zed 0.185.7

While investigating https://github.com/zed-industries/zed/issues/28076,
I found out often times the content type header of a website comes with
more data, such as the `charset`. So instead of doing an equal
comparison, I changed to a `starts_with`.

You can see an example here:

```shell
$ curl -sS -D - https://github.com/zed-industries/zed/blob/main/Cargo.toml -o /dev/null | head -n 10
HTTP/2 200
date: Sun, 20 Apr 2025 10:19:52 GMT
content-type: text/html; charset=utf-8
vary: X-PJAX, X-PJAX-Container, Turbo-Visit, Turbo-Frame,Accept-Encoding, Accept, X-Requested-With
etag: W/"92dabf048b34d04a1b1d94e29cae4aca"
cache-control: max-age=0, private, must-revalidate
strict-transport-security: max-age=31536000; includeSubdomains; preload
x-frame-options: deny
x-content-type-options: nosniff
x-xss-protection: 0
```

Release Notes:

- Improved Content Type matching of `/fetch` commands in Assistant

Co-authored-by: Peter Tripp <peter@zed.dev>

Cargo.lock

@@ -79,7 +79,6 @@ dependencies = [
  "heed",
  "html_to_markdown",
  "http_client",
- "indexmap",
  "indoc",
  "itertools 0.14.0",
  "jsonschema",
@@ -107,6 +106,7 @@ dependencies = [
  "rope",
  "rules_library",
  "schemars",
+ "search",
  "serde",
  "serde_json",
  "serde_json_lenient",
@@ -125,6 +125,7 @@ dependencies = [
  "time_format",
  "ui",
  "ui_input",
+ "urlencoding",
  "util",
  "uuid",
  "workspace",
@@ -484,7 +485,6 @@ dependencies = [
  "client",
  "collections",
  "command_palette_hooks",
- "context_server",
  "ctor",
  "db",
  "editor",
@@ -736,7 +736,10 @@ dependencies = [
  "language_model",
  "language_models",
  "linkme",
+ "log",
  "open",
+ "paths",
+ "portable-pty",
  "pretty_assertions",
  "project",
  "rand 0.8.5",
@@ -754,14 +757,17 @@ dependencies = [
  "tempfile",
  "terminal",
  "terminal_view",
+ "theme",
  "tree-sitter-rust",
  "ui",
  "unindent",
  "util",
  "web_search",
+ "which 6.0.3",
  "workspace",
  "workspace-hack",
  "zed_llm_client",
+ "zlog",
 ]
 
 [[package]]
@@ -3246,6 +3252,7 @@ dependencies = [
  "collections",
  "component",
  "db",
+ "futures 0.3.31",
  "gpui",
  "languages",
  "log",
@@ -3255,6 +3262,7 @@ dependencies = [
  "serde",
  "ui",
  "ui_input",
+ "util",
  "workspace",
  "workspace-hack",
 ]
@@ -3324,40 +3332,19 @@ name = "context_server"
 version = "0.1.0"
 dependencies = [
  "anyhow",
- "assistant_tool",
  "async-trait",
  "collections",
- "command_palette_hooks",
- "context_server_settings",
- "extension",
  "futures 0.3.31",
  "gpui",
- "icons",
- "language_model",
  "log",
  "parking_lot",
  "postage",
- "project",
- "serde",
- "serde_json",
- "settings",
- "smol",
- "url",
- "util",
- "workspace-hack",
-]
-
-[[package]]
-name = "context_server_settings"
-version = "0.1.0"
-dependencies = [
- "anyhow",
- "collections",
- "gpui",
  "schemars",
  "serde",
  "serde_json",
- "settings",
+ "smol",
+ "url",
+ "util",
  "workspace-hack",
 ]
 
@@ -3991,7 +3978,7 @@ version = "3.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "697b5419f348fd5ae2478e8018cb016c00a5881c7f46c717de98ffd135a5651c"
 dependencies = [
- "nix",
+ "nix 0.29.0",
  "windows-sys 0.59.0",
 ]
 
@@ -5014,6 +5001,7 @@ version = "0.1.0"
 dependencies = [
  "agent",
  "anyhow",
+ "assistant_settings",
  "assistant_tool",
  "assistant_tools",
  "async-trait",
@@ -5023,7 +5011,6 @@ dependencies = [
  "clap",
  "client",
  "collections",
- "context_server",
  "dirs 4.0.0",
  "dotenv",
  "env_logger 0.11.8",
@@ -5176,7 +5163,6 @@ dependencies = [
  "async-trait",
  "client",
  "collections",
- "context_server_settings",
  "ctor",
  "env_logger 0.11.8",
  "extension",
@@ -7309,6 +7295,7 @@ dependencies = [
  "lsp",
  "paths",
  "project",
+ "proto",
  "regex",
  "serde_json",
  "settings",
@@ -7316,6 +7303,7 @@ dependencies = [
  "telemetry",
  "theme",
  "ui",
+ "util",
  "workspace",
  "workspace-hack",
  "zed_actions",
@@ -9074,6 +9062,18 @@ version = "1.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "650eef8c711430f1a879fdd01d4745a7deea475becfb90269c06775983bbf086"
 
+[[package]]
+name = "nix"
+version = "0.28.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ab2156c4fce2f8df6c499cc1c763e4394b7482525bf2a9701c9d79d215f519e4"
+dependencies = [
+ "bitflags 2.9.0",
+ "cfg-if",
+ "cfg_aliases 0.1.1",
+ "libc",
+]
+
 [[package]]
 name = "nix"
 version = "0.29.0"
@@ -10897,6 +10897,27 @@ dependencies = [
  "portable-atomic",
 ]
 
