filename) = argument.strip_prefix(Self::TEXT_THREAD_URL_PREFIX)
+                {
+                    let filename = urlencoding::decode(encoded_filename).ok()?;
+                    let path = contexts_dir().join(filename.as_ref()).into();
+                    Some(MentionLink::TextThread(path))
+                } else {
+                    let thread_id = ThreadId::from(argument);
+                    Some(MentionLink::Thread(thread_id))
+                }
             }
             Self::FETCH => Some(MentionLink::Fetch(argument.to_string())),
-            Self::RULES => {
+            Self::RULE => {
                 let prompt_id = UserPromptId(Uuid::try_parse(argument).ok()?);
-                Some(MentionLink::Rules(prompt_id))
+                Some(MentionLink::Rule(prompt_id))
             }
             _ => None,
         }

crates/agent/src/context_picker/completion_provider.rs

@@ -19,11 +19,13 @@ use prompt_store::PromptStore;
 use rope::Point;
 use text::{Anchor, OffsetRangeExt, ToPoint};
 use ui::prelude::*;
+use util::ResultExt as _;
 use workspace::Workspace;
 
-use crate::context::RULES_ICON;
+use crate::Thread;
+use crate::context::{AgentContextHandle, AgentContextKey, ContextCreasesAddon, RULES_ICON};
 use crate::context_store::ContextStore;
-use crate::thread_store::ThreadStore;
+use crate::thread_store::{TextThreadStore, ThreadStore};
 
 use super::fetch_context_picker::fetch_url_content;
 use super::file_context_picker::{FileMatch, search_files};
@@ -70,6 +72,7 @@ fn search(
     recent_entries: Vec<RecentEntry>,
     prompt_store: Option<Entity<PromptStore>>,
     thread_store: Option<WeakEntity<ThreadStore>>,
+    text_thread_context_store: Option<WeakEntity<assistant_context_editor::ContextStore>>,
     workspace: Entity<Workspace>,
     cx: &mut App,
 ) -> Task<Vec<Match>> {
@@ -99,9 +102,18 @@ fn search(
         }
 
         Some(ContextPickerMode::Thread) => {
-            if let Some(thread_store) = thread_store.as_ref().and_then(|t| t.upgrade()) {
-                let search_threads_task =
-                    search_threads(query.clone(), cancellation_flag.clone(), thread_store, cx);
+            if let Some((thread_store, context_store)) = thread_store
+                .as_ref()
+                .and_then(|t| t.upgrade())
+                .zip(text_thread_context_store.as_ref().and_then(|t| t.upgrade()))
+            {
+                let search_threads_task = search_threads(
+                    query.clone(),
+                    cancellation_flag.clone(),
+                    thread_store,
+                    context_store,
+                    cx,
+                );
                 cx.background_spawn(async move {
                     search_threads_task
                         .await
@@ -234,7 +246,9 @@ pub struct ContextPickerCompletionProvider {
     workspace: WeakEntity<Workspace>,
     context_store: WeakEntity<ContextStore>,
     thread_store: Option<WeakEntity<ThreadStore>>,
+    text_thread_store: Option<WeakEntity<TextThreadStore>>,
     editor: WeakEntity<Editor>,
+    excluded_buffer: Option<WeakEntity<Buffer>>,
 }
 
 impl ContextPickerCompletionProvider {
@@ -242,13 +256,17 @@ impl ContextPickerCompletionProvider {
         workspace: WeakEntity<Workspace>,
         context_store: WeakEntity<ContextStore>,
         thread_store: Option<WeakEntity<ThreadStore>>,
+        text_thread_store: Option<WeakEntity<TextThreadStore>>,
         editor: WeakEntity<Editor>,
+        exclude_buffer: Option<WeakEntity<Buffer>>,
     ) -> Self {
         Self {
             workspace,
             context_store,
             thread_store,
+            text_thread_store,
             editor,
+            excluded_buffer: exclude_buffer,
         }
     }
 
@@ -310,7 +328,7 @@ impl ContextPickerCompletionProvider {
                             let context_store = context_store.clone();
                             let selections = selections.clone();
                             let selection_infos = selection_infos.clone();
-                            move |_, _: &mut Window, cx: &mut App| {
+                            move |_, window: &mut Window, cx: &mut App| {
                                 context_store.update(cx, |context_store, cx| {
                                     for (buffer, range) in &selections {
                                         context_store.add_selection(
@@ -323,7 +341,7 @@ impl ContextPickerCompletionProvider {
 
                                 let editor = editor.clone();
                                 let selection_infos = selection_infos.clone();
-                                cx.defer(move |cx| {
+                                window.defer(cx, move |window, cx| {
                                     let mut current_offset = 0;
                                     for (file_name, link, line_range) in selection_infos.iter() {
                                         let snapshot =
@@ -354,9 +372,8 @@ impl ContextPickerCompletionProvider {
                                         );
 
                                         editor.update(cx, |editor, cx| {
-                                            editor.display_map.update(cx, |display_map, cx| {
-                                                display_map.fold(vec![crease], cx);
-                                            });
+                                            editor.insert_creases(vec![crease.clone()], cx);
+                                            editor.fold_creases(vec![crease], false, window, cx);
                                         });
 
                                         current_offset += text_len + 1;
@@ -396,6 +413,7 @@ impl ContextPickerCompletionProvider {
         editor: Entity<Editor>,
         context_store: Entity<ContextStore>,
         thread_store: Entity<ThreadStore>,
+        text_thread_store: Entity<TextThreadStore>,
     ) -> Completion {
         let icon_for_completion = if recent {
             IconName::HistoryRerun
@@ -407,33 +425,58 @@ impl ContextPickerCompletionProvider {
         Completion {
             replace_range: source_range.clone(),
             new_text,
-            label: CodeLabel::plain(thread_entry.summary.to_string(), None),
+            label: CodeLabel::plain(thread_entry.title().to_string(), None),
             documentation: None,
             insert_text_mode: None,
             source: project::CompletionSource::Custom,
             icon_path: Some(icon_for_completion.path().into()),
             confirm: Some(confirm_completion_callback(
                 IconName::MessageBubbles.path().into(),
-                thread_entry.summary.clone(),
+                thread_entry.title().clone(),
                 excerpt_id,
                 source_range.start,
                 new_text_len,
                 editor.clone(),
-                move |cx| {
-                    let thread_id = thread_entry.id.clone();
-                    let context_store = context_store.clone();
-                    let thread_store = thread_store.clone();
-                    cx.spawn(async move |cx| {
-                        let thread = thread_store
-                            .update(cx, |thread_store, cx| {
-                                thread_store.open_thread(&thread_id, cx)
-                            })?
-                            .await?;
-                        context_store.update(cx, |context_store, cx| {
-                            context_store.add_thread(thread, false, cx)
+                context_store.clone(),
+                move |window, cx| match &thread_entry {
+                    ThreadContextEntry::Thread { id, .. } => {
+                        let thread_id = id.clone();
+                        let context_store = context_store.clone();
+                        let thread_store = thread_store.clone();
+                        window.spawn::<_, Option<_>>(cx, async move |cx| {
+                            let thread: Entity<Thread> = thread_store
+                                .update_in(cx, |thread_store, window, cx| {
+                                    thread_store.open_thread(&thread_id, window, cx)
+                                })
+                                .ok()?
+                                .await
+                                .log_err()?;
+                            let context = context_store
+                                .update(cx, |context_store, cx| {
+                                    context_store.add_thread(thread, false, cx)
+                                })
+                                .ok()??;
+                            Some(context)
                         })
-                    })
-                    .detach_and_log_err(cx);
+                    }
+                    ThreadContextEntry::Context { path, .. } => {
+                        let path = path.clone();
+                        let context_store = context_store.clone();
+                        let text_thread_store = text_thread_store.clone();
+                        cx.spawn::<_, Option<_>>(async move |cx| {
+                            let thread = text_thread_store
+                                .update(cx, |store, cx| store.open_local_context(path, cx))
+                                .ok()?
+                                .await
+                                .log_err()?;
+                            let context = context_store
+                                .update(cx, |context_store, cx| {
+                                    context_store.add_text_thread(thread, false, cx)
+                                })
+                                .ok()??;
+                            Some(context)
+                        })
+                    }
                 },
             )),
         }
@@ -446,7 +489,7 @@ impl ContextPickerCompletionProvider {
         editor: Entity<Editor>,
         context_store: Entity<ContextStore>,
     ) -> Completion {
-        let new_text = MentionLink::for_rules(&rules);
+        let new_text = MentionLink::for_rule(&rules);
         let new_text_len = new_text.len();
         Completion {
             replace_range: source_range.clone(),
@@ -463,11 +506,13 @@ impl ContextPickerCompletionProvider {
                 source_range.start,
                 new_text_len,
                 editor.clone(),
-                move |cx| {
+                context_store.clone(),
+                move |_, cx| {
                     let user_prompt_id = rules.prompt_id;
-                    context_store.update(cx, |context_store, cx| {
-                        context_store.add_rules(user_prompt_id, false, cx);
+                    let context = context_store.update(cx, |context_store, cx| {
+                        context_store.add_rules(user_prompt_id, false, cx)
                     });
+                    Task::ready(context)
                 },
             )),
         }
@@ -498,27 +543,33 @@ impl ContextPickerCompletionProvider {
                 source_range.start,
                 new_text_len,
                 editor.clone(),
-                move |cx| {
+                context_store.clone(),
+                move |_, cx| {
                     let context_store = context_store.clone();
                     let http_client = http_client.clone();
                     let url_to_fetch = url_to_fetch.clone();
                     cx.spawn(async move |cx| {
-                        if context_store.update(cx, |context_store, _| {
-                            context_store.includes_url(&url_to_fetch)
-                        })? {
-                            return Ok(());
+                        if let Some(context) = context_store
+                            .update(cx, |context_store, _| {
+                                context_store.get_url_context(url_to_fetch.clone())
+                            })
+                            .ok()?
+                        {
+                            return Some(context);
                         }
                         let content = cx
                             .background_spawn(fetch_url_content(
                                 http_client,
                                 url_to_fetch.to_string(),
                             ))
-                            .await?;
-                        context_store.update(cx, |context_store, cx| {
-                            context_store.add_fetched_url(url_to_fetch.to_string(), content, cx)
-                        })
+                            .await
+                            .log_err()?;
+                        context_store
+                            .update(cx, |context_store, cx| {
+                                context_store.add_fetched_url(url_to_fetch.to_string(), content, cx)
+                            })
+                            .ok()
                     })
-                    .detach_and_log_err(cx);
                 },
             )),
         }
@@ -577,15 +628,23 @@ impl ContextPickerCompletionProvider {
                 source_range.start,
                 new_text_len,
                 editor,
-                move |cx| {
-                    context_store.update(cx, |context_store, cx| {
-                        let task = if is_directory {
-                            Task::ready(context_store.add_directory(&project_path, false, cx))
-                        } else {
+                context_store.clone(),
+                move |_, cx| {
+                    if is_directory {
+                        Task::ready(
+                            context_store
+                                .update(cx, |context_store, cx| {
+                                    context_store.add_directory(&project_path, false, cx)
+                                })
+                                .log_err()
+                                .flatten(),
+                        )
+                    } else {
+                        let result = context_store.update(cx, |context_store, cx| {
                             context_store.add_file_from_path(project_path.clone(), false, cx)
-                        };
-                        task.detach_and_log_err(cx);
-                    })
+                        });
+                        cx.spawn(async move |_| result.await.log_err().flatten())
+                    }
                 },
             )),
         }
@@ -640,18 +699,19 @@ impl ContextPickerCompletionProvider {
                 source_range.start,
                 new_text_len,
                 editor.clone(),
-                move |cx| {
+                context_store.clone(),
+                move |_, cx| {
                     let symbol = symbol.clone();
                     let context_store = context_store.clone();
                     let workspace = workspace.clone();
-                    super::symbol_context_picker::add_symbol(
+                    let result = super::symbol_context_picker::add_symbol(
                         symbol.clone(),
                         false,
                         workspace.clone(),
                         context_store.downgrade(),
                         cx,
-                    )
-                    .detach_and_log_err(cx);
+                    );
+                    cx.spawn(async move |_| result.await.log_err()?.0)
                 },
             )),
         })
@@ -707,16 +767,26 @@ impl CompletionProvider for ContextPickerCompletionProvider {
             ..snapshot.anchor_before(state.source_range.end);
 
         let thread_store = self.thread_store.clone();
+        let text_thread_store = self.text_thread_store.clone();
         let editor = self.editor.clone();
         let http_client = workspace.read(cx).client().http_client();
 
         let MentionCompletion { mode, argument, .. } = state;
         let query = argument.unwrap_or_else(|| "".to_string());
 
+        let excluded_path = self
+            .excluded_buffer
+            .as_ref()
+            .and_then(WeakEntity::upgrade)
+            .and_then(|b| b.read(cx).file())
+            .map(|file| ProjectPath::from_file(file.as_ref(), cx));
+
         let recent_entries = recent_context_picker_entries(
             context_store.clone(),
             thread_store.clone(),
+            text_thread_store.clone(),
             workspace.clone(),
+            excluded_path.clone(),
             cx,
         );
 
@@ -734,6 +804,7 @@ impl CompletionProvider for ContextPickerCompletionProvider {
             recent_entries,
             prompt_store,
             thread_store.clone(),
+            text_thread_store.clone(),
             workspace.clone(),
             cx,
         );
@@ -749,11 +820,17 @@ impl CompletionProvider for ContextPickerCompletionProvider {
                     .into_iter()
                     .filter_map(|mat| match mat {
                         Match::File(FileMatch { mat, is_recent }) => {
+                            let project_path = ProjectPath {
+                                worktree_id: WorktreeId::from_usize(mat.worktree_id),
+                                path: mat.path.clone(),
+                            };
+
+                            if excluded_path.as_ref() == Some(&project_path) {
+                                return None;
+                            }
+
                             Some(Self::completion_for_path(
-                                ProjectPath {
-                                    worktree_id: WorktreeId::from_usize(mat.worktree_id),
-                                    path: mat.path.clone(),
-                                },
+                                project_path,
                                 &mat.path_prefix,
                                 is_recent,
                                 mat.is_dir,
@@ -779,6 +856,8 @@ impl CompletionProvider for ContextPickerCompletionProvider {
                             thread, is_recent, ..
                         }) => {
                             let thread_store = thread_store.as_ref().and_then(|t| t.upgrade())?;
+                            let text_thread_store =
+                                text_thread_store.as_ref().and_then(|t| t.upgrade())?;
                             Some(Self::completion_for_thread(
                                 thread,
                                 excerpt_id,
@@ -787,6 +866,7 @@ impl CompletionProvider for ContextPickerCompletionProvider {
                                 editor.clone(),
                                 context_store.clone(),
                                 thread_store,
+                                text_thread_store,
                             ))
                         }
 
@@ -873,24 +953,47 @@ fn confirm_completion_callback(
     start: Anchor,
     content_len: usize,
     editor: Entity<Editor>,
-    add_context_fn: impl Fn(&mut App) -> () + Send + Sync + 'static,
+    context_store: Entity<ContextStore>,
+    add_context_fn: impl Fn(&mut Window, &mut App) -> Task<Option<AgentContextHandle>>
+    + Send
+    + Sync
+    + 'static,
 ) -> Arc<dyn Fn(CompletionIntent, &mut Window, &mut App) -> bool + Send + Sync> {
-    Arc::new(move |_, _, cx| {
-        add_context_fn(cx);
+    Arc::new(move |_, window, cx| {
+        let context = add_context_fn(window, cx);
 
         let crease_text = crease_text.clone();
         let crease_icon_path = crease_icon_path.clone();
         let editor = editor.clone();
-        cx.defer(move |cx| {
-            crate::context_picker::insert_fold_for_mention(
+        let context_store = context_store.clone();
+        window.defer(cx, move |window, cx| {
+            let crease_id = crate::context_picker::insert_crease_for_mention(
                 excerpt_id,
                 start,
                 content_len,
-                crease_text,
+                crease_text.clone(),
                 crease_icon_path,
-                editor,
+                editor.clone(),
+                window,
                 cx,
             );
+            cx.spawn(async move |cx| {
+                let crease_id = crease_id?;
+                let context = context.await?;
+                editor
+                    .update(cx, |editor, cx| {
+                        if let Some(addon) = editor.addon_mut::<ContextCreasesAddon>() {
+                            addon.add_creases(
+                                &context_store,
+                                AgentContextKey(context),
+                                [(crease_id, crease_text)],
+                                cx,
+                            );
+                        }
+                    })
+                    .ok()
+            })
+            .detach();
         });
         false
     })
@@ -1095,6 +1198,7 @@ mod tests {
                         "five.txt": "",
                         "six.txt": "",
                         "seven.txt": "",
+                        "eight.txt": "",
                     }
                 }),
             )
@@ -1121,9 +1225,12 @@ mod tests {
             separator!("b/five.txt"),
             separator!("b/six.txt"),
             separator!("b/seven.txt"),
+            separator!("b/eight.txt"),
         ];
+
+        let mut opened_editors = Vec::new();
         for path in paths {
-            workspace
+            let buffer = workspace
                 .update_in(&mut cx, |workspace, window, cx| {
                     workspace.open_path(
                         ProjectPath {
@@ -1138,6 +1245,7 @@ mod tests {
                 })
                 .await
                 .unwrap();
+            opened_editors.push(buffer);
         }
 
         let editor = workspace.update_in(&mut cx, |workspace, window, cx| {
@@ -1167,12 +1275,24 @@ mod tests {
 
         let editor_entity = editor.downgrade();
         editor.update_in(&mut cx, |editor, window, cx| {
+            let last_opened_buffer = opened_editors.last().and_then(|editor| {
+                editor
+                    .downcast::<Editor>()?
+                    .read(cx)
+                    .buffer()
+                    .read(cx)
+                    .as_singleton()
+                    .as_ref()
+                    .map(Entity::downgrade)
+            });
             window.focus(&editor.focus_handle(cx));
             editor.set_completion_provider(Some(Box::new(ContextPickerCompletionProvider::new(
                 workspace.downgrade(),
                 context_store.downgrade(),
                 None,
+                None,
                 editor_entity,
+                last_opened_buffer,
             ))));
         });
 

crates/agent/src/context_picker/file_context_picker.rs

@@ -130,21 +130,19 @@ impl PickerDelegate for FileContextPickerDelegate {
 
         let is_directory = mat.is_dir;
 
-        let Some(task) = self
-            .context_store
+        self.context_store
             .update(cx, |context_store, cx| {
                 if is_directory {
-                    Task::ready(context_store.add_directory(&project_path, true, cx))
+                    context_store
+                        .add_directory(&project_path, true, cx)
+                        .log_err();
                 } else {
-                    context_store.add_file_from_path(project_path.clone(), true, cx)
+                    context_store
+                        .add_file_from_path(project_path.clone(), true, cx)
+                        .detach_and_log_err(cx);
                 }
             })
-            .ok()
-        else {
-            return;
-        };
-
-        task.detach_and_log_err(cx);
+            .ok();
     }
 
     fn dismissed(&mut self, _: &mut Window, cx: &mut Context<Picker<Self>>) {

crates/agent/src/context_picker/symbol_context_picker.rs

@@ -14,6 +14,7 @@ use ui::{ListItem, prelude::*};
 use util::ResultExt as _;
 use workspace::Workspace;
 
+use crate::context::AgentContextHandle;
 use crate::context_picker::ContextPicker;
 use crate::context_store::ContextStore;
 
@@ -143,7 +144,7 @@ impl PickerDelegate for SymbolContextPickerDelegate {
 
         let selected_index = self.selected_index;
         cx.spawn(async move |this, cx| {
-            let included = add_symbol_task.await?;
+            let (_, included) = add_symbol_task.await?;
             this.update(cx, |this, _| {
                 if let Some(mat) = this.delegate.matches.get_mut(selected_index) {
                     mat.is_included = included;
@@ -187,7 +188,7 @@ pub(crate) fn add_symbol(
     workspace: Entity<Workspace>,
     context_store: WeakEntity<ContextStore>,
     cx: &mut App,
-) -> Task<Result<bool>> {
+) -> Task<Result<(Option<AgentContextHandle>, bool)>> {
     let project = workspace.read(cx).project().clone();
     let open_buffer_task = project.update(cx, |project, cx| {
         project.open_buffer(symbol.path.clone(), cx)

crates/agent/src/context_picker/thread_context_picker.rs

@@ -1,6 +1,8 @@
+use std::path::Path;
 use std::sync::Arc;
 use std::sync::atomic::AtomicBool;
 
+use chrono::{DateTime, Utc};
 use fuzzy::StringMatchCandidate;
 use gpui::{App, DismissEvent, Entity, FocusHandle, Focusable, Task, WeakEntity};
 use picker::{Picker, PickerDelegate};
@@ -9,7 +11,7 @@ use ui::{ListItem, prelude::*};
 use crate::context_picker::ContextPicker;
 use crate::context_store::{self, ContextStore};
 use crate::thread::ThreadId;
-use crate::thread_store::ThreadStore;
+use crate::thread_store::{TextThreadStore, ThreadStore};
 
 pub struct ThreadContextPicker {
     picker: Entity<Picker<ThreadContextPickerDelegate>>,
@@ -18,13 +20,18 @@ pub struct ThreadContextPicker {
 impl ThreadContextPicker {
     pub fn new(
         thread_store: WeakEntity<ThreadStore>,
+        text_thread_context_store: WeakEntity<TextThreadStore>,
         context_picker: WeakEntity<ContextPicker>,
         context_store: WeakEntity<context_store::ContextStore>,
         window: &mut Window,
         cx: &mut Context<Self>,
     ) -> Self {
-        let delegate =
-            ThreadContextPickerDelegate::new(thread_store, context_picker, context_store);
+        let delegate = ThreadContextPickerDelegate::new(
+            thread_store,
+            text_thread_context_store,
+            context_picker,
+            context_store,
+        );
         let picker = cx.new(|cx| Picker::uniform_list(delegate, window, cx));
 
         ThreadContextPicker { picker }
@@ -44,13 +51,29 @@ impl Render for ThreadContextPicker {
 }
 
 #[derive(Debug, Clone)]
-pub struct ThreadContextEntry {
-    pub id: ThreadId,
-    pub summary: SharedString,
+pub enum ThreadContextEntry {
+    Thread {
+        id: ThreadId,
+        title: SharedString,
+    },
+    Context {
+        path: Arc<Path>,
+        title: SharedString,
+    },
+}
+
+impl ThreadContextEntry {
+    pub fn title(&self) -> &SharedString {
+        match self {
+            Self::Thread { title, .. } => title,
+            Self::Context { title, .. } => title,
+        }
+    }
 }
 
 pub struct ThreadContextPickerDelegate {
     thread_store: WeakEntity<ThreadStore>,
+    text_thread_store: WeakEntity<TextThreadStore>,
     context_picker: WeakEntity<ContextPicker>,
     context_store: WeakEntity<context_store::ContextStore>,
     matches: Vec<ThreadContextEntry>,
@@ -60,6 +83,7 @@ pub struct ThreadContextPickerDelegate {
 impl ThreadContextPickerDelegate {
     pub fn new(
         thread_store: WeakEntity<ThreadStore>,
+        text_thread_store: WeakEntity<TextThreadStore>,
         context_picker: WeakEntity<ContextPicker>,
         context_store: WeakEntity<context_store::ContextStore>,
     ) -> Self {
@@ -67,6 +91,7 @@ impl ThreadContextPickerDelegate {
             thread_store,
             context_picker,
             context_store,
+            text_thread_store,
             matches: Vec::new(),
             selected_index: 0,
         }
@@ -103,11 +128,21 @@ impl PickerDelegate for ThreadContextPickerDelegate {
         window: &mut Window,
         cx: &mut Context<Picker<Self>>,
     ) -> Task<()> {
-        let Some(thread_store) = self.thread_store.upgrade() else {
+        let Some((thread_store, text_thread_context_store)) = self
+            .thread_store
+            .upgrade()
+            .zip(self.text_thread_store.upgrade())
+        else {
             return Task::ready(());
         };
 
-        let search_task = search_threads(query, Arc::new(AtomicBool::default()), thread_store, cx);
+        let search_task = search_threads(
+            query,
+            Arc::new(AtomicBool::default()),
+            thread_store,
+            text_thread_context_store,
+            cx,
+        );
         cx.spawn_in(window, async move |this, cx| {
             let matches = search_task.await;
             this.update(cx, |this, cx| {
@@ -119,29 +154,53 @@ impl PickerDelegate for ThreadContextPickerDelegate {
         })
     }
 
-    fn confirm(&mut self, _secondary: bool, _window: &mut Window, cx: &mut Context<Picker<Self>>) {
+    fn confirm(&mut self, _secondary: bool, window: &mut Window, cx: &mut Context<Picker<Self>>) {
         let Some(entry) = self.matches.get(self.selected_index) else {
             return;
         };
 
-        let Some(thread_store) = self.thread_store.upgrade() else {
-            return;
-        };
+        match entry {
+            ThreadContextEntry::Thread { id, .. } => {
+                let Some(thread_store) = self.thread_store.upgrade() else {
+                    return;
+                };
+                let open_thread_task =
+                    thread_store.update(cx, |this, cx| this.open_thread(&id, window, cx));
 
-        let open_thread_task = thread_store.update(cx, |this, cx| this.open_thread(&entry.id, cx));
-
-        cx.spawn(async move |this, cx| {
-            let thread = open_thread_task.await?;
-            this.update(cx, |this, cx| {
-                this.delegate
-                    .context_store
-                    .update(cx, |context_store, cx| {
-                        context_store.add_thread(thread, true, cx)
+                cx.spawn(async move |this, cx| {
+                    let thread = open_thread_task.await?;
+                    this.update(cx, |this, cx| {
+                        this.delegate
+                            .context_store
+                            .update(cx, |context_store, cx| {
+                                context_store.add_thread(thread, true, cx)
+                            })
+                            .ok();
                     })
-                    .ok();
-            })
-        })
-        .detach_and_log_err(cx);
+                })
+                .detach_and_log_err(cx);
+            }
+            ThreadContextEntry::Context { path, .. } => {
+                let Some(text_thread_store) = self.text_thread_store.upgrade() else {
+                    return;
+                };
+                let task = text_thread_store
+                    .update(cx, |this, cx| this.open_local_context(path.clone(), cx));
+
+                cx.spawn(async move |this, cx| {
+                    let thread = task.await?;
+                    this.update(cx, |this, cx| {
+                        this.delegate
+                            .context_store
+                            .update(cx, |context_store, cx| {
+                                context_store.add_text_thread(thread, true, cx)
+                            })
+                            .ok();
+                    })
+                })
+                .detach_and_log_err(cx);
+            }
+        }
     }
 
     fn dismissed(&mut self, _window: &mut Window, cx: &mut Context<Picker<Self>>) {
@@ -168,13 +227,20 @@ impl PickerDelegate for ThreadContextPickerDelegate {
 }
 
 pub fn render_thread_context_entry(
-    thread: &ThreadContextEntry,
+    entry: &ThreadContextEntry,
     context_store: WeakEntity<ContextStore>,
     cx: &mut App,
 ) -> Div {
-    let added = context_store.upgrade().map_or(false, |ctx_store| {
-        ctx_store.read(cx).includes_thread(&thread.id)
-    });
+    let is_added = match entry {
+        ThreadContextEntry::Thread { id, .. } => context_store
+            .upgrade()
+            .map_or(false, |ctx_store| ctx_store.read(cx).includes_thread(&id)),
+        ThreadContextEntry::Context { path, .. } => {
+            context_store.upgrade().map_or(false, |ctx_store| {
+                ctx_store.read(cx).includes_text_thread(path)
+            })
+        }
+    };
 
     h_flex()
         .gap_1p5()
@@ -189,9 +255,9 @@ pub fn render_thread_context_entry(
                         .size(IconSize::XSmall)
                         .color(Color::Muted),
                 )
-                .child(Label::new(thread.summary.clone()).truncate()),
+                .child(Label::new(entry.title().clone()).truncate()),
         )
-        .when(added, |el| {
+        .when(is_added, |el| {
             el.child(
                 h_flex()
                     .gap_1()
@@ -211,28 +277,54 @@ pub struct ThreadMatch {
     pub is_recent: bool,
 }
 
+pub fn unordered_thread_entries(
+    thread_store: Entity<ThreadStore>,
+    text_thread_store: Entity<TextThreadStore>,
+    cx: &App,
+) -> impl Iterator<Item = (DateTime<Utc>, ThreadContextEntry)> {
+    let threads = thread_store.read(cx).unordered_threads().map(|thread| {
+        (
+            thread.updated_at,
+            ThreadContextEntry::Thread {
+                id: thread.id.clone(),
+                title: thread.summary.clone(),
+            },
+        )
+    });
+
+    let text_threads = text_thread_store
+        .read(cx)
+        .unordered_contexts()
+        .map(|context| {
+            (
+                context.mtime.to_utc(),
+                ThreadContextEntry::Context {
+                    path: context.path.clone(),
+                    title: context.title.clone().into(),
+                },
+            )
+        });
+
+    threads.chain(text_threads)
+}
+
 pub(crate) fn search_threads(
     query: String,
     cancellation_flag: Arc<AtomicBool>,
     thread_store: Entity<ThreadStore>,
+    text_thread_store: Entity<TextThreadStore>,
     cx: &mut App,
 ) -> Task<Vec<ThreadMatch>> {
-    let threads = thread_store
-        .read(cx)
-        .reverse_chronological_threads()
-        .into_iter()
-        .map(|thread| ThreadContextEntry {
-            id: thread.id,
-            summary: thread.summary,
-        })
-        .collect::<Vec<_>>();
+    let mut threads =
+        unordered_thread_entries(thread_store, text_thread_store, cx).collect::<Vec<_>>();
+    threads.sort_unstable_by_key(|(updated_at, _)| std::cmp::Reverse(*updated_at));
 
     let executor = cx.background_executor().clone();
     cx.background_spawn(async move {
         if query.is_empty() {
             threads
                 .into_iter()
-                .map(|thread| ThreadMatch {
+                .map(|(_, thread)| ThreadMatch {
                     thread,
                     is_recent: false,
                 })
@@ -241,7 +333,7 @@ pub(crate) fn search_threads(
             let candidates = threads
                 .iter()
                 .enumerate()
-                .map(|(id, thread)| StringMatchCandidate::new(id, &thread.summary))
+                .map(|(id, (_, thread))| StringMatchCandidate::new(id, &thread.title()))
                 .collect::<Vec<_>>();
             let matches = fuzzy::match_strings(
                 &candidates,
@@ -256,7 +348,7 @@ pub(crate) fn search_threads(
             matches
                 .into_iter()
                 .map(|mat| ThreadMatch {
-                    thread: threads[mat.candidate_id].clone(),
+                    thread: threads[mat.candidate_id].1.clone(),
                     is_recent: false,
                 })
                 .collect()

crates/agent/src/context_server_configuration.rs

@@ -1,14 +1,16 @@
 use std::sync::Arc;
 
 use anyhow::Context as _;
-use context_server::ContextServerDescriptorRegistry;
-use extension::ExtensionManifest;
+use context_server::ContextServerId;
+use extension::{ContextServerConfiguration, ExtensionManifest};
+use gpui::Task;
 use language::LanguageRegistry;
+use project::context_server_store::registry::ContextServerDescriptorRegistry;
 use ui::prelude::*;
 use util::ResultExt;
 use workspace::Workspace;
 
-use crate::{AssistantPanel, assistant_configuration::ConfigureContextServerModal};
+use crate::agent_configuration::ConfigureContextServerModal;
 
 pub(crate) fn init(language_registry: Arc<LanguageRegistry>, cx: &mut App) {
     cx.observe_new(move |_: &mut Workspace, window, cx| {
@@ -53,6 +55,15 @@ pub(crate) fn init(language_registry: Arc<LanguageRegistry>, cx: &mut App) {
     .detach();
 }
 
+pub enum Configuration {
+    NotAvailable(ContextServerId, Option<SharedString>),
+    Required(
+        ContextServerId,
+        Option<SharedString>,
+        ContextServerConfiguration,
+    ),
+}
+
 fn show_configure_mcp_modal(
     language_registry: Arc<LanguageRegistry>,
     manifest: &Arc<ExtensionManifest>,
@@ -60,37 +71,46 @@ fn show_configure_mcp_modal(
     window: &mut Window,
     cx: &mut Context<'_, Workspace>,
 ) {
-    let Some(context_server_manager) = workspace.panel::<AssistantPanel>(cx).map(|panel| {
-        panel
-            .read(cx)
-            .thread_store()
-            .read(cx)
-            .context_server_manager()
-    }) else {
-        return;
-    };
+    let context_server_store = workspace.project().read(cx).context_server_store();
+    let repository: Option<SharedString> = manifest.repository.as_ref().map(|s| s.clone().into());
 