+[[package]]
+name = "portable-pty"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4a596a2b3d2752d94f51fac2d4a96737b8705dddd311a32b9af47211f08671e"
+dependencies = [
+ "anyhow",
+ "bitflags 1.3.2",
+ "downcast-rs",
+ "filedescriptor",
+ "lazy_static",
+ "libc",
+ "log",
+ "nix 0.28.0",
+ "serial2",
+ "shared_library",
+ "shell-words",
+ "winapi",
+ "winreg 0.10.1",
+]
+
 [[package]]
 name = "postage"
 version = "0.5.0"
@@ -11072,6 +11093,7 @@ dependencies = [
  "client",
  "clock",
  "collections",
+ "context_server",
  "dap",
  "dap_adapters",
  "env_logger 0.11.8",
@@ -13308,6 +13330,17 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "serial2"
+version = "0.2.29"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c7d1d08630509d69f90eff4afcd02c3bd974d979225cbd815ff5942351b14375"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "winapi",
+]
+
 [[package]]
 name = "session"
 version = "0.1.0"
@@ -13408,6 +13441,16 @@ dependencies = [
  "lazy_static",
 ]
 
+[[package]]
+name = "shared_library"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a9e7e0f2bfae24d8a5b5a66c5b257a83c7412304311512a0c054cd5e619da11"
+dependencies = [
+ "lazy_static",
+ "libc",
+]
+
 [[package]]
 name = "shell-words"
 version = "1.1.0"
@@ -17758,6 +17801,15 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "winreg"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "80d0f4e272c85def139476380b12f9ac60926689dd2e01d4923222f40580869d"
+dependencies = [
+ "winapi",
+]
+
 [[package]]
 name = "winreg"
 version = "0.50.0"
@@ -18088,7 +18140,6 @@ dependencies = [
  "component",
  "dap",
  "db",
- "derive_more",
  "env_logger 0.11.8",
  "fs",
  "futures 0.3.31",
@@ -18211,7 +18262,7 @@ dependencies = [
  "miniz_oxide",
  "mio",
  "naga",
- "nix",
+ "nix 0.29.0",
  "nom",
  "num-bigint",
  "num-bigint-dig",
@@ -18588,7 +18639,7 @@ dependencies = [
  "futures-core",
  "futures-lite 2.6.0",
  "hex",
- "nix",
+ "nix 0.29.0",
  "ordered-stream",
  "serde",
  "serde_repr",
@@ -18632,7 +18683,7 @@ dependencies = [
 
 [[package]]
 name = "zed"
-version = "0.185.4"
+version = "0.185.7"
 dependencies = [
  "activity_indicator",
  "agent",
@@ -18701,7 +18752,7 @@ dependencies = [
  "menu",
  "migrator",
  "mimalloc",
- "nix",
+ "nix 0.29.0",
  "node_runtime",
  "notifications",
  "outline",
@@ -18822,9 +18873,9 @@ dependencies = [
 
 [[package]]
 name = "zed_llm_client"
-version = "0.7.1"
+version = "0.7.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cc9ec491b7112cb8c2fba3c17d9a349d8ab695fb1a4ef6c5c4b9fd8d7aa975c1"
+checksum = "6fe0d60001c02d0d21a4114a13bee3a905fbb9e146ada80a90435c05fda18852"
 dependencies = [
  "anyhow",
  "serde",

Cargo.toml

@@ -34,7 +34,6 @@ members = [
     "crates/component",
     "crates/component_preview",
     "crates/context_server",
-    "crates/context_server_settings",
     "crates/copilot",
     "crates/credentials_provider",
     "crates/dap",
@@ -243,7 +242,6 @@ command_palette_hooks = { path = "crates/command_palette_hooks" }
 component = { path = "crates/component" }
 component_preview = { path = "crates/component_preview" }
 context_server = { path = "crates/context_server" }
-context_server_settings = { path = "crates/context_server_settings" }
 copilot = { path = "crates/copilot" }
 credentials_provider = { path = "crates/credentials_provider" }
 dap = { path = "crates/dap" }
@@ -493,6 +491,7 @@ 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"
@@ -610,7 +609,7 @@ wasmtime-wasi = "29"
 which = "6.0.0"
 wit-component = "0.221"
 workspace-hack = "0.1.0"
-zed_llm_client = "0.7.1"
+zed_llm_client = "0.7.5"
 zstd = "0.11"
 
 [workspace.dependencies.async-stripe]

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"/>
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+<path d="M4.5 7H2" stroke="black" stroke-width="1.33" stroke-linecap="round" stroke-linejoin="round"/>
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+<path d="M7 11.5V9" stroke="black" stroke-width="1.33" stroke-linecap="round" stroke-linejoin="round"/>
+</svg>

assets/icons/list_collapse.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-list-collapse-icon lucide-list-collapse"><path d="m3 10 2.5-2.5L3 5"/><path d="m3 19 2.5-2.5L3 14"/><path d="M10 6h11"/><path d="M10 12h11"/><path d="M10 18h11"/></svg>

assets/icons/scissors.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-scissors-icon lucide-scissors"><circle cx="6" cy="6" r="3"/><path d="M8.12 8.12 12 12"/><path d="M20 4 8.12 15.88"/><circle cx="6" cy="18" r="3"/><path d="M14.8 14.8 20 20"/></svg>

assets/images/ai_grid.svg

@@ -0,0 +1,334 @@
+<svg width="400" height="92" viewBox="0 0 400 92" fill="none" xmlns="http://www.w3.org/2000/svg">
+<g clip-path="url(#clip0_2501_1466)">
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+<rect width="16" height="16" fill="white" transform="translate(288.465 27.9891) rotate(2.5)"/>
+</clipPath>
+</defs>
+</svg>

assets/images/grid.svg

@@ -0,0 +1,153 @@
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+<g clip-path="url(#clip0_2500_1167)">
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assets/keymaps/default-linux.json