-    let registry = ContextServerDescriptorRegistry::global(cx).read(cx);
-    let project = workspace.project().clone();
+    let registry = ContextServerDescriptorRegistry::default_global(cx).read(cx);
+    let worktree_store = workspace.project().read(cx).worktree_store();
     let configuration_tasks = manifest
         .context_servers
         .keys()
         .cloned()
-        .filter_map({
+        .map({
             |key| {
-                let descriptor = registry.context_server_descriptor(&key)?;
-                Some(cx.spawn({
-                    let project = project.clone();
+                let Some(descriptor) = registry.context_server_descriptor(&key) else {
+                    return Task::ready(Configuration::NotAvailable(
+                        ContextServerId(key),
+                        repository.clone(),
+                    ));
+                };
+                cx.spawn({
+                    let repository_url = repository.clone();
+                    let worktree_store = worktree_store.clone();
                     async move |_, cx| {
-                        descriptor
-                            .configuration(project, &cx)
+                        let configuration = descriptor
+                            .configuration(worktree_store.clone(), &cx)
                             .await
                             .context("Failed to resolve context server configuration")
                             .log_err()
-                            .flatten()
-                            .map(|config| (key, config))
+                            .flatten();
+
+                        match configuration {
+                            Some(config) => Configuration::Required(
+                                ContextServerId(key),
+                                repository_url,
+                                config,
+                            ),
+                            None => {
+                                Configuration::NotAvailable(ContextServerId(key), repository_url)
+                            }
+                        }
                     }
-                }))
+                })
             }
         })
         .collect::<Vec<_>>();
@@ -98,22 +118,22 @@ fn show_configure_mcp_modal(
     let jsonc_language = language_registry.language_for_name("jsonc");
 
     cx.spawn_in(window, async move |this, cx| {
-        let descriptors = futures::future::join_all(configuration_tasks).await;
+        let configurations = futures::future::join_all(configuration_tasks).await;
         let jsonc_language = jsonc_language.await.ok();
 
         this.update_in(cx, |this, window, cx| {
-            let modal = ConfigureContextServerModal::new(
-                descriptors.into_iter().flatten(),
-                jsonc_language,
-                context_server_manager,
-                language_registry,
-                cx.entity().downgrade(),
-                window,
-                cx,
-            );
-            if let Some(modal) = modal {
-                this.toggle_modal(window, cx, |_, _| modal);
-            }
+            let workspace = cx.entity().downgrade();
+            this.toggle_modal(window, cx, |window, cx| {
+                ConfigureContextServerModal::new(
+                    configurations.into_iter(),
+                    context_server_store,
+                    jsonc_language,
+                    language_registry,
+                    workspace,
+                    window,
+                    cx,
+                )
+            });
         })
     })
     .detach();

crates/agent/src/context_server_tool.rs

@@ -2,29 +2,27 @@ use std::sync::Arc;
 
 use anyhow::{Result, anyhow, bail};
 use assistant_tool::{ActionLog, Tool, ToolResult, ToolSource};
+use context_server::{ContextServerId, types};
 use gpui::{AnyWindowHandle, App, Entity, Task};
-use icons::IconName;
-use language_model::{LanguageModelRequestMessage, LanguageModelToolSchemaFormat};
-use project::Project;
-
-use crate::manager::ContextServerManager;
-use crate::types;
+use language_model::{LanguageModel, LanguageModelRequest, LanguageModelToolSchemaFormat};
+use project::{Project, context_server_store::ContextServerStore};
+use ui::IconName;
 
 pub struct ContextServerTool {
-    server_manager: Entity<ContextServerManager>,
-    server_id: Arc<str>,
+    store: Entity<ContextServerStore>,
+    server_id: ContextServerId,
     tool: types::Tool,
 }
 
 impl ContextServerTool {
     pub fn new(
-        server_manager: Entity<ContextServerManager>,
-        server_id: impl Into<Arc<str>>,
+        store: Entity<ContextServerStore>,
+        server_id: ContextServerId,
         tool: types::Tool,
     ) -> Self {
         Self {
-            server_manager,
-            server_id: server_id.into(),
+            store,
+            server_id,
             tool,
         }
     }
@@ -45,7 +43,7 @@ impl Tool for ContextServerTool {
 
     fn source(&self) -> ToolSource {
         ToolSource::ContextServer {
-            id: self.server_id.clone().into(),
+            id: self.server_id.clone().0.into(),
         }
     }
 
@@ -74,13 +72,14 @@ impl Tool for ContextServerTool {
     fn run(
         self: Arc<Self>,
         input: serde_json::Value,
-        _messages: &[LanguageModelRequestMessage],
+        _request: Arc<LanguageModelRequest>,
         _project: Entity<Project>,
         _action_log: Entity<ActionLog>,
+        _model: Arc<dyn LanguageModel>,
         _window: Option<AnyWindowHandle>,
         cx: &mut App,
     ) -> ToolResult {
-        if let Some(server) = self.server_manager.read(cx).get_server(&self.server_id) {
+        if let Some(server) = self.store.read(cx).get_running_server(&self.server_id) {
             let tool_name = self.tool.name.clone();
             let server_clone = server.clone();
             let input_clone = input.clone();
@@ -117,7 +116,7 @@ impl Tool for ContextServerTool {
                         }
                     }
                 }
-                Ok(result)
+                Ok(result.into())
             })
             .into()
         } else {

crates/agent/src/context_store.rs

@@ -1,11 +1,12 @@
 use std::ops::Range;
-use std::path::PathBuf;
+use std::path::{Path, PathBuf};
 use std::sync::Arc;
 
-use anyhow::{Result, anyhow};
+use anyhow::{Context as _, Result, anyhow};
+use assistant_context_editor::AssistantContext;
 use collections::{HashSet, IndexSet};
 use futures::{self, FutureExt};
-use gpui::{App, Context, Entity, Image, SharedString, Task, WeakEntity};
+use gpui::{App, Context, Entity, EventEmitter, Image, SharedString, Task, WeakEntity};
 use language::Buffer;
 use language_model::LanguageModelImage;
 use project::image_store::is_image_file;
@@ -18,7 +19,7 @@ use crate::ThreadStore;
 use crate::context::{
     AgentContextHandle, AgentContextKey, ContextId, DirectoryContextHandle, FetchedUrlContext,
     FileContextHandle, ImageContext, RulesContextHandle, SelectionContextHandle,
-    SymbolContextHandle, ThreadContextHandle,
+    SymbolContextHandle, TextThreadContextHandle, ThreadContextHandle,
 };
 use crate::context_strip::SuggestedContext;
 use crate::thread::{MessageId, Thread, ThreadId};
@@ -29,8 +30,15 @@ pub struct ContextStore {
     next_context_id: ContextId,
     context_set: IndexSet<AgentContextKey>,
     context_thread_ids: HashSet<ThreadId>,
+    context_text_thread_paths: HashSet<Arc<Path>>,
 }
 
+pub enum ContextStoreEvent {
+    ContextRemoved(AgentContextKey),
+}
+
+impl EventEmitter<ContextStoreEvent> for ContextStore {}
+
 impl ContextStore {
     pub fn new(
         project: WeakEntity<Project>,
@@ -42,6 +50,7 @@ impl ContextStore {
             next_context_id: ContextId::zero(),
             context_set: IndexSet::default(),
             context_thread_ids: HashSet::default(),
+            context_text_thread_paths: HashSet::default(),
         }
     }
 
@@ -82,7 +91,7 @@ impl ContextStore {
         project_path: ProjectPath,
         remove_if_exists: bool,
         cx: &mut Context<Self>,
-    ) -> Task<Result<()>> {
+    ) -> Task<Result<Option<AgentContextHandle>>> {
         let Some(project) = self.project.upgrade() else {
             return Task::ready(Err(anyhow!("failed to read project")));
         };
@@ -108,21 +117,22 @@ impl ContextStore {
         buffer: Entity<Buffer>,
         remove_if_exists: bool,
         cx: &mut Context<Self>,
-    ) {
+    ) -> Option<AgentContextHandle> {
         let context_id = self.next_context_id.post_inc();
         let context = AgentContextHandle::File(FileContextHandle { buffer, context_id });
 
-        let already_included = if self.has_context(&context) {
+        if let Some(key) = self.context_set.get(AgentContextKey::ref_cast(&context)) {
             if remove_if_exists {
                 self.remove_context(&context, cx);
+                None
+            } else {
+                Some(key.as_ref().clone())
             }
-            true
+        } else if self.path_included_in_directory(project_path, cx).is_some() {
+            None
         } else {
-            self.path_included_in_directory(project_path, cx).is_some()
-        };
-
-        if !already_included {
-            self.insert_context(context, cx);
+            self.insert_context(context.clone(), cx);
+            Some(context)
         }
     }
 
@@ -131,18 +141,13 @@ impl ContextStore {
         project_path: &ProjectPath,
         remove_if_exists: bool,
         cx: &mut Context<Self>,
-    ) -> Result<()> {
-        let Some(project) = self.project.upgrade() else {
-            return Err(anyhow!("failed to read project"));
-        };
-
-        let Some(entry_id) = project
+    ) -> Result<Option<AgentContextHandle>> {
+        let project = self.project.upgrade().context("failed to read project")?;
+        let entry_id = project
             .read(cx)
             .entry_for_path(project_path, cx)
             .map(|entry| entry.id)
-        else {
-            return Err(anyhow!("no entry found for directory context"));
-        };
+            .context("no entry found for directory context")?;
 
         let context_id = self.next_context_id.post_inc();
         let context = AgentContextHandle::Directory(DirectoryContextHandle {
@@ -150,15 +155,20 @@ impl ContextStore {
             context_id,
         });
 
-        if self.has_context(&context) {
-            if remove_if_exists {
-                self.remove_context(&context, cx);
-            }
-        } else if self.path_included_in_directory(project_path, cx).is_none() {
-            self.insert_context(context, cx);
-        }
+        let context =
+            if let Some(existing) = self.context_set.get(AgentContextKey::ref_cast(&context)) {
+                if remove_if_exists {
+                    self.remove_context(&context, cx);
+                    None
+                } else {
+                    Some(existing.as_ref().clone())
+                }
+            } else {
+                self.insert_context(context.clone(), cx);
+                Some(context)
+            };
 
-        anyhow::Ok(())
+        anyhow::Ok(context)
     }
 
     pub fn add_symbol(
@@ -169,7 +179,7 @@ impl ContextStore {
         enclosing_range: Range<Anchor>,
         remove_if_exists: bool,
         cx: &mut Context<Self>,
-    ) -> bool {
+    ) -> (Option<AgentContextHandle>, bool) {
         let context_id = self.next_context_id.post_inc();
         let context = AgentContextHandle::Symbol(SymbolContextHandle {
             buffer,
@@ -179,14 +189,18 @@ impl ContextStore {
             context_id,
         });
 
-        if self.has_context(&context) {
-            if remove_if_exists {
+        if let Some(key) = self.context_set.get(AgentContextKey::ref_cast(&context)) {
+            let handle = if remove_if_exists {
                 self.remove_context(&context, cx);
-            }
-            return false;
+                None
+            } else {
+                Some(key.as_ref().clone())
+            };
+            return (handle, false);
         }
 
-        self.insert_context(context, cx)
+        let included = self.insert_context(context.clone(), cx);
+        (Some(context), included)
     }
 
     pub fn add_thread(
@@ -194,16 +208,45 @@ impl ContextStore {
         thread: Entity<Thread>,
         remove_if_exists: bool,
         cx: &mut Context<Self>,
-    ) {
+    ) -> Option<AgentContextHandle> {
         let context_id = self.next_context_id.post_inc();
         let context = AgentContextHandle::Thread(ThreadContextHandle { thread, context_id });
 
-        if self.has_context(&context) {
+        if let Some(existing) = self.context_set.get(AgentContextKey::ref_cast(&context)) {
             if remove_if_exists {
                 self.remove_context(&context, cx);
+                None
+            } else {
+                Some(existing.as_ref().clone())
             }
         } else {
-            self.insert_context(context, cx);
+            self.insert_context(context.clone(), cx);
+            Some(context)
+        }
+    }
+
+    pub fn add_text_thread(
+        &mut self,
+        context: Entity<AssistantContext>,
+        remove_if_exists: bool,
+        cx: &mut Context<Self>,
+    ) -> Option<AgentContextHandle> {
+        let context_id = self.next_context_id.post_inc();
+        let context = AgentContextHandle::TextThread(TextThreadContextHandle {
+            context,
+            context_id,
+        });
+
+        if let Some(existing) = self.context_set.get(AgentContextKey::ref_cast(&context)) {
+            if remove_if_exists {
+                self.remove_context(&context, cx);
+                None
+            } else {
+                Some(existing.as_ref().clone())
+            }
+        } else {
+            self.insert_context(context.clone(), cx);
+            Some(context)
         }
     }
 
@@ -212,19 +255,23 @@ impl ContextStore {
         prompt_id: UserPromptId,
         remove_if_exists: bool,
         cx: &mut Context<ContextStore>,
-    ) {
+    ) -> Option<AgentContextHandle> {
         let context_id = self.next_context_id.post_inc();
         let context = AgentContextHandle::Rules(RulesContextHandle {
             prompt_id,
             context_id,
         });
 
-        if self.has_context(&context) {
+        if let Some(existing) = self.context_set.get(AgentContextKey::ref_cast(&context)) {
             if remove_if_exists {
                 self.remove_context(&context, cx);
+                None
+            } else {
+                Some(existing.as_ref().clone())
             }
         } else {
-            self.insert_context(context, cx);
+            self.insert_context(context.clone(), cx);
+            Some(context)
         }
     }
 
@@ -233,14 +280,15 @@ impl ContextStore {
         url: String,
         text: impl Into<SharedString>,
         cx: &mut Context<ContextStore>,
-    ) {
+    ) -> AgentContextHandle {
         let context = AgentContextHandle::FetchedUrl(FetchedUrlContext {
             url: url.into(),
             text: text.into(),
             context_id: self.next_context_id.post_inc(),
         });
 
-        self.insert_context(context, cx);
+        self.insert_context(context.clone(), cx);
+        context
     }
 
     pub fn add_image_from_path(
@@ -248,7 +296,7 @@ impl ContextStore {
         project_path: ProjectPath,
         remove_if_exists: bool,
         cx: &mut Context<ContextStore>,
-    ) -> Task<Result<()>> {
+    ) -> Task<Result<Option<AgentContextHandle>>> {
         let project = self.project.clone();
         cx.spawn(async move |this, cx| {
             let open_image_task = project.update(cx, |project, cx| {
@@ -262,7 +310,7 @@ impl ContextStore {
                     image,
                     remove_if_exists,
                     cx,
-                );
+                )
             })
         })
     }
@@ -277,7 +325,7 @@ impl ContextStore {
         image: Arc<Image>,
         remove_if_exists: bool,
         cx: &mut Context<ContextStore>,
-    ) {
+    ) -> Option<AgentContextHandle> {
         let image_task = LanguageModelImage::from_image(image.clone(), cx).shared();
         let context = AgentContextHandle::Image(ImageContext {
             project_path,
@@ -288,11 +336,12 @@ impl ContextStore {
         if self.has_context(&context) {
             if remove_if_exists {
                 self.remove_context(&context, cx);
-                return;
+                return None;
             }
         }
 
-        self.insert_context(context, cx);
+        self.insert_context(context.clone(), cx);
+        Some(context)
     }
 
     pub fn add_selection(
@@ -338,6 +387,18 @@ impl ContextStore {
                     );
                 }
             }
+            SuggestedContext::TextThread { context, name: _ } => {
+                if let Some(context) = context.upgrade() {
+                    let context_id = self.next_context_id.post_inc();
+                    self.insert_context(
+                        AgentContextHandle::TextThread(TextThreadContextHandle {
+                            context,
+                            context_id,
+                        }),
+                        cx,
+                    );
+                }
+            }
         }
     }
 
@@ -354,6 +415,10 @@ impl ContextStore {
                     return false;
                 }
             }
+            AgentContextHandle::TextThread(text_thread_context) => {
+                self.context_text_thread_paths
+                    .extend(text_thread_context.context.read(cx).path().cloned());
+            }
             _ => {}
         }
         let inserted = self.context_set.insert(AgentContextKey(context));
@@ -364,17 +429,23 @@ impl ContextStore {
     }
 
     pub fn remove_context(&mut self, context: &AgentContextHandle, cx: &mut Context<Self>) {
-        if self
+        if let Some((_, key)) = self
             .context_set
-            .shift_remove(AgentContextKey::ref_cast(context))
+            .shift_remove_full(AgentContextKey::ref_cast(context))
         {
             match context {
                 AgentContextHandle::Thread(thread_context) => {
                     self.context_thread_ids
                         .remove(thread_context.thread.read(cx).id());
                 }
+                AgentContextHandle::TextThread(text_thread_context) => {
+                    if let Some(path) = text_thread_context.context.read(cx).path() {
+                        self.context_text_thread_paths.remove(path);
+                    }
+                }
                 _ => {}
             }
+            cx.emit(ContextStoreEvent::ContextRemoved(key));
             cx.notify();
         }
     }
@@ -441,6 +512,10 @@ impl ContextStore {
         self.context_thread_ids.contains(thread_id)
     }
 
+    pub fn includes_text_thread(&self, path: &Arc<Path>) -> bool {
+        self.context_text_thread_paths.contains(path)
+    }
+
     pub fn includes_user_rules(&self, prompt_id: UserPromptId) -> bool {
         self.context_set
             .contains(&RulesContextHandle::lookup_key(prompt_id))
@@ -451,6 +526,12 @@ impl ContextStore {
             .contains(&FetchedUrlContext::lookup_key(url.into()))
     }
 
+    pub fn get_url_context(&self, url: SharedString) -> Option<AgentContextHandle> {
+        self.context_set
+            .get(&FetchedUrlContext::lookup_key(url))
+            .map(|key| key.as_ref().clone())
+    }
+
     pub fn file_paths(&self, cx: &App) -> HashSet<ProjectPath> {
         self.context()
             .filter_map(|context| match context {
@@ -463,6 +544,7 @@ impl ContextStore {
                 | AgentContextHandle::Selection(_)
                 | AgentContextHandle::FetchedUrl(_)
                 | AgentContextHandle::Thread(_)
+                | AgentContextHandle::TextThread(_)
                 | AgentContextHandle::Rules(_)
                 | AgentContextHandle::Image(_) => None,
             })

crates/agent/src/context_strip.rs

@@ -1,6 +1,7 @@
 use std::path::Path;
 use std::rc::Rc;
 
+use assistant_context_editor::AssistantContext;
 use collections::HashSet;
 use editor::Editor;
 use file_icons::FileIcons;
@@ -11,17 +12,17 @@ use gpui::{
 use itertools::Itertools;
 use language::Buffer;
 use project::ProjectItem;
-use ui::{KeyBinding, PopoverMenu, PopoverMenuHandle, Tooltip, prelude::*};
+use ui::{PopoverMenu, PopoverMenuHandle, Tooltip, prelude::*};
 use workspace::Workspace;
 
 use crate::context::{AgentContextHandle, ContextKind};
 use crate::context_picker::ContextPicker;
 use crate::context_store::ContextStore;
 use crate::thread::Thread;
-use crate::thread_store::ThreadStore;
+use crate::thread_store::{TextThreadStore, ThreadStore};
 use crate::ui::{AddedContext, ContextPill};
 use crate::{
-    AcceptSuggestedContext, AssistantPanel, FocusDown, FocusLeft, FocusRight, FocusUp,
+    AcceptSuggestedContext, AgentPanel, FocusDown, FocusLeft, FocusRight, FocusUp,
     RemoveAllContext, RemoveFocusedContext, ToggleContextPicker,
 };
 
@@ -43,6 +44,7 @@ impl ContextStrip {
         context_store: Entity<ContextStore>,
         workspace: WeakEntity<Workspace>,
         thread_store: Option<WeakEntity<ThreadStore>>,
+        text_thread_store: Option<WeakEntity<TextThreadStore>>,
         context_picker_menu_handle: PopoverMenuHandle<ContextPicker>,
         suggest_context_kind: SuggestContextKind,
         window: &mut Window,
@@ -52,6 +54,7 @@ impl ContextStrip {
             ContextPicker::new(
                 workspace.clone(),
                 thread_store.clone(),
+                text_thread_store,
                 context_store.downgrade(),
                 window,
                 cx,
@@ -81,6 +84,12 @@ impl ContextStrip {
         }
     }
 
+    /// Whether or not the context strip has items to display
+    pub fn has_context_items(&self, cx: &App) -> bool {
+        self.context_store.read(cx).context().next().is_some()
+            || self.suggested_context(cx).is_some()
+    }
+
     fn added_contexts(&self, cx: &App) -> Vec<AddedContext> {
         if let Some(workspace) = self.workspace.upgrade() {
             let project = workspace.read(cx).project().read(cx);
@@ -101,14 +110,14 @@ impl ContextStrip {
         }
     }
 
-    fn suggested_context(&self, cx: &Context<Self>) -> Option<SuggestedContext> {
+    fn suggested_context(&self, cx: &App) -> Option<SuggestedContext> {
         match self.suggest_context_kind {
             SuggestContextKind::File => self.suggested_file(cx),
             SuggestContextKind::Thread => self.suggested_thread(cx),
         }
     }
 
-    fn suggested_file(&self, cx: &Context<Self>) -> Option<SuggestedContext> {
+    fn suggested_file(&self, cx: &App) -> Option<SuggestedContext> {
         let workspace = self.workspace.upgrade()?;
         let active_item = workspace.read(cx).active_item(cx)?;
 
@@ -135,33 +144,48 @@ impl ContextStrip {
         })
     }
 
-    fn suggested_thread(&self, cx: &Context<Self>) -> Option<SuggestedContext> {
+    fn suggested_thread(&self, cx: &App) -> Option<SuggestedContext> {
         if !self.context_picker.read(cx).allow_threads() {
             return None;
         }
 
         let workspace = self.workspace.upgrade()?;
-        let active_thread = workspace
-            .read(cx)
-            .panel::<AssistantPanel>(cx)?
-            .read(cx)
-            .active_thread(cx);
-        let weak_active_thread = active_thread.downgrade();
+        let panel = workspace.read(cx).panel::<AgentPanel>(cx)?.read(cx);
 
-        let active_thread = active_thread.read(cx);
+        if let Some(active_thread) = panel.active_thread() {
+            let weak_active_thread = active_thread.downgrade();
 
-        if self
-            .context_store
-            .read(cx)
-            .includes_thread(active_thread.id())
-        {
-            return None;
+            let active_thread = active_thread.read(cx);
+
+            if self
+                .context_store
+                .read(cx)
+                .includes_thread(active_thread.id())
+            {
+                return None;
+            }
+
+            Some(SuggestedContext::Thread {
+                name: active_thread.summary().or_default(),
+                thread: weak_active_thread,
+            })
+        } else if let Some(active_context_editor) = panel.active_context_editor() {
+            let context = active_context_editor.read(cx).context();
+            let weak_context = context.downgrade();
+            let context = context.read(cx);
+            let path = context.path()?;
+
+            if self.context_store.read(cx).includes_text_thread(path) {
+                return None;
+            }
+
+            Some(SuggestedContext::TextThread {
+                name: context.summary().or_default(),
+                context: weak_context,
+            })
+        } else {
+            None
         }
-
-        Some(SuggestedContext::Thread {
-            name: active_thread.summary_or_default(),
-            thread: weak_active_thread,
-        })
     }
 
     fn handle_context_picker_event(
@@ -357,7 +381,7 @@ impl Focusable for ContextStrip {
 }
 
 impl Render for ContextStrip {
-    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
         let context_picker = self.context_picker.clone();
         let focus_handle = self.focus_handle.clone();
 
@@ -402,12 +426,25 @@ impl Render for ContextStrip {
             })
             .child(
                 PopoverMenu::new("context-picker")
-                    .menu(move |window, cx| {
-                        context_picker.update(cx, |this, cx| {
-                            this.init(window, cx);
-                        });
+                    .menu({
+                        let context_picker = context_picker.clone();
+                        move |window, cx| {
+                            context_picker.update(cx, |this, cx| {
+                                this.init(window, cx);
+                            });
 
-                        Some(context_picker.clone())
+                            Some(context_picker.clone())
+                        }
+                    })
+                    .on_open({
+                        let context_picker = context_picker.downgrade();
+                        Rc::new(move |window, cx| {
+                            context_picker
+                                .update(cx, |context_picker, cx| {
+                                    context_picker.select_first(window, cx);
+                                })
+                                .ok();
+                        })
                     })
                     .trigger_with_tooltip(
                         IconButton::new("add-context", IconName::Plus)
@@ -434,30 +471,6 @@ impl Render for ContextStrip {
                     })
                     .with_handle(self.context_picker_menu_handle.clone()),
             )
-            .when(no_added_context && suggested_context.is_none(), {
-                |parent| {
-                    parent.child(
-                        h_flex()
-                            .ml_1p5()
-                            .gap_2()
-                            .child(
-                                Label::new("Add Context")
-                                    .size(LabelSize::Small)
-                                    .color(Color::Muted),
-                            )
-                            .opacity(0.5)
-                            .children(
-                                KeyBinding::for_action_in(
-                                    &ToggleContextPicker,
-                                    &focus_handle,
-                                    window,
-                                    cx,
-                                )
-                                .map(|binding| binding.into_any_element()),
-                            ),
-                    )
-                }
-            })
             .children(
                 added_contexts
                     .into_iter()
@@ -562,6 +575,10 @@ pub enum SuggestedContext {
         name: SharedString,
         thread: WeakEntity<Thread>,
     },
+    TextThread {
+        name: SharedString,
+        context: WeakEntity<AssistantContext>,
+    },
 }
 
 impl SuggestedContext {
@@ -569,6 +586,7 @@ impl SuggestedContext {
         match self {
             Self::File { name, .. } => name,
             Self::Thread { name, .. } => name,
+            Self::TextThread { name, .. } => name,
         }
     }
 
@@ -576,6 +594,7 @@ impl SuggestedContext {
         match self {
             Self::File { icon_path, .. } => icon_path.clone(),
             Self::Thread { .. } => None,
+            Self::TextThread { .. } => None,
         }
     }
 
@@ -583,6 +602,7 @@ impl SuggestedContext {
         match self {
             Self::File { .. } => ContextKind::File,
             Self::Thread { .. } => ContextKind::Thread,
+            Self::TextThread { .. } => ContextKind::TextThread,
         }
     }
 }

crates/agent/src/debug.rs

@@ -0,0 +1,124 @@
+#![allow(unused, dead_code)]
+
+use gpui::Global;
+use language_model::RequestUsage;
+use std::ops::{Deref, DerefMut};
+use ui::prelude::*;
+use zed_llm_client::{Plan, UsageLimit};
+
+/// Debug only: Used for testing various account states
+///
+/// Use this by initializing it with
+/// `cx.set_global(DebugAccountState::default());` somewhere
+///
+/// Then call `cx.debug_account()` to get access
+#[derive(Clone, Debug)]
+pub struct DebugAccountState {
+    pub enabled: bool,
+    pub trial_expired: bool,
+    pub plan: Plan,
+    pub custom_prompt_usage: RequestUsage,
+    pub usage_based_billing_enabled: bool,
+    pub monthly_spending_cap: i32,
+    pub custom_edit_prediction_usage: UsageLimit,
+}
+
+impl DebugAccountState {
+    pub fn enabled(&self) -> bool {
+        self.enabled
+    }
+
+    pub fn set_enabled(&mut self, enabled: bool) -> &mut Self {
+        self.enabled = enabled;
+        self
+    }
+
+    pub fn set_trial_expired(&mut self, trial_expired: bool) -> &mut Self {
+        self.trial_expired = trial_expired;
+        self
+    }
+
+    pub fn set_plan(&mut self, plan: Plan) -> &mut Self {
+        self.plan = plan;
+        self
+    }
+
+    pub fn set_custom_prompt_usage(&mut self, custom_prompt_usage: RequestUsage) -> &mut Self {
+        self.custom_prompt_usage = custom_prompt_usage;
+        self
+    }
+
+    pub fn set_usage_based_billing_enabled(
+        &mut self,
+        usage_based_billing_enabled: bool,
+    ) -> &mut Self {
+        self.usage_based_billing_enabled = usage_based_billing_enabled;
+        self
+    }
+
+    pub fn set_monthly_spending_cap(&mut self, monthly_spending_cap: i32) -> &mut Self {
+        self.monthly_spending_cap = monthly_spending_cap;
+        self
+    }
+
+    pub fn set_custom_edit_prediction_usage(
+        &mut self,
+        custom_edit_prediction_usage: UsageLimit,
+    ) -> &mut Self {
+        self.custom_edit_prediction_usage = custom_edit_prediction_usage;
+        self
+    }
+}
+
+impl Default for DebugAccountState {
+    fn default() -> Self {
+        Self {
+            enabled: false,
+            trial_expired: false,
+            plan: Plan::ZedFree,
+            custom_prompt_usage: RequestUsage {
+                limit: UsageLimit::Unlimited,
+                amount: 0,
+            },
+            usage_based_billing_enabled: false,
+            // $50.00
+            monthly_spending_cap: 5000,
+            custom_edit_prediction_usage: UsageLimit::Unlimited,
+        }
+    }
+}
+
+impl DebugAccountState {
+    pub fn get_global(cx: &App) -> &Self {
+        &cx.global::<GlobalDebugAccountState>().0
+    }
+}
+
+#[derive(Clone, Debug)]
+pub struct GlobalDebugAccountState(pub DebugAccountState);
+
+impl Global for GlobalDebugAccountState {}
+
+impl Deref for GlobalDebugAccountState {
+    type Target = DebugAccountState;
+
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+impl DerefMut for GlobalDebugAccountState {
+    fn deref_mut(&mut self) -> &mut Self::Target {
+        &mut self.0
+    }
+}
+
+pub trait DebugAccount {
+    fn debug_account(&self) -> &DebugAccountState;
+}
+
+impl DebugAccount for App {
+    fn debug_account(&self) -> &DebugAccountState {
+        &self.global::<GlobalDebugAccountState>().0
+    }
+}

crates/agent/src/history_store.rs

@@ -1,6 +1,6 @@
-use std::{collections::VecDeque, path::Path};
+use std::{collections::VecDeque, path::Path, sync::Arc};
 
-use anyhow::{Context as _, anyhow};
+use anyhow::Context as _;
 use assistant_context_editor::{AssistantContext, SavedContextMetadata};
 use chrono::{DateTime, Utc};
 use futures::future::{TryFutureExt as _, join_all};
@@ -8,7 +8,7 @@ use gpui::{Entity, Task, prelude::*};
 use serde::{Deserialize, Serialize};
 use smol::future::FutureExt;
 use std::time::Duration;
-use ui::{App, SharedString};
+use ui::{App, SharedString, Window};
 use util::ResultExt as _;
 
 use crate::{
@@ -34,6 +34,20 @@ impl HistoryEntry {
             HistoryEntry::Context(context) => context.mtime.to_utc(),
         }
     }
+
+    pub fn id(&self) -> HistoryEntryId {
+        match self {
+            HistoryEntry::Thread(thread) => HistoryEntryId::Thread(thread.id.clone()),
+            HistoryEntry::Context(context) => HistoryEntryId::Context(context.path.clone()),
+        }
+    }
+}
+
+/// Generic identifier for a history entry.
+#[derive(Clone, PartialEq, Eq)]
+pub enum HistoryEntryId {
+    Thread(ThreadId),
+    Context(Arc<Path>),
 }
 
 #[derive(Clone, Debug)]
@@ -57,8 +71,8 @@ impl Eq for RecentEntry {}
 impl RecentEntry {
     pub(crate) fn summary(&self, cx: &App) -> SharedString {
         match self {
-            RecentEntry::Thread(_, thread) => thread.read(cx).summary_or_default(),
-            RecentEntry::Context(context) => context.read(cx).summary_or_default(),
+            RecentEntry::Thread(_, thread) => thread.read(cx).summary().or_default(),
+            RecentEntry::Context(context) => context.read(cx).summary().or_default(),
         }
     }
 }
@@ -82,6 +96,7 @@ impl HistoryStore {
         thread_store: Entity<ThreadStore>,
         context_store: Entity<assistant_context_editor::ContextStore>,
         initial_recent_entries: impl IntoIterator<Item = RecentEntry>,
+        window: &mut Window,
         cx: &mut Context<Self>,
     ) -> Self {
         let subscriptions = vec![
@@ -89,55 +104,68 @@ impl HistoryStore {
             cx.observe(&context_store, |_, _, cx| cx.notify()),
         ];
 
-        cx.spawn({
-            let thread_store = thread_store.downgrade();
-            let context_store = context_store.downgrade();
-            async move |this, cx| {
-                let path = paths::data_dir().join(NAVIGATION_HISTORY_PATH);
-                let contents = cx
-                    .background_spawn(async move { std::fs::read_to_string(path) })
-                    .await
-                    .context("reading persisted agent panel navigation history")?;
-                let entries = serde_json::from_str::<Vec<SerializedRecentEntry>>(&contents)
-                    .context("deserializing persisted agent panel navigation history")?
-                    .into_iter()
-                    .take(MAX_RECENTLY_OPENED_ENTRIES)
-                    .map(|serialized| match serialized {
-                        SerializedRecentEntry::Thread(id) => thread_store
-                            .update(cx, |thread_store, cx| {
-                                let thread_id = ThreadId::from(id.as_str());
-                                thread_store
-                                    .open_thread(&thread_id, cx)
-                                    .map_ok(|thread| RecentEntry::Thread(thread_id, thread))
+        window
+            .spawn(cx, {
+                let thread_store = thread_store.downgrade();
+                let context_store = context_store.downgrade();
+                let this = cx.weak_entity();
+                async move |cx| {
+                    let path = paths::data_dir().join(NAVIGATION_HISTORY_PATH);
+                    let contents = cx
+                        .background_spawn(async move { std::fs::read_to_string(path) })
+                        .await
+                        .ok()?;
+                    let entries = serde_json::from_str::<Vec<SerializedRecentEntry>>(&contents)
+                        .context("deserializing persisted agent panel navigation history")
+                        .log_err()?
+                        .into_iter()
+                        .take(MAX_RECENTLY_OPENED_ENTRIES)
+                        .map(|serialized| match serialized {
+                            SerializedRecentEntry::Thread(id) => thread_store
+                                .update_in(cx, |thread_store, window, cx| {
+                                    let thread_id = ThreadId::from(id.as_str());
+                                    thread_store
+                                        .open_thread(&thread_id, window, cx)
+                                        .map_ok(|thread| RecentEntry::Thread(thread_id, thread))
+                                        .boxed()
+                                })
+                                .unwrap_or_else(|_| {
+                                    async {
+                                        anyhow::bail!("no thread store");
+                                    }
                                     .boxed()
-                            })
-                            .unwrap_or_else(|_| async { Err(anyhow!("no thread store")) }.boxed()),
-                        SerializedRecentEntry::Context(id) => context_store
-                            .update(cx, |context_store, cx| {
-                                context_store
-                                    .open_local_context(Path::new(&id).into(), cx)
-                                    .map_ok(RecentEntry::Context)
+                                }),
+                            SerializedRecentEntry::Context(id) => context_store
+                                .update(cx, |context_store, cx| {
+                                    context_store
+                                        .open_local_context(Path::new(&id).into(), cx)
+                                        .map_ok(RecentEntry::Context)
+                                        .boxed()
+                                })
+                                .unwrap_or_else(|_| {
+                                    async {
+                                        anyhow::bail!("no context store");
+                                    }
                                     .boxed()
-                            })
-                            .unwrap_or_else(|_| async { Err(anyhow!("no context store")) }.boxed()),
-                    });
-                let entries = join_all(entries)
-                    .await
-                    .into_iter()
-                    .filter_map(|result| result.log_err())
-                    .collect::<VecDeque<_>>();
+                                }),
+                        });
+                    let entries = join_all(entries)
+                        .await
+                        .into_iter()
+                        .filter_map(|result| result.log_err())
+                        .collect::<VecDeque<_>>();
 