@@ -194,6 +194,16 @@
       "alt-shift-y": "git::UnstageAndNext"
     }
   },
+  {
+    "context": "Editor && editor_agent_diff",
+    "bindings": {
+      "ctrl-y": "agent::Keep",
+      "ctrl-n": "agent::Reject",
+      "ctrl-shift-y": "agent::KeepAll",
+      "ctrl-shift-n": "agent::RejectAll",
+      "shift-ctrl-r": "agent::OpenAgentDiff"
+    }
+  },
   {
     "context": "AgentDiff",
     "bindings": {
@@ -210,9 +220,9 @@
       "ctrl-shift-e": "project_panel::ToggleFocus",
       "ctrl-g": "search::SelectNextMatch",
       "ctrl-shift-g": "search::SelectPreviousMatch",
-      "ctrl-alt-/": "assistant::ToggleModelSelector",
+      "ctrl-alt-/": "agent::ToggleModelSelector",
       "ctrl-k h": "assistant::DeployHistory",
-      "ctrl-k l": "assistant::OpenRulesLibrary",
+      "ctrl-k l": "agent::OpenRulesLibrary",
       "new": "assistant::NewChat",
       "ctrl-t": "assistant::NewChat",
       "ctrl-n": "assistant::NewChat"
@@ -227,7 +237,7 @@
       "save": "workspace::Save",
       "ctrl->": "assistant::QuoteSelection",
       "ctrl-<": "assistant::InsertIntoEditor",
-      "ctrl-alt-/": "assistant::ToggleModelSelector",
+      "ctrl-alt-/": "agent::ToggleModelSelector",
       "shift-enter": "assistant::Split",
       "ctrl-r": "assistant::CycleMessageRole",
       "enter": "assistant::ConfirmCommand",
@@ -241,9 +251,9 @@
       "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",
@@ -558,7 +568,7 @@
       "ctrl-shift-e": "project_panel::ToggleFocus",
       "ctrl-shift-b": "outline_panel::ToggleFocus",
       "ctrl-shift-g": "git_panel::ToggleFocus",
-      "ctrl-?": "assistant::ToggleFocus",
+      "ctrl-?": "agent::ToggleFocus",
       "alt-save": "workspace::SaveAll",
       "ctrl-alt-s": "workspace::SaveAll",
       "ctrl-k m": "language_selector::Toggle",

assets/keymaps/default-macos.json

@@ -247,6 +247,17 @@
       "cmd-shift-n": "agent::RejectAll"
     }
   },
+  {
+    "context": "Editor && editor_agent_diff",
+    "use_key_equivalents": true,
+    "bindings": {
+      "cmd-y": "agent::Keep",
+      "cmd-n": "agent::Reject",
+      "cmd-shift-y": "agent::KeepAll",
+      "cmd-shift-n": "agent::RejectAll",
+      "shift-ctrl-r": "agent::OpenAgentDiff"
+    }
+  },
   {
     "context": "AssistantPanel",
     "use_key_equivalents": true,
@@ -255,9 +266,9 @@
       "cmd-shift-e": "project_panel::ToggleFocus",
       "cmd-g": "search::SelectNextMatch",
       "cmd-shift-g": "search::SelectPreviousMatch",
-      "cmd-alt-/": "assistant::ToggleModelSelector",
+      "cmd-alt-/": "agent::ToggleModelSelector",
       "cmd-k h": "assistant::DeployHistory",
-      "cmd-k l": "assistant::OpenRulesLibrary",
+      "cmd-k l": "agent::OpenRulesLibrary",
       "cmd-t": "assistant::NewChat",
       "cmd-n": "assistant::NewChat"
     }
@@ -271,11 +282,14 @@
       "cmd-s": "workspace::Save",
       "cmd->": "assistant::QuoteSelection",
       "cmd-<": "assistant::InsertIntoEditor",
-      "cmd-alt-/": "assistant::ToggleModelSelector",
       "shift-enter": "assistant::Split",
       "ctrl-r": "assistant::CycleMessageRole",
       "enter": "assistant::ConfirmCommand",
-      "alt-enter": "editor::Newline"
+      "alt-enter": "editor::Newline",
+      "cmd-k c": "assistant::CopyCode",
+      "cmd-g": "search::SelectNextMatch",
+      "cmd-shift-g": "search::SelectPreviousMatch",
+      "cmd-k l": "agent::OpenRulesLibrary"
     }
   },
   {
@@ -286,14 +300,15 @@
       "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"
+      "cmd-alt-e": "agent::RemoveAllContext",
+      "cmd-shift-e": "project_panel::ToggleFocus"
     }
   },
   {
@@ -624,7 +639,7 @@
       "cmd-shift-e": "project_panel::ToggleFocus",
       "cmd-shift-b": "outline_panel::ToggleFocus",
       "ctrl-shift-g": "git_panel::ToggleFocus",
-      "cmd-?": "assistant::ToggleFocus",
+      "cmd-?": "agent::ToggleFocus",
       "cmd-alt-s": "workspace::SaveAll",
       "cmd-k m": "language_selector::Toggle",
       "escape": "workspace::Unfollow",
@@ -763,7 +778,7 @@
     "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"

assets/prompts/assistant_system_prompt.hbs

@@ -3,11 +3,12 @@ You are a highly skilled software engineer with extensive knowledge in many prog
 ## Communication
 
 1. Be conversational but professional.
-2. Refer to the USER in the second person and yourself in the first person.
+2. Refer to the user in the second person and yourself in the first person.
 3. Format your responses in markdown. Use backticks to format file, directory, function, and class names.
 4. NEVER lie or make things up.
 5. Refrain from apologizing all the time when results are unexpected. Instead, just try your best to proceed or explain the circumstances to the user without apologizing.
 
+{{#if has_tools}}
 ## Tool Use
 
 1. Make sure to adhere to the tools schema.
@@ -22,6 +23,7 @@ You are a highly skilled software engineer with extensive knowledge in many prog
 If you are unsure how to fulfill the user's request, gather more information with tool calls and/or clarifying questions.
 
 {{! TODO: If there are files, we should mention it but otherwise omit that fact }}
+{{#if has_tools}}
 If appropriate, use tool calls to explore the current project, which contains the following root directories:
 
 {{#each worktrees}}
@@ -36,6 +38,14 @@ If appropriate, use tool calls to explore the current project, which contains th
 - As you learn about the structure of the project, use that information to scope `grep` searches to targeted subtrees of the project.
 - The user might specify a partial file path. If you don't know the full path, use `find_path` (not `grep`) before you read the file.
 {{/if}}
+{{/if}}
+{{else}}
+You are being tasked with providing a response, but you have no ability to use tools or to read or write any aspect of the user's system (other than any context the user might have provided to you).
+
+As such, if you need the user to perform any actions for you, you must request them explicitly. Bias towards giving a response to the best of your ability, and then making requests for the user to take action (e.g. to give you more context) only optionally.
+
+The one exception to this is if the user references something you don't know about - for example, the name of a source code file, function, type, or other piece of code that you have no awareness of. In this case, you MUST NOT MAKE SOMETHING UP, or assume you know what that thing is or how it works. Instead, you must ask the user for clarification rather than giving a response.
+{{/if}}
 
 ## Code Block Formatting
 
@@ -111,6 +121,8 @@ In Markdown, hash marks signify headings. For example:
 ```
 </bad_example_do_not_do_this>
 This example is unacceptable because the path is in the wrong place. The path must be directly after the opening backticks.
+
+{{#if has_tools}}
 ## Fixing Diagnostics
 
 1. Make 1-2 attempts at fixing diagnostics, then defer to the user.
@@ -124,10 +136,11 @@ Otherwise, follow debugging best practices:
 2. Add descriptive logging statements and error messages to track variable and code state.
 3. Add test functions and statements to isolate the problem.
 
+{{/if}}
 ## Calling External APIs
 
 1. Unless explicitly requested by the user, use the best suited external APIs and packages to solve the task. There is no need to ask the user for permission.
-2. When selecting which version of an API or package to use, choose one that is compatible with the user's dependency management file. If no such file exists or if the package is not present, use the latest version that is in your training data.
+2. When selecting which version of an API or package to use, choose one that is compatible with the user's dependency management file(s). If no such file exists or if the package is not present, use the latest version that is in your training data.
 3. If an external API requires an API Key, be sure to point this out to the user. Adhere to best security practices (e.g. DO NOT hardcode an API key in a place where it can be exposed)
 
 ## System Information
@@ -138,7 +151,7 @@ Default Shell: {{shell}}
 {{#if (or has_rules has_user_rules)}}
 ## User's Custom Instructions
 
-The following additional instructions are provided by the user, and should be followed to the best of your ability without interfering with the tool use guidelines.
+The following additional instructions are provided by the user, and should be followed to the best of your ability{{#if has_tools}} without interfering with the tool use guidelines{{/if}}.
 
 {{#if has_rules}}
 There are project rules that apply to these root directories:

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.
@@ -300,8 +302,10 @@
     "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
   },
   // Scrollbar related settings
   "scrollbar": {
@@ -628,27 +632,27 @@
     // 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.
+    // 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",
@@ -659,26 +663,10 @@
     "always_allow_tool_actions": false,
     // When enabled, the agent will stream edits.
     "stream_edits": false,
+    // When enabled, agent edits will be displayed in single-file editors for review
+    "single_file_review": true,
     "default_profile": "write",
     "profiles": {
-      "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.
-        // "enable_all_context_servers": true,
-        "tools": {
-          "contents": true,
-          "diagnostics": true,
-          "fetch": true,
-          "list_directory": true,
-          "now": true,
-          "find_path": true,
-          "read_file": true,
-          "open": true,
-          "grep": true,
-          "thinking": true,
-          "web_search": true
-        }
-      },
       "write": {
         "name": "Write",
         "enable_all_context_servers": true,
@@ -701,13 +689,31 @@
           "web_search": true
         }
       },
-      "manual": {
-        "name": "Manual",
+      "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.
+        // "enable_all_context_servers": true,
+        "tools": {
+          "contents": true,
+          "diagnostics": true,
+          "fetch": true,
+          "list_directory": true,
+          "now": true,
+          "find_path": true,
+          "read_file": true,
+          "open": true,
+          "grep": true,
+          "thinking": true,
+          "web_search": true
+        }
+      },
+      "minimal": {
+        "name": "Minimal",
         "enable_all_context_servers": false,
         "tools": {}
       }
     },
-    // Where to show notifications when an agent has either completed
+    // Where to show notifications when the agent has either completed
     // its response, or else needs confirmation before it can run a
     // tool action.
     // "primary_screen" - Show the notification only on your primary screen (default)
@@ -994,9 +1000,9 @@
     // 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": {
@@ -1590,7 +1596,7 @@
   //   }
   // ]
   "ssh_connections": [],
-  // Configures context servers for use in the Assistant.
+  // Configures context servers for use by the agent.
   "context_servers": {},
   "debugger": {
     "stepping_granularity": "line",

crates/agent/Cargo.toml

@@ -46,7 +46,6 @@ gpui.workspace = true
 heed.workspace = true
 html_to_markdown.workspace = true
 http_client.workspace = true
-indexmap.workspace = true
 itertools.workspace = true
 jsonschema.workspace = true
 language.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/active_thread.rs

@@ -2,12 +2,11 @@ use crate::context::{AgentContextHandle, RULES_ICON};
 use crate::context_picker::{ContextPicker, MentionLink};
 use crate::context_store::ContextStore;
 use crate::context_strip::{ContextStrip, ContextStripEvent, SuggestContextKind};
-use crate::message_editor::insert_message_creases;
 use crate::thread::{
-    LastRestoreCheckpoint, MessageCrease, MessageId, MessageSegment, Thread, ThreadError,
-    ThreadEvent, ThreadFeedback,
+    LastRestoreCheckpoint, MessageId, MessageSegment, Thread, ThreadError, ThreadEvent,
+    ThreadFeedback,
 };
-use crate::thread_store::{RulesLoadingError, ThreadStore};
+use crate::thread_store::{RulesLoadingError, TextThreadStore, ThreadStore};
 use crate::tool_use::{PendingToolUseStatus, ToolUse};
 use crate::ui::{
     AddedContext, AgentNotification, AgentNotificationEvent, AnimatedLabel, ContextPill,
@@ -30,14 +29,13 @@ use gpui::{
 };
 use language::{Buffer, Language, LanguageRegistry};
 use language_model::{
-    LanguageModelRequestMessage, LanguageModelToolUseId, MessageContent, RequestUsage, Role,
-    StopReason,
+    LanguageModelRequestMessage, LanguageModelToolUseId, MessageContent, Role, StopReason,
 };
 use markdown::parser::{CodeBlockKind, CodeBlockMetadata};
 use markdown::{HeadingLevelStyles, Markdown, MarkdownElement, MarkdownStyle, ParsedMarkdown};
 use project::{ProjectEntryId, ProjectItem as _};
 use rope::Point;
-use settings::{Settings as _, update_settings_file};
+use settings::{Settings as _, SettingsStore, update_settings_file};
 use std::ffi::OsStr;