-                this.update(cx, |this, _| {
-                    this.recently_opened_entries.extend(entries);
-                    this.recently_opened_entries
-                        .truncate(MAX_RECENTLY_OPENED_ENTRIES);
-                })
-                .ok();
+                    this.update(cx, |this, _| {
+                        this.recently_opened_entries.extend(entries);
+                        this.recently_opened_entries
+                            .truncate(MAX_RECENTLY_OPENED_ENTRIES);
+                    })
+                    .ok();
 
-                anyhow::Ok(())
-            }
-        })
-        .detach_and_log_err(cx);
+                    Some(())
+                }
+            })
+            .detach();
 
         Self {
             thread_store,
@@ -163,7 +191,10 @@ impl HistoryStore {
             history_entries.push(HistoryEntry::Thread(thread));
         }
 
-        for context in self.context_store.update(cx, |this, _cx| this.contexts()) {
+        for context in self
+            .context_store
+            .update(cx, |this, _cx| this.reverse_chronological_contexts())
+        {
             history_entries.push(HistoryEntry::Context(context));
         }
 

crates/agent/src/inline_assistant.rs

@@ -8,16 +8,16 @@ use anyhow::{Context as _, Result};
 use assistant_settings::AssistantSettings;
 use client::telemetry::Telemetry;
 use collections::{HashMap, HashSet, VecDeque, hash_map};
+use editor::display_map::EditorMargins;
 use editor::{
     Anchor, AnchorRangeExt, CodeActionProvider, Editor, EditorEvent, ExcerptId, ExcerptRange,
-    GutterDimensions, MultiBuffer, MultiBufferSnapshot, ToOffset as _, ToPoint,
+    MultiBuffer, MultiBufferSnapshot, ToOffset as _, ToPoint,
     actions::SelectAll,
     display_map::{
         BlockContext, BlockPlacement, BlockProperties, BlockStyle, CustomBlockId, RenderBlock,
         ToDisplayPoint,
     },
 };
-use feature_flags::{Assistant2FeatureFlag, FeatureFlagViewExt as _};
 use fs::Fs;
 use gpui::{
     App, Context, Entity, Focusable, Global, HighlightStyle, Subscription, Task, UpdateGlobal,
@@ -43,11 +43,12 @@ use util::ResultExt;
 use workspace::{ItemHandle, Toast, Workspace, dock::Panel, notifications::NotificationId};
 use zed_actions::agent::OpenConfiguration;
 
-use crate::AssistantPanel;
+use crate::AgentPanel;
 use crate::buffer_codegen::{BufferCodegen, CodegenAlternative, CodegenEvent};
 use crate::context_store::ContextStore;
 use crate::inline_prompt_editor::{CodegenStatus, InlineAssistId, PromptEditor, PromptEditorEvent};
 use crate::terminal_inline_assistant::TerminalInlineAssistant;
+use crate::thread_store::TextThreadStore;
 use crate::thread_store::ThreadStore;
 
 pub fn init(
@@ -65,15 +66,6 @@ pub fn init(
         InlineAssistant::update_global(cx, |inline_assistant, cx| {
             inline_assistant.register_workspace(&workspace, window, cx)
         });
-
-        cx.observe_flag::<Assistant2FeatureFlag, _>(window, {
-            |is_assistant2_enabled, _workspace, _window, cx| {
-                InlineAssistant::update_global(cx, |inline_assistant, _cx| {
-                    inline_assistant.is_assistant2_enabled = is_assistant2_enabled;
-                });
-            }
-        })
-        .detach();
     })
     .detach();
 }
@@ -96,7 +88,6 @@ pub struct InlineAssistant {
     prompt_builder: Arc<PromptBuilder>,
     telemetry: Arc<Telemetry>,
     fs: Arc<dyn Fs>,
-    is_assistant2_enabled: bool,
 }
 
 impl Global for InlineAssistant {}
@@ -118,7 +109,6 @@ impl InlineAssistant {
             prompt_builder,
             telemetry,
             fs,
-            is_assistant2_enabled: false,
         }
     }
 
@@ -187,21 +177,24 @@ impl InlineAssistant {
         window: &mut Window,
         cx: &mut App,
     ) {
-        let is_assistant2_enabled = self.is_assistant2_enabled;
+        let is_assistant2_enabled = true;
 
         if let Some(editor) = item.act_as::<Editor>(cx) {
             editor.update(cx, |editor, cx| {
                 if is_assistant2_enabled {
-                    let thread_store = workspace
-                        .read(cx)
-                        .panel::<AssistantPanel>(cx)
-                        .map(|assistant_panel| assistant_panel.read(cx).thread_store().downgrade());
+                    let panel = workspace.read(cx).panel::<AgentPanel>(cx);
+                    let thread_store = panel
+                        .as_ref()
+                        .map(|agent_panel| agent_panel.read(cx).thread_store().downgrade());
+                    let text_thread_store = panel
+                        .map(|agent_panel| agent_panel.read(cx).text_thread_store().downgrade());
 
                     editor.add_code_action_provider(
                         Rc::new(AssistantCodeActionProvider {
                             editor: cx.entity().downgrade(),
                             workspace: workspace.downgrade(),
                             thread_store,
+                            text_thread_store,
                         }),
                         window,
                         cx,
@@ -222,7 +215,7 @@ impl InlineAssistant {
 
     pub fn inline_assist(
         workspace: &mut Workspace,
-        _action: &zed_actions::assistant::InlineAssist,
+        action: &zed_actions::assistant::InlineAssist,
         window: &mut Window,
         cx: &mut Context<Workspace>,
     ) {
@@ -233,7 +226,7 @@ impl InlineAssistant {
 
         let Some(inline_assist_target) = Self::resolve_inline_assist_target(
             workspace,
-            workspace.panel::<AssistantPanel>(cx),
+            workspace.panel::<AgentPanel>(cx),
             window,
             cx,
         ) else {
@@ -246,13 +239,15 @@ impl InlineAssistant {
                 .map_or(false, |model| model.provider.is_authenticated(cx))
         };
 
-        let assistant_panel = workspace
-            .panel::<AssistantPanel>(cx)
-            .map(|assistant_panel| assistant_panel.read(cx));
-        let prompt_store = assistant_panel
-            .and_then(|assistant_panel| assistant_panel.prompt_store().as_ref().cloned());
-        let thread_store =
-            assistant_panel.map(|assistant_panel| assistant_panel.thread_store().downgrade());
+        let Some(agent_panel) = workspace.panel::<AgentPanel>(cx) else {
+            return;
+        };
+        let agent_panel = agent_panel.read(cx);
+
+        let prompt_store = agent_panel.prompt_store().as_ref().cloned();
+        let thread_store = Some(agent_panel.thread_store().downgrade());
+        let text_thread_store = Some(agent_panel.text_thread_store().downgrade());
+        let context_store = agent_panel.inline_assist_context_store().clone();
 
         let handle_assist =
             |window: &mut Window, cx: &mut Context<Workspace>| match inline_assist_target {
@@ -261,9 +256,12 @@ impl InlineAssistant {
                         assistant.assist(
                             &active_editor,
                             cx.entity().downgrade(),
+                            context_store,
                             workspace.project().downgrade(),
                             prompt_store,
                             thread_store,
+                            text_thread_store,
+                            action.prompt.clone(),
                             window,
                             cx,
                         )
@@ -277,6 +275,8 @@ impl InlineAssistant {
                             workspace.project().downgrade(),
                             prompt_store,
                             thread_store,
+                            text_thread_store,
+                            action.prompt.clone(),
                             window,
                             cx,
                         )
@@ -329,19 +329,36 @@ impl InlineAssistant {
         &mut self,
         editor: &Entity<Editor>,
         workspace: WeakEntity<Workspace>,
+        context_store: Entity<ContextStore>,
         project: WeakEntity<Project>,
         prompt_store: Option<Entity<PromptStore>>,
         thread_store: Option<WeakEntity<ThreadStore>>,
+        text_thread_store: Option<WeakEntity<TextThreadStore>>,
+        initial_prompt: Option<String>,
         window: &mut Window,
         cx: &mut App,
     ) {
-        let (snapshot, initial_selections) = editor.update(cx, |editor, cx| {
-            (
-                editor.snapshot(window, cx),
-                editor.selections.all::<Point>(cx),
-            )
+        let (snapshot, initial_selections, newest_selection) = editor.update(cx, |editor, cx| {
+            let selections = editor.selections.all::<Point>(cx);
+            let newest_selection = editor.selections.newest::<Point>(cx);
+            (editor.snapshot(window, cx), selections, newest_selection)
         });
 
+        // Check if there is already an inline assistant that contains the
+        // newest selection, if there is, focus it
+        if let Some(editor_assists) = self.assists_by_editor.get(&editor.downgrade()) {
+            for assist_id in &editor_assists.assist_ids {
+                let assist = &self.assists[assist_id];
+                let range = assist.range.to_point(&snapshot.buffer_snapshot);
+                if range.start.row <= newest_selection.start.row
+                    && newest_selection.end.row <= range.end.row
+                {
+                    self.focus_assist(*assist_id, window, cx);
+                    return;
+                }
+            }
+        }
+
         let mut selections = Vec::<Selection<Point>>::new();
         let mut newest_selection = None;
         for mut selection in initial_selections {
@@ -430,15 +447,17 @@ impl InlineAssistant {
         }
 
         let assist_group_id = self.next_assist_group_id.post_inc();
-        let prompt_buffer =
-            cx.new(|cx| MultiBuffer::singleton(cx.new(|cx| Buffer::local(String::new(), cx)), cx));
+        let prompt_buffer = cx.new(|cx| {
+            MultiBuffer::singleton(
+                cx.new(|cx| Buffer::local(initial_prompt.unwrap_or_default(), cx)),
+                cx,
+            )
+        });
 
         let mut assists = Vec::new();
         let mut assist_to_focus = None;
         for range in codegen_ranges {
             let assist_id = self.next_assist_id.post_inc();
-            let context_store =
-                cx.new(|_cx| ContextStore::new(project.clone(), thread_store.clone()));
             let codegen = cx.new(|cx| {
                 BufferCodegen::new(
                     editor.read(cx).buffer().clone(),
@@ -453,18 +472,19 @@ impl InlineAssistant {
                 )
             });
 
-            let gutter_dimensions = Arc::new(Mutex::new(GutterDimensions::default()));
+            let editor_margins = Arc::new(Mutex::new(EditorMargins::default()));
             let prompt_editor = cx.new(|cx| {
                 PromptEditor::new_buffer(
                     assist_id,
-                    gutter_dimensions.clone(),
+                    editor_margins,
                     self.prompt_history.clone(),
                     prompt_buffer.clone(),
                     codegen.clone(),
                     self.fs.clone(),
-                    context_store,
+                    context_store.clone(),
                     workspace.clone(),
                     thread_store.clone(),
+                    text_thread_store.clone(),
                     window,
                     cx,
                 )
@@ -537,6 +557,7 @@ impl InlineAssistant {
         workspace: Entity<Workspace>,
         prompt_store: Option<Entity<PromptStore>>,
         thread_store: Option<WeakEntity<ThreadStore>>,
+        text_thread_store: Option<WeakEntity<TextThreadStore>>,
         window: &mut Window,
         cx: &mut App,
     ) -> InlineAssistId {
@@ -570,11 +591,11 @@ impl InlineAssistant {
             )
         });
 
-        let gutter_dimensions = Arc::new(Mutex::new(GutterDimensions::default()));
+        let editor_margins = Arc::new(Mutex::new(EditorMargins::default()));
         let prompt_editor = cx.new(|cx| {
             PromptEditor::new_buffer(
                 assist_id,
-                gutter_dimensions.clone(),
+                editor_margins,
                 self.prompt_history.clone(),
                 prompt_buffer.clone(),
                 codegen.clone(),
@@ -582,6 +603,7 @@ impl InlineAssistant {
                 context_store,
                 workspace.downgrade(),
                 thread_store,
+                text_thread_store,
                 window,
                 cx,
             )
@@ -642,6 +664,7 @@ impl InlineAssistant {
                 height: Some(prompt_editor_height),
                 render: build_assist_editor_renderer(prompt_editor),
                 priority: 0,
+                render_in_minimap: false,
             },
             BlockProperties {
                 style: BlockStyle::Sticky,
@@ -656,6 +679,7 @@ impl InlineAssistant {
                         .into_any_element()
                 }),
                 priority: 0,
+                render_in_minimap: false,
             },
         ];
 
@@ -1199,6 +1223,7 @@ impl InlineAssistant {
     ) -> Vec<InlineAssistId> {
         let assist_group = self.assist_groups.get_mut(&assist_group_id).unwrap();
         assist_group.linked = false;
+
         for assist_id in &assist_group.assist_ids {
             let assist = self.assists.get_mut(assist_id).unwrap();
             if let Some(editor_decorations) = assist.decorations.as_ref() {
@@ -1396,11 +1421,11 @@ impl InlineAssistant {
 
                     enum DeletedLines {}
                     let mut editor = Editor::for_multibuffer(multi_buffer, None, window, cx);
+                    editor.disable_scrollbars_and_minimap(window, cx);
                     editor.set_soft_wrap_mode(language::language_settings::SoftWrap::None, cx);
                     editor.set_show_wrap_guides(false, cx);
                     editor.set_show_gutter(false, cx);
                     editor.scroll_manager.set_forbid_vertical_scroll(true);
-                    editor.set_show_scrollbars(false, cx);
                     editor.set_read_only(true);
                     editor.set_show_edit_predictions(Some(false), window, cx);
                     editor.highlight_rows::<DeletedLines>(
@@ -1424,11 +1449,12 @@ impl InlineAssistant {
                             .bg(cx.theme().status().deleted_background)
                             .size_full()
                             .h(height as f32 * cx.window.line_height())
-                            .pl(cx.gutter_dimensions.full_width())
+                            .pl(cx.margins.gutter.full_width())
                             .child(deleted_lines_editor.clone())
                             .into_any_element()
                     }),
                     priority: 0,
+                    render_in_minimap: false,
                 });
             }
 
@@ -1441,7 +1467,7 @@ impl InlineAssistant {
 
     fn resolve_inline_assist_target(
         workspace: &mut Workspace,
-        assistant_panel: Option<Entity<AssistantPanel>>,
+        agent_panel: Option<Entity<AgentPanel>>,
         window: &mut Window,
         cx: &mut App,
     ) -> Option<InlineAssistTarget> {
@@ -1461,7 +1487,7 @@ impl InlineAssistant {
             }
         }
 
-        let context_editor = assistant_panel
+        let context_editor = agent_panel
             .and_then(|panel| panel.read(cx).active_context_editor())
             .and_then(|editor| {
                 let editor = &editor.read(cx).editor().clone();
@@ -1586,9 +1612,9 @@ fn build_assist_editor_renderer(editor: &Entity<PromptEditor<BufferCodegen>>) ->
     let editor = editor.clone();
 
     Arc::new(move |cx: &mut BlockContext| {
-        let gutter_dimensions = editor.read(cx).gutter_dimensions();
+        let editor_margins = editor.read(cx).editor_margins();
 
-        *gutter_dimensions.lock() = *cx.gutter_dimensions;
+        *editor_margins.lock() = *cx.margins;
         editor.clone().into_any_element()
     })
 }
@@ -1728,6 +1754,7 @@ struct AssistantCodeActionProvider {
     editor: WeakEntity<Editor>,
     workspace: WeakEntity<Workspace>,
     thread_store: Option<WeakEntity<ThreadStore>>,
+    text_thread_store: Option<WeakEntity<TextThreadStore>>,
 }
 
 const ASSISTANT_CODE_ACTION_PROVIDER_ID: &str = "assistant2";
@@ -1802,6 +1829,7 @@ impl CodeActionProvider for AssistantCodeActionProvider {
         let editor = self.editor.clone();
         let workspace = self.workspace.clone();
         let thread_store = self.thread_store.clone();
+        let text_thread_store = self.text_thread_store.clone();
         let prompt_store = PromptStore::global(cx);
         window.spawn(cx, async move |cx| {
             let workspace = workspace.upgrade().context("workspace was released")?;
@@ -1854,6 +1882,7 @@ impl CodeActionProvider for AssistantCodeActionProvider {
                     workspace,
                     prompt_store,
                     thread_store,
+                    text_thread_store,
                     window,
                     cx,
                 );

crates/agent/src/inline_prompt_editor.rs

@@ -1,16 +1,21 @@
-use crate::assistant_model_selector::{AssistantModelSelector, ModelType};
+use crate::agent_model_selector::{AgentModelSelector, ModelType};
 use crate::buffer_codegen::BufferCodegen;
-use crate::context_picker::ContextPicker;
+use crate::context::ContextCreasesAddon;
+use crate::context_picker::{ContextPicker, ContextPickerCompletionProvider};
 use crate::context_store::ContextStore;
 use crate::context_strip::{ContextStrip, ContextStripEvent, SuggestContextKind};
+use crate::message_editor::{extract_message_creases, insert_message_creases};
 use crate::terminal_codegen::TerminalCodegen;
-use crate::thread_store::ThreadStore;
+use crate::thread_store::{TextThreadStore, ThreadStore};
 use crate::{CycleNextInlineAssist, CyclePreviousInlineAssist};
 use crate::{RemoveAllContext, ToggleContextPicker};
+use assistant_context_editor::language_model_selector::ToggleModelSelector;
 use client::ErrorExt;
 use collections::VecDeque;
+use db::kvp::Dismissable;
+use editor::display_map::EditorMargins;
 use editor::{
-    Editor, EditorElement, EditorEvent, EditorMode, EditorStyle, GutterDimensions, MultiBuffer,
+    ContextMenuOptions, Editor, EditorElement, EditorEvent, EditorMode, EditorStyle, MultiBuffer,
     actions::{MoveDown, MoveUp},
 };
 use feature_flags::{FeatureFlagAppExt as _, ZedProFeatureFlag};
@@ -20,7 +25,6 @@ use gpui::{
     Focusable, FontWeight, Subscription, TextStyle, WeakEntity, Window, anchored, deferred, point,
 };
 use language_model::{LanguageModel, LanguageModelRegistry};
-use language_model_selector::ToggleModelSelector;
 use parking_lot::Mutex;
 use settings::Settings;
 use std::cmp;
@@ -30,7 +34,6 @@ use ui::utils::WithRemSize;
 use ui::{
     CheckboxWithLabel, IconButtonShape, KeyBinding, Popover, PopoverMenuHandle, Tooltip, prelude::*,
 };
-use util::ResultExt;
 use workspace::Workspace;
 
 pub struct PromptEditor<T> {
@@ -39,7 +42,7 @@ pub struct PromptEditor<T> {
     context_store: Entity<ContextStore>,
     context_strip: Entity<ContextStrip>,
     context_picker_menu_handle: PopoverMenuHandle<ContextPicker>,
-    model_selector: Entity<AssistantModelSelector>,
+    model_selector: Entity<AgentModelSelector>,
     edited_since_done: bool,
     prompt_history: VecDeque<String>,
     prompt_history_ix: Option<usize>,
@@ -58,11 +61,13 @@ impl<T: 'static> Render for PromptEditor<T> {
         let ui_font_size = ThemeSettings::get_global(cx).ui_font_size(cx);
         let mut buttons = Vec::new();
 
-        let left_gutter_width = match &self.mode {
+        const RIGHT_PADDING: Pixels = px(9.);
+
+        let (left_gutter_width, right_padding) = match &self.mode {
             PromptEditorMode::Buffer {
                 id: _,
                 codegen,
-                gutter_dimensions,
+                editor_margins,
             } => {
                 let codegen = codegen.read(cx);
 
@@ -70,13 +75,17 @@ impl<T: 'static> Render for PromptEditor<T> {
                     buttons.push(self.render_cycle_controls(&codegen, cx));
                 }
 
-                let gutter_dimensions = gutter_dimensions.lock();
+                let editor_margins = editor_margins.lock();
+                let gutter = editor_margins.gutter;
 
-                gutter_dimensions.full_width() + (gutter_dimensions.margin / 2.0)
+                let left_gutter_width = gutter.full_width() + (gutter.margin / 2.0);
+                let right_padding = editor_margins.right + RIGHT_PADDING;
+
+                (left_gutter_width, right_padding)
             }
             PromptEditorMode::Terminal { .. } => {
                 // Give the equivalent of the same left-padding that we're using on the right
-                Pixels::from(40.0)
+                (Pixels::from(40.0), Pixels::from(24.))
             }
         };
 
@@ -97,7 +106,7 @@ impl<T: 'static> Render for PromptEditor<T> {
             .size_full()
             .pt_0p5()
             .pb(bottom_padding)
-            .pr_6()
+            .pr(right_padding)
             .child(
                 h_flex()
                     .items_start()
@@ -245,13 +254,22 @@ impl<T: 'static> PromptEditor<T> {
 
     pub fn unlink(&mut self, window: &mut Window, cx: &mut Context<Self>) {
         let prompt = self.prompt(cx);
+        let existing_creases = self.editor.update(cx, extract_message_creases);
+
         let focus = self.editor.focus_handle(cx).contains_focused(window, cx);
         self.editor = cx.new(|cx| {
             let mut editor = Editor::auto_height(Self::MAX_LINES as usize, window, cx);
             editor.set_soft_wrap_mode(language::language_settings::SoftWrap::EditorWidth, cx);
-            editor.set_placeholder_text(Self::placeholder_text(&self.mode, window, cx), cx);
             editor.set_placeholder_text("Add a prompt…", cx);
             editor.set_text(prompt, window, cx);
+            insert_message_creases(
+                &mut editor,
+                &existing_creases,
+                &self.context_store,
+                window,
+                cx,
+            );
+
             if focus {
                 window.focus(&editor.focus_handle(cx));
             }
@@ -272,12 +290,12 @@ impl<T: 'static> PromptEditor<T> {
             PromptEditorMode::Terminal { .. } => "Generate",
         };
 
-        let assistant_panel_keybinding =
+        let agent_panel_keybinding =
             ui::text_for_action(&zed_actions::assistant::ToggleFocus, window, cx)
                 .map(|keybinding| format!("{keybinding} to chat ― "))
                 .unwrap_or_default();
 
-        format!("{action}… ({assistant_panel_keybinding}↓↑ for history)")
+        format!("{action}… ({agent_panel_keybinding}↓↑ for history)")
     }
 
     pub fn prompt(&self, cx: &App) -> String {
@@ -433,7 +451,7 @@ impl<T: 'static> PromptEditor<T> {
                     editor.move_to_end(&Default::default(), window, cx)
                 });
             }
-        } else {
+        } else if self.context_strip.read(cx).has_context_items(cx) {
             self.context_strip.focus_handle(cx).focus(window);
         }
     }
@@ -704,7 +722,7 @@ impl<T: 'static> PromptEditor<T> {
                         .child(CheckboxWithLabel::new(
                             "dont-show-again",
                             Label::new("Don't show again"),
-                            if dismissed_rate_limit_notice() {
+                            if RateLimitNotice::dismissed() {
                                 ui::ToggleState::Selected
                             } else {
                                 ui::ToggleState::Unselected
@@ -716,7 +734,7 @@ impl<T: 'static> PromptEditor<T> {
                                     ui::ToggleState::Selected => true,
                                 };
 
-                                set_rate_limit_notice_dismissed(is_dismissed, cx)
+                                RateLimitNotice::set_dismissed(is_dismissed, cx);
                             },
                         ))
                         .child(
@@ -794,7 +812,7 @@ pub enum PromptEditorMode {
     Buffer {
         id: InlineAssistId,
         codegen: Entity<BufferCodegen>,
-        gutter_dimensions: Arc<Mutex<GutterDimensions>>,
+        editor_margins: Arc<Mutex<EditorMargins>>,
     },
     Terminal {
         id: TerminalInlineAssistId,
@@ -826,7 +844,7 @@ impl InlineAssistId {
 impl PromptEditor<BufferCodegen> {
     pub fn new_buffer(
         id: InlineAssistId,
-        gutter_dimensions: Arc<Mutex<GutterDimensions>>,
+        editor_margins: Arc<Mutex<EditorMargins>>,
         prompt_history: VecDeque<String>,
         prompt_buffer: Entity<MultiBuffer>,
         codegen: Entity<BufferCodegen>,
@@ -834,14 +852,16 @@ impl PromptEditor<BufferCodegen> {
         context_store: Entity<ContextStore>,
         workspace: WeakEntity<Workspace>,
         thread_store: Option<WeakEntity<ThreadStore>>,
+        text_thread_store: Option<WeakEntity<TextThreadStore>>,
         window: &mut Window,
         cx: &mut Context<PromptEditor<BufferCodegen>>,
     ) -> PromptEditor<BufferCodegen> {
         let codegen_subscription = cx.observe(&codegen, Self::handle_codegen_changed);
+        let codegen_buffer = codegen.read(cx).buffer(cx).read(cx).as_singleton();
         let mode = PromptEditorMode::Buffer {
             id,
             codegen,
-            gutter_dimensions,
+            editor_margins,
         };
 
         let prompt_editor = cx.new(|cx| {
@@ -860,8 +880,28 @@ impl PromptEditor<BufferCodegen> {
             // typing in one will make what you typed appear in all of them.
             editor.set_show_cursor_when_unfocused(true, cx);
             editor.set_placeholder_text(Self::placeholder_text(&mode, window, cx), cx);
+            editor.register_addon(ContextCreasesAddon::new());
+            editor.set_context_menu_options(ContextMenuOptions {
+                min_entries_visible: 12,
+                max_entries_visible: 12,
+                placement: None,
+            });
+
             editor
         });
+
+        let prompt_editor_entity = prompt_editor.downgrade();
+        prompt_editor.update(cx, |editor, _| {
+            editor.set_completion_provider(Some(Box::new(ContextPickerCompletionProvider::new(
+                workspace.clone(),
+                context_store.downgrade(),
+                thread_store.clone(),
+                text_thread_store.clone(),
+                prompt_editor_entity,
+                codegen_buffer.as_ref().map(Entity::downgrade),
+            ))));
+        });
+
         let context_picker_menu_handle = PopoverMenuHandle::default();
         let model_selector_menu_handle = PopoverMenuHandle::default();
 
@@ -870,6 +910,7 @@ impl PromptEditor<BufferCodegen> {
                 context_store.clone(),
                 workspace.clone(),
                 thread_store.clone(),
+                text_thread_store.clone(),
                 context_picker_menu_handle.clone(),
                 SuggestContextKind::Thread,
                 window,
@@ -886,7 +927,7 @@ impl PromptEditor<BufferCodegen> {
             context_strip,
             context_picker_menu_handle,
             model_selector: cx.new(|cx| {
-                AssistantModelSelector::new(
+                AgentModelSelector::new(
                     fs,
                     model_selector_menu_handle,
                     prompt_editor.focus_handle(cx),
@@ -933,7 +974,7 @@ impl PromptEditor<BufferCodegen> {
             CodegenStatus::Error(error) => {
                 if cx.has_flag::<ZedProFeatureFlag>()
                     && error.error_code() == proto::ErrorCode::RateLimitExceeded
-                    && !dismissed_rate_limit_notice()
+                    && !RateLimitNotice::dismissed()
                 {
                     self.show_rate_limit_notice = true;
                     cx.notify();
@@ -960,11 +1001,9 @@ impl PromptEditor<BufferCodegen> {
         }
     }
 
-    pub fn gutter_dimensions(&self) -> &Arc<Mutex<GutterDimensions>> {
+    pub fn editor_margins(&self) -> &Arc<Mutex<EditorMargins>> {
         match &self.mode {
-            PromptEditorMode::Buffer {
-                gutter_dimensions, ..
-            } => gutter_dimensions,
+            PromptEditorMode::Buffer { editor_margins, .. } => editor_margins,
             PromptEditorMode::Terminal { .. } => unreachable!(),
         }
     }
@@ -991,6 +1030,7 @@ impl PromptEditor<TerminalCodegen> {
         context_store: Entity<ContextStore>,
         workspace: WeakEntity<Workspace>,
         thread_store: Option<WeakEntity<ThreadStore>>,
+        text_thread_store: Option<WeakEntity<TextThreadStore>>,
         window: &mut Window,
         cx: &mut Context<Self>,
     ) -> Self {
@@ -1013,8 +1053,26 @@ impl PromptEditor<TerminalCodegen> {
             );
             editor.set_soft_wrap_mode(language::language_settings::SoftWrap::EditorWidth, cx);
             editor.set_placeholder_text(Self::placeholder_text(&mode, window, cx), cx);
+            editor.set_context_menu_options(ContextMenuOptions {
+                min_entries_visible: 12,
+                max_entries_visible: 12,
+                placement: None,
+            });
             editor
         });
+
+        let prompt_editor_entity = prompt_editor.downgrade();
+        prompt_editor.update(cx, |editor, _| {
+            editor.set_completion_provider(Some(Box::new(ContextPickerCompletionProvider::new(
+                workspace.clone(),
+                context_store.downgrade(),
+                thread_store.clone(),
+                text_thread_store.clone(),
+                prompt_editor_entity,
+                None,
+            ))));
+        });
+
         let context_picker_menu_handle = PopoverMenuHandle::default();
         let model_selector_menu_handle = PopoverMenuHandle::default();
 
@@ -1023,6 +1081,7 @@ impl PromptEditor<TerminalCodegen> {
                 context_store.clone(),
                 workspace.clone(),
                 thread_store.clone(),
+                text_thread_store.clone(),
                 context_picker_menu_handle.clone(),
                 SuggestContextKind::Thread,
                 window,
@@ -1039,7 +1098,7 @@ impl PromptEditor<TerminalCodegen> {
             context_strip,
             context_picker_menu_handle,
             model_selector: cx.new(|cx| {
-                AssistantModelSelector::new(
+                AgentModelSelector::new(
                     fs,
                     model_selector_menu_handle.clone(),
                     prompt_editor.focus_handle(cx),
@@ -1121,27 +1180,10 @@ impl PromptEditor<TerminalCodegen> {
     }
 }
 
-const DISMISSED_RATE_LIMIT_NOTICE_KEY: &str = "dismissed-rate-limit-notice";
+struct RateLimitNotice;
 
-fn dismissed_rate_limit_notice() -> bool {
-    db::kvp::KEY_VALUE_STORE
-        .read_kvp(DISMISSED_RATE_LIMIT_NOTICE_KEY)
-        .log_err()
-        .map_or(false, |s| s.is_some())
-}
-
-fn set_rate_limit_notice_dismissed(is_dismissed: bool, cx: &mut App) {
-    db::write_and_log(cx, move || async move {
-        if is_dismissed {
-            db::kvp::KEY_VALUE_STORE
-                .write_kvp(DISMISSED_RATE_LIMIT_NOTICE_KEY.into(), "1".into())
-                .await
-        } else {
-            db::kvp::KEY_VALUE_STORE
-                .delete_kvp(DISMISSED_RATE_LIMIT_NOTICE_KEY.into())
-                .await
-        }
-    })
+impl Dismissable for RateLimitNotice {
+    const KEY: &'static str = "dismissed-rate-limit-notice";
 }
 
 pub enum CodegenStatus {

crates/agent/src/message_editor.rs

@@ -1,18 +1,23 @@
 use std::collections::BTreeMap;
 use std::sync::Arc;
 
-use crate::assistant_model_selector::{AssistantModelSelector, ModelType};
-use crate::context::{ContextLoadResult, load_context};
+use crate::agent_model_selector::{AgentModelSelector, ModelType};
+use crate::context::{AgentContextKey, ContextCreasesAddon, ContextLoadResult, load_context};
 use crate::tool_compatibility::{IncompatibleToolsState, IncompatibleToolsTooltip};
-use crate::ui::{AgentPreview, AnimatedLabel};
+use crate::ui::{
+    AnimatedLabel, MaxModeTooltip,
+    preview::{AgentPreview, UsageCallout},
+};
+use assistant_context_editor::language_model_selector::ToggleModelSelector;
+use assistant_settings::{AssistantSettings, CompletionMode};
 use buffer_diff::BufferDiff;
-use collections::HashSet;
+use client::UserStore;
+use collections::{HashMap, HashSet};
 use editor::actions::{MoveUp, Paste};
 use editor::{
-    ContextMenuOptions, ContextMenuPlacement, Editor, EditorElement, EditorEvent, EditorMode,
-    EditorStyle, MultiBuffer,
+    AnchorRangeExt, ContextMenuOptions, ContextMenuPlacement, Editor, EditorElement, EditorEvent,
+    EditorMode, EditorStyle, MultiBuffer,
 };
-use feature_flags::{FeatureFlagAppExt, NewBillingFeatureFlag};
 use file_icons::FileIcons;
 use fs::Fs;
 use futures::future::Shared;
@@ -22,28 +27,30 @@ use gpui::{
     Task, TextStyle, WeakEntity, linear_color_stop, linear_gradient, point, pulsating_between,
 };
 use language::{Buffer, Language};
-use language_model::{ConfiguredModel, LanguageModelRequestMessage, MessageContent};
-use language_model_selector::ToggleModelSelector;
+use language_model::{
+    ConfiguredModel, LanguageModelRequestMessage, MessageContent, RequestUsage,
+    ZED_CLOUD_PROVIDER_ID,
+};
 use multi_buffer;
 use project::Project;
 use prompt_store::PromptStore;
+use proto::Plan;
 use settings::Settings;
 use std::time::Duration;
 use theme::ThemeSettings;
 use ui::{Disclosure, KeyBinding, PopoverMenuHandle, Tooltip, prelude::*};
-use util::ResultExt as _;
-use workspace::Workspace;
-use zed_llm_client::CompletionMode;
+use util::{ResultExt as _, maybe};
+use workspace::{CollaboratorId, Workspace};
 