 use std::path::Path;
 use std::rc::Rc;
@@ -45,6 +43,7 @@ use std::sync::Arc;
 use std::time::Duration;
 use text::ToPoint;
 use theme::ThemeSettings;
+use ui::utils::WithRemSize;
 use ui::{
     Disclosure, IconButton, KeyBinding, PopoverMenuHandle, Scrollbar, ScrollbarState, TextSize,
     Tooltip, prelude::*,
@@ -58,6 +57,7 @@ pub struct ActiveThread {
     context_store: Entity<ContextStore>,
     language_registry: Arc<LanguageRegistry>,
     thread_store: Entity<ThreadStore>,
+    text_thread_store: Entity<TextThreadStore>,
     thread: Entity<Thread>,
     workspace: WeakEntity<Workspace>,
     save_thread_task: Option<Task<()>>,
@@ -73,7 +73,6 @@ pub struct ActiveThread {
     expanded_thinking_segments: HashMap<(MessageId, usize), bool>,
     expanded_code_blocks: HashMap<(MessageId, usize), bool>,
     last_error: Option<ThreadError>,
-    last_usage: Option<RequestUsage>,
     notifications: Vec<WindowHandle<AgentNotification>>,
     copied_code_block_ids: HashSet<(MessageId, usize)>,
     _subscriptions: Vec<Subscription>,
@@ -178,7 +177,7 @@ fn parse_markdown(
     cx.new(|cx| Markdown::new(text, Some(language_registry), None, cx))
 }
 
-fn default_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
+pub(crate) fn default_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
     let theme_settings = ThemeSettings::get_global(cx);
     let colors = cx.theme().colors();
     let ui_font_size = TextSize::Default.rems(cx);
@@ -722,8 +721,17 @@ fn open_markdown_link(
                 });
             }
         }),
+        Some(MentionLink::TextThread(path)) => workspace.update(cx, |workspace, cx| {
+            if let Some(panel) = workspace.panel::<AssistantPanel>(cx) {
+                panel.update(cx, |panel, cx| {
+                    panel
+                        .open_saved_prompt_editor(path, window, cx)
+                        .detach_and_log_err(cx);
+                });
+            }
+        }),
         Some(MentionLink::Fetch(url)) => cx.open_url(&url),
-        Some(MentionLink::Rules(prompt_id)) => window.dispatch_action(
+        Some(MentionLink::Rule(prompt_id)) => window.dispatch_action(
             Box::new(OpenRulesLibrary {
                 prompt_to_select: Some(prompt_id.0),
             }),
@@ -746,6 +754,7 @@ impl ActiveThread {
     pub fn new(
         thread: Entity<Thread>,
         thread_store: Entity<ThreadStore>,
+        text_thread_store: Entity<TextThreadStore>,
         context_store: Entity<ContextStore>,
         language_registry: Arc<LanguageRegistry>,
         workspace: WeakEntity<Workspace>,
@@ -756,6 +765,7 @@ impl ActiveThread {
             cx.observe(&thread, |_, _, cx| cx.notify()),
             cx.subscribe_in(&thread, window, Self::handle_thread_event),
             cx.subscribe(&thread_store, Self::handle_rules_loading_error),
+            cx.observe_global::<SettingsStore>(|_, cx| cx.notify()),
         ];
 
         let list_state = ListState::new(0, ListAlignment::Bottom, px(2048.), {
@@ -765,10 +775,10 @@ impl ActiveThread {
                     .unwrap()
             }
         });
-
         let mut this = Self {
             language_registry,
             thread_store,
+            text_thread_store,
             context_store,
             thread: thread.clone(),
             workspace,
@@ -785,7 +795,6 @@ impl ActiveThread {
             hide_scrollbar_task: None,
             editing_message: None,
             last_error: None,
-            last_usage: None,
             copied_code_block_ids: HashSet::default(),
             notifications: Vec::new(),
             _subscriptions: subscriptions,
@@ -842,10 +851,6 @@ impl ActiveThread {
         self.last_error.take();
     }
 
-    pub fn last_usage(&self) -> Option<RequestUsage> {
-        self.last_usage
-    }
-
     /// Returns the editing message id and the estimated token count in the content
     pub fn editing_message_id(&self) -> Option<(MessageId, usize)> {
         self.editing_message
@@ -853,6 +858,18 @@ impl ActiveThread {
             .map(|(id, state)| (*id, state.last_estimated_token_count.unwrap_or(0)))
     }
 
+    pub fn context_store(&self) -> &Entity<ContextStore> {
+        &self.context_store
+    }
+
+    pub fn thread_store(&self) -> &Entity<ThreadStore> {
+        &self.thread_store
+    }
+
+    pub fn text_thread_store(&self) -> &Entity<TextThreadStore> {
+        &self.text_thread_store
+    }
+
     fn push_message(
         &mut self,
         id: &MessageId,
@@ -951,8 +968,8 @@ impl ActiveThread {
             ThreadEvent::ShowError(error) => {
                 self.last_error = Some(error.clone());
             }
-            ThreadEvent::UsageUpdated(usage) => {
-                self.last_usage = Some(*usage);
+            ThreadEvent::NewRequest | ThreadEvent::CompletionCanceled => {
+                cx.notify();
             }
             ThreadEvent::StreamedCompletion
             | ThreadEvent::SummaryGenerated
@@ -1079,6 +1096,22 @@ impl ActiveThread {
                     cx,
                 );
             }
+            ThreadEvent::MissingToolUse {
+                tool_use_id,
+                ui_text,
+            } => {
+                self.render_tool_use_markdown(
+                    tool_use_id.clone(),
+                    ui_text,
+                    "",
+                    self.thread
+                        .read(cx)
+                        .output_for_tool(tool_use_id)
+                        .map(|output| output.clone().into())
+                        .unwrap_or("".into()),
+                    cx,
+                );
+            }
         }
     }
 
@@ -1241,7 +1274,6 @@ impl ActiveThread {
         &mut self,
         message_id: MessageId,
         message_segments: &[MessageSegment],
-        message_creases: &[MessageCrease],
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
@@ -1251,16 +1283,19 @@ impl ActiveThread {
             return;
         };
 
+        // Cancel any ongoing streaming when user starts editing a previous message
+        self.cancel_last_completion(window, cx);
+
         let editor = crate::message_editor::create_editor(
             self.workspace.clone(),
             self.context_store.downgrade(),
             self.thread_store.downgrade(),
+            self.text_thread_store.downgrade(),
             window,
             cx,
         );
         editor.update(cx, |editor, cx| {
             editor.set_text(message_text.clone(), window, cx);
-            insert_message_creases(editor, message_creases, &self.context_store, window, cx);
             editor.focus_handle(cx).focus(window);
             editor.move_to_end(&editor::actions::MoveToEnd, window, cx);
         });
@@ -1277,6 +1312,7 @@ impl ActiveThread {
                 self.context_store.clone(),
                 self.workspace.clone(),
                 Some(self.thread_store.downgrade()),
+                Some(self.text_thread_store.downgrade()),
                 context_picker_menu_handle.clone(),
                 SuggestContextKind::File,
                 window,
@@ -1659,12 +1695,14 @@ impl ActiveThread {
     fn render_edit_message_editor(
         &self,
         state: &EditingMessageState,
-        window: &mut Window,
+        _window: &mut Window,
         cx: &Context<Self>,
     ) -> impl IntoElement {
         let settings = ThemeSettings::get_global(cx);
-        let font_size = TextSize::Small.rems(cx);
-        let line_height = font_size.to_pixels(window.rem_size()) * 1.75;
+        let font_size = TextSize::Small
+            .rems(cx)
+            .to_pixels(settings.agent_font_size(cx));
+        let line_height = font_size * 1.75;
 
         let colors = cx.theme().colors();
 
@@ -1708,7 +1746,6 @@ impl ActiveThread {
         let Some(message) = self.thread.read(cx).message(message_id) else {
             return Empty.into_any();
         };
-        let message_creases = message.creases.clone();
 
         let Some(rendered_message) = self.rendered_messages_by_id.get(&message_id) else {
             return Empty.into_any();
@@ -1727,14 +1764,13 @@ impl ActiveThread {
         let tool_uses = thread.tool_uses_for_message(message_id, cx);
         let has_tool_uses = !tool_uses.is_empty();
         let is_generating = thread.is_generating();
+        let is_generating_stale = thread.is_generation_stale().unwrap_or(false);
 
         let is_first_message = ix == 0;
         let is_last_message = ix == self.messages.len() - 1;
 
-        let show_feedback = thread.is_turn_end(ix);
-
-        let generating_label = (is_generating && is_last_message)
-            .then(|| AnimatedLabel::new("Generating").size(LabelSize::Small));
+        let loading_dots = (is_generating_stale && is_last_message)
+            .then(|| AnimatedLabel::new("").size(LabelSize::Small));
 
         let editing_message_state = self
             .editing_message
@@ -1757,6 +1793,8 @@ impl ActiveThread {
         // For all items that should be aligned with the LLM's response.
         const RESPONSE_PADDING_X: Pixels = px(19.);
 
+        let show_feedback = thread.is_turn_end(ix);
+
         let feedback_container = h_flex()
             .group("feedback_container")
             .mt_1()
@@ -1904,7 +1942,6 @@ impl ActiveThread {
                                                 open_context(&context, workspace, window, cx);
                                                 cx.notify();
                                             }
-                                            cx.stop_propagation();
                                         }
                                     })),
                                 )
@@ -1990,13 +2027,15 @@ impl ActiveThread {
                                     )
                                 }),
                         )
+                        .when(editing_message_state.is_none(), |this| {
+                            this.tooltip(Tooltip::text("Click To Edit"))
+                        })
                         .on_click(cx.listener({
                             let message_segments = message.segments.clone();
                             move |this, _, window, cx| {
                                 this.start_editing_message(
                                     message_id,
                                     &message_segments,
-                                    &message_creases,
                                     window,
                                     cx,
                                 );
@@ -2030,181 +2069,202 @@ impl ActiveThread {
 
         let panel_background = cx.theme().colors().panel_background;
 
-        v_flex()
-            .w_full()
-            .when_some(checkpoint, |parent, checkpoint| {
-                let mut is_pending = false;
-                let mut error = None;
-                if let Some(last_restore_checkpoint) =
-                    self.thread.read(cx).last_restore_checkpoint()
-                {
-                    if last_restore_checkpoint.message_id() == message_id {
-                        match last_restore_checkpoint {
-                            LastRestoreCheckpoint::Pending { .. } => is_pending = true,
-                            LastRestoreCheckpoint::Error { error: err, .. } => {
-                                error = Some(err.clone());
+        WithRemSize::new(ThemeSettings::get_global(cx).agent_font_size(cx))
+            .size_full()
+            .child(
+                v_flex()
+                    .w_full()
+                    .map(|parent| {
+                        if let Some(checkpoint) = checkpoint.filter(|_| is_generating) {
+                            let mut is_pending = false;
+                            let mut error = None;
+                            if let Some(last_restore_checkpoint) =
+                                self.thread.read(cx).last_restore_checkpoint()
+                            {
+                                if last_restore_checkpoint.message_id() == message_id {
+                                    match last_restore_checkpoint {
+                                        LastRestoreCheckpoint::Pending { .. } => is_pending = true,
+                                        LastRestoreCheckpoint::Error { error: err, .. } => {
+                                            error = Some(err.clone());
+                                        }
+                                    }
+                                }
                             }
+
+                            let restore_checkpoint_button =
+                                Button::new(("restore-checkpoint", ix), "Restore Checkpoint")
+                                    .icon(if error.is_some() {
+                                        IconName::XCircle
+                                    } else {
+                                        IconName::Undo
+                                    })
+                                    .icon_size(IconSize::XSmall)
+                                    .icon_position(IconPosition::Start)
+                                    .icon_color(if error.is_some() {
+                                        Some(Color::Error)
+                                    } else {
+                                        None
+                                    })
+                                    .label_size(LabelSize::XSmall)
+                                    .disabled(is_pending)
+                                    .on_click(cx.listener(move |this, _, _window, cx| {
+                                        this.thread.update(cx, |thread, cx| {
+                                            thread
+                                                .restore_checkpoint(checkpoint.clone(), cx)
+                                                .detach_and_log_err(cx);
+                                        });
+                                    }));
+
+                            let restore_checkpoint_button = if is_pending {
+                                restore_checkpoint_button
+                                    .with_animation(
+                                        ("pulsating-restore-checkpoint-button", ix),
+                                        Animation::new(Duration::from_secs(2))
+                                            .repeat()
+                                            .with_easing(pulsating_between(0.6, 1.)),
+                                        |label, delta| label.alpha(delta),
+                                    )
+                                    .into_any_element()
+                            } else if let Some(error) = error {
+                                restore_checkpoint_button
+                                    .tooltip(Tooltip::text(error.to_string()))
+                                    .into_any_element()
+                            } else {
+                                restore_checkpoint_button.into_any_element()
+                            };
+
+                            parent.child(
+                                h_flex()
+                                    .pt_2p5()
+                                    .px_2p5()
+                                    .w_full()
+                                    .gap_1()
+                                    .child(ui::Divider::horizontal())
+                                    .child(restore_checkpoint_button)
+                                    .child(ui::Divider::horizontal()),
+                            )
+                        } else {
+                            parent
                         }
-                    }
-                }
-
-                let restore_checkpoint_button =
-                    Button::new(("restore-checkpoint", ix), "Restore Checkpoint")
-                        .icon(if error.is_some() {
-                            IconName::XCircle
-                        } else {
-                            IconName::Undo
-                        })
-                        .icon_size(IconSize::XSmall)