-use crate::context_picker::{ContextPicker, ContextPickerCompletionProvider};
+use crate::context_picker::{ContextPicker, ContextPickerCompletionProvider, crease_for_mention};
 use crate::context_store::ContextStore;
 use crate::context_strip::{ContextStrip, ContextStripEvent, SuggestContextKind};
 use crate::profile_selector::ProfileSelector;
-use crate::thread::{Thread, TokenUsageRatio};
-use crate::thread_store::ThreadStore;
+use crate::thread::{MessageCrease, Thread, TokenUsageRatio};
+use crate::thread_store::{TextThreadStore, ThreadStore};
 use crate::{
-    ActiveThread, AgentDiff, Chat, ExpandMessageEditor, NewThread, OpenAgentDiff, RemoveAllContext,
-    ToggleContextPicker, ToggleProfileSelector, register_agent_preview,
+    ActiveThread, AgentDiffPane, Chat, ExpandMessageEditor, Follow, NewThread, OpenAgentDiff,
+    RemoveAllContext, ToggleContextPicker, ToggleProfileSelector, register_agent_preview,
 };
 
 #[derive(RegisterComponent)]
@@ -53,11 +60,12 @@ pub struct MessageEditor {
     editor: Entity<Editor>,
     workspace: WeakEntity<Workspace>,
     project: Entity<Project>,
+    user_store: Entity<UserStore>,
     context_store: Entity<ContextStore>,
     prompt_store: Option<Entity<PromptStore>>,
     context_strip: Entity<ContextStrip>,
     context_picker_menu_handle: PopoverMenuHandle<ContextPicker>,
-    model_selector: Entity<AssistantModelSelector>,
+    model_selector: Entity<AgentModelSelector>,
     last_loaded_context: Option<ContextLoadResult>,
     load_context_task: Option<Shared<Task<()>>>,
     profile_selector: Entity<ProfileSelector>,
@@ -74,6 +82,7 @@ pub(crate) fn create_editor(
     workspace: WeakEntity<Workspace>,
     context_store: WeakEntity<ContextStore>,
     thread_store: WeakEntity<ThreadStore>,
+    text_thread_store: WeakEntity<TextThreadStore>,
     window: &mut Window,
     cx: &mut App,
 ) -> Entity<Editor> {
@@ -97,7 +106,7 @@ pub(crate) fn create_editor(
             window,
             cx,
         );
-        editor.set_placeholder_text("Ask anything, @ to mention, ↑ to select", cx);
+        editor.set_placeholder_text("Message the agent – @ to include context", cx);
         editor.set_show_indent_guides(false, cx);
         editor.set_soft_wrap();
         editor.set_context_menu_options(ContextMenuOptions {
@@ -105,6 +114,7 @@ pub(crate) fn create_editor(
             max_entries_visible: 12,
             placement: Some(ContextMenuPlacement::Above),
         });
+        editor.register_addon(ContextCreasesAddon::new());
         editor
     });
 
@@ -114,7 +124,9 @@ pub(crate) fn create_editor(
             workspace,
             context_store,
             Some(thread_store),
+            Some(text_thread_store),
             editor_entity,
+            None,
         ))));
     });
     editor
@@ -124,9 +136,11 @@ impl MessageEditor {
     pub fn new(
         fs: Arc<dyn Fs>,
         workspace: WeakEntity<Workspace>,
+        user_store: Entity<UserStore>,
         context_store: Entity<ContextStore>,
         prompt_store: Option<Entity<PromptStore>>,
         thread_store: WeakEntity<ThreadStore>,
+        text_thread_store: WeakEntity<TextThreadStore>,
         thread: Entity<Thread>,
         window: &mut Window,
         cx: &mut Context<Self>,
@@ -138,6 +152,7 @@ impl MessageEditor {
             workspace.clone(),
             context_store.downgrade(),
             thread_store.clone(),
+            text_thread_store.clone(),
             window,
             cx,
         );
@@ -147,6 +162,7 @@ impl MessageEditor {
                 context_store.clone(),
                 workspace.clone(),
                 Some(thread_store.clone()),
+                Some(text_thread_store.clone()),
                 context_picker_menu_handle.clone(),
                 SuggestContextKind::File,
                 window,
@@ -167,10 +183,13 @@ impl MessageEditor {
                 // When context changes, reload it for token counting.
                 let _ = this.reload_context(cx);
             }),
+            cx.observe(&thread.read(cx).action_log().clone(), |_, _, cx| {
+                cx.notify()
+            }),
         ];
 
         let model_selector = cx.new(|cx| {
-            AssistantModelSelector::new(
+            AgentModelSelector::new(
                 fs.clone(),
                 model_selector_menu_handle,
                 editor.focus_handle(cx),
@@ -180,9 +199,20 @@ impl MessageEditor {
             )
         });
 
+        let profile_selector = cx.new(|cx| {
+            ProfileSelector::new(
+                fs,
+                thread.clone(),
+                thread_store,
+                editor.focus_handle(cx),
+                cx,
+            )
+        });
+
         Self {
             editor: editor.clone(),
             project: thread.read(cx).project().clone(),
+            user_store,
             thread,
             incompatible_tools_state: incompatible_tools.clone(),
             workspace,
@@ -195,8 +225,7 @@ impl MessageEditor {
             model_selector,
             edits_expanded: false,
             editor_is_expanded: false,
-            profile_selector: cx
-                .new(|cx| ProfileSelector::new(fs, thread_store, editor.focus_handle(cx), cx)),
+            profile_selector,
             last_estimated_token_count: None,
             update_token_count_task: None,
             _subscriptions: subscriptions,
@@ -277,6 +306,10 @@ impl MessageEditor {
         self.editor.read(cx).text(cx).trim().is_empty()
     }
 
+    pub fn is_editor_fully_empty(&self, cx: &App) -> bool {
+        self.editor.read(cx).is_empty(cx)
+    }
+
     fn send_to_model(&mut self, window: &mut Window, cx: &mut Context<Self>) {
         let Some(ConfiguredModel { model, provider }) = self
             .thread
@@ -290,10 +323,11 @@ impl MessageEditor {
             return;
         }
 
-        let user_message = self.editor.update(cx, |editor, cx| {
+        let (user_message, user_message_creases) = self.editor.update(cx, |editor, cx| {
+            let creases = extract_message_creases(editor, cx);
             let text = editor.text(cx);
             editor.clear(window, cx);
-            text
+            (text, creases)
         });
 
         self.last_estimated_token_count.take();
@@ -311,7 +345,13 @@ impl MessageEditor {
 
             thread
                 .update(cx, |thread, cx| {
-                    thread.insert_user_message(user_message, loaded_context, checkpoint.ok(), cx);
+                    thread.insert_user_message(
+                        user_message,
+                        loaded_context,
+                        checkpoint.ok(),
+                        user_message_creases,
+                        cx,
+                    );
                 })
                 .log_err();
 
@@ -361,7 +401,7 @@ impl MessageEditor {
     fn move_up(&mut self, _: &MoveUp, window: &mut Window, cx: &mut Context<Self>) {
         if self.context_picker_menu_handle.is_deployed() {
             cx.propagate();
-        } else {
+        } else if self.context_strip.read(cx).has_context_items(cx) {
             self.context_strip.focus_handle(cx).focus(window);
         }
     }
@@ -396,7 +436,7 @@ impl MessageEditor {
 
     fn handle_review_click(&mut self, window: &mut Window, cx: &mut Context<Self>) {
         self.edits_expanded = true;
-        AgentDiff::deploy(self.thread.clone(), self.workspace.clone(), window, cx).log_err();
+        AgentDiffPane::deploy(self.thread.clone(), self.workspace.clone(), window, cx).log_err();
         cx.notify();
     }
 
@@ -406,7 +446,8 @@ impl MessageEditor {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        if let Ok(diff) = AgentDiff::deploy(self.thread.clone(), self.workspace.clone(), window, cx)
+        if let Ok(diff) =
+            AgentDiffPane::deploy(self.thread.clone(), self.workspace.clone(), window, cx)
         {
             let path_key = multi_buffer::PathKey::for_buffer(&buffer, cx);
             diff.update(cx, |diff, cx| diff.move_to_path(path_key, window, cx));
@@ -414,10 +455,6 @@ impl MessageEditor {
     }
 
     fn render_max_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
-        if !cx.has_flag::<NewBillingFeatureFlag>() {
-            return None;
-        }
-
         let thread = self.thread.read(cx);
         let model = thread.configured_model();
         if !model?.model.supports_max_mode() {
@@ -425,12 +462,17 @@ impl MessageEditor {
         }
 
         let active_completion_mode = thread.completion_mode();
+        let max_mode_enabled = active_completion_mode == CompletionMode::Max;
 
         Some(
-            IconButton::new("max-mode", IconName::ZedMaxMode)
+            Button::new("max-mode", "Max Mode")
+                .label_size(LabelSize::Small)
+                .color(Color::Muted)
+                .icon(IconName::ZedMaxMode)
                 .icon_size(IconSize::Small)
                 .icon_color(Color::Muted)
-                .toggle_state(active_completion_mode == CompletionMode::Max)
+                .icon_position(IconPosition::Start)
+                .toggle_state(max_mode_enabled)
                 .on_click(cx.listener(move |this, _event, _window, cx| {
                     this.thread.update(cx, |thread, _cx| {
                         thread.set_completion_mode(match active_completion_mode {
@@ -439,18 +481,54 @@ impl MessageEditor {
                         });
                     });
                 }))
-                .tooltip(Tooltip::text("Toggle Max Mode"))
+                .tooltip(move |_window, cx| {
+                    cx.new(|_| MaxModeTooltip::new().selected(max_mode_enabled))
+                        .into()
+                })
                 .into_any_element(),
         )
     }
 
-    fn render_editor(
-        &self,
-        font_size: Rems,
-        line_height: Pixels,
-        window: &mut Window,
-        cx: &mut Context<Self>,
-    ) -> Div {
+    fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
+        let following = self
+            .workspace
+            .read_with(cx, |workspace, _| {
+                workspace.is_being_followed(CollaboratorId::Agent)
+            })
+            .unwrap_or(false);
+
+        IconButton::new("follow-agent", IconName::Crosshair)
+            .icon_size(IconSize::Small)
+            .icon_color(Color::Muted)
+            .toggle_state(following)
+            .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
+            .tooltip(move |window, cx| {
+                if following {
+                    Tooltip::for_action("Stop Following Agent", &Follow, window, cx)
+                } else {
+                    Tooltip::with_meta(
+                        "Follow Agent",
+                        Some(&Follow),
+                        "Track the agent's location as it reads and edits files.",
+                        window,
+                        cx,
+                    )
+                }
+            })
+            .on_click(cx.listener(move |this, _, window, cx| {
+                this.workspace
+                    .update(cx, |workspace, cx| {
+                        if following {
+                            workspace.unfollow(CollaboratorId::Agent, window, cx);
+                        } else {
+                            workspace.follow(CollaboratorId::Agent, window, cx);
+                        }
+                    })
+                    .ok();
+            }))
+    }
+
+    fn render_editor(&self, window: &mut Window, cx: &mut Context<Self>) -> Div {
         let thread = self.thread.read(cx);
         let model = thread.configured_model();
 
@@ -509,34 +587,39 @@ impl MessageEditor {
                     .items_start()
                     .justify_between()
                     .child(self.context_strip.clone())
-                    .when(focus_handle.is_focused(window), |this| {
-                        this.child(
-                            IconButton::new("toggle-height", expand_icon)
-                                .icon_size(IconSize::XSmall)
-                                .icon_color(Color::Muted)
-                                .tooltip({
-                                    let focus_handle = focus_handle.clone();
-                                    move |window, cx| {
-                                        let expand_label = if is_editor_expanded {
-                                            "Minimize Message Editor".to_string()
-                                        } else {
-                                            "Expand Message Editor".to_string()
-                                        };
+                    .child(
+                        h_flex()
+                            .gap_1()
+                            .when(focus_handle.is_focused(window), |this| {
+                                this.child(
+                                    IconButton::new("toggle-height", expand_icon)
+                                        .icon_size(IconSize::XSmall)
+                                        .icon_color(Color::Muted)
+                                        .tooltip({
+                                            let focus_handle = focus_handle.clone();
+                                            move |window, cx| {
+                                                let expand_label = if is_editor_expanded {
+                                                    "Minimize Message Editor".to_string()
+                                                } else {
+                                                    "Expand Message Editor".to_string()
+                                                };
 
-                                        Tooltip::for_action_in(
-                                            expand_label,
-                                            &ExpandMessageEditor,
-                                            &focus_handle,
-                                            window,
-                                            cx,
-                                        )
-                                    }
-                                })
-                                .on_click(cx.listener(|_, _, window, cx| {
-                                    window.dispatch_action(Box::new(ExpandMessageEditor), cx);
-                                })),
-                        )
-                    }),
+                                                Tooltip::for_action_in(
+                                                    expand_label,
+                                                    &ExpandMessageEditor,
+                                                    &focus_handle,
+                                                    window,
+                                                    cx,
+                                                )
+                                            }
+                                        })
+                                        .on_click(cx.listener(|_, _, window, cx| {
+                                            window
+                                                .dispatch_action(Box::new(ExpandMessageEditor), cx);
+                                        })),
+                                )
+                            }),
+                    ),
             )
             .child(
                 v_flex()
@@ -546,11 +629,15 @@ impl MessageEditor {
                         this.h(vh(0.8, window)).justify_between()
                     })
                     .child(
-                        div()
+                        v_flex()
                             .min_h_16()
                             .when(is_editor_expanded, |this| this.h_full())
                             .child({
                                 let settings = ThemeSettings::get_global(cx);
+                                let font_size = TextSize::Small
+                                    .rems(cx)
+                                    .to_pixels(settings.agent_font_size(cx));
+                                let line_height = settings.buffer_line_height.value() * font_size;
 
                                 let text_style = TextStyle {
                                     color: cx.theme().colors().text,
@@ -579,7 +666,12 @@ impl MessageEditor {
                         h_flex()
                             .flex_none()
                             .justify_between()
-                            .child(h_flex().gap_2().child(self.profile_selector.clone()))
+                            .child(
+                                h_flex()
+                                    .gap_1()
+                                    .child(self.render_follow_toggle(cx))
+                                    .children(self.render_max_mode_toggle(cx)),
+                            )
                             .child(
                                 h_flex()
                                     .gap_1()
@@ -602,7 +694,7 @@ impl MessageEditor {
                                             }),
                                         )
                                     })
-                                    .children(self.render_max_mode_toggle(cx))
+                                    .child(self.profile_selector.clone())
                                     .child(self.model_selector.clone())
                                     .map({
                                         let focus_handle = focus_handle.clone();
@@ -968,79 +1060,100 @@ impl MessageEditor {
             })
     }
 
+    fn render_usage_callout(&self, line_height: Pixels, cx: &mut Context<Self>) -> Option<Div> {
+        let is_using_zed_provider = self
+            .thread
+            .read(cx)
+            .configured_model()
+            .map_or(false, |model| {
+                model.provider.id().0 == ZED_CLOUD_PROVIDER_ID
+            });
+        if !is_using_zed_provider {
+            return None;
+        }
+
+        let user_store = self.user_store.read(cx);
+
+        let ubb_enable = user_store
+            .usage_based_billing_enabled()
+            .map_or(false, |enabled| enabled);
+
+        if ubb_enable {
+            return None;
+        }
+
+        let plan = user_store
+            .current_plan()
+            .map(|plan| match plan {
+                Plan::Free => zed_llm_client::Plan::ZedFree,
+                Plan::ZedPro => zed_llm_client::Plan::ZedPro,
+                Plan::ZedProTrial => zed_llm_client::Plan::ZedProTrial,
+            })
+            .unwrap_or(zed_llm_client::Plan::ZedFree);
+        let usage = self.thread.read(cx).last_usage().or_else(|| {
+            maybe!({
+                let amount = user_store.model_request_usage_amount()?;
+                let limit = user_store.model_request_usage_limit()?.variant?;
+
+                Some(RequestUsage {
+                    amount: amount as i32,
+                    limit: match limit {
+                        proto::usage_limit::Variant::Limited(limited) => {
+                            zed_llm_client::UsageLimit::Limited(limited.limit as i32)
+                        }
+                        proto::usage_limit::Variant::Unlimited(_) => {
+                            zed_llm_client::UsageLimit::Unlimited
+                        }
+                    },
+                })
+            })
+        })?;
+
+        Some(
+            div()
+                .child(UsageCallout::new(plan, usage))
+                .line_height(line_height),
+        )
+    }
+
     fn render_token_limit_callout(
         &self,
         line_height: Pixels,
         token_usage_ratio: TokenUsageRatio,
         cx: &mut Context<Self>,
-    ) -> Div {
-        let heading = if token_usage_ratio == TokenUsageRatio::Exceeded {
+    ) -> Option<Div> {
+        let title = if token_usage_ratio == TokenUsageRatio::Exceeded {
             "Thread reached the token limit"
         } else {
             "Thread reaching the token limit soon"
         };
 
-        h_flex()
-            .p_2()
-            .gap_2()
-            .flex_wrap()
-            .justify_between()
-            .bg(
-                if token_usage_ratio == TokenUsageRatio::Exceeded {
-                    cx.theme().status().error_background.opacity(0.1)
-                } else {
-                    cx.theme().status().warning_background.opacity(0.1)
-                })
-            .border_t_1()
-            .border_color(cx.theme().colors().border)
-            .child(
-                h_flex()
-                    .gap_2()
-                    .items_start()
-                    .child(
-                        h_flex()
-                            .h(line_height)
-                            .justify_center()
-                            .child(
-                                if token_usage_ratio == TokenUsageRatio::Exceeded {
-                                    Icon::new(IconName::X)
-                                        .color(Color::Error)
-                                        .size(IconSize::XSmall)
-                                } else {
-                                    Icon::new(IconName::Warning)
-                                        .color(Color::Warning)
-                                        .size(IconSize::XSmall)
-                                }
-                            ),
-                    )
-                    .child(
-                        v_flex()
-                            .mr_auto()
-                            .child(Label::new(heading).size(LabelSize::Small))
-                            .child(
-                                Label::new(
-                                    "Start a new thread from a summary to continue the conversation.",
-                                )
-                                .size(LabelSize::Small)
-                                .color(Color::Muted),
-                            ),
-                    ),
-            )
-            .child(
-                Button::new("new-thread", "Start New Thread")
-                    .on_click(cx.listener(|this, _, window, cx| {
-                        let from_thread_id = Some(this.thread.read(cx).id().clone());
+        let message = "Start a new thread from a summary to continue the conversation.";
 
-                        window.dispatch_action(Box::new(NewThread {
-                            from_thread_id
-                        }), cx);
-                    }))
-                    .icon(IconName::Plus)
-                    .icon_position(IconPosition::Start)
-                    .icon_size(IconSize::Small)
-                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
-                    .label_size(LabelSize::Small),
-            )
+        let icon = if token_usage_ratio == TokenUsageRatio::Exceeded {
+            Icon::new(IconName::X)
+                .color(Color::Error)
+                .size(IconSize::XSmall)
+        } else {
+            Icon::new(IconName::Warning)
+                .color(Color::Warning)
+                .size(IconSize::XSmall)
+        };
+
+        Some(
+            div()
+                .child(ui::Callout::multi_line(
+                    title,
+                    message,
+                    icon,
+                    "Start New Thread",
+                    Box::new(cx.listener(|this, _, window, cx| {
+                        let from_thread_id = Some(this.thread.read(cx).id().clone());
+                        window.dispatch_action(Box::new(NewThread { from_thread_id }), cx);
+                    })),
+                ))
+                .line_height(line_height),
+        )
     }
 
     pub fn last_estimated_token_count(&self) -> Option<usize> {
@@ -1138,8 +1251,9 @@ impl MessageEditor {
                         mode: None,
                         messages: vec![request_message],
                         tools: vec![],
+                        tool_choice: None,
                         stop: vec![],
-                        temperature: None,
+                        temperature: AssistantSettings::temperature_for_model(&model.model, cx),
                     };
 
                     Some(model.model.count_tokens(request, cx))
@@ -1164,6 +1278,53 @@ impl MessageEditor {
     }
 }
 
+pub fn extract_message_creases(
+    editor: &mut Editor,
+    cx: &mut Context<'_, Editor>,
+) -> Vec<MessageCrease> {
+    let buffer_snapshot = editor.buffer().read(cx).snapshot(cx);
+    let mut contexts_by_crease_id = editor
+        .addon_mut::<ContextCreasesAddon>()
+        .map(std::mem::take)
+        .unwrap_or_default()
+        .into_inner()
+        .into_iter()
+        .flat_map(|(key, creases)| {
+            let context = key.0;
+            creases
+                .into_iter()
+                .map(move |(id, _)| (id, context.clone()))
+        })
+        .collect::<HashMap<_, _>>();
+    // Filter the addon's list of creases based on what the editor reports,
+    // since the addon might have removed creases in it.
+    let creases = editor.display_map.update(cx, |display_map, cx| {
+        display_map
+            .snapshot(cx)
+            .crease_snapshot
+            .creases()
+            .filter_map(|(id, crease)| {
+                Some((
+                    id,
+                    (
+                        crease.range().to_offset(&buffer_snapshot),
+                        crease.metadata()?.clone(),
+                    ),
+                ))
+            })
+            .map(|(id, (range, metadata))| {
+                let context = contexts_by_crease_id.remove(&id);
+                MessageCrease {
+                    range,
+                    metadata,
+                    context,
+                }
+            })
+            .collect()
+    });
+    creases
+}
+
 impl EventEmitter<MessageEditorEvent> for MessageEditor {}
 
 pub enum MessageEditorEvent {
@@ -1189,48 +1350,104 @@ impl Render for MessageEditor {
         let action_log = self.thread.read(cx).action_log();
         let changed_buffers = action_log.read(cx).changed_buffers(cx);
 
-        let font_size = TextSize::Small.rems(cx);
-        let line_height = font_size.to_pixels(window.rem_size()) * 1.5;
+        let line_height = TextSize::Small.rems(cx).to_pixels(window.rem_size()) * 1.5;
 
         v_flex()
             .size_full()
             .when(changed_buffers.len() > 0, |parent| {
                 parent.child(self.render_changed_buffers(&changed_buffers, window, cx))
             })
-            .child(self.render_editor(font_size, line_height, window, cx))
-            .when(token_usage_ratio != TokenUsageRatio::Normal, |parent| {
-                parent.child(self.render_token_limit_callout(line_height, token_usage_ratio, cx))
+            .child(self.render_editor(window, cx))
+            .children({
+                let usage_callout = self.render_usage_callout(line_height, cx);
+
+                if usage_callout.is_some() {
+                    usage_callout
+                } else if token_usage_ratio != TokenUsageRatio::Normal {
+                    self.render_token_limit_callout(line_height, token_usage_ratio, cx)
+                } else {
+                    None
+                }
             })
     }
 }
 
+pub fn insert_message_creases(
+    editor: &mut Editor,
+    message_creases: &[MessageCrease],
+    context_store: &Entity<ContextStore>,
+    window: &mut Window,
+    cx: &mut Context<'_, Editor>,
+) {
+    let buffer_snapshot = editor.buffer().read(cx).snapshot(cx);
+    let creases = message_creases
+        .iter()
+        .map(|crease| {
+            let start = buffer_snapshot.anchor_after(crease.range.start);
+            let end = buffer_snapshot.anchor_before(crease.range.end);
+            crease_for_mention(
+                crease.metadata.label.clone(),
+                crease.metadata.icon_path.clone(),
+                start..end,
+                cx.weak_entity(),
+            )
+        })
+        .collect::<Vec<_>>();
+    let ids = editor.insert_creases(creases.clone(), cx);
+    editor.fold_creases(creases, false, window, cx);
+    if let Some(addon) = editor.addon_mut::<ContextCreasesAddon>() {
+        for (crease, id) in message_creases.iter().zip(ids) {
+            if let Some(context) = crease.context.as_ref() {
+                let key = AgentContextKey(context.clone());
+                addon.add_creases(
+                    context_store,
+                    key,
+                    vec![(id, crease.metadata.label.clone())],
+                    cx,
+                );
+            }
+        }
+    }
+}
 impl Component for MessageEditor {
     fn scope() -> ComponentScope {
         ComponentScope::Agent
     }
+
+    fn description() -> Option<&'static str> {
+        Some(
+            "The composer experience of the Agent Panel. This interface handles context, composing messages, switching profiles, models and more.",
+        )
+    }
 }
 
 impl AgentPreview for MessageEditor {
     fn agent_preview(
         workspace: WeakEntity<Workspace>,
         active_thread: Entity<ActiveThread>,
-        thread_store: WeakEntity<ThreadStore>,
         window: &mut Window,
         cx: &mut App,
     ) -> Option<AnyElement> {
-        if let Some(workspace_entity) = workspace.upgrade() {
-            let fs = workspace_entity.read(cx).app_state().fs.clone();
-            let weak_project = workspace_entity.read(cx).project().clone().downgrade();
+        if let Some(workspace) = workspace.upgrade() {
+            let fs = workspace.read(cx).app_state().fs.clone();
+            let user_store = workspace.read(cx).app_state().user_store.clone();
+            let project = workspace.read(cx).project().clone();
+            let weak_project = project.downgrade();
             let context_store = cx.new(|_cx| ContextStore::new(weak_project, None));
-            let thread = active_thread.read(cx).thread().clone();
+            let active_thread = active_thread.read(cx);
+            let thread = active_thread.thread().clone();
+            let thread_store = active_thread.thread_store().clone();
+            let text_thread_store = active_thread.text_thread_store().clone();
 
-            let example_message_editor = cx.new(|cx| {
+            let default_message_editor = cx.new(|cx| {
                 MessageEditor::new(
                     fs,
-                    workspace,
+                    workspace.downgrade(),
+                    user_store,
                     context_store,
                     None,
-                    thread_store,
+                    thread_store.downgrade(),
+                    text_thread_store.downgrade(),
                     thread,
                     window,
                     cx,
@@ -1241,8 +1458,15 @@ impl AgentPreview for MessageEditor {
                 v_flex()
                     .gap_4()
                     .children(vec![single_example(
-                        "Default",
-                        example_message_editor.clone().into_any_element(),
+                        "Default Message Editor",
+                        div()
+                            .w(px(540.))
+                            .pt_12()
+                            .bg(cx.theme().colors().panel_background)
+                            .border_1()
+                            .border_color(cx.theme().colors().border)
+                            .child(default_message_editor.clone())
+                            .into_any_element(),
                     )])
                     .into_any_element(),
             )

crates/agent/src/profile_selector.rs

@@ -1,31 +1,35 @@
 use std::sync::Arc;
 
-use assistant_settings::{AgentProfile, AgentProfileId, AssistantSettings};
+use assistant_settings::{
+    AgentProfile, AgentProfileId, AssistantDockPosition, AssistantSettings, GroupedAgentProfiles,
+    builtin_profiles,
+};
 use fs::Fs;
 use gpui::{Action, Entity, FocusHandle, Subscription, WeakEntity, prelude::*};
-use indexmap::IndexMap;
 use language_model::LanguageModelRegistry;
 use settings::{Settings as _, SettingsStore, update_settings_file};
 use ui::{
-    ButtonLike, ContextMenu, ContextMenuEntry, KeyBinding, PopoverMenu, PopoverMenuHandle, Tooltip,
+    ContextMenu, ContextMenuEntry, DocumentationSide, PopoverMenu, PopoverMenuHandle, Tooltip,
     prelude::*,
 };
 use util::ResultExt as _;
 
-use crate::{ManageProfiles, ThreadStore, ToggleProfileSelector};
+use crate::{ManageProfiles, Thread, ThreadStore, ToggleProfileSelector};
 
 pub struct ProfileSelector {
-    profiles: IndexMap<AgentProfileId, AgentProfile>,
+    profiles: GroupedAgentProfiles,
     fs: Arc<dyn Fs>,
+    thread: Entity<Thread>,
     thread_store: WeakEntity<ThreadStore>,
-    focus_handle: FocusHandle,
     menu_handle: PopoverMenuHandle<ContextMenu>,
+    focus_handle: FocusHandle,
     _subscriptions: Vec<Subscription>,
 }
 
 impl ProfileSelector {
     pub fn new(
         fs: Arc<dyn Fs>,
+        thread: Entity<Thread>,
         thread_store: WeakEntity<ThreadStore>,
         focus_handle: FocusHandle,
         cx: &mut Context<Self>,
@@ -34,17 +38,15 @@ impl ProfileSelector {
             this.refresh_profiles(cx);
         });
 
-        let mut this = Self {
-            profiles: IndexMap::default(),
+        Self {
+            profiles: GroupedAgentProfiles::from_settings(AssistantSettings::get_global(cx)),
             fs,
+            thread,
             thread_store,
-            focus_handle,
             menu_handle: PopoverMenuHandle::default(),
+            focus_handle,
             _subscriptions: vec![settings_subscription],
-        };
-        this.refresh_profiles(cx);
-
-        this
+        }
     }
 
     pub fn menu_handle(&self) -> PopoverMenuHandle<ContextMenu> {
@@ -52,9 +54,7 @@ impl ProfileSelector {
     }
 
     fn refresh_profiles(&mut self, cx: &mut Context<Self>) {
-        let settings = AssistantSettings::get_global(cx);
-
-        self.profiles = settings.profiles.clone();
+        self.profiles = GroupedAgentProfiles::from_settings(AssistantSettings::get_global(cx));
     }
 
     fn build_context_menu(
@@ -64,58 +64,26 @@ impl ProfileSelector {
     ) -> Entity<ContextMenu> {
         ContextMenu::build(window, cx, |mut menu, _window, cx| {
             let settings = AssistantSettings::get_global(cx);
-            let icon_position = IconPosition::End;
-
-            menu = menu.header("Profiles");
-            for (profile_id, profile) in self.profiles.clone() {
-                let documentation = match profile.name.to_lowercase().as_str() {
-                    "write" => Some("Get help to write anything."),
-                    "ask" => Some("Chat about your codebase."),
-                    "manual" => Some("Chat about anything; no tools."),
-                    _ => None,
-                };
-
-                let entry = ContextMenuEntry::new(profile.name.clone())
-                    .toggleable(icon_position, profile_id == settings.default_profile);
-
-                let entry = if let Some(doc_text) = documentation {
-                    entry.documentation_aside(move |_| Label::new(doc_text).into_any_element())
-                } else {
-                    entry
-                };
-
-                menu = menu.item(entry.handler({
-                    let fs = self.fs.clone();
-                    let thread_store = self.thread_store.clone();
-                    let profile_id = profile_id.clone();
-                    move |_window, cx| {
-                        update_settings_file::<AssistantSettings>(fs.clone(), cx, {
-                            let profile_id = profile_id.clone();
-                            move |settings, _cx| {
-                                settings.set_profile(profile_id.clone());
-                            }
-                        });
-
-                        thread_store
-                            .update(cx, |this, cx| {
-                                this.load_profile_by_id(profile_id.clone(), cx);
-                            })
-                            .log_err();
-                    }
-                }));
+            for (profile_id, profile) in self.profiles.builtin.iter() {
+                menu = menu.item(self.menu_entry_for_profile(
+                    profile_id.clone(),
+                    profile,
+                    settings,
+                    cx,
+                ));
             }
 
-            menu = menu.separator();
-            menu = menu.header("Customize Current Profile");
-            menu = menu.item(ContextMenuEntry::new("Tools…").handler({
-                let profile_id = settings.default_profile.clone();
-                move |window, cx| {
-                    window.dispatch_action(
-                        ManageProfiles::customize_tools(profile_id.clone()).boxed_clone(),
+            if !self.profiles.custom.is_empty() {
+                menu = menu.separator().header("Custom Profiles");
+                for (profile_id, profile) in self.profiles.custom.iter() {
+                    menu = menu.item(self.menu_entry_for_profile(
+                        profile_id.clone(),
+                        profile,
+                        settings,
                         cx,
-                    );
+                    ));
                 }
-            }));
+            }
 
             menu = menu.separator();
             menu = menu.item(ContextMenuEntry::new("Configure Profiles…").handler(
@@ -127,10 +95,56 @@ impl ProfileSelector {
             menu
         })
     }
+
+    fn menu_entry_for_profile(
+        &self,
+        profile_id: AgentProfileId,
+        profile: &AgentProfile,
+        settings: &AssistantSettings,
+        _cx: &App,
+    ) -> ContextMenuEntry {
+        let documentation = match profile.name.to_lowercase().as_str() {
+            builtin_profiles::WRITE => Some("Get help to write anything."),
+            builtin_profiles::ASK => Some("Chat about your codebase."),
+            builtin_profiles::MINIMAL => Some("Chat about anything with no tools."),
+            _ => None,
+        };
+
+        let entry = ContextMenuEntry::new(profile.name.clone())
+            .toggleable(IconPosition::End, profile_id == settings.default_profile);
+
+        let entry = if let Some(doc_text) = documentation {
+            entry.documentation_aside(documentation_side(settings.dock), move |_| {
+                Label::new(doc_text).into_any_element()
+            })
+        } else {
+            entry
+        };
+
+        entry.handler({
+            let fs = self.fs.clone();
+            let thread_store = self.thread_store.clone();
+            let profile_id = profile_id.clone();
+            move |_window, cx| {
+                update_settings_file::<AssistantSettings>(fs.clone(), cx, {
+                    let profile_id = profile_id.clone();
+                    move |settings, _cx| {
+                        settings.set_profile(profile_id.clone());
+                    }
+                });
+
+                thread_store
+                    .update(cx, |this, cx| {
+                        this.load_profile_by_id(profile_id.clone(), cx);
+                    })
+                    .log_err();
+            }
+        })
+    }
 }
 
 impl Render for ProfileSelector {
-    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
         let settings = AssistantSettings::get_global(cx);
         let profile_id = &settings.default_profile;
         let profile = settings.profiles.get(profile_id);
@@ -139,63 +153,67 @@ impl Render for ProfileSelector {
             .map(|profile| profile.name.clone())
             .unwrap_or_else(|| "Unknown".into());
 
-        let model_registry = LanguageModelRegistry::read_global(cx);
-        let supports_tools = model_registry
-            .default_model()
-            .map_or(false, |default| default.model.supports_tools());
+        let configured_model = self
+            .thread
+            .read_with(cx, |thread, _cx| thread.configured_model())
+            .or_else(|| {
+                let model_registry = LanguageModelRegistry::read_global(cx);
+                model_registry.default_model()
+            });
+        let supports_tools =
+            configured_model.map_or(false, |default| default.model.supports_tools());
 
-        let icon = match profile_id.as_str() {
-            "write" => IconName::Pencil,
-            "ask" => IconName::MessageBubbles,
-            _ => IconName::UserRoundPen,
-        };
+        if supports_tools {
+            let this = cx.entity().clone();
+            let focus_handle = self.focus_handle.clone();
+            let trigger_button = Button::new("profile-selector-model", selected_profile)
+                .label_size(LabelSize::Small)
+                .color(Color::Muted)
+                .icon(IconName::ChevronDown)
+                .icon_size(IconSize::XSmall)
+                .icon_position(IconPosition::End)
+                .icon_color(Color::Muted);
 
-        let this = cx.entity().clone();
-        let focus_handle = self.focus_handle.clone();
-
-        PopoverMenu::new("profile-selector")
-            .menu(move |window, cx| {
-                Some(this.update(cx, |this, cx| this.build_context_menu(window, cx)))
-            })
-            .trigger(if supports_tools {
-                ButtonLike::new("profile-selector-button").child(
-                    h_flex()
-                        .gap_1()
-                        .child(Icon::new(icon).size(IconSize::XSmall).color(Color::Muted))
-                        .child(
-                            Label::new(selected_profile)
-                                .size(LabelSize::Small)
-                                .color(Color::Muted),
+            PopoverMenu::new("profile-selector")
+                .trigger_with_tooltip(trigger_button, {
+                    let focus_handle = focus_handle.clone();
+                    move |window, cx| {
+                        Tooltip::for_action_in(
+                            "Toggle Profile Menu",
+                            &ToggleProfileSelector,
+                            &focus_handle,
+                            window,
+                            cx,
                         )
-                        .child(
-                            Icon::new(IconName::ChevronDown)
-                                .size(IconSize::XSmall)
-                                .color(Color::Muted),
-                        )
-                        .child(div().opacity(0.5).children({
-                            let focus_handle = focus_handle.clone();
-                            KeyBinding::for_action_in(
-                                &ToggleProfileSelector,
-                                &focus_handle,
-                                window,
-                                cx,
-                            )
-                            .map(|kb| kb.size(rems_from_px(10.)))
-                        })),
+                    }
+                })
+                .anchor(
+                    if documentation_side(settings.dock) == DocumentationSide::Left {
+                        gpui::Corner::BottomRight
+                    } else {
+                        gpui::Corner::BottomLeft
+                    },
                 )
-            } else {
-                ButtonLike::new("tools-not-supported-button")
-                    .disabled(true)
-                    .child(
-                        h_flex().gap_1().child(
-                            Label::new("No Tools")
-                                .size(LabelSize::Small)
-                                .color(Color::Muted),
-                        ),
-                    )
-                    .tooltip(Tooltip::text("The current model does not support tools."))
-            })
-            .anchor(gpui::Corner::BottomRight)
-            .with_handle(self.menu_handle.clone())
+                .with_handle(self.menu_handle.clone())
+                .menu(move |window, cx| {
+                    Some(this.update(cx, |this, cx| this.build_context_menu(window, cx)))
+                })
+                .into_any_element()
+        } else {
+            Button::new("tools-not-supported-button", "Tools Unsupported")
+                .disabled(true)
+                .label_size(LabelSize::Small)
+                .color(Color::Muted)
+                .tooltip(Tooltip::text("This model does not support tools."))
+                .into_any_element()
+        }
+    }
+}
+
+fn documentation_side(position: AssistantDockPosition) -> DocumentationSide {
+    match position {
+        AssistantDockPosition::Left => DocumentationSide::Right,
+        AssistantDockPosition::Bottom => DocumentationSide::Left,
+        AssistantDockPosition::Right => DocumentationSide::Left,
     }
 }

crates/agent/src/terminal_inline_assistant.rs

@@ -4,8 +4,9 @@ use crate::inline_prompt_editor::{
     CodegenStatus, PromptEditor, PromptEditorEvent, TerminalInlineAssistId,
 };
 use crate::terminal_codegen::{CLEAR_INPUT, CodegenEvent, TerminalCodegen};
-use crate::thread_store::ThreadStore;
+use crate::thread_store::{TextThreadStore, ThreadStore};
 use anyhow::{Context as _, Result};
+use assistant_settings::AssistantSettings;
 use client::telemetry::Telemetry;
 use collections::{HashMap, VecDeque};
 use editor::{MultiBuffer, actions::SelectAll};
@@ -71,13 +72,19 @@ impl TerminalInlineAssistant {
         project: WeakEntity<Project>,
         prompt_store: Option<Entity<PromptStore>>,
         thread_store: Option<WeakEntity<ThreadStore>>,
+        text_thread_store: Option<WeakEntity<TextThreadStore>>,
+        initial_prompt: Option<String>,
         window: &mut Window,
         cx: &mut App,
     ) {
         let terminal = terminal_view.read(cx).terminal().clone();
         let assist_id = self.next_assist_id.post_inc();
-        let prompt_buffer =
-            cx.new(|cx| MultiBuffer::singleton(cx.new(|cx| Buffer::local(String::new(), cx)), cx));
+        let prompt_buffer = cx.new(|cx| {
+            MultiBuffer::singleton(
+                cx.new(|cx| Buffer::local(initial_prompt.unwrap_or_default(), cx)),
+                cx,
+            )
+        });
         let context_store = cx.new(|_cx| ContextStore::new(project, thread_store.clone()));
         let codegen = cx.new(|_| TerminalCodegen::new(terminal, self.telemetry.clone()));
 
@@ -91,6 +98,7 @@ impl TerminalInlineAssistant {
                 context_store.clone(),
                 workspace.clone(),
                 thread_store.clone(),
+                text_thread_store.clone(),
                 window,
                 cx,
             )
@@ -183,7 +191,7 @@ impl TerminalInlineAssistant {
         };
 
         self.prompt_history.retain(|prompt| *prompt != user_prompt);
-        self.prompt_history.push_back(user_prompt.clone());
+        self.prompt_history.push_back(user_prompt);
         if self.prompt_history.len() > PROMPT_HISTORY_MAX_LEN {
             self.prompt_history.pop_front();
         }
@@ -259,6 +267,12 @@ impl TerminalInlineAssistant {
             load_context(contexts, project, &assist.prompt_store, cx)
         })?;
 
+        let ConfiguredModel { model, .. } = LanguageModelRegistry::read_global(cx)
+            .inline_assistant_model()
+            .context("No inline assistant model")?;
+
+        let temperature = AssistantSettings::temperature_for_model(&model, cx);
+
         Ok(cx.background_spawn(async move {
             let mut request_message = LanguageModelRequestMessage {
                 role: Role::User,
@@ -279,8 +293,9 @@ impl TerminalInlineAssistant {
                 mode: None,
                 messages: vec![request_message],
                 tools: Vec::new(),
+                tool_choice: None,
                 stop: Vec::new(),
-                temperature: None,
+                temperature,
             }
         }))
     }

crates/agent/src/thread_store.rs

@@ -5,12 +5,11 @@ use std::rc::Rc;
 use std::sync::Arc;
 
 use anyhow::{Context as _, Result, anyhow};
-use assistant_settings::{AgentProfile, AgentProfileId, AssistantSettings};
+use assistant_settings::{AgentProfile, AgentProfileId, AssistantSettings, CompletionMode};
 use assistant_tool::{ToolId, ToolSource, ToolWorkingSet};
 use chrono::{DateTime, Utc};
 use collections::HashMap;
-use context_server::manager::{ContextServerManager, ContextServerStatus};
-use context_server::{ContextServerDescriptorRegistry, ContextServerTool};
+use context_server::ContextServerId;
 use futures::channel::{mpsc, oneshot};
 use futures::future::{self, BoxFuture, Shared};
 use futures::{FutureExt as _, StreamExt as _};
@@ -20,7 +19,8 @@ use gpui::{
 };
 use heed::Database;
 use heed::types::SerdeBincode;
-use language_model::{LanguageModelToolUseId, Role, TokenUsage};
+use language_model::{LanguageModelToolResultContent, LanguageModelToolUseId, Role, TokenUsage};
+use project::context_server_store::{ContextServerStatus, ContextServerStore};
 use project::{Project, ProjectItem, ProjectPath, Worktree};
 use prompt_store::{
     ProjectContext, PromptBuilder, PromptId, PromptStore, PromptsUpdatedEvent, RulesFileContext,
@@ -28,8 +28,10 @@ use prompt_store::{
 };
 use serde::{Deserialize, Serialize};
 use settings::{Settings as _, SettingsStore};
+use ui::Window;
 use util::ResultExt as _;
 
+use crate::context_server_tool::ContextServerTool;
 use crate::thread::{
     DetailedSummaryState, ExceededWindowError, MessageId, ProjectSnapshot, Thread, ThreadId,
 };
@@ -57,13 +59,14 @@ impl SharedProjectContext {
     }
 }
 
+pub type TextThreadStore = assistant_context_editor::ContextStore;
+
 pub struct ThreadStore {
     project: Entity<Project>,
     tools: Entity<ToolWorkingSet>,
     prompt_builder: Arc<PromptBuilder>,
     prompt_store: Option<Entity<PromptStore>>,
-    context_server_manager: Entity<ContextServerManager>,
-    context_server_tool_ids: HashMap<Arc<str>, Vec<ToolId>>,
+    context_server_tool_ids: HashMap<ContextServerId, Vec<ToolId>>,
     threads: Vec<SerializedThreadMetadata>,
     project_context: SharedProjectContext,
     reload_system_prompt_tx: mpsc::Sender<()>,
@@ -108,11 +111,6 @@ impl ThreadStore {
         prompt_store: Option<Entity<PromptStore>>,
         cx: &mut Context<Self>,
     ) -> (Self, oneshot::Receiver<()>) {
-        let context_server_factory_registry = ContextServerDescriptorRegistry::default_global(cx);
-        let context_server_manager = cx.new(|cx| {
-            ContextServerManager::new(context_server_factory_registry, project.clone(), cx)
-        });
-
         let mut subscriptions = vec![
             cx.observe_global::<SettingsStore>(move |this: &mut Self, cx| {
                 this.load_default_profile(cx);
@@ -159,7 +157,6 @@ impl ThreadStore {
             tools,
             prompt_builder,
             prompt_store,
-            context_server_manager,
             context_server_tool_ids: HashMap::default(),
             threads: Vec::new(),
             project_context: SharedProjectContext::default(),
@@ -354,10 +351,6 @@ impl ThreadStore {
         })
     }
 
-    pub fn context_server_manager(&self) -> Entity<ContextServerManager> {
-        self.context_server_manager.clone()
-    }
-
     pub fn prompt_store(&self) -> &Option<Entity<PromptStore>> {
         &self.prompt_store
     }
@@ -371,6 +364,10 @@ impl ThreadStore {
         self.threads.len()
     }
 
+    pub fn unordered_threads(&self) -> impl Iterator<Item = &SerializedThreadMetadata> {
+        self.threads.iter()
+    }
+
     pub fn reverse_chronological_threads(&self) -> Vec<SerializedThreadMetadata> {
         let mut threads = self.threads.iter().cloned().collect::<Vec<_>>();
         threads.sort_unstable_by_key(|thread| std::cmp::Reverse(thread.updated_at));
@@ -389,21 +386,42 @@ impl ThreadStore {
         })
     }
 
+    pub fn create_thread_from_serialized(
+        &mut self,
+        serialized: SerializedThread,
+        cx: &mut Context<Self>,
+    ) -> Entity<Thread> {
+        cx.new(|cx| {
+            Thread::deserialize(
+                ThreadId::new(),
+                serialized,
+                self.project.clone(),
+                self.tools.clone(),
+                self.prompt_builder.clone(),
+                self.project_context.clone(),
+                None,
+                cx,
+            )
+        })
+    }
+
     pub fn open_thread(
         &self,
         id: &ThreadId,
+        window: &mut Window,
         cx: &mut Context<Self>,
     ) -> Task<Result<Entity<Thread>>> {
         let id = id.clone();
         let database_future = ThreadsDatabase::global_future(cx);
-        cx.spawn(async move |this, cx| {
+        let this = cx.weak_entity();
+        window.spawn(cx, async move |cx| {
             let database = database_future.await.map_err(|err| anyhow!(err))?;
             let thread = database
                 .try_find_thread(id.clone())
                 .await?
-                .ok_or_else(|| anyhow!("no thread found with ID: {id:?}"))?;
+                .with_context(|| format!("no thread found with ID: {id:?}"))?;
 
-            let thread = this.update(cx, |this, cx| {
+            let thread = this.update_in(cx, |this, window, cx| {
                 cx.new(|cx| {
                     Thread::deserialize(
                         id.clone(),
@@ -412,6 +430,7 @@ impl ThreadStore {
                         this.tools.clone(),
                         this.prompt_builder.clone(),
                         this.project_context.clone(),
+                        Some(window),
                         cx,
                     )
                 })
@@ -486,51 +505,57 @@ impl ThreadStore {
                 ToolSource::Native,
                 &profile
                     .tools
-                    .iter()
-                    .filter_map(|(tool, enabled)| enabled.then(|| tool.clone()))
+                    .into_iter()
+                    .filter_map(|(tool, enabled)| enabled.then(|| tool))
                     .collect::<Vec<_>>(),
                 cx,
             );
         });
 
         if profile.enable_all_context_servers {
-            for context_server in self.context_server_manager.read(cx).all_servers() {
+            for context_server_id in self
+                .project
+                .read(cx)
+                .context_server_store()
+                .read(cx)
+                .all_server_ids()
+            {
                 self.tools.update(cx, |tools, cx| {
                     tools.enable_source(
                         ToolSource::ContextServer {
-                            id: context_server.id().into(),
+                            id: context_server_id.0.into(),
                         },
                         cx,
                     );
                 });
             }
             // Enable all the tools from all context servers, but disable the ones that are explicitly disabled
-            for (context_server_id, preset) in &profile.context_servers {
+            for (context_server_id, preset) in profile.context_servers {
                 self.tools.update(cx, |tools, cx| {
                     tools.disable(
                         ToolSource::ContextServer {
-                            id: context_server_id.clone().into(),
+                            id: context_server_id.into(),
                         },
                         &preset
                             .tools
-                            .iter()
-                            .filter_map(|(tool, enabled)| (!enabled).then(|| tool.clone()))
+                            .into_iter()
+                            .filter_map(|(tool, enabled)| (!enabled).then(|| tool))
                             .collect::<Vec<_>>(),
                         cx,
                     )
                 })
             }
         } else {
-            for (context_server_id, preset) in &profile.context_servers {
+            for (context_server_id, preset) in profile.context_servers {
                 self.tools.update(cx, |tools, cx| {
                     tools.enable(
                         ToolSource::ContextServer {
-                            id: context_server_id.clone().into(),
+                            id: context_server_id.into(),
                         },
                         &preset
                             .tools
-                            .iter()
-                            .filter_map(|(tool, enabled)| enabled.then(|| tool.clone()))
+                            .into_iter()
+                            .filter_map(|(tool, enabled)| enabled.then(|| tool))
                             .collect::<Vec<_>>(),
                         cx,
                     )
@@ -541,7 +566,7 @@ impl ThreadStore {
 
     fn register_context_server_handlers(&self, cx: &mut Context<Self>) {
         cx.subscribe(
-            &self.context_server_manager.clone(),
+            &self.project.read(cx).context_server_store(),
             Self::handle_context_server_event,
         )
         .detach();
@@ -549,18 +574,19 @@ impl ThreadStore {
 
     fn handle_context_server_event(
         &mut self,
-        context_server_manager: Entity<ContextServerManager>,
-        event: &context_server::manager::Event,
+        context_server_store: Entity<ContextServerStore>,
+        event: &project::context_server_store::Event,
         cx: &mut Context<Self>,
     ) {
         let tool_working_set = self.tools.clone();
         match event {
-            context_server::manager::Event::ServerStatusChanged { server_id, status } => {
+            project::context_server_store::Event::ServerStatusChanged { server_id, status } => {
                 match status {
-                    Some(ContextServerStatus::Running) => {
-                        if let Some(server) = context_server_manager.read(cx).get_server(server_id)
+                    ContextServerStatus::Running => {
+                        if let Some(server) =
+                            context_server_store.read(cx).get_running_server(server_id)
                         {
-                            let context_server_manager = context_server_manager.clone();
+                            let context_server_manager = context_server_store.clone();
                             cx.spawn({
                                 let server = server.clone();
                                 let server_id = server_id.clone();
@@ -608,7 +634,7 @@ impl ThreadStore {
                             .detach();
                         }
                     }
-                    None => {
+                    ContextServerStatus::Stopped | ContextServerStatus::Error(_) => {
                         if let Some(tool_ids) = self.context_server_tool_ids.remove(server_id) {
                             tool_working_set.update(cx, |tool_working_set, _| {
                                 tool_working_set.remove(&tool_ids);
@@ -648,6 +674,8 @@ pub struct SerializedThread {
     pub exceeded_window_error: Option<ExceededWindowError>,
     #[serde(default)]
     pub model: Option<SerializedLanguageModel>,
+    #[serde(default)]
+    pub completion_mode: Option<CompletionMode>,
 }
 
 #[derive(Serialize, Deserialize, Debug)]
@@ -671,20 +699,14 @@ impl SerializedThread {
                 SerializedThread::VERSION => Ok(serde_json::from_value::<SerializedThread>(
                     saved_thread_json,
                 )?),
-                _ => Err(anyhow!(
-                    "unrecognized serialized thread version: {}",
-                    version
-                )),
+                _ => anyhow::bail!("unrecognized serialized thread version: {version:?}"),
             },
             None => {
                 let saved_thread =
                     serde_json::from_value::<LegacySerializedThread>(saved_thread_json)?;
                 Ok(saved_thread.upgrade())
             }
-            version => Err(anyhow!(
-                "unrecognized serialized thread version: {:?}",
-                version
-            )),
+            version => anyhow::bail!("unrecognized serialized thread version: {version:?}"),
         }
     }
 }
@@ -733,6 +755,8 @@ pub struct SerializedMessage {
     pub tool_results: Vec<SerializedToolResult>,
     #[serde(default)]
     pub context: String,
+    #[serde(default)]
+    pub creases: Vec<SerializedCrease>,
 }
 
 #[derive(Debug, Serialize, Deserialize)]
@@ -764,7 +788,8 @@ pub struct SerializedToolUse {
 pub struct SerializedToolResult {
     pub tool_use_id: LanguageModelToolUseId,
     pub is_error: bool,
-    pub content: Arc<str>,
+    pub content: LanguageModelToolResultContent,
+    pub output: Option<serde_json::Value>,
 }
 
 #[derive(Serialize, Deserialize)]
@@ -789,6 +814,7 @@ impl LegacySerializedThread {
             detailed_summary_state: DetailedSummaryState::default(),
             exceeded_window_error: None,
             model: None,
+            completion_mode: None,
         }
     }
 }
@@ -813,10 +839,19 @@ impl LegacySerializedMessage {
             tool_uses: self.tool_uses,
             tool_results: self.tool_results,
             context: String::new(),
+            creases: Vec::new(),
         }
     }
 }
 
+#[derive(Debug, Serialize, Deserialize)]
+pub struct SerializedCrease {
+    pub start: usize,
+    pub end: usize,
+    pub icon_path: SharedString,
+    pub label: SharedString,
+}
+
 struct GlobalThreadsDatabase(
     Shared<BoxFuture<'static, Result<Arc<ThreadsDatabase>, Arc<anyhow::Error>>>>,
 );

crates/agent/src/tool_use.rs

@@ -1,16 +1,19 @@
 use std::sync::Arc;
 
 use anyhow::Result;
-use assistant_tool::{AnyToolCard, Tool, ToolUseStatus, ToolWorkingSet};
+use assistant_tool::{
+    AnyToolCard, Tool, ToolResultContent, ToolResultOutput, ToolUseStatus, ToolWorkingSet,
+};
 use collections::HashMap;
 use futures::FutureExt as _;
 use futures::future::Shared;
 use gpui::{App, Entity, SharedString, Task};
 use language_model::{
-    ConfiguredModel, LanguageModel, LanguageModelRequestMessage, LanguageModelToolResult,
-    LanguageModelToolUse, LanguageModelToolUseId, MessageContent, Role,
+    ConfiguredModel, LanguageModel, LanguageModelRequest, LanguageModelToolResult,
+    LanguageModelToolResultContent, LanguageModelToolUse, LanguageModelToolUseId, Role,
 };
-use ui::IconName;
+use project::Project;
+use ui::{IconName, Window};
 use util::truncate_lines_to_byte_limit;
 
 use crate::thread::{MessageId, PromptId, ThreadId};
@@ -51,12 +54,19 @@ impl ToolUseState {
     /// Constructs a [`ToolUseState`] from the given list of [`SerializedMessage`]s.
     ///
     /// Accepts a function to filter the tools that should be used to populate the state.
+    ///
+    /// If `window` is `None` (e.g., when in headless mode or when running evals),
+    /// tool cards won't be deserialized
     pub fn from_serialized_messages(
         tools: Entity<ToolWorkingSet>,
         messages: &[SerializedMessage],
+        project: Entity<Project>,
+        window: Option<&mut Window>, // None in headless mode
+        cx: &mut App,
     ) -> Self {
         let mut this = Self::new(tools);
         let mut tool_names_by_id = HashMap::default();
+        let mut window = window;
 
         for message in messages {
             match message.role {
@@ -93,12 +103,28 @@ impl ToolUseState {
                             this.tool_results.insert(
                                 tool_use_id.clone(),
                                 LanguageModelToolResult {
-                                    tool_use_id,
+                                    tool_use_id: tool_use_id.clone(),
                                     tool_name: tool_use.clone(),
                                     is_error: tool_result.is_error,
                                     content: tool_result.content.clone(),
+                                    output: tool_result.output.clone(),
                                 },
                             );
+
+                            if let Some(window) = &mut window {
+                                if let Some(tool) = this.tools.read(cx).tool(tool_use, cx) {
+                                    if let Some(output) = tool_result.output.clone() {
+                                        if let Some(card) = tool.deserialize_card(
+                                            output,
+                                            project.clone(),
+                                            window,
+                                            cx,
+                                        ) {
+                                            this.tool_result_cards.insert(tool_use_id, card);
+                                        }
+                                    }
+                                }
+                            }
                         }
                     }
                 }
@@ -110,20 +136,28 @@ impl ToolUseState {
     }
 
     pub fn cancel_pending(&mut self) -> Vec<PendingToolUse> {
-        let mut pending_tools = Vec::new();
-        for (tool_use_id, tool_use) in self.pending_tool_uses_by_id.drain() {
-            self.tool_results.insert(
-                tool_use_id.clone(),
-                LanguageModelToolResult {
-                    tool_use_id,
-                    tool_name: tool_use.name.clone(),
-                    content: "Tool canceled by user".into(),
-                    is_error: true,
-                },
-            );
-            pending_tools.push(tool_use.clone());
-        }
-        pending_tools
+        let mut cancelled_tool_uses = Vec::new();
+        self.pending_tool_uses_by_id
+            .retain(|tool_use_id, tool_use| {
+                if matches!(tool_use.status, PendingToolUseStatus::Error { .. }) {
+                    return true;
+                }
+
+                let content = "Tool canceled by user".into();
+                self.tool_results.insert(
+                    tool_use_id.clone(),
+                    LanguageModelToolResult {
+                        tool_use_id: tool_use_id.clone(),
+                        tool_name: tool_use.name.clone(),
+                        content,
+                        output: None,
+                        is_error: true,
+                    },
+                );
+                cancelled_tool_uses.push(tool_use.clone());
+                false
+            });
+        cancelled_tool_uses
     }
 
     pub fn pending_tool_uses(&self) -> Vec<&PendingToolUse> {
@@ -142,10 +176,16 @@ impl ToolUseState {
 
             let status = (|| {
                 if let Some(tool_result) = tool_result {
+                    let content = tool_result
+                        .content
+                        .to_str()
+                        .map(|str| str.to_owned().into())
+                        .unwrap_or_default();
+
                     return if tool_result.is_error {
-                        ToolUseStatus::Error(tool_result.content.clone().into())
+                        ToolUseStatus::Error(content)
                     } else {
-                        ToolUseStatus::Finished(tool_result.content.clone().into())
+                        ToolUseStatus::Finished(content)
                     };
                 }
 
@@ -331,7 +371,7 @@ impl ToolUseState {
         tool_use_id: LanguageModelToolUseId,
         ui_text: impl Into<Arc<str>>,
         input: serde_json::Value,
-        messages: Arc<Vec<LanguageModelRequestMessage>>,
+        request: Arc<LanguageModelRequest>,
         tool: Arc<dyn Tool>,
     ) {
         if let Some(tool_use) = self.pending_tool_uses_by_id.get_mut(&tool_use_id) {
@@ -340,7 +380,7 @@ impl ToolUseState {
             let confirmation = Confirmation {
                 tool_use_id,
                 input,
-                messages,
+                request,
                 tool,
                 ui_text,
             };
@@ -352,7 +392,7 @@ impl ToolUseState {
         &mut self,
         tool_use_id: LanguageModelToolUseId,
         tool_name: Arc<str>,
-        output: Result<String>,
+        output: Result<ToolResultOutput>,
         configured_model: Option<&ConfiguredModel>,
     ) -> Option<PendingToolUse> {
         let metadata = self.tool_use_metadata_by_id.remove(&tool_use_id);
@@ -372,24 +412,49 @@ impl ToolUseState {
         );
 
         match output {
-            Ok(tool_result) => {
+            Ok(output) => {
+                let tool_result = output.content;
                 const BYTES_PER_TOKEN_ESTIMATE: usize = 3;
 
-                // Protect from clearly large output
+                let old_use = self.pending_tool_uses_by_id.remove(&tool_use_id);
+
+                // Protect from overly large output
                 let tool_output_limit = configured_model
                     .map(|model| model.model.max_token_count() * BYTES_PER_TOKEN_ESTIMATE)
                     .unwrap_or(usize::MAX);
 
-                let tool_result = if tool_result.len() <= tool_output_limit {
-                    tool_result
-                } else {
-                    let truncated = truncate_lines_to_byte_limit(&tool_result, tool_output_limit);
+                let content = match tool_result {
+                    ToolResultContent::Text(text) => {
+                        let text = if text.len() < tool_output_limit {
+                            text
+                        } else {
+                            let truncated = truncate_lines_to_byte_limit(&text, tool_output_limit);
+                            format!(
+                                "Tool result too long. The first {} bytes:\n\n{}",
+                                truncated.len(),
+                                truncated
+                            )
+                        };
+                        LanguageModelToolResultContent::Text(text.into())
+                    }
+                    ToolResultContent::Image(language_model_image) => {
+                        if language_model_image.estimate_tokens() < tool_output_limit {
+                            LanguageModelToolResultContent::Image(language_model_image)
+                        } else {
+                            self.tool_results.insert(
+                                tool_use_id.clone(),
+                                LanguageModelToolResult {
+                                    tool_use_id: tool_use_id.clone(),
+                                    tool_name,
+                                    content: "Tool responded with an image that would exceeded the remaining tokens".into(),
+                                    is_error: true,
+                                    output: None,
+                                },
+                            );
 
-                    format!(
-                        "Tool result too long. The first {} bytes:\n\n{}",
-                        truncated.len(),
-                        truncated
-                    )
+                            return old_use;
+                        }
+                    }
                 };
 
                 self.tool_results.insert(
@@ -397,11 +462,13 @@ impl ToolUseState {
                     LanguageModelToolResult {
                         tool_use_id: tool_use_id.clone(),
                         tool_name,
-                        content: tool_result.into(),
+                        content,
                         is_error: false,
+                        output: output.output,
                     },
                 );
-                self.pending_tool_uses_by_id.remove(&tool_use_id)
+
+                old_use
             }
             Err(err) => {
                 self.tool_results.insert(
@@ -409,8 +476,9 @@ impl ToolUseState {
                     LanguageModelToolResult {
                         tool_use_id: tool_use_id.clone(),
                         tool_name,
-                        content: err.to_string().into(),
+                        content: LanguageModelToolResultContent::Text(err.to_string().into()),
                         is_error: true,
+                        output: None,
                     },
                 );
 
@@ -423,71 +491,20 @@ impl ToolUseState {
         }
     }
 
-    pub fn attach_tool_uses(
-        &self,
-        message_id: MessageId,
-        request_message: &mut LanguageModelRequestMessage,
-    ) {
-        if let Some(tool_uses) = self.tool_uses_by_assistant_message.get(&message_id) {
-            for tool_use in tool_uses {
-                if self.tool_results.contains_key(&tool_use.id) {
-                    // Do not send tool uses until they are completed
-                    request_message
-                        .content
-                        .push(MessageContent::ToolUse(tool_use.clone()));
-                } else {
-                    log::debug!(
-                        "skipped tool use {:?} because it is still pending",
-                        tool_use
-                    );
-                }
-            }
-        }
-    }
-
     pub fn has_tool_results(&self, assistant_message_id: MessageId) -> bool {
         self.tool_uses_by_assistant_message
             .contains_key(&assistant_message_id)
     }
 
-    pub fn tool_results_message(
+    pub fn tool_results(
         &self,
         assistant_message_id: MessageId,
-    ) -> Option<LanguageModelRequestMessage> {
-        let tool_uses = self
-            .tool_uses_by_assistant_message
-            .get(&assistant_message_id)?;
-
-        if tool_uses.is_empty() {
-            return None;
-        }
-
-        let mut request_message = LanguageModelRequestMessage {
-            role: Role::User,
-            content: vec![],
-            cache: false,
-        };
-
-        for tool_use in tool_uses {
-            if let Some(tool_result) = self.tool_results.get(&tool_use.id) {
-                request_message
-                    .content
-                    .push(MessageContent::ToolResult(LanguageModelToolResult {
-                        tool_use_id: tool_use.id.clone(),
-                        tool_name: tool_result.tool_name.clone(),
-                        is_error: tool_result.is_error,
-                        content: if tool_result.content.is_empty() {
-                            // Surprisingly, the API fails if we return an empty string here.
-                            // It thinks we are sending a tool use without a tool result.
-                            "<Tool returned an empty string>".into()
-                        } else {
-                            tool_result.content.clone()
-                        },
-                    }));
-            }
-        }
-
-        Some(request_message)
+    ) -> impl Iterator<Item = (&LanguageModelToolUse, Option<&LanguageModelToolResult>)> {
+        self.tool_uses_by_assistant_message
+            .get(&assistant_message_id)
+            .into_iter()
+            .flatten()
+            .map(|tool_use| (tool_use, self.tool_results.get(&tool_use.id)))
     }
 }
 
@@ -508,7 +525,7 @@ pub struct Confirmation {
     pub tool_use_id: LanguageModelToolUseId,
     pub input: serde_json::Value,
     pub ui_text: Arc<str>,
-    pub messages: Arc<Vec<LanguageModelRequestMessage>>,
+    pub request: Arc<LanguageModelRequest>,
     pub tool: Arc<dyn Tool>,
 }
 

crates/agent/src/trial_markdown.md

@@ -0,0 +1,3 @@
+# Build better with Zed Pro
+
+Try [Zed Pro](https://zed.dev/pricing) for free for 14 days - no credit card required. Only $20/month afterward. Cancel anytime.

crates/agent/src/ui.rs

@@ -1,12 +1,13 @@
 mod agent_notification;
-pub mod agent_preview;
 mod animated_label;
 mod context_pill;
+mod max_mode_tooltip;
+mod onboarding_modal;
+pub mod preview;
 mod upsell;
-mod usage_banner;
 
 pub use agent_notification::*;
-pub use agent_preview::*;
 pub use animated_label::*;
 pub use context_pill::*;
-pub use usage_banner::*;
+pub use max_mode_tooltip::*;
+pub use onboarding_modal::*;

crates/agent/src/ui/context_pill.rs

@@ -16,7 +16,8 @@ use crate::context::{
     AgentContext, AgentContextHandle, ContextId, ContextKind, DirectoryContext,
     DirectoryContextHandle, FetchedUrlContext, FileContext, FileContextHandle, ImageContext,
     ImageStatus, RulesContext, RulesContextHandle, SelectionContext, SelectionContextHandle,
-    SymbolContext, SymbolContextHandle, ThreadContext, ThreadContextHandle,
+    SymbolContext, SymbolContextHandle, TextThreadContext, TextThreadContextHandle, ThreadContext,
+    ThreadContextHandle,
 };
 