-                        .icon_position(IconPosition::Start)
-                        .icon_color(if error.is_some() {
-                            Some(Color::Error)
-                        } else {
-                            None
-                        })
-                        .label_size(LabelSize::XSmall)
-                        .disabled(is_pending)
-                        .on_click(cx.listener(move |this, _, _window, cx| {
-                            this.thread.update(cx, |thread, cx| {
-                                thread
-                                    .restore_checkpoint(checkpoint.clone(), cx)
-                                    .detach_and_log_err(cx);
-                            });
-                        }));
-
-                let restore_checkpoint_button = if is_pending {
-                    restore_checkpoint_button
-                        .with_animation(
-                            ("pulsating-restore-checkpoint-button", ix),
-                            Animation::new(Duration::from_secs(2))
-                                .repeat()
-                                .with_easing(pulsating_between(0.6, 1.)),
-                            |label, delta| label.alpha(delta),
+                    })
+                    .when(is_first_message, |parent| {
+                        parent.child(self.render_rules_item(cx))
+                    })
+                    .child(styled_message)
+                    .when(is_generating && is_last_message, |this| {
+                        this.child(
+                            h_flex()
+                                .h_8()
+                                .mt_2()
+                                .mb_4()
+                                .ml_4()
+                                .py_1p5()
+                                .when_some(loading_dots, |this, loading_dots| {
+                                    this.child(loading_dots)
+                                }),
                         )
-                        .into_any_element()
-                } else if let Some(error) = error {
-                    restore_checkpoint_button
-                        .tooltip(Tooltip::text(error.to_string()))
-                        .into_any_element()
-                } else {
-                    restore_checkpoint_button.into_any_element()
-                };
-
-                parent.child(
-                    h_flex()
-                        .pt_2p5()
-                        .px_2p5()
-                        .w_full()
-                        .gap_1()
-                        .child(ui::Divider::horizontal())
-                        .child(restore_checkpoint_button)
-                        .child(ui::Divider::horizontal()),
-                )
-            })
-            .when(is_first_message, |parent| {
-                parent.child(self.render_rules_item(cx))
-            })
-            .child(styled_message)
-            .when(generating_label.is_some(), |this| {
-                this.child(
-                    h_flex()
-                        .h_8()
-                        .mt_2()
-                        .mb_4()
-                        .ml_4()
-                        .py_1p5()
-                        .child(generating_label.unwrap()),
-                )
-            })
-            .when(show_feedback, move |parent| {
-                parent.child(feedback_items).when_some(
-                    self.open_feedback_editors.get(&message_id),
-                    move |parent, feedback_editor| {
-                        let focus_handle = feedback_editor.focus_handle(cx);
-                        parent.child(
-                            v_flex()
-                                .key_context("AgentFeedbackMessageEditor")
-                                .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
-                                    this.open_feedback_editors.remove(&message_id);
-                                    cx.notify();
-                                }))
-                                .on_action(cx.listener(move |this, _: &menu::Confirm, _, cx| {
-                                    this.submit_feedback_message(message_id, cx);
-                                    cx.notify();
-                                }))
-                                .on_action(cx.listener(Self::confirm_editing_message))
-                                .mb_2()
-                                .mx_4()
-                                .p_2()
-                                .rounded_md()
-                                .border_1()
-                                .border_color(cx.theme().colors().border)
-                                .bg(cx.theme().colors().editor_background)
-                                .child(feedback_editor.clone())
-                                .child(
-                                    h_flex()
-                                        .gap_1()
-                                        .justify_end()
+                    })
+                    .when(show_feedback, move |parent| {
+                        parent.child(feedback_items).when_some(
+                            self.open_feedback_editors.get(&message_id),
+                            move |parent, feedback_editor| {
+                                let focus_handle = feedback_editor.focus_handle(cx);
+                                parent.child(
+                                    v_flex()
+                                        .key_context("AgentFeedbackMessageEditor")
+                                        .on_action(cx.listener(
+                                            move |this, _: &menu::Cancel, _, cx| {
+                                                this.open_feedback_editors.remove(&message_id);
+                                                cx.notify();
+                                            },
+                                        ))
+                                        .on_action(cx.listener(
+                                            move |this, _: &menu::Confirm, _, cx| {
+                                                this.submit_feedback_message(message_id, cx);
+                                                cx.notify();
+                                            },
+                                        ))
+                                        .on_action(cx.listener(Self::confirm_editing_message))
+                                        .mb_2()
+                                        .mx_4()
+                                        .p_2()
+                                        .rounded_md()
+                                        .border_1()
+                                        .border_color(cx.theme().colors().border)
+                                        .bg(cx.theme().colors().editor_background)
+                                        .child(feedback_editor.clone())
                                         .child(
-                                            Button::new("dismiss-feedback-message", "Cancel")
-                                                .label_size(LabelSize::Small)
-                                                .key_binding(
-                                                    KeyBinding::for_action_in(
-                                                        &menu::Cancel,
-                                                        &focus_handle,
-                                                        window,
-                                                        cx,
+                                            h_flex()
+                                                .gap_1()
+                                                .justify_end()
+                                                .child(
+                                                    Button::new(
+                                                        "dismiss-feedback-message",