 #[derive(IntoElement)]
@@ -301,6 +302,7 @@ impl AddedContext {
             AgentContextHandle::Selection(handle) => Self::pending_selection(handle, cx),
             AgentContextHandle::FetchedUrl(handle) => Some(Self::fetched_url(handle)),
             AgentContextHandle::Thread(handle) => Some(Self::pending_thread(handle, cx)),
+            AgentContextHandle::TextThread(handle) => Some(Self::pending_text_thread(handle, cx)),
             AgentContextHandle::Rules(handle) => Self::pending_rules(handle, prompt_store, cx),
             AgentContextHandle::Image(handle) => Some(Self::image(handle)),
         }
@@ -314,6 +316,7 @@ impl AddedContext {
             AgentContext::Selection(context) => Self::attached_selection(context, cx),
             AgentContext::FetchedUrl(context) => Self::fetched_url(context.clone()),
             AgentContext::Thread(context) => Self::attached_thread(context),
+            AgentContext::TextThread(context) => Self::attached_text_thread(context),
             AgentContext::Rules(context) => Self::attached_rules(context),
             AgentContext::Image(context) => Self::image(context.clone()),
         }
@@ -520,6 +523,43 @@ impl AddedContext {
         }
     }
 
+    fn pending_text_thread(handle: TextThreadContextHandle, cx: &App) -> AddedContext {
+        AddedContext {
+            kind: ContextKind::TextThread,
+            name: handle.title(cx),
+            parent: None,
+            tooltip: None,
+            icon_path: None,
+            status: ContextStatus::Ready,
+            render_hover: {
+                let context = handle.context.clone();
+                Some(Rc::new(move |_, cx| {
+                    let text = context.read(cx).to_xml(cx);
+                    ContextPillHover::new_text(text.into(), cx).into()
+                }))
+            },
+            handle: AgentContextHandle::TextThread(handle),
+        }
+    }
+
+    fn attached_text_thread(context: &TextThreadContext) -> AddedContext {
+        AddedContext {
+            kind: ContextKind::TextThread,
+            name: context.title.clone(),
+            parent: None,
+            tooltip: None,
+            icon_path: None,
+            status: ContextStatus::Ready,
+            render_hover: {
+                let text = context.text.clone();
+                Some(Rc::new(move |_, cx| {
+                    ContextPillHover::new_text(text.clone(), cx).into()
+                }))
+            },
+            handle: AgentContextHandle::TextThread(context.handle.clone()),
+        }
+    }
+
     fn pending_rules(
         handle: RulesContextHandle,
         prompt_store: Option<&Entity<PromptStore>>,

crates/agent/src/ui/max_mode_tooltip.rs

@@ -0,0 +1,59 @@
+use gpui::{Context, IntoElement, Render, Window};
+use ui::{prelude::*, tooltip_container};
+
+pub struct MaxModeTooltip {
+    selected: bool,
+}
+
+impl MaxModeTooltip {
+    pub fn new() -> Self {
+        Self { selected: false }
+    }
+
+    pub fn selected(mut self, selected: bool) -> Self {
+        self.selected = selected;
+        self
+    }
+}
+
+impl Render for MaxModeTooltip {
+    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+        tooltip_container(window, cx, |this, _, _| {
+            this.gap_1()
+                .map(|header| if self.selected {
+                    header.child(
+                        h_flex()
+                            .justify_between()
+                            .child(
+                                h_flex()
+                                    .gap_1p5()
+                                    .child(Icon::new(IconName::ZedMaxMode).size(IconSize::Small).color(Color::Accent))
+                                    .child(Label::new("Zed's Max Mode"))
+                            )
+                            .child(
+                                h_flex()
+                                    .gap_0p5()
+                                    .child(Icon::new(IconName::Check).size(IconSize::XSmall).color(Color::Accent))
+                                    .child(Label::new("Turned On").size(LabelSize::XSmall).color(Color::Accent))
+                            )
+                    )
+                } else {
+                    header.child(
+                        h_flex()
+                            .gap_1p5()
+                            .child(Icon::new(IconName::ZedMaxMode).size(IconSize::Small))
+                            .child(Label::new("Zed's Max Mode"))
+                    )
+                })
+                .child(
+                    div()
+                        .max_w_72()
+                        .child(
+                            Label::new("This mode enables models to use large context windows, unlimited tool calls, and other capabilities for expanded reasoning, offering an unfettered agentic experience.")
+                                .size(LabelSize::Small)
+                                .color(Color::Muted)
+                        )
+                )
+        })
+    }
+}

crates/agent/src/ui/onboarding_modal.rs

@@ -0,0 +1,174 @@
+use gpui::{
+    ClickEvent, DismissEvent, Entity, EventEmitter, FocusHandle, Focusable, MouseDownEvent, Render,
+};
+use ui::{TintColor, Vector, VectorName, prelude::*};
+use workspace::{ModalView, Workspace};
+
+use crate::agent_panel::AgentPanel;
+
+macro_rules! agent_onboarding_event {
+    ($name:expr) => {
+        telemetry::event!($name, source = "Agent Onboarding");
+    };
+    ($name:expr, $($key:ident $(= $value:expr)?),+ $(,)?) => {
+        telemetry::event!($name, source = "Agent Onboarding", $($key $(= $value)?),+);
+    };
+}
+
+pub struct AgentOnboardingModal {
+    focus_handle: FocusHandle,
+    workspace: Entity<Workspace>,
+}
+
+impl AgentOnboardingModal {
+    pub fn toggle(workspace: &mut Workspace, window: &mut Window, cx: &mut Context<Workspace>) {
+        let workspace_entity = cx.entity();
+        workspace.toggle_modal(window, cx, |_window, cx| Self {
+            workspace: workspace_entity,
+            focus_handle: cx.focus_handle(),
+        });
+    }
+
+    fn open_panel(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
+        self.workspace.update(cx, |workspace, cx| {
+            workspace.focus_panel::<AgentPanel>(window, cx);
+        });
+
+        cx.emit(DismissEvent);
+
+        agent_onboarding_event!("Open Panel Clicked");
+    }
+
+    fn view_blog(&mut self, _: &ClickEvent, _: &mut Window, cx: &mut Context<Self>) {
+        cx.open_url("http://zed.dev/blog/fastest-ai-code-editor");
+        cx.notify();
+
+        agent_onboarding_event!("Blog Link Clicked");
+    }
+
+    fn cancel(&mut self, _: &menu::Cancel, _: &mut Window, cx: &mut Context<Self>) {
+        cx.emit(DismissEvent);
+    }
+}
+
+impl EventEmitter<DismissEvent> for AgentOnboardingModal {}
+
+impl Focusable for AgentOnboardingModal {
+    fn focus_handle(&self, _cx: &App) -> FocusHandle {
+        self.focus_handle.clone()
+    }
+}
+
+impl ModalView for AgentOnboardingModal {}
+
+impl Render for AgentOnboardingModal {
+    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+        let window_height = window.viewport_size().height;
+        let max_height = window_height - px(200.);
+
+        let base = v_flex()
+            .id("agent-onboarding")
+            .key_context("AgentOnboardingModal")
+            .relative()
+            .w(px(450.))
+            .h_full()
+            .max_h(max_height)
+            .p_4()
+            .gap_2()
+            .elevation_3(cx)
+            .track_focus(&self.focus_handle(cx))
+            .overflow_hidden()
+            .on_action(cx.listener(Self::cancel))
+            .on_action(cx.listener(|_, _: &menu::Cancel, _window, cx| {
+                agent_onboarding_event!("Canceled", trigger = "Action");
+                cx.emit(DismissEvent);
+            }))
+            .on_any_mouse_down(cx.listener(|this, _: &MouseDownEvent, window, _cx| {
+                this.focus_handle.focus(window);
+            }))
+            .child(
+                div()
+                    .absolute()
+                    .top_0()
+                    .right(px(-1.0))
+                    .w(px(441.))
+                    .h(px(240.))
+                    .child(
+                        Vector::new(VectorName::Grid, rems_from_px(441.), rems_from_px(240.))
+                            .color(ui::Color::Custom(cx.theme().colors().text.alpha(0.05))),
+                    ),
+            )
+            .child(
+                div()
+                    .absolute()
+                    .top(px(-8.0))
+                    .right_0()
+                    .w(px(400.))
+                    .h(px(92.))
+                    .child(
+                        Vector::new(VectorName::AiGrid, rems_from_px(400.), rems_from_px(92.))
+                            .color(ui::Color::Custom(cx.theme().colors().text.alpha(0.32))),
+                    ),
+            )
+            .child(
+                div()
+                    .absolute()
+                    .inset_0()
+                    .size_full()
+                    .bg(gpui::linear_gradient(
+                        175.,
+                        gpui::linear_color_stop(
+                            cx.theme().colors().elevated_surface_background,
+                            0.,
+                        ),
+                        gpui::linear_color_stop(
+                            cx.theme().colors().elevated_surface_background.opacity(0.),
+                            0.8,
+                        ),
+                    )),
+            )
+            .child(
+                v_flex()
+                    .w_full()
+                    .gap_1()
+                    .child(
+                        Label::new("Introducing")
+                            .size(LabelSize::Small)
+                            .color(Color::Muted),
+                    )
+                    .child(Headline::new("Agentic Editing in Zed").size(HeadlineSize::Large)),
+            )
+            .child(h_flex().absolute().top_2().right_2().child(
+                IconButton::new("cancel", IconName::X).on_click(cx.listener(
+                    |_, _: &ClickEvent, _window, cx| {
+                        agent_onboarding_event!("Cancelled", trigger = "X click");
+                        cx.emit(DismissEvent);
+                    },
+                )),
+            ));
+
+        let open_panel_button = Button::new("open-panel", "Get Started with the Agent Panel")
+            .icon_size(IconSize::Indicator)
+            .style(ButtonStyle::Tinted(TintColor::Accent))
+            .full_width()
+            .on_click(cx.listener(Self::open_panel));
+
+        let blog_post_button = Button::new("view-blog", "Check out the Blog Post")
+            .icon(IconName::ArrowUpRight)
+            .icon_size(IconSize::Indicator)
+            .icon_color(Color::Muted)
+            .full_width()
+            .on_click(cx.listener(Self::view_blog));
+
+        let copy = "Zed now natively supports agentic editing, enabling fluid collaboration between humans and AI.";
+
+        base.child(Label::new(copy).color(Color::Muted)).child(
+            v_flex()
+                .w_full()
+                .mt_2()
+                .gap_2()
+                .child(open_panel_button)
+                .child(blog_post_button),
+        )
+    }
+}

crates/agent/src/ui/preview.rs

@@ -0,0 +1,5 @@
+mod agent_preview;
+mod usage_callouts;
+
+pub use agent_preview::*;
+pub use usage_callouts::*;

crates/agent/src/ui/preview/agent_preview.rs

@@ -1,25 +1,26 @@
+use std::sync::OnceLock;
+
 use collections::HashMap;
 use component::ComponentId;
 use gpui::{App, Entity, WeakEntity};
-use linkme::distributed_slice;
-use std::sync::OnceLock;
 use ui::{AnyElement, Component, ComponentScope, Window};
 use workspace::Workspace;
 
-use crate::{ActiveThread, ThreadStore};
+use crate::ActiveThread;
 
 /// Function type for creating agent component previews
-pub type PreviewFn = fn(
-    WeakEntity<Workspace>,
-    Entity<ActiveThread>,
-    WeakEntity<ThreadStore>,
-    &mut Window,
-    &mut App,
-) -> Option<AnyElement>;
+pub type PreviewFn =
+    fn(WeakEntity<Workspace>, Entity<ActiveThread>, &mut Window, &mut App) -> Option<AnyElement>;
 
-/// Distributed slice for preview registration functions
-#[distributed_slice]
-pub static __ALL_AGENT_PREVIEWS: [fn() -> (ComponentId, PreviewFn)] = [..];
+pub struct AgentPreviewFn(fn() -> (ComponentId, PreviewFn));
+
+impl AgentPreviewFn {
+    pub const fn new(f: fn() -> (ComponentId, PreviewFn)) -> Self {
+        Self(f)
+    }
+}
+
+inventory::collect!(AgentPreviewFn);
 
 /// Trait that must be implemented by components that provide agent previews.
 pub trait AgentPreview: Component + Sized {
@@ -32,7 +33,6 @@ pub trait AgentPreview: Component + Sized {
     fn agent_preview(
         workspace: WeakEntity<Workspace>,
         active_thread: Entity<ActiveThread>,
-        thread_store: WeakEntity<ThreadStore>,
         window: &mut Window,
         cx: &mut App,
     ) -> Option<AnyElement>;
@@ -42,16 +42,14 @@ pub trait AgentPreview: Component + Sized {
 #[macro_export]
 macro_rules! register_agent_preview {
     ($type:ty) => {
-        #[linkme::distributed_slice($crate::ui::agent_preview::__ALL_AGENT_PREVIEWS)]
-        static __REGISTER_AGENT_PREVIEW: fn() -> (
-            component::ComponentId,
-            $crate::ui::agent_preview::PreviewFn,
-        ) = || {
-            (
-                <$type as component::Component>::id(),
-                <$type as $crate::ui::agent_preview::AgentPreview>::agent_preview,
-            )
-        };
+        inventory::submit! {
+            $crate::ui::preview::AgentPreviewFn::new(|| {
+                (
+                    <$type as component::Component>::id(),
+                    <$type as $crate::ui::preview::AgentPreview>::agent_preview,
+                )
+            })
+        }
     };
 }
 
@@ -62,8 +60,8 @@ static AGENT_PREVIEW_REGISTRY: OnceLock<HashMap<ComponentId, PreviewFn>> = OnceL
 fn get_or_init_registry() -> &'static HashMap<ComponentId, PreviewFn> {
     AGENT_PREVIEW_REGISTRY.get_or_init(|| {
         let mut map = HashMap::default();
-        for register_fn in __ALL_AGENT_PREVIEWS.iter() {
-            let (id, preview_fn) = register_fn();
+        for register_fn in inventory::iter::<AgentPreviewFn>() {
+            let (id, preview_fn) = (register_fn.0)();
             map.insert(id, preview_fn);
         }
         map
@@ -75,14 +73,13 @@ pub fn get_agent_preview(
     id: &ComponentId,
     workspace: WeakEntity<Workspace>,
     active_thread: Entity<ActiveThread>,
-    thread_store: WeakEntity<ThreadStore>,
     window: &mut Window,
     cx: &mut App,
 ) -> Option<AnyElement> {
     let registry = get_or_init_registry();
     registry
         .get(id)
-        .and_then(|preview_fn| preview_fn(workspace, active_thread, thread_store, window, cx))
+        .and_then(|preview_fn| preview_fn(workspace, active_thread, window, cx))
 }
 
 /// Get all registered agent previews.

crates/agent/src/ui/preview/usage_callouts.rs

@@ -0,0 +1,203 @@
+use client::zed_urls;
+use component::{empty_example, example_group_with_title, single_example};
+use gpui::{AnyElement, App, IntoElement, RenderOnce, Window};
+use language_model::RequestUsage;
+use ui::{Callout, Color, Icon, IconName, IconSize, prelude::*};
+use zed_llm_client::{Plan, UsageLimit};
+
+#[derive(IntoElement, RegisterComponent)]
+pub struct UsageCallout {
+    plan: Plan,
+    usage: RequestUsage,
+}
+
+impl UsageCallout {
+    pub fn new(plan: Plan, usage: RequestUsage) -> Self {
+        Self { plan, usage }
+    }
+}
+
+impl RenderOnce for UsageCallout {
+    fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
+        let (is_limit_reached, is_approaching_limit, remaining) = match self.usage.limit {
+            UsageLimit::Limited(limit) => {
+                let percentage = self.usage.amount as f32 / limit as f32;
+                let is_limit_reached = percentage >= 1.0;
+                let is_near_limit = percentage >= 0.9 && percentage < 1.0;
+                (
+                    is_limit_reached,
+                    is_near_limit,
+                    limit.saturating_sub(self.usage.amount),
+                )
+            }
+            UsageLimit::Unlimited => (false, false, 0),
+        };
+
+        if !is_limit_reached && !is_approaching_limit {
+            return div().into_any_element();
+        }
+
+        let (title, message, button_text, url) = if is_limit_reached {
+            match self.plan {
+                Plan::ZedFree => (
+                    "Out of free prompts",
+                    "Upgrade to continue, wait for the next reset, or switch to API key."
+                        .to_string(),
+                    "Upgrade",
+                    zed_urls::account_url(cx),
+                ),
+                Plan::ZedProTrial => (
+                    "Out of trial prompts",
+                    "Upgrade to Zed Pro to continue, or switch to API key.".to_string(),
+                    "Upgrade",
+                    zed_urls::account_url(cx),
+                ),
+                Plan::ZedPro => (
+                    "Out of included prompts",
+                    "Enable usage-based billing to continue.".to_string(),
+                    "Manage",
+                    zed_urls::account_url(cx),
+                ),
+            }
+        } else {
+            match self.plan {
+                Plan::ZedFree => (
+                    "Reaching free plan limit soon",
+                    format!(
+                        "{remaining} remaining - Upgrade to increase limit, or switch providers",
+                    ),
+                    "Upgrade",
+                    zed_urls::account_url(cx),
+                ),
+                Plan::ZedProTrial => (
+                    "Reaching trial limit soon",
+                    format!(
+                        "{remaining} remaining - Upgrade to increase limit, or switch providers",
+                    ),
+                    "Upgrade",
+                    zed_urls::account_url(cx),
+                ),
+                _ => return div().into_any_element(),
+            }
+        };
+
+        let icon = if is_limit_reached {
+            Icon::new(IconName::X)
+                .color(Color::Error)
+                .size(IconSize::XSmall)
+        } else {
+            Icon::new(IconName::Warning)
+                .color(Color::Warning)
+                .size(IconSize::XSmall)
+        };
+
+        Callout::multi_line(
+            title,
+            message,
+            icon,
+            button_text,
+            Box::new(move |_, _, cx| {
+                cx.open_url(&url);
+            }),
+        )
+        .into_any_element()
+    }
+}
+
+impl Component for UsageCallout {
+    fn scope() -> ComponentScope {
+        ComponentScope::Agent
+    }
+
+    fn sort_name() -> &'static str {
+        "AgentUsageCallout"
+    }
+
+    fn preview(_window: &mut Window, _cx: &mut App) -> Option<AnyElement> {
+        let free_examples = example_group_with_title(
+            "Free Plan",
+            vec![
+                single_example(
+                    "Approaching limit (90%)",
+                    UsageCallout::new(
+                        Plan::ZedFree,
+                        RequestUsage {
+                            limit: UsageLimit::Limited(50),
+                            amount: 45, // 90% of limit
+                        },
+                    )
+                    .into_any_element(),
+                ),
+                single_example(
+                    "Limit reached (100%)",
+                    UsageCallout::new(
+                        Plan::ZedFree,
+                        RequestUsage {
+                            limit: UsageLimit::Limited(50),
+                            amount: 50, // 100% of limit
+                        },
+                    )
+                    .into_any_element(),
+                ),
+            ],
+        );
+
+        let trial_examples = example_group_with_title(
+            "Zed Pro Trial",
+            vec![
+                single_example(
+                    "Approaching limit (90%)",
+                    UsageCallout::new(
+                        Plan::ZedProTrial,
+                        RequestUsage {
+                            limit: UsageLimit::Limited(150),
+                            amount: 135, // 90% of limit
+                        },
+                    )
+                    .into_any_element(),
+                ),
+                single_example(
+                    "Limit reached (100%)",
+                    UsageCallout::new(
+                        Plan::ZedProTrial,
+                        RequestUsage {
+                            limit: UsageLimit::Limited(150),
+                            amount: 150, // 100% of limit
+                        },
+                    )
+                    .into_any_element(),
+                ),
+            ],
+        );
+
+        let pro_examples = example_group_with_title(
+            "Zed Pro",
+            vec![
+                single_example(
+                    "Limit reached (100%)",
+                    UsageCallout::new(
+                        Plan::ZedPro,
+                        RequestUsage {
+                            limit: UsageLimit::Limited(500),
+                            amount: 500, // 100% of limit
+                        },
+                    )
+                    .into_any_element(),
+                ),
+                empty_example("Unlimited plan (no callout shown)"),
+            ],
+        );
+
+        Some(
+            div()
+                .p_4()
+                .flex()
+                .flex_col()
+                .gap_4()
+                .child(free_examples)
+                .child(trial_examples)
+                .child(pro_examples)
+                .into_any_element(),
+        )
+    }
+}

crates/agent/src/ui/upsell.rs

@@ -15,7 +15,7 @@ use ui::{
 /// ```
 /// let upsell = Upsell::new(
 ///     "Upgrade to Zed Pro",
-///     "Get unlimited access to AI features and more",
+///     "Get access to advanced AI features and more",
 ///     "Upgrade Now",
 ///     Box::new(|_, _window, cx| {
 ///         cx.open_url("https://zed.dev/pricing");
@@ -33,9 +33,9 @@ pub struct Upsell {
     title: SharedString,
     message: SharedString,
     cta_text: SharedString,
-    on_click: Box<dyn Fn(&ClickEvent, &mut Window, &mut App)>,
-    on_dismiss: Box<dyn Fn(&ClickEvent, &mut Window, &mut App)>,
-    on_dont_show_again: Box<dyn Fn(bool, &mut Window, &mut App)>,
+    on_click: Box<dyn Fn(&ClickEvent, &mut Window, &mut App) + 'static>,
+    on_dismiss: Box<dyn Fn(&ClickEvent, &mut Window, &mut App) + 'static>,
+    on_dont_show_again: Box<dyn Fn(bool, &mut Window, &mut App) + 'static>,
 }
 
 impl Upsell {
@@ -44,9 +44,9 @@ impl Upsell {
         title: impl Into<SharedString>,
         message: impl Into<SharedString>,
         cta_text: impl Into<SharedString>,
-        on_click: Box<dyn Fn(&ClickEvent, &mut Window, &mut App)>,
-        on_dismiss: Box<dyn Fn(&ClickEvent, &mut Window, &mut App)>,
-        on_dont_show_again: Box<dyn Fn(bool, &mut Window, &mut App)>,
+        on_click: Box<dyn Fn(&ClickEvent, &mut Window, &mut App) + 'static>,
+        on_dismiss: Box<dyn Fn(&ClickEvent, &mut Window, &mut App) + 'static>,
+        on_dont_show_again: Box<dyn Fn(bool, &mut Window, &mut App) + 'static>,
     ) -> Self {
         Self {
             title: title.into(),
@@ -105,7 +105,7 @@ impl RenderOnce for Upsell {
                         h_flex()
                             .gap_2()
                             .child(
-                                Button::new("dismiss-button", "Dismiss")
+                                Button::new("dismiss-button", "No Thanks")
                                     .style(ButtonStyle::Subtle)
                                     .on_click(self.on_dismiss),
                             )

crates/agent/src/ui/usage_banner.rs

@@ -1,262 +0,0 @@
-use client::zed_urls;
-use language_model::RequestUsage;
-use ui::{Banner, ProgressBar, Severity, prelude::*};
-use zed_llm_client::{Plan, UsageLimit};
-
-#[derive(IntoElement, RegisterComponent)]
-pub struct UsageBanner {
-    plan: Plan,
-    usage: RequestUsage,
-}
-
-impl UsageBanner {
-    pub fn new(plan: Plan, usage: RequestUsage) -> Self {
-        Self { plan, usage }
-    }
-}
-
-impl RenderOnce for UsageBanner {
-    fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
-        let used_percentage = match self.usage.limit {
-            UsageLimit::Limited(limit) => Some((self.usage.amount as f32 / limit as f32) * 100.),
-            UsageLimit::Unlimited => None,
-        };
-
-        let (severity, message) = match self.usage.limit {
-            UsageLimit::Limited(limit) => {
-                if self.usage.amount >= limit {
-                    let message = match self.plan {
-                        Plan::ZedPro => "Monthly request limit reached",
-                        Plan::ZedProTrial => "Trial request limit reached",
-                        Plan::Free => "Free tier request limit reached",
-                    };
-
-                    (Severity::Error, message)
-                } else if (self.usage.amount as f32 / limit as f32) >= 0.9 {
-                    (Severity::Warning, "Approaching request limit")
-                } else {
-                    let message = match self.plan {
-                        Plan::ZedPro => "Zed Pro",
-                        Plan::ZedProTrial => "Zed Pro (Trial)",
-                        Plan::Free => "Zed Free",
-                    };
-
-                    (Severity::Info, message)
-                }
-            }
-            UsageLimit::Unlimited => {
-                let message = match self.plan {
-                    Plan::ZedPro => "Zed Pro",
-                    Plan::ZedProTrial => "Zed Pro (Trial)",
-                    Plan::Free => "Zed Free",
-                };
-
-                (Severity::Info, message)
-            }
-        };
-
-        let action = match self.plan {
-            Plan::ZedProTrial | Plan::Free => {
-                Button::new("upgrade", "Upgrade").on_click(|_, _window, cx| {
-                    cx.open_url(&zed_urls::account_url(cx));
-                })
-            }
-            Plan::ZedPro => Button::new("manage", "Manage").on_click(|_, _window, cx| {
-                cx.open_url(&zed_urls::account_url(cx));
-            }),
-        };
-
-        Banner::new().severity(severity).children(
-            h_flex().flex_1().gap_1().child(Label::new(message)).child(
-                h_flex()
-                    .flex_1()
-                    .justify_end()
-                    .gap_1p5()
-                    .children(used_percentage.map(|percent| {
-                        h_flex()
-                            .items_center()
-                            .w_full()
-                            .max_w(px(180.))
-                            .child(ProgressBar::new("usage", percent, 100., cx))
-                    }))
-                    .child(
-                        Label::new(match self.usage.limit {
-                            UsageLimit::Limited(limit) => {
-                                format!("{} / {limit}", self.usage.amount)
-                            }
-                            UsageLimit::Unlimited => format!("{} / ∞", self.usage.amount),
-                        })
-                        .size(LabelSize::Small)
-                        .color(Color::Muted),
-                    )
-                    // Note: This should go in the banner's `action_slot`, but doing that messes with the size of the
-                    // progress bar.
-                    .child(action),
-            ),
-        )
-    }
-}
-
-impl Component for UsageBanner {
-    fn scope() -> ComponentScope {
-        ComponentScope::Agent
-    }
-
-    fn sort_name() -> &'static str {
-        "AgentUsageBanner"
-    }
-
-    fn preview(_window: &mut Window, _cx: &mut App) -> Option<AnyElement> {
-        let trial_limit = Plan::ZedProTrial.model_requests_limit();
-        let trial_examples = vec![
-            single_example(
-                "Zed Pro Trial - New User",
-                div()
-                    .size_full()
-                    .child(UsageBanner::new(
-                        Plan::ZedProTrial,
-                        RequestUsage {
-                            limit: trial_limit,
-                            amount: 10,
-                        },
-                    ))
-                    .into_any_element(),
-            ),
-            single_example(
-                "Zed Pro Trial - Approaching Limit",
-                div()
-                    .size_full()
-                    .child(UsageBanner::new(
-                        Plan::ZedProTrial,
-                        RequestUsage {
-                            limit: trial_limit,
-                            amount: 135,
-                        },
-                    ))
-                    .into_any_element(),
-            ),
-            single_example(
-                "Zed Pro Trial - Request Limit Reached",
-                div()
-                    .size_full()
-                    .child(UsageBanner::new(
-                        Plan::ZedProTrial,
-                        RequestUsage {
-                            limit: trial_limit,
-                            amount: 150,
-                        },
-                    ))
-                    .into_any_element(),
-            ),
-        ];
-
-        let free_limit = Plan::Free.model_requests_limit();
-        let free_examples = vec![
-            single_example(
-                "Free - Normal Usage",
-                div()
-                    .size_full()
-                    .child(UsageBanner::new(
-                        Plan::Free,
-                        RequestUsage {
-                            limit: free_limit,
-                            amount: 25,
-                        },
-                    ))
-                    .into_any_element(),
-            ),
-            single_example(
-                "Free - Approaching Limit",
-                div()
-                    .size_full()
-                    .child(UsageBanner::new(
-                        Plan::Free,
-                        RequestUsage {
-                            limit: free_limit,
-                            amount: 45,
-                        },
-                    ))
-                    .into_any_element(),
-            ),
-            single_example(
-                "Free - Request Limit Reached",
-                div()
-                    .size_full()
-                    .child(UsageBanner::new(
-                        Plan::Free,
-                        RequestUsage {
-                            limit: free_limit,
-                            amount: 50,
-                        },
-                    ))
-                    .into_any_element(),
-            ),
-        ];
-
-        let zed_pro_limit = Plan::ZedPro.model_requests_limit();
-        let zed_pro_examples = vec![
-            single_example(
-                "Zed Pro - Normal Usage",
-                div()
-                    .size_full()
-                    .child(UsageBanner::new(
-                        Plan::ZedPro,
-                        RequestUsage {
-                            limit: zed_pro_limit,
-                            amount: 250,
-                        },
-                    ))
-                    .into_any_element(),
-            ),
-            single_example(
-                "Zed Pro - Approaching Limit",
-                div()
-                    .size_full()
-                    .child(UsageBanner::new(
-                        Plan::ZedPro,
-                        RequestUsage {
-                            limit: zed_pro_limit,
-                            amount: 450,
-                        },
-                    ))
-                    .into_any_element(),
-            ),
-            single_example(
-                "Zed Pro - Request Limit Reached",
-                div()
-                    .size_full()
-                    .child(UsageBanner::new(
-                        Plan::ZedPro,
-                        RequestUsage {
-                            limit: zed_pro_limit,
-                            amount: 500,
-                        },
-                    ))
-                    .into_any_element(),
-            ),
-        ];
-
-        Some(
-            v_flex()
-                .gap_6()
-                .p_4()
-                .children(vec![
-                    Label::new("Trial Plan")
-                        .size(LabelSize::Large)
-                        .into_any_element(),
-                    example_group(trial_examples).vertical().into_any_element(),
-                    Label::new("Free Plan")
-                        .size(LabelSize::Large)
-                        .into_any_element(),
-                    example_group(free_examples).vertical().into_any_element(),
-                    Label::new("Pro Plan")
-                        .size(LabelSize::Large)
-                        .into_any_element(),
-                    example_group(zed_pro_examples)
-                        .vertical()
-                        .into_any_element(),
-                ])
-                .into_any_element(),
-        )
-    }
-}

crates/anthropic/src/anthropic.rs

@@ -90,7 +90,7 @@ impl Model {
         } else if id.starts_with("claude-3-haiku") {
             Ok(Self::Claude3Haiku)
         } else {
-            Err(anyhow!("invalid model id"))
+            anyhow::bail!("invalid model id {id}");
         }
     }
 
@@ -385,10 +385,10 @@ impl RateLimitInfo {
     }
 }
 
-fn get_header<'a>(key: &str, headers: &'a HeaderMap) -> Result<&'a str, anyhow::Error> {
+fn get_header<'a>(key: &str, headers: &'a HeaderMap) -> anyhow::Result<&'a str> {
     Ok(headers
         .get(key)
-        .ok_or_else(|| anyhow!("missing header `{key}`"))?
+        .with_context(|| format!("missing header `{key}`"))?
         .to_str()?)
 }
 
@@ -534,12 +534,26 @@ pub enum RequestContent {
     ToolResult {
         tool_use_id: String,
         is_error: bool,
-        content: String,
+        content: ToolResultContent,
         #[serde(skip_serializing_if = "Option::is_none")]
         cache_control: Option<CacheControl>,
     },
 }
 
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(untagged)]
+pub enum ToolResultContent {
+    Plain(String),
+    Multipart(Vec<ToolResultPart>),
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+#[serde(tag = "type", rename_all = "lowercase")]
+pub enum ToolResultPart {
+    Text { text: String },
+    Image { source: ImageSource },
+}
+
 #[derive(Debug, Serialize, Deserialize)]
 #[serde(tag = "type")]
 pub enum ResponseContent {
@@ -578,6 +592,7 @@ pub enum ToolChoice {
     Auto,
     Any,
     Tool { name: String },
+    None,
 }
 
 #[derive(Debug, Serialize, Deserialize)]

crates/askpass/src/askpass.rs

@@ -163,20 +163,26 @@ impl AskPassSession {
 #[cfg(unix)]
 fn get_shell_safe_zed_path() -> anyhow::Result<String> {
     let zed_path = std::env::current_exe()
-        .context("Failed to figure out current executable path for use in askpass")?
+        .context("Failed to determine current executable path for use in askpass")?
         .to_string_lossy()
+        // see https://github.com/rust-lang/rust/issues/69343
+        .trim_end_matches(" (deleted)")
         .to_string();
 
-    // sanity check on unix systems that the path exists and is executable
-    // todo(windows): implement this check for windows (or just use `is-executable` crate)
-    use std::os::unix::fs::MetadataExt;
-    let metadata = std::fs::metadata(&zed_path)
-        .context("Failed to check metadata of Zed executable path for use in askpass")?;
-    let is_executable = metadata.is_file() && metadata.mode() & 0o111 != 0;
-    anyhow::ensure!(
-        is_executable,
-        "Failed to verify Zed executable path for use in askpass"
-    );
+    // NOTE: this was previously enabled, however, it caused errors when it shouldn't have
+    //       (see https://github.com/zed-industries/zed/issues/29819)
+    //       The zed path failing to execute within the askpass script results in very vague ssh
+    //       authentication failed errors, so this was done to try and surface a better error
+    //
+    // use std::os::unix::fs::MetadataExt;
+    // let metadata = std::fs::metadata(&zed_path)
+    //     .context("Failed to check metadata of Zed executable path for use in askpass")?;
+    // let is_executable = metadata.is_file() && metadata.mode() & 0o111 != 0;
+    // anyhow::ensure!(
+    //     is_executable,
+    //     "Failed to verify Zed executable path for use in askpass"
+    // );
+
     // As of writing, this can only be fail if the path contains a null byte, which shouldn't be possible
     // but shlex has annotated the error as #[non_exhaustive] so we can't make it a compile error if other
     // errors are introduced in the future :(

crates/assets/src/assets.rs

@@ -1,6 +1,6 @@
 // This crate was essentially pulled out verbatim from main `zed` crate to avoid having to run RustEmbed macro whenever zed has to be rebuilt. It saves a second or two on an incremental build.
-use anyhow::anyhow;
 
+use anyhow::Context as _;
 use gpui::{App, AssetSource, Result, SharedString};
 use rust_embed::RustEmbed;
 
@@ -21,7 +21,7 @@ impl AssetSource for Assets {
     fn load(&self, path: &str) -> Result<Option<std::borrow::Cow<'static, [u8]>>> {
         Self::get(path)
             .map(|f| Some(f.data))
-            .ok_or_else(|| anyhow!("could not find asset at path \"{}\"", path))
+            .with_context(|| format!("loading asset at path {path:?}"))
     }
 
     fn list(&self, path: &str) -> Result<Vec<SharedString>> {
@@ -39,7 +39,7 @@ impl AssetSource for Assets {
 
 impl Assets {
     /// Populate the [`TextSystem`] of the given [`AppContext`] with all `.ttf` fonts in the `fonts` directory.
-    pub fn load_fonts(&self, cx: &App) -> gpui::Result<()> {
+    pub fn load_fonts(&self, cx: &App) -> anyhow::Result<()> {
         let font_paths = self.list("fonts")?;
         let mut embedded_fonts = Vec::new();
         for font_path in font_paths {

crates/assistant/Cargo.toml

@@ -1,89 +0,0 @@
-[package]
-name = "assistant"
-version = "0.1.0"
-edition.workspace = true
-publish.workspace = true
-license = "GPL-3.0-or-later"
-
-[lints]
-workspace = true
-
-[lib]
-path = "src/assistant.rs"
-doctest = false
-
-[features]
-test-support = [
-    "editor/test-support",
-    "language/test-support",
-    "project/test-support",
-    "text/test-support",
-]
-
-[dependencies]
-anyhow.workspace = true
-assistant_context_editor.workspace = true
-assistant_settings.workspace = true
-assistant_slash_command.workspace = true
-assistant_slash_commands.workspace = true
-assistant_tool.workspace = true
-async-watch.workspace = true
-client.workspace = true
-collections.workspace = true
-command_palette_hooks.workspace = true
-context_server.workspace = true
-db.workspace = true
-editor.workspace = true
-feature_flags.workspace = true
-fs.workspace = true
-futures.workspace = true
-gpui.workspace = true
-indexed_docs.workspace = true
-indoc.workspace = true
-language.workspace = true
-language_model.workspace = true
-language_model_selector.workspace = true
-log.workspace = true
-lsp.workspace = true
-menu.workspace = true
-multi_buffer.workspace = true
-parking_lot.workspace = true
-project.workspace = true
-rules_library.workspace = true
-prompt_store.workspace = true
-proto.workspace = true
-rope.workspace = true
-schemars.workspace = true
-search.workspace = true
-serde.workspace = true
-settings.workspace = true
-smol.workspace = true
-streaming_diff.workspace = true
-telemetry.workspace = true
-telemetry_events.workspace = true
-terminal.workspace = true
-terminal_view.workspace = true
-text.workspace = true
-theme.workspace = true
-ui.workspace = true
-util.workspace = true
-workspace.workspace = true
-zed_actions.workspace = true
-workspace-hack.workspace = true
-
-[dev-dependencies]
-ctor.workspace = true
-editor = { workspace = true, features = ["test-support"] }
-env_logger.workspace = true
-language = { workspace = true, features = ["test-support"] }
-language_model = { workspace = true, features = ["test-support"] }
-languages = { workspace = true, features = ["test-support"] }
-log.workspace = true
-pretty_assertions.workspace = true
-project = { workspace = true, features = ["test-support"] }
-rand.workspace = true
-serde_json_lenient.workspace = true
-terminal_view = { workspace = true, features = ["test-support"] }
-text = { workspace = true, features = ["test-support"] }
-tree-sitter-md.workspace = true
-unindent.workspace = true

crates/assistant/src/assistant_configuration.rs

@@ -1,199 +0,0 @@
-use std::sync::Arc;
-
-use collections::HashMap;
-use gpui::{AnyView, App, EventEmitter, FocusHandle, Focusable, Subscription, canvas};
-use language_model::{LanguageModelProvider, LanguageModelProviderId, LanguageModelRegistry};
-use ui::{ElevationIndex, prelude::*};
-use workspace::Item;
-
-pub struct ConfigurationView {
-    focus_handle: FocusHandle,
-    configuration_views: HashMap<LanguageModelProviderId, AnyView>,
-    _registry_subscription: Subscription,
-}
-
-impl ConfigurationView {
-    pub fn new(window: &mut Window, cx: &mut Context<Self>) -> Self {
-        let focus_handle = cx.focus_handle();
-
-        let registry_subscription = cx.subscribe_in(
-            &LanguageModelRegistry::global(cx),
-            window,
-            |this, _, event: &language_model::Event, window, cx| match event {
-                language_model::Event::AddedProvider(provider_id) => {
-                    let provider = LanguageModelRegistry::read_global(cx).provider(provider_id);
-                    if let Some(provider) = provider {
-                        this.add_configuration_view(&provider, window, cx);
-                    }
-                }
-                language_model::Event::RemovedProvider(provider_id) => {
-                    this.remove_configuration_view(provider_id);
-                }
-                _ => {}
-            },
-        );
-
-        let mut this = Self {
-            focus_handle,
-            configuration_views: HashMap::default(),
-            _registry_subscription: registry_subscription,
-        };
-        this.build_configuration_views(window, cx);
-        this
-    }
-
-    fn build_configuration_views(&mut self, window: &mut Window, cx: &mut Context<Self>) {
-        let providers = LanguageModelRegistry::read_global(cx).providers();
-        for provider in providers {
-            self.add_configuration_view(&provider, window, cx);
-        }
-    }
-
-    fn remove_configuration_view(&mut self, provider_id: &LanguageModelProviderId) {
-        self.configuration_views.remove(provider_id);
-    }
-
-    fn add_configuration_view(
-        &mut self,
-        provider: &Arc<dyn LanguageModelProvider>,
-        window: &mut Window,
-        cx: &mut Context<Self>,
-    ) {
-        let configuration_view = provider.configuration_view(window, cx);
-        self.configuration_views
-            .insert(provider.id(), configuration_view);
-    }
-
-    fn render_provider_view(
-        &mut self,
-        provider: &Arc<dyn LanguageModelProvider>,
-        cx: &mut Context<Self>,
-    ) -> Div {
-        let provider_id = provider.id().0.clone();
-        let provider_name = provider.name().0.clone();
-        let configuration_view = self.configuration_views.get(&provider.id()).cloned();
-
-        let open_new_context = cx.listener({
-            let provider = provider.clone();
-            move |_, _, _window, cx| {
-                cx.emit(ConfigurationViewEvent::NewProviderContextEditor(
-                    provider.clone(),
-                ))
-            }
-        });
-
-        v_flex()
-            .gap_2()
-            .child(
-                h_flex()
-                    .justify_between()
-                    .child(Headline::new(provider_name.clone()).size(HeadlineSize::Small))
-                    .when(provider.is_authenticated(cx), move |this| {
-                        this.child(
-                            h_flex().justify_end().child(
-                                Button::new(
-                                    SharedString::from(format!("new-context-{provider_id}")),
-                                    "Open New Chat",
-                                )
-                                .icon_position(IconPosition::Start)
-                                .icon(IconName::Plus)
-                                .style(ButtonStyle::Filled)
-                                .layer(ElevationIndex::ModalSurface)
-                                .on_click(open_new_context),
-                            ),
-                        )
-                    }),
-            )
-            .child(
-                div()
-                    .p(DynamicSpacing::Base08.rems(cx))
-                    .bg(cx.theme().colors().surface_background)
-                    .border_1()
-                    .border_color(cx.theme().colors().border_variant)
-                    .rounded_sm()
-                    .when(configuration_view.is_none(), |this| {
-                        this.child(div().child(Label::new(format!(
-                            "No configuration view for {}",
-                            provider_name
-                        ))))
-                    })
-                    .when_some(configuration_view, |this, configuration_view| {
-                        this.child(configuration_view)
-                    }),
-            )
-    }
-}
-
-impl Render for ConfigurationView {
-    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
-        let providers = LanguageModelRegistry::read_global(cx).providers();
-        let provider_views = providers
-            .into_iter()
-            .map(|provider| self.render_provider_view(&provider, cx))
-            .collect::<Vec<_>>();
-
-        let mut element = v_flex()
-            .id("assistant-configuration-view")
-            .track_focus(&self.focus_handle(cx))
-            .bg(cx.theme().colors().editor_background)
-            .size_full()
-            .overflow_y_scroll()
-            .child(
-                v_flex()
-                    .p(DynamicSpacing::Base16.rems(cx))
-                    .border_b_1()
-                    .border_color(cx.theme().colors().border)
-                    .gap_1()
-                    .child(Headline::new("Configure your Assistant").size(HeadlineSize::Medium))
-                    .child(
-                        Label::new(
-                            "At least one LLM provider must be configured to use the Assistant.",
-                        )
-                        .color(Color::Muted),
-                    ),
-            )
-            .child(
-                v_flex()
-                    .p(DynamicSpacing::Base16.rems(cx))
-                    .mt_1()
-                    .gap_6()
-                    .flex_1()
-                    .children(provider_views),
-            )
-            .into_any();
-
-        // We use a canvas here to get scrolling to work in the ConfigurationView. It's a workaround
-        // because we couldn't the element to take up the size of the parent.
-        canvas(
-            move |bounds, window, cx| {
-                element.prepaint_as_root(bounds.origin, bounds.size.into(), window, cx);
-                element
-            },
-            |_, mut element, window, cx| {
-                element.paint(window, cx);
-            },
-        )
-        .flex_1()
-        .w_full()
-    }
-}
-
-pub enum ConfigurationViewEvent {
-    NewProviderContextEditor(Arc<dyn LanguageModelProvider>),
-}
-
-impl EventEmitter<ConfigurationViewEvent> for ConfigurationView {}
-
-impl Focusable for ConfigurationView {
-    fn focus_handle(&self, _: &App) -> FocusHandle {
-        self.focus_handle.clone()
-    }
-}
-
-impl Item for ConfigurationView {
-    type Event = ConfigurationViewEvent;
-
-    fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
-        "Configuration".into()
-    }
-}

crates/assistant_context_editor/Cargo.toml

@@ -30,15 +30,16 @@ gpui.workspace = true
 indexed_docs.workspace = true
 language.workspace = true
 language_model.workspace = true
-language_model_selector.workspace = true
 log.workspace = true
 multi_buffer.workspace = true
 open_ai.workspace = true
+ordered-float.workspace = true
 parking_lot.workspace = true
 paths.workspace = true
 picker.workspace = true
 project.workspace = true
 prompt_store.workspace = true
+proto.workspace = true
 regex.workspace = true
 rope.workspace = true
 rpc.workspace = true
@@ -47,7 +48,6 @@ serde_json.workspace = true
 settings.workspace = true
 smallvec.workspace = true
 smol.workspace = true
-strum.workspace = true
 telemetry_events.workspace = true
 text.workspace = true
 theme.workspace = true

crates/assistant_context_editor/src/assistant_context_editor.rs

@@ -2,22 +2,34 @@ mod context;
 mod context_editor;
 mod context_history;
 mod context_store;
-mod patch;
+pub mod language_model_selector;
 mod slash_command;
 mod slash_command_picker;
 
 use std::sync::Arc;
 
 use client::Client;
-use gpui::App;
+use gpui::{App, Context};
+use workspace::Workspace;
 
 pub use crate::context::*;
 pub use crate::context_editor::*;
 pub use crate::context_history::*;
 pub use crate::context_store::*;
-pub use crate::patch::*;
 pub use crate::slash_command::*;
 
-pub fn init(client: Arc<Client>, _cx: &mut App) {
+pub fn init(client: Arc<Client>, cx: &mut App) {
     context_store::init(&client.into());
+    workspace::FollowableViewRegistry::register::<ContextEditor>(cx);
+
+    cx.observe_new(
+        |workspace: &mut Workspace, _window, _cx: &mut Context<Workspace>| {
+            workspace
+                .register_action(ContextEditor::quote_selection)
+                .register_action(ContextEditor::insert_selection)
+                .register_action(ContextEditor::copy_code)
+                .register_action(ContextEditor::handle_insert_dragged_files);
+        },
+    )
+    .detach();
 }

crates/assistant_context_editor/src/context.rs

@@ -1,8 +1,8 @@
 #[cfg(test)]
 mod context_tests;
 
-use crate::patch::{AssistantEdit, AssistantPatch, AssistantPatchStatus};
-use anyhow::{Context as _, Result, anyhow};
+use anyhow::{Context as _, Result, bail};
+use assistant_settings::AssistantSettings;
 use assistant_slash_command::{
     SlashCommandContent, SlashCommandEvent, SlashCommandLine, SlashCommandOutputSection,
     SlashCommandResult, SlashCommandWorkingSet,
@@ -21,8 +21,8 @@ use language::{AnchorRangeExt, Bias, Buffer, LanguageRegistry, OffsetRangeExt, P
 use language_model::{
     LanguageModel, LanguageModelCacheConfiguration, LanguageModelCompletionEvent,
     LanguageModelImage, LanguageModelRegistry, LanguageModelRequest, LanguageModelRequestMessage,
-    LanguageModelToolUseId, MaxMonthlySpendReachedError, MessageContent, PaymentRequiredError,
-    Role, StopReason, report_assistant_event,
+    LanguageModelToolUseId, MessageContent, PaymentRequiredError, Role, StopReason,
+    report_assistant_event,
 };
 use open_ai::Model as OpenAiModel;
 use paths::contexts_dir;
@@ -32,11 +32,10 @@ use serde::{Deserialize, Serialize};
 use smallvec::SmallVec;
 use std::{
     cmp::{Ordering, max},
-    fmt::Debug,
+    fmt::{Debug, Write as _},
     iter, mem,
     ops::Range,
     path::Path,
-    str::FromStr as _,
     sync::Arc,
     time::{Duration, Instant},
 };
@@ -121,14 +120,6 @@ impl MessageStatus {
     }
 }
 
-#[derive(Clone, Copy, Debug, PartialEq, Eq)]
-pub enum RequestType {
-    /// Request a normal chat response from the model.
-    Chat,
-    /// Add a preamble to the message, which tells the model to return a structured response that suggests edits.
-    SuggestEdits,
-}
-
 #[derive(Clone, Debug)]
 pub enum ContextOperation {
     InsertMessage {
@@ -142,7 +133,7 @@ pub enum ContextOperation {
         version: clock::Global,
     },
     UpdateSummary {
-        summary: ContextSummary,
+        summary: ContextSummaryContent,
         version: clock::Global,
     },
     SlashCommandStarted {
@@ -212,7 +203,7 @@ impl ContextOperation {
                 version: language::proto::deserialize_version(&update.version),
             }),
             proto::context_operation::Variant::UpdateSummary(update) => Ok(Self::UpdateSummary {
-                summary: ContextSummary {
+                summary: ContextSummaryContent {
                     text: update.summary,
                     done: update.done,
                     timestamp: language::proto::deserialize_timestamp(
@@ -456,17 +447,12 @@ impl ContextOperation {
 pub enum ContextEvent {
     ShowAssistError(SharedString),
     ShowPaymentRequiredError,
-    ShowMaxMonthlySpendReachedError,
     MessagesEdited,
     SummaryChanged,
     SummaryGenerated,
     StreamedCompletion,
     StartedThoughtProcess(Range<language::Anchor>),
     EndedThoughtProcess(language::Anchor),
-    PatchesUpdated {
-        removed: Vec<Range<language::Anchor>>,
-        updated: Vec<Range<language::Anchor>>,
-    },
     InvokedSlashCommandChanged {
         command_id: InvokedSlashCommandId,
     },
@@ -480,11 +466,73 @@ pub enum ContextEvent {
     Operation(ContextOperation),
 }
 
-#[derive(Clone, Default, Debug)]
-pub struct ContextSummary {
+#[derive(Clone, Debug, Eq, PartialEq)]
+pub enum ContextSummary {
+    Pending,
+    Content(ContextSummaryContent),
+    Error,
+}
+
+#[derive(Default, Clone, Debug, Eq, PartialEq)]
+pub struct ContextSummaryContent {
     pub text: String,
     pub done: bool,
-    timestamp: clock::Lamport,
+    pub timestamp: clock::Lamport,
+}
+
+impl ContextSummary {
+    pub const DEFAULT: &str = "New Text Thread";
+
+    pub fn or_default(&self) -> SharedString {
+        self.unwrap_or(Self::DEFAULT)
+    }
+
+    pub fn unwrap_or(&self, message: impl Into<SharedString>) -> SharedString {
+        self.content()
+            .map_or_else(|| message.into(), |content| content.text.clone().into())
+    }
+
+    pub fn content(&self) -> Option<&ContextSummaryContent> {
+        match self {
+            ContextSummary::Content(content) => Some(content),
+            ContextSummary::Pending | ContextSummary::Error => None,
+        }
+    }
+
+    fn content_as_mut(&mut self) -> Option<&mut ContextSummaryContent> {
+        match self {
+            ContextSummary::Content(content) => Some(content),
+            ContextSummary::Pending | ContextSummary::Error => None,
+        }
+    }
+
+    fn content_or_set_empty(&mut self) -> &mut ContextSummaryContent {
+        match self {
+            ContextSummary::Content(content) => content,
+            ContextSummary::Pending | ContextSummary::Error => {
+                let content = ContextSummaryContent::default();
+                *self = ContextSummary::Content(content);
+                self.content_as_mut().unwrap()
+            }
+        }
+    }
+
+    pub fn is_pending(&self) -> bool {
+        matches!(self, ContextSummary::Pending)
+    }
+
+    fn timestamp(&self) -> Option<clock::Lamport> {
+        match self {
+            ContextSummary::Content(content) => Some(content.timestamp),
+            ContextSummary::Pending | ContextSummary::Error => None,
+        }
+    }
+}
+
+impl PartialOrd for ContextSummary {
+    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
+        self.timestamp().partial_cmp(&other.timestamp())
+    }
 }
 
 #[derive(Clone, Debug, Eq, PartialEq)]
@@ -604,26 +652,6 @@ struct PendingCompletion {
 #[derive(Copy, Clone, Debug, Hash, Eq, PartialEq)]
 pub struct InvokedSlashCommandId(clock::Lamport);
 
-#[derive(Clone, Debug)]
-pub struct XmlTag {
-    pub kind: XmlTagKind,
-    pub range: Range<text::Anchor>,
-    pub is_open_tag: bool,
-}
-
-#[derive(Copy, Clone, Debug, strum::EnumString, PartialEq, Eq, strum::AsRefStr)]
-#[strum(serialize_all = "snake_case")]
-pub enum XmlTagKind {
-    Patch,
-    Title,
-    Edit,
-    Path,
-    Description,
-    OldText,
-    NewText,
-    Operation,
-}
-
 pub struct AssistantContext {
     id: ContextId,
     timestamp: clock::Lamport,
@@ -640,7 +668,7 @@ pub struct AssistantContext {
     message_anchors: Vec<MessageAnchor>,
     contents: Vec<Content>,
     messages_metadata: HashMap<MessageId, MessageMetadata>,
-    summary: Option<ContextSummary>,
+    summary: ContextSummary,
     summary_task: Task<Option<()>>,
     completion_count: usize,
     pending_completions: Vec<PendingCompletion>,
@@ -652,8 +680,6 @@ pub struct AssistantContext {
     _subscriptions: Vec<Subscription>,
     telemetry: Option<Arc<Telemetry>>,
     language_registry: Arc<LanguageRegistry>,
-    patches: Vec<AssistantPatch>,
-    xml_tags: Vec<XmlTag>,
     project: Option<Entity<Project>>,
     prompt_builder: Arc<PromptBuilder>,
 }
@@ -668,18 +694,6 @@ impl ContextAnnotation for ParsedSlashCommand {
     }
 }
 
-impl ContextAnnotation for AssistantPatch {
-    fn range(&self) -> &Range<language::Anchor> {
-        &self.range
-    }
-}
-
-impl ContextAnnotation for XmlTag {
-    fn range(&self) -> &Range<language::Anchor> {
-        &self.range
-    }
-}
-
 impl EventEmitter<ContextEvent> for AssistantContext {}
 
 impl AssistantContext {
@@ -741,7 +755,7 @@ impl AssistantContext {
             slash_command_output_sections: Vec::new(),
             thought_process_output_sections: Vec::new(),
             edits_since_last_parse: edits_since_last_slash_command_parse,
-            summary: None,
+            summary: ContextSummary::Pending,
             summary_task: Task::ready(None),
             completion_count: Default::default(),
             pending_completions: Default::default(),
@@ -756,8 +770,6 @@ impl AssistantContext {
             project,
             language_registry,
             slash_commands,
-            patches: Vec::new(),
-            xml_tags: Vec::new(),
             prompt_builder,
         };
 
@@ -802,7 +814,7 @@ impl AssistantContext {
                 .collect(),
             summary: self
                 .summary
-                .as_ref()
+                .content()
                 .map(|summary| summary.text.clone())
                 .unwrap_or_default(),
             slash_command_output_sections: self
@@ -988,12 +1000,10 @@ impl AssistantContext {
                     summary: new_summary,
                     ..
                 } => {
-                    if self
-                        .summary
-                        .as_ref()
-                        .map_or(true, |summary| new_summary.timestamp > summary.timestamp)
-                    {
-                        self.summary = Some(new_summary);
+                    if self.summary.timestamp().map_or(true, |current_timestamp| {
+                        new_summary.timestamp > current_timestamp
+                    }) {
+                        self.summary = ContextSummary::Content(new_summary);
                         summary_generated = true;
                     }
                 }
@@ -1151,50 +1161,8 @@ impl AssistantContext {
         self.path.as_ref()
     }
 
-    pub fn summary(&self) -> Option<&ContextSummary> {
-        self.summary.as_ref()
-    }
-
-    pub fn patch_containing(&self, position: Point, cx: &App) -> Option<&AssistantPatch> {
-        let buffer = self.buffer.read(cx);
-        let index = self.patches.binary_search_by(|patch| {
-            let patch_range = patch.range.to_point(&buffer);
-            if position < patch_range.start {
-                Ordering::Greater
-            } else if position > patch_range.end {
-                Ordering::Less
-            } else {
-                Ordering::Equal
-            }
-        });
-        if let Ok(ix) = index {
-            Some(&self.patches[ix])
-        } else {
-            None
-        }
-    }
-
-    pub fn patch_ranges(&self) -> impl Iterator<Item = Range<language::Anchor>> + '_ {
-        self.patches.iter().map(|patch| patch.range.clone())
-    }
-
-    pub fn patch_for_range(
-        &self,
-        range: &Range<language::Anchor>,
-        cx: &App,
-    ) -> Option<&AssistantPatch> {
-        let buffer = self.buffer.read(cx);
-        let index = self.patch_index_for_range(range, buffer).ok()?;
-        Some(&self.patches[index])
-    }
-
-    fn patch_index_for_range(
-        &self,
-        tagged_range: &Range<text::Anchor>,
-        buffer: &text::BufferSnapshot,
-    ) -> Result<usize, usize> {
-        self.patches
-            .binary_search_by(|probe| probe.range.cmp(&tagged_range, buffer))
+    pub fn summary(&self) -> &ContextSummary {
+        &self.summary
     }
 
     pub fn parsed_slash_commands(&self) -> &[ParsedSlashCommand] {
@@ -1273,10 +1241,10 @@ impl AssistantContext {
     pub(crate) fn count_remaining_tokens(&mut self, cx: &mut Context<Self>) {
         // Assume it will be a Chat request, even though that takes fewer tokens (and risks going over the limit),
         // because otherwise you see in the UI that your empty message has a bunch of tokens already used.
-        let request = self.to_completion_request(RequestType::Chat, cx);
         let Some(model) = LanguageModelRegistry::read_global(cx).default_model() else {
             return;
         };
+        let request = self.to_completion_request(Some(&model.model), cx);
         let debounce = self.token_count.is_some();
         self.pending_token_count = cx.spawn(async move |this, cx| {
             async move {
@@ -1422,7 +1390,7 @@ impl AssistantContext {
         }
 
         let request = {
-            let mut req = self.to_completion_request(RequestType::Chat, cx);
+            let mut req = self.to_completion_request(Some(&model), cx);
             // Skip the last message because it's likely to change and
             // therefore would be a waste to cache.
             req.messages.pop();
@@ -1497,8 +1465,6 @@ impl AssistantContext {
 
         let mut removed_parsed_slash_command_ranges = Vec::new();
         let mut updated_parsed_slash_commands = Vec::new();
-        let mut removed_patches = Vec::new();
-        let mut updated_patches = Vec::new();
         while let Some(mut row_range) = row_ranges.next() {
             while let Some(next_row_range) = row_ranges.peek() {
                 if row_range.end >= next_row_range.start {
@@ -1523,13 +1489,6 @@ impl AssistantContext {
                 cx,
             );
             self.invalidate_pending_slash_commands(&buffer, cx);
-            self.reparse_patches_in_range(
-                start..end,
-                &buffer,
-                &mut updated_patches,
-                &mut removed_patches,
-                cx,
-            );
         }
 
         if !updated_parsed_slash_commands.is_empty()
@@ -1540,13 +1499,6 @@ impl AssistantContext {
                 updated: updated_parsed_slash_commands,
             });
         }
-
-        if !updated_patches.is_empty() || !removed_patches.is_empty() {
-            cx.emit(ContextEvent::PatchesUpdated {
-                removed: removed_patches,
-                updated: updated_patches,
-            });
-        }
     }
 
     fn reparse_slash_commands_in_range(
@@ -1637,267 +1589,6 @@ impl AssistantContext {
         }
     }
 
-    fn reparse_patches_in_range(
-        &mut self,
-        range: Range<text::Anchor>,
-        buffer: &BufferSnapshot,
-        updated: &mut Vec<Range<text::Anchor>>,
-        removed: &mut Vec<Range<text::Anchor>>,
-        cx: &mut Context<Self>,
-    ) {
-        // Rebuild the XML tags in the edited range.
-        let intersecting_tags_range =
-            self.indices_intersecting_buffer_range(&self.xml_tags, range.clone(), cx);
-        let new_tags = self.parse_xml_tags_in_range(buffer, range.clone(), cx);
-        self.xml_tags
-            .splice(intersecting_tags_range.clone(), new_tags);
-
-        // Find which patches intersect the changed range.
-        let intersecting_patches_range =
-            self.indices_intersecting_buffer_range(&self.patches, range.clone(), cx);
-
-        // Reparse all tags after the last unchanged patch before the change.
-        let mut tags_start_ix = 0;
-        if let Some(preceding_unchanged_patch) =
-            self.patches[..intersecting_patches_range.start].last()
-        {
-            tags_start_ix = match self.xml_tags.binary_search_by(|tag| {
-                tag.range
-                    .start
-                    .cmp(&preceding_unchanged_patch.range.end, buffer)
-                    .then(Ordering::Less)
-            }) {
-                Ok(ix) | Err(ix) => ix,
-            };
-        }
-
-        // Rebuild the patches in the range.
-        let new_patches = self.parse_patches(tags_start_ix, range.end, buffer, cx);
-        updated.extend(new_patches.iter().map(|patch| patch.range.clone()));
-        let removed_patches = self.patches.splice(intersecting_patches_range, new_patches);
-        removed.extend(
-            removed_patches
-                .map(|patch| patch.range)
-                .filter(|range| !updated.contains(&range)),
-        );
-    }
-
-    fn parse_xml_tags_in_range(
-        &self,
-        buffer: &BufferSnapshot,
-        range: Range<text::Anchor>,
-        cx: &App,
-    ) -> Vec<XmlTag> {
-        let mut messages = self.messages(cx).peekable();
-
-        let mut tags = Vec::new();
-        let mut lines = buffer.text_for_range(range).lines();
-        let mut offset = lines.offset();
-
-        while let Some(line) = lines.next() {
-            while let Some(message) = messages.peek() {
-                if offset < message.offset_range.end {
-                    break;
-                } else {
-                    messages.next();
-                }
-            }
-
-            let is_assistant_message = messages
-                .peek()
-                .map_or(false, |message| message.role == Role::Assistant);
-            if is_assistant_message {
-                for (start_ix, _) in line.match_indices('<') {
-                    let mut name_start_ix = start_ix + 1;
-                    let closing_bracket_ix = line[start_ix..].find('>').map(|i| start_ix + i);
-                    if let Some(closing_bracket_ix) = closing_bracket_ix {
-                        let end_ix = closing_bracket_ix + 1;
-                        let mut is_open_tag = true;
-                        if line[name_start_ix..closing_bracket_ix].starts_with('/') {
-                            name_start_ix += 1;
-                            is_open_tag = false;
-                        }
-                        let tag_inner = &line[name_start_ix..closing_bracket_ix];
-                        let tag_name_len = tag_inner
-                            .find(|c: char| c.is_whitespace())
-                            .unwrap_or(tag_inner.len());
-                        if let Ok(kind) = XmlTagKind::from_str(&tag_inner[..tag_name_len]) {
-                            tags.push(XmlTag {
-                                range: buffer.anchor_after(offset + start_ix)
-                                    ..buffer.anchor_before(offset + end_ix),
-                                is_open_tag,
-                                kind,
-                            });
-                        };
-                    }
-                }
-            }
-
-            offset = lines.offset();
-        }
-        tags
-    }
-
-    fn parse_patches(
-        &mut self,
-        tags_start_ix: usize,
-        buffer_end: text::Anchor,
-        buffer: &BufferSnapshot,
-        cx: &App,
-    ) -> Vec<AssistantPatch> {
-        let mut new_patches = Vec::new();
-        let mut pending_patch = None;
-        let mut patch_tag_depth = 0;
-        let mut tags = self.xml_tags[tags_start_ix..].iter().peekable();
-        'tags: while let Some(tag) = tags.next() {
-            if tag.range.start.cmp(&buffer_end, buffer).is_gt() && patch_tag_depth == 0 {
-                break;
-            }
-
-            if tag.kind == XmlTagKind::Patch && tag.is_open_tag {
-                patch_tag_depth += 1;
-                let patch_start = tag.range.start;
-                let mut edits = Vec::<Result<AssistantEdit>>::new();
-                let mut patch = AssistantPatch {
-                    range: patch_start..patch_start,
-                    title: String::new().into(),
-                    edits: Default::default(),
-                    status: crate::AssistantPatchStatus::Pending,
-                };
-
-                while let Some(tag) = tags.next() {
-                    if tag.kind == XmlTagKind::Patch && !tag.is_open_tag {
-                        patch_tag_depth -= 1;
-                        if patch_tag_depth == 0 {
-                            patch.range.end = tag.range.end;
-
-                            // Include the line immediately after this <patch> tag if it's empty.
-                            let patch_end_offset = patch.range.end.to_offset(buffer);
-                            let mut patch_end_chars = buffer.chars_at(patch_end_offset);
-                            if patch_end_chars.next() == Some('\n')
-                                && patch_end_chars.next().map_or(true, |ch| ch == '\n')
-                            {
-                                let messages = self.messages_for_offsets(
-                                    [patch_end_offset, patch_end_offset + 1],
-                                    cx,
-                                );
-                                if messages.len() == 1 {
-                                    patch.range.end = buffer.anchor_before(patch_end_offset + 1);
-                                }
-                            }
-
-                            edits.sort_unstable_by(|a, b| {
-                                if let (Ok(a), Ok(b)) = (a, b) {
-                                    a.path.cmp(&b.path)
-                                } else {
-                                    Ordering::Equal
-                                }
-                            });
-                            patch.edits = edits.into();
-                            patch.status = AssistantPatchStatus::Ready;
-                            new_patches.push(patch);
-                            continue 'tags;
-                        }
-                    }
-
-                    if tag.kind == XmlTagKind::Title && tag.is_open_tag {
-                        let content_start = tag.range.end;
-                        while let Some(tag) = tags.next() {
-                            if tag.kind == XmlTagKind::Title && !tag.is_open_tag {
-                                let content_end = tag.range.start;
-                                patch.title =
-                                    trimmed_text_in_range(buffer, content_start..content_end)
-                                        .into();
-                                break;
-                            }
-                        }
-                    }
-
-                    if tag.kind == XmlTagKind::Edit && tag.is_open_tag {
-                        let mut path = None;
-                        let mut old_text = None;
-                        let mut new_text = None;
-                        let mut operation = None;
-                        let mut description = None;
-
-                        while let Some(tag) = tags.next() {
-                            if tag.kind == XmlTagKind::Edit && !tag.is_open_tag {
-                                edits.push(AssistantEdit::new(
-                                    path,
-                                    operation,
-                                    old_text,
-                                    new_text,
-                                    description,
-                                ));
-                                break;
-                            }
-
-                            if tag.is_open_tag
-                                && [
-                                    XmlTagKind::Path,
-                                    XmlTagKind::OldText,
-                                    XmlTagKind::NewText,
-                                    XmlTagKind::Operation,
-                                    XmlTagKind::Description,
-                                ]
-                                .contains(&tag.kind)
-                            {
-                                let kind = tag.kind;
-                                let content_start = tag.range.end;
-                                if let Some(tag) = tags.peek() {
-                                    if tag.kind == kind && !tag.is_open_tag {
-                                        let tag = tags.next().unwrap();
-                                        let content_end = tag.range.start;
-                                        let content = trimmed_text_in_range(
-                                            buffer,
-                                            content_start..content_end,
-                                        );
-                                        match kind {
-                                            XmlTagKind::Path => path = Some(content),
-                                            XmlTagKind::Operation => operation = Some(content),
-                                            XmlTagKind::OldText => {
-                                                old_text = Some(content).filter(|s| !s.is_empty())
-                                            }
-                                            XmlTagKind::NewText => {
-                                                new_text = Some(content).filter(|s| !s.is_empty())
-                                            }
-                                            XmlTagKind::Description => {
-                                                description =
-                                                    Some(content).filter(|s| !s.is_empty())
-                                            }
-                                            _ => {}
-                                        }
-                                    }
-                                }
-                            }
-                        }
-                    }
-                }
-
-                patch.edits = edits.into();
-                pending_patch = Some(patch);
-            }
-        }
-
-        if let Some(mut pending_patch) = pending_patch {
-            let patch_start = pending_patch.range.start.to_offset(buffer);
-            if let Some(message) = self.message_for_offset(patch_start, cx) {
-                if message.anchor_range.end == text::Anchor::MAX {
-                    pending_patch.range.end = text::Anchor::MAX;
-                } else {
-                    let message_end = buffer.anchor_after(message.offset_range.end - 1);
-                    pending_patch.range.end = message_end;
-                }
-            } else {
-                pending_patch.range.end = text::Anchor::MAX;
-            }
-
-            new_patches.push(pending_patch);
-        }
-
-        new_patches
-    }
-
     pub fn pending_command_for_position(
         &mut self,
         position: language::Anchor,
@@ -2302,11 +1993,7 @@ impl AssistantContext {
         })
     }
 
-    pub fn assist(
-        &mut self,
-        request_type: RequestType,
-        cx: &mut Context<Self>,
-    ) -> Option<MessageAnchor> {
+    pub fn assist(&mut self, cx: &mut Context<Self>) -> Option<MessageAnchor> {
         let model_registry = LanguageModelRegistry::read_global(cx);
         let model = model_registry.default_model()?;
         let last_message_id = self.get_last_valid_message_id(cx)?;
@@ -2321,7 +2008,7 @@ impl AssistantContext {
         // Compute which messages to cache, including the last one.
         self.mark_cache_anchors(&model.cache_configuration(), false, cx);
 
-        let request = self.to_completion_request(request_type, cx);
+        let request = self.to_completion_request(Some(&model), cx);
 
         let assistant_message = self
             .insert_message_after(last_message_id, Role::Assistant, MessageStatus::Pending, cx)
@@ -2371,6 +2058,7 @@ impl AssistantContext {
                                     });
 
                                 match event {
+                                    LanguageModelCompletionEvent::StatusUpdate { .. } => {}
                                     LanguageModelCompletionEvent::StartMessage { .. } => {}
                                     LanguageModelCompletionEvent::Stop(reason) => {
                                         stop_reason = reason;
@@ -2428,8 +2116,8 @@ impl AssistantContext {
                                             cx,
                                         );
                                     }
-                                    LanguageModelCompletionEvent::ToolUse(_) => {}
-                                    LanguageModelCompletionEvent::UsageUpdate(_) => {}
+                                    LanguageModelCompletionEvent::ToolUse(_) |
+                                    LanguageModelCompletionEvent::UsageUpdate(_)  => {}
                                 }
                             });
 
@@ -2466,12 +2154,6 @@ impl AssistantContext {
                                 metadata.status = MessageStatus::Canceled;
                             });
                             Some(error.to_string())
-                        } else if error.is::<MaxMonthlySpendReachedError>() {
-                            cx.emit(ContextEvent::ShowMaxMonthlySpendReachedError);
-                            this.update_metadata(assistant_message_id, cx, |metadata| {
-                                metadata.status = MessageStatus::Canceled;
-                            });
-                            Some(error.to_string())
                         } else {
                             let error_message = error
                                 .chain()
@@ -2538,9 +2220,29 @@ impl AssistantContext {
         Some(user_message)
     }
 
+    pub fn to_xml(&self, cx: &App) -> String {
+        let mut output = String::new();
+        let buffer = self.buffer.read(cx);
+        for message in self.messages(cx) {
+            if message.status != MessageStatus::Done {
+                continue;
+            }
+
+            writeln!(&mut output, "<{}>", message.role).unwrap();
+            for chunk in buffer.text_for_range(message.offset_range) {
+                output.push_str(chunk);
+            }
+            if !output.ends_with('\n') {
+                output.push('\n');
+            }
+            writeln!(&mut output, "</{}>", message.role).unwrap();
+        }
+        output
+    }
+
     pub fn to_completion_request(
         &self,
-        request_type: RequestType,
+        model: Option<&Arc<dyn LanguageModel>>,
         cx: &App,
     ) -> LanguageModelRequest {
         let buffer = self.buffer.read(cx);
@@ -2562,8 +2264,10 @@ impl AssistantContext {
             mode: None,
             messages: Vec::new(),
             tools: Vec::new(),
+            tool_choice: None,
             stop: Vec::new(),
-            temperature: None,
+            temperature: model
+                .and_then(|model| AssistantSettings::temperature_for_model(model, cx)),
         };
         for message in self.messages(cx) {
             if message.status != MessageStatus::Done {
@@ -2619,25 +2323,6 @@ impl AssistantContext {
             }
         }
 
-        if let RequestType::SuggestEdits = request_type {
-            if let Ok(preamble) = self.prompt_builder.generate_suggest_edits_prompt() {
-                let last_elem_index = completion_request.messages.len();
-
-                completion_request
-                    .messages
-                    .push(LanguageModelRequestMessage {
-                        role: Role::User,
-                        content: vec![MessageContent::Text(preamble)],
-                        cache: false,
-                    });
-
-                // The preamble message should be sent right before the last actual user message.
-                completion_request
-                    .messages
-                    .swap(last_elem_index, last_elem_index.saturating_sub(1));
-            }
-        }
-
         completion_request
     }
 
@@ -2672,17 +2357,6 @@ impl AssistantContext {
                 ranges.push(message.anchor_range.clone());
             }
         }
-
-        let buffer = self.buffer.read(cx).text_snapshot();
-        let mut updated = Vec::new();
-        let mut removed = Vec::new();
-        for range in ranges {
-            self.reparse_patches_in_range(range, &buffer, &mut updated, &mut removed, cx);
-        }
-
-        if !updated.is_empty() || !removed.is_empty() {
-            cx.emit(ContextEvent::PatchesUpdated { removed, updated })
-        }
     }
 
     pub fn update_metadata(
@@ -2955,12 +2629,12 @@ impl AssistantContext {
             return;
         };
 
-        if replace_old || (self.message_anchors.len() >= 2 && self.summary.is_none()) {
+        if replace_old || (self.message_anchors.len() >= 2 && self.summary.is_pending()) {
             if !model.provider.is_authenticated(cx) {
                 return;
             }
 
-            let mut request = self.to_completion_request(RequestType::Chat, cx);
+            let mut request = self.to_completion_request(Some(&model.model), cx);
             request.messages.push(LanguageModelRequestMessage {
                 role: Role::User,
                 content: vec![
@@ -2972,17 +2646,20 @@ impl AssistantContext {
 
             // If there is no summary, it is set with `done: false` so that "Loading Summary…" can
             // be displayed.
-            if self.summary.is_none() {
-                self.summary = Some(ContextSummary {
-                    text: "".to_string(),
-                    done: false,
-                    timestamp: clock::Lamport::default(),
-                });
-                replace_old = true;
+            match self.summary {
+                ContextSummary::Pending | ContextSummary::Error => {
+                    self.summary = ContextSummary::Content(ContextSummaryContent {
+                        text: "".to_string(),
+                        done: false,
+                        timestamp: clock::Lamport::default(),
+                    });
+                    replace_old = true;
+                }
+                ContextSummary::Content(_) => {}
             }
 
             self.summary_task = cx.spawn(async move |this, cx| {
-                async move {
+                let result = async {
                     let stream = model.model.stream_completion_text(request, &cx);
                     let mut messages = stream.await?;
 
@@ -2993,7 +2670,7 @@ impl AssistantContext {
                         this.update(cx, |this, cx| {
                             let version = this.version.clone();
                             let timestamp = this.next_timestamp();
-                            let summary = this.summary.get_or_insert(ContextSummary::default());
+                            let summary = this.summary.content_or_set_empty();
                             if !replaced && replace_old {
                                 summary.text.clear();
                                 replaced = true;
@@ -3015,10 +2692,19 @@ impl AssistantContext {
                         }
                     }
 
+                    this.read_with(cx, |this, _cx| {
+                        if let Some(summary) = this.summary.content() {
+                            if summary.text.is_empty() {
+                                bail!("Model generated an empty summary");
+                            }
+                        }
+                        Ok(())
+                    })??;
+
                     this.update(cx, |this, cx| {
                         let version = this.version.clone();
                         let timestamp = this.next_timestamp();
-                        if let Some(summary) = this.summary.as_mut() {
+                        if let Some(summary) = this.summary.content_as_mut() {
                             summary.done = true;
                             summary.timestamp = timestamp;
                             let operation = ContextOperation::UpdateSummary {
@@ -3033,8 +2719,18 @@ impl AssistantContext {
 
                     anyhow::Ok(())
                 }
-                .log_err()
-                .await
+                .await;
+
+                if let Err(err) = result {
+                    this.update(cx, |this, cx| {
+                        this.summary = ContextSummary::Error;
+                        cx.emit(ContextEvent::SummaryChanged);
+                    })
+                    .log_err();
+                    log::error!("Error generating context summary: {}", err);
+                }
+
+                Some(())
             });
         }
     }
@@ -3148,7 +2844,7 @@ impl AssistantContext {
 
             let (old_path, summary) = this.read_with(cx, |this, _| {
                 let path = this.path.clone();
-                let summary = if let Some(summary) = this.summary.as_ref() {
+                let summary = if let Some(summary) = this.summary.content() {
                     if summary.done {
                         Some(summary.text.clone())
                     } else {
@@ -3202,39 +2898,12 @@ impl AssistantContext {
 
     pub fn set_custom_summary(&mut self, custom_summary: String, cx: &mut Context<Self>) {
         let timestamp = self.next_timestamp();
-        let summary = self.summary.get_or_insert(ContextSummary::default());
+        let summary = self.summary.content_or_set_empty();
         summary.timestamp = timestamp;
         summary.done = true;
         summary.text = custom_summary;
         cx.emit(ContextEvent::SummaryChanged);
     }
-
-    pub const DEFAULT_SUMMARY: SharedString = SharedString::new_static("New Text Thread");
-
-    pub fn summary_or_default(&self) -> SharedString {
-        self.summary
-            .as_ref()
-            .map(|summary| summary.text.clone().into())
-            .unwrap_or(Self::DEFAULT_SUMMARY)
-    }
-}
-
-fn trimmed_text_in_range(buffer: &BufferSnapshot, range: Range<text::Anchor>) -> String {
-    let mut is_start = true;
-    let mut content = buffer
-        .text_for_range(range)
-        .map(|mut chunk| {
-            if is_start {
-                chunk = chunk.trim_start_matches('\n');
-                if !chunk.is_empty() {
-                    is_start = false;
-                }
-            }
-            chunk
-        })
-        .collect::<String>();
-    content.truncate(content.trim_end().len());
-    content
 }
 
 #[derive(Debug, Default)]
@@ -3342,7 +3011,7 @@ impl SavedContext {
         let saved_context_json = serde_json::from_str::<serde_json::Value>(json)?;
         match saved_context_json
             .get("version")
-            .ok_or_else(|| anyhow!("version not found"))?
+            .context("version not found")?
         {
             serde_json::Value::String(version) => match version.as_str() {
                 SavedContext::VERSION => {
@@ -3363,9 +3032,9 @@ impl SavedContext {
                         serde_json::from_value::<SavedContextV0_1_0>(saved_context_json)?;
                     Ok(saved_context.upgrade())
                 }
-                _ => Err(anyhow!("unrecognized saved context version: {}", version)),
+                _ => anyhow::bail!("unrecognized saved context version: {version:?}"),
             },
-            _ => Err(anyhow!("version not found on saved context")),
+            _ => anyhow::bail!("version not found on saved context"),
         }
     }
 
@@ -3450,7 +3119,7 @@ impl SavedContext {
 
         let timestamp = next_timestamp.tick();
         operations.push(ContextOperation::UpdateSummary {
-            summary: ContextSummary {
+            summary: ContextSummaryContent {
                 text: self.summary,
                 done: true,
                 timestamp,

crates/assistant_context_editor/src/context/context_tests.rs

@@ -1,6 +1,6 @@
 use crate::{
-    AssistantContext, AssistantEdit, AssistantEditKind, CacheStatus, ContextEvent, ContextId,
-    ContextOperation, InvokedSlashCommandId, MessageCacheMetadata, MessageId, MessageStatus,
+    AssistantContext, CacheStatus, ContextEvent, ContextId, ContextOperation, ContextSummary,
+    InvokedSlashCommandId, MessageCacheMetadata, MessageId, MessageStatus,
 };
 use anyhow::Result;
 use assistant_slash_command::{
@@ -16,7 +16,10 @@ use futures::{
 };
 use gpui::{App, Entity, SharedString, Task, TestAppContext, WeakEntity, prelude::*};
 use language::{Buffer, BufferSnapshot, LanguageRegistry, LspAdapterDelegate};
-use language_model::{LanguageModelCacheConfiguration, LanguageModelRegistry, Role};
+use language_model::{
+    ConfiguredModel, LanguageModelCacheConfiguration, LanguageModelRegistry, Role,
+    fake_provider::{FakeLanguageModel, FakeLanguageModelProvider},
+};
 use parking_lot::Mutex;
 use pretty_assertions::assert_eq;
 use project::Project;
@@ -32,20 +35,16 @@ use std::{
     rc::Rc,
     sync::{Arc, atomic::AtomicBool},
 };
-use text::{OffsetRangeExt as _, ReplicaId, ToOffset, network::Network};
+use text::{ReplicaId, ToOffset, network::Network};
 use ui::{IconName, Window};
 use unindent::Unindent;
-use util::{
-    RandomCharIter,
-    test::{generate_marked_text, marked_text_ranges},
-};
+use util::RandomCharIter;
 use workspace::Workspace;
 
 #[gpui::test]
 fn test_inserting_and_removing_messages(cx: &mut App) {
-    let settings_store = SettingsStore::test(cx);
-    LanguageModelRegistry::test(cx);
-    cx.set_global(settings_store);
+    init_test(cx);
+
     let registry = Arc::new(LanguageRegistry::test(cx.background_executor().clone()));
     let prompt_builder = Arc::new(PromptBuilder::new(None).unwrap());
     let context = cx.new(|cx| {
@@ -182,9 +181,8 @@ fn test_inserting_and_removing_messages(cx: &mut App) {
 
 #[gpui::test]
 fn test_message_splitting(cx: &mut App) {
-    let settings_store = SettingsStore::test(cx);
-    cx.set_global(settings_store);
-    LanguageModelRegistry::test(cx);
+    init_test(cx);
+
     let registry = Arc::new(LanguageRegistry::test(cx.background_executor().clone()));
 
     let prompt_builder = Arc::new(PromptBuilder::new(None).unwrap());
@@ -285,9 +283,8 @@ fn test_message_splitting(cx: &mut App) {
 
 #[gpui::test]
 fn test_messages_for_offsets(cx: &mut App) {
-    let settings_store = SettingsStore::test(cx);
-    LanguageModelRegistry::test(cx);
-    cx.set_global(settings_store);
+    init_test(cx);
+
     let registry = Arc::new(LanguageRegistry::test(cx.background_executor().clone()));
     let prompt_builder = Arc::new(PromptBuilder::new(None).unwrap());
     let context = cx.new(|cx| {
@@ -378,10 +375,8 @@ fn test_messages_for_offsets(cx: &mut App) {
 
 #[gpui::test]
 async fn test_slash_commands(cx: &mut TestAppContext) {
-    let settings_store = cx.update(SettingsStore::test);
-    cx.set_global(settings_store);
-    cx.update(LanguageModelRegistry::test);
-    cx.update(Project::init_settings);
+    cx.update(init_test);
+
     let fs = FakeFs::new(cx.background_executor.clone());
 
     fs.insert_tree(
@@ -669,409 +664,10 @@ async fn test_slash_commands(cx: &mut TestAppContext) {
     }
 }
 
-#[gpui::test]
-async fn test_workflow_step_parsing(cx: &mut TestAppContext) {
-    cx.update(prompt_store::init);
-    let mut settings_store = cx.update(SettingsStore::test);
-    cx.update(|cx| {
-        settings_store
-            .set_user_settings(
-                r#"{ "assistant": { "enable_experimental_live_diffs": true } }"#,
-                cx,
-            )
-            .unwrap()
-    });
-    cx.set_global(settings_store);
-    cx.update(language::init);
-    cx.update(Project::init_settings);
-    let fs = FakeFs::new(cx.executor());
-    let project = Project::test(fs, [Path::new("/root")], cx).await;
-    cx.update(LanguageModelRegistry::test);
-
-    let registry = Arc::new(LanguageRegistry::test(cx.executor()));
-
-    // Create a new context
-    let prompt_builder = Arc::new(PromptBuilder::new(None).unwrap());
-    let context = cx.new(|cx| {
-        AssistantContext::local(
-            registry.clone(),
-            Some(project),
-            None,
-            prompt_builder.clone(),
-            Arc::new(SlashCommandWorkingSet::default()),
-            cx,
-        )
-    });
-
-    // Insert an assistant message to simulate a response.
-    let assistant_message_id = context.update(cx, |context, cx| {
-        let user_message_id = context.messages(cx).next().unwrap().id;
-        context
-            .insert_message_after(user_message_id, Role::Assistant, MessageStatus::Done, cx)
-            .unwrap()
-            .id
-    });
-
-    // No edit tags
-    edit(
-        &context,
-        "
-
-        «one
-        two
-        »",
-        cx,
-    );
-    expect_patches(
-        &context,
-        "
-
-        one
-        two
-        ",
-        &[],
-        cx,
-    );
-
-    // Partial edit step tag is added
-    edit(
-        &context,
-        "
-
-        one
-        two
-        «
-        <patch»",
-        cx,
-    );
-    expect_patches(
-        &context,
-        "
-
-        one
-        two
-
-        <patch",
-        &[],
-        cx,
-    );
-
-    // The rest of the step tag is added. The unclosed
-    // step is treated as incomplete.
-    edit(
-        &context,
-        "
-
-        one
-        two
-
-        <patch«>
-        <edit>»",
-        cx,
-    );
-    expect_patches(
-        &context,
-        "
-
-        one
-        two
-
-        «<patch>
-        <edit>»",
-        &[&[]],
-        cx,
-    );
-
-    // The full patch is added
-    edit(
-        &context,
-        "
-
-        one
-        two
-
-        <patch>
-        <edit>«
-        <description>add a `two` function</description>
-        <path>src/lib.rs</path>
-        <operation>insert_after</operation>
-        <old_text>fn one</old_text>
-        <new_text>
-        fn two() {}
-        </new_text>
-        </edit>
-        </patch>
-
-        also,»",
-        cx,
-    );
-    expect_patches(
-        &context,
-        "
-
-        one
-        two
-
-        «<patch>
-        <edit>
-        <description>add a `two` function</description>
-        <path>src/lib.rs</path>
-        <operation>insert_after</operation>
-        <old_text>fn one</old_text>
-        <new_text>
-        fn two() {}
-        </new_text>
-        </edit>
-        </patch>
-        »
-        also,",
-        &[&[AssistantEdit {
-            path: "src/lib.rs".into(),
-            kind: AssistantEditKind::InsertAfter {
-                old_text: "fn one".into(),
-                new_text: "fn two() {}".into(),
-                description: Some("add a `two` function".into()),
-            },
-        }]],
-        cx,
-    );
-
-    // The step is manually edited.
-    edit(
-        &context,
-        "
-
-        one
-        two
-
-        <patch>
-        <edit>
-        <description>add a `two` function</description>
-        <path>src/lib.rs</path>
-        <operation>insert_after</operation>
-        <old_text>«fn zero»</old_text>
-        <new_text>
-        fn two() {}
-        </new_text>
-        </edit>
-        </patch>
-
-        also,",
-        cx,
-    );
-    expect_patches(
-        &context,
-        "
-
-        one
-        two
-
-        «<patch>
-        <edit>
-        <description>add a `two` function</description>
-        <path>src/lib.rs</path>
-        <operation>insert_after</operation>
-        <old_text>fn zero</old_text>
-        <new_text>
-        fn two() {}
-        </new_text>
-        </edit>
-        </patch>
-        »
-        also,",
-        &[&[AssistantEdit {
-            path: "src/lib.rs".into(),
-            kind: AssistantEditKind::InsertAfter {
-                old_text: "fn zero".into(),
-                new_text: "fn two() {}".into(),
-                description: Some("add a `two` function".into()),
-            },
-        }]],
-        cx,
-    );
-
-    // When setting the message role to User, the steps are cleared.
-    context.update(cx, |context, cx| {
-        context.cycle_message_roles(HashSet::from_iter([assistant_message_id]), cx);
-        context.cycle_message_roles(HashSet::from_iter([assistant_message_id]), cx);
-    });
-    expect_patches(
-        &context,
-        "
-
-        one
-        two
-
-        <patch>
-        <edit>
-        <description>add a `two` function</description>
-        <path>src/lib.rs</path>
-        <operation>insert_after</operation>
-        <old_text>fn zero</old_text>
-        <new_text>
-        fn two() {}
-        </new_text>
-        </edit>
-        </patch>
-
-        also,",
-        &[],
-        cx,
-    );
-
-    // When setting the message role back to Assistant, the steps are reparsed.
-    context.update(cx, |context, cx| {
-        context.cycle_message_roles(HashSet::from_iter([assistant_message_id]), cx);
-    });
-    expect_patches(
-        &context,
-        "
-
-        one
-        two
-
-        «<patch>
-        <edit>
-        <description>add a `two` function</description>
-        <path>src/lib.rs</path>
-        <operation>insert_after</operation>
-        <old_text>fn zero</old_text>
-        <new_text>
-        fn two() {}
-        </new_text>
-        </edit>
-        </patch>
-        »
-        also,",
-        &[&[AssistantEdit {
-            path: "src/lib.rs".into(),
-            kind: AssistantEditKind::InsertAfter {
-                old_text: "fn zero".into(),
-                new_text: "fn two() {}".into(),
-                description: Some("add a `two` function".into()),
-            },
-        }]],
-        cx,
-    );
-
-    // Ensure steps are re-parsed when deserializing.
-    let serialized_context = context.read_with(cx, |context, cx| context.serialize(cx));
-    let deserialized_context = cx.new(|cx| {
-        AssistantContext::deserialize(
-            serialized_context,
-            Path::new("").into(),
-            registry.clone(),
-            prompt_builder.clone(),
-            Arc::new(SlashCommandWorkingSet::default()),
-            None,
-            None,
-            cx,
-        )
-    });
-    expect_patches(
-        &deserialized_context,
-        "
-
-        one
-        two
-
-        «<patch>
-        <edit>
-        <description>add a `two` function</description>
-        <path>src/lib.rs</path>
-        <operation>insert_after</operation>
-        <old_text>fn zero</old_text>
-        <new_text>
-        fn two() {}
-        </new_text>
-        </edit>
-        </patch>
-        »
-        also,",
-        &[&[AssistantEdit {
-            path: "src/lib.rs".into(),
-            kind: AssistantEditKind::InsertAfter {
-                old_text: "fn zero".into(),
-                new_text: "fn two() {}".into(),
-                description: Some("add a `two` function".into()),
-            },
-        }]],
-        cx,
-    );
-
-    fn edit(
-        context: &Entity<AssistantContext>,
-        new_text_marked_with_edits: &str,
-        cx: &mut TestAppContext,
-    ) {
-        context.update(cx, |context, cx| {
-            context.buffer.update(cx, |buffer, cx| {
-                buffer.edit_via_marked_text(&new_text_marked_with_edits.unindent(), None, cx);
-            });
-        });
-        cx.executor().run_until_parked();
-    }
-
-    #[track_caller]
-    fn expect_patches(
-        context: &Entity<AssistantContext>,
-        expected_marked_text: &str,
-        expected_suggestions: &[&[AssistantEdit]],
-        cx: &mut TestAppContext,
-    ) {
-        let expected_marked_text = expected_marked_text.unindent();
-        let (expected_text, _) = marked_text_ranges(&expected_marked_text, false);
-
-        let (buffer_text, ranges, patches) = context.update(cx, |context, cx| {
-            context.buffer.read_with(cx, |buffer, _| {
-                let ranges = context
-                    .patches
-                    .iter()
-                    .map(|entry| entry.range.to_offset(buffer))
-                    .collect::<Vec<_>>();
-                (
-                    buffer.text(),
-                    ranges,
-                    context
-                        .patches
-                        .iter()
-                        .map(|step| step.edits.clone())
-                        .collect::<Vec<_>>(),
-                )
-            })
-        });
-
-        assert_eq!(buffer_text, expected_text);
-
-        let actual_marked_text = generate_marked_text(&expected_text, &ranges, false);
-        assert_eq!(actual_marked_text, expected_marked_text);
-
-        assert_eq!(
-            patches
-                .iter()
-                .map(|patch| {
-                    patch
-                        .iter()
-                        .map(|edit| {
-                            let edit = edit.as_ref().unwrap();
-                            AssistantEdit {
-                                path: edit.path.clone(),
-                                kind: edit.kind.clone(),
-                            }
-                        })
-                        .collect::<Vec<_>>()
-                })
-                .collect::<Vec<_>>(),
-            expected_suggestions
-        );
-    }
-}
-
 #[gpui::test]
 async fn test_serialization(cx: &mut TestAppContext) {
-    let settings_store = cx.update(SettingsStore::test);
-    cx.set_global(settings_store);
-    cx.update(LanguageModelRegistry::test);
+    cx.update(init_test);
+
     let registry = Arc::new(LanguageRegistry::test(cx.executor()));
     let prompt_builder = Arc::new(PromptBuilder::new(None).unwrap());
     let context = cx.new(|cx| {
@@ -1147,6 +743,8 @@ async fn test_serialization(cx: &mut TestAppContext) {
 
 #[gpui::test(iterations = 100)]
 async fn test_random_context_collaboration(cx: &mut TestAppContext, mut rng: StdRng) {
+    cx.update(init_test);
+
     let min_peers = env::var("MIN_PEERS")
         .map(|i| i.parse().expect("invalid `MIN_PEERS` variable"))
         .unwrap_or(2);
@@ -1157,10 +755,6 @@ async fn test_random_context_collaboration(cx: &mut TestAppContext, mut rng: Std
         .map(|i| i.parse().expect("invalid `OPERATIONS` variable"))
         .unwrap_or(50);
 
-    let settings_store = cx.update(SettingsStore::test);
-    cx.set_global(settings_store);
-    cx.update(LanguageModelRegistry::test);
-
     let slash_commands = cx.update(SlashCommandRegistry::default_global);
     slash_commands.register_command(FakeSlashCommand("cmd-1".into()), false);
     slash_commands.register_command(FakeSlashCommand("cmd-2".into()), false);
@@ -1429,9 +1023,8 @@ async fn test_random_context_collaboration(cx: &mut TestAppContext, mut rng: Std
 
 #[gpui::test]
 fn test_mark_cache_anchors(cx: &mut App) {
-    let settings_store = SettingsStore::test(cx);
-    LanguageModelRegistry::test(cx);
-    cx.set_global(settings_store);
+    init_test(cx);
+
     let registry = Arc::new(LanguageRegistry::test(cx.background_executor().clone()));
     let prompt_builder = Arc::new(PromptBuilder::new(None).unwrap());
     let context = cx.new(|cx| {
@@ -1587,6 +1180,187 @@ fn test_mark_cache_anchors(cx: &mut App) {
     );
 }
 
+#[gpui::test]
+async fn test_summarization(cx: &mut TestAppContext) {
+    let (context, fake_model) = setup_context_editor_with_fake_model(cx);
+
+    // Initial state should be pending
+    context.read_with(cx, |context, _| {
+        assert!(matches!(context.summary(), ContextSummary::Pending));
+        assert_eq!(context.summary().or_default(), ContextSummary::DEFAULT);
+    });
+
+    let message_1 = context.read_with(cx, |context, _cx| context.message_anchors[0].clone());
+    context.update(cx, |context, cx| {
+        context
+            .insert_message_after(message_1.id, Role::Assistant, MessageStatus::Done, cx)
+            .unwrap();
+    });
+
+    // Send a message
+    context.update(cx, |context, cx| {
+        context.assist(cx);
+    });
+
+    simulate_successful_response(&fake_model, cx);
+
+    // Should start generating summary when there are >= 2 messages
+    context.read_with(cx, |context, _| {
+        assert!(!context.summary().content().unwrap().done);
+    });
+
+    cx.run_until_parked();
+    fake_model.stream_last_completion_response("Brief".into());
+    fake_model.stream_last_completion_response(" Introduction".into());
+    fake_model.end_last_completion_stream();
+    cx.run_until_parked();
+
+    // Summary should be set
+    context.read_with(cx, |context, _| {
+        assert_eq!(context.summary().or_default(), "Brief Introduction");
+    });
+
+    // We should be able to manually set a summary
+    context.update(cx, |context, cx| {
+        context.set_custom_summary("Brief Intro".into(), cx);
+    });
+
+    context.read_with(cx, |context, _| {
+        assert_eq!(context.summary().or_default(), "Brief Intro");
+    });
+}
+
+#[gpui::test]
+async fn test_thread_summary_error_set_manually(cx: &mut TestAppContext) {
+    let (context, fake_model) = setup_context_editor_with_fake_model(cx);
+
+    test_summarize_error(&fake_model, &context, cx);
+
+    // Now we should be able to set a summary
+    context.update(cx, |context, cx| {
+        context.set_custom_summary("Brief Intro".into(), cx);
+    });
+
+    context.read_with(cx, |context, _| {
+        assert_eq!(context.summary().or_default(), "Brief Intro");
+    });
+}
+
+#[gpui::test]
+async fn test_thread_summary_error_retry(cx: &mut TestAppContext) {
+    let (context, fake_model) = setup_context_editor_with_fake_model(cx);
+
+    test_summarize_error(&fake_model, &context, cx);
+
+    // Sending another message should not trigger another summarize request
+    context.update(cx, |context, cx| {
+        context.assist(cx);
+    });
+
+    simulate_successful_response(&fake_model, cx);
+
+    context.read_with(cx, |context, _| {
+        // State is still Error, not Generating
+        assert!(matches!(context.summary(), ContextSummary::Error));
+    });
+
+    // But the summarize request can be invoked manually
+    context.update(cx, |context, cx| {
+        context.summarize(true, cx);
+    });
+
+    context.read_with(cx, |context, _| {
+        assert!(!context.summary().content().unwrap().done);
+    });
+
+    cx.run_until_parked();
+    fake_model.stream_last_completion_response("A successful summary".into());
+    fake_model.end_last_completion_stream();
+    cx.run_until_parked();
+
+    context.read_with(cx, |context, _| {
+        assert_eq!(context.summary().or_default(), "A successful summary");
+    });
+}
+
+fn test_summarize_error(
+    model: &Arc<FakeLanguageModel>,
+    context: &Entity<AssistantContext>,
+    cx: &mut TestAppContext,
+) {
+    let message_1 = context.read_with(cx, |context, _cx| context.message_anchors[0].clone());
+    context.update(cx, |context, cx| {
+        context
+            .insert_message_after(message_1.id, Role::Assistant, MessageStatus::Done, cx)
+            .unwrap();
+    });
+
+    // Send a message
+    context.update(cx, |context, cx| {
+        context.assist(cx);
+    });
+
+    simulate_successful_response(&model, cx);
+
+    context.read_with(cx, |context, _| {
+        assert!(!context.summary().content().unwrap().done);
+    });
+
+    // Simulate summary request ending
+    cx.run_until_parked();
+    model.end_last_completion_stream();
+    cx.run_until_parked();
+
+    // State is set to Error and default message
+    context.read_with(cx, |context, _| {
+        assert_eq!(*context.summary(), ContextSummary::Error);
+        assert_eq!(context.summary().or_default(), ContextSummary::DEFAULT);
+    });
+}
+
+fn setup_context_editor_with_fake_model(
+    cx: &mut TestAppContext,
+) -> (Entity<AssistantContext>, Arc<FakeLanguageModel>) {
+    let registry = Arc::new(LanguageRegistry::test(cx.executor().clone()));
+
+    let fake_provider = Arc::new(FakeLanguageModelProvider);
+    let fake_model = Arc::new(fake_provider.test_model());
+
+    cx.update(|cx| {
+        init_test(cx);
+        LanguageModelRegistry::global(cx).update(cx, |registry, cx| {
+            registry.set_default_model(
+                Some(ConfiguredModel {
+                    provider: fake_provider.clone(),
+                    model: fake_model.clone(),
+                }),
+                cx,
+            )
+        })
+    });
+
+    let prompt_builder = Arc::new(PromptBuilder::new(None).unwrap());
+    let context = cx.new(|cx| {
+        AssistantContext::local(
+            registry,
+            None,
+            None,
+            prompt_builder.clone(),
+            Arc::new(SlashCommandWorkingSet::default()),
+            cx,
+        )
+    });
+
+    (context, fake_model)
+}
+
+fn simulate_successful_response(fake_model: &FakeLanguageModel, cx: &mut TestAppContext) {
+    cx.run_until_parked();
+    fake_model.stream_last_completion_response("Assistant response".into());
+    fake_model.end_last_completion_stream();
+    cx.run_until_parked();
+}
+
 fn messages(context: &Entity<AssistantContext>, cx: &App) -> Vec<(MessageId, Role, Range<usize>)> {
     context
         .read(cx)
@@ -1606,6 +1380,16 @@ fn messages_cache(
         .collect()
 }
 
+fn init_test(cx: &mut App) {
+    let settings_store = SettingsStore::test(cx);
+    prompt_store::init(cx);
+    LanguageModelRegistry::test(cx);
+    cx.set_global(settings_store);
+    language::init(cx);
+    assistant_settings::init(cx);
+    Project::init_settings(cx);
+}
+
 #[derive(Clone)]
 struct FakeSlashCommand(String);