+                                                        "Cancel",
                                                     )
-                                                    .map(|kb| kb.size(rems_from_px(10.))),
+                                                    .label_size(LabelSize::Small)
+                                                    .key_binding(
+                                                        KeyBinding::for_action_in(
+                                                            &menu::Cancel,
+                                                            &focus_handle,
+                                                            window,
+                                                            cx,
+                                                        )
+                                                        .map(|kb| kb.size(rems_from_px(10.))),
+                                                    )
+                                                    .on_click(cx.listener(
+                                                        move |this, _, _window, cx| {
+                                                            this.open_feedback_editors
+                                                                .remove(&message_id);
+                                                            cx.notify();
+                                                        },
+                                                    )),
                                                 )
-                                                .on_click(cx.listener(
-                                                    move |this, _, _window, cx| {
-                                                        this.open_feedback_editors
-                                                            .remove(&message_id);
-                                                        cx.notify();
-                                                    },
-                                                )),
-                                        )
-                                        .child(
-                                            Button::new(
-                                                "submit-feedback-message",
-                                                "Share Feedback",
-                                            )
-                                            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
-                                            .label_size(LabelSize::Small)
-                                            .key_binding(
-                                                KeyBinding::for_action_in(
-                                                    &menu::Confirm,
-                                                    &focus_handle,
-                                                    window,
-                                                    cx,
-                                                )
-                                                .map(|kb| kb.size(rems_from_px(10.))),
-                                            )
-                                            .on_click(
-                                                cx.listener(move |this, _, _window, cx| {
-                                                    this.submit_feedback_message(message_id, cx);
-                                                    cx.notify()
-                                                }),
-                                            ),
+                                                .child(
+                                                    Button::new(
+                                                        "submit-feedback-message",
+                                                        "Share Feedback",
+                                                    )
+                                                    .style(ButtonStyle::Tinted(
+                                                        ui::TintColor::Accent,
+                                                    ))
+                                                    .label_size(LabelSize::Small)
+                                                    .key_binding(
+                                                        KeyBinding::for_action_in(
+                                                            &menu::Confirm,
+                                                            &focus_handle,
+                                                            window,
+                                                            cx,
+                                                        )
+                                                        .map(|kb| kb.size(rems_from_px(10.))),
+                                                    )
+                                                    .on_click(cx.listener(
+                                                        move |this, _, _window, cx| {
+                                                            this.submit_feedback_message(
+                                                                message_id, cx,
+                                                            );
+                                                            cx.notify()
+                                                        },
+                                                    )),
+                                                ),
                                         ),
-                                ),
+                                )
+                            },
                         )
-                    },
-                )
-            })
-            .when(after_editing_message, |parent| {
-                // Backdrop to dim out the whole thread below the editing user message
-                parent.relative().child(
-                    div()
-                        .occlude()
-                        .absolute()
-                        .inset_0()
-                        .size_full()
-                        .bg(panel_background)
-                        .opacity(0.8),
-                )
-            })
+                    })
+                    .when(after_editing_message, |parent| {
+                        // Backdrop to dim out the whole thread below the editing user message
+                        parent.relative().child(
+                            div()
+                                .occlude()
+                                .absolute()
+                                .inset_0()
+                                .size_full()
+                                .bg(panel_background)
+                                .opacity(0.8),
+                        )
+                    }),
+            )
             .into_any()
     }
 
@@ -2364,7 +2424,6 @@ impl ActiveThread {
                                     let workspace = self.workspace.clone();
                                     move |text, window, cx| {
                                         open_markdown_link(text, workspace.clone(), window, cx);
-                                        cx.stop_propagation();
                                     }
                                 }))
                                 .into_any_element()
@@ -3427,14 +3486,21 @@ pub(crate) fn open_context(
         AgentContextHandle::Thread(thread_context) => workspace.update(cx, |workspace, cx| {
             if let Some(panel) = workspace.panel::<AssistantPanel>(cx) {
                 panel.update(cx, |panel, cx| {
-                    let thread_id = thread_context.thread.read(cx).id().clone();
-                    panel
-                        .open_thread_by_id(&thread_id, window, cx)
-                        .detach_and_log_err(cx)
+                    panel.open_thread(thread_context.thread.clone(), window, cx);
                 });
             }
         }),
 
+        AgentContextHandle::TextThread(text_thread_context) => {
+            workspace.update(cx, |workspace, cx| {
+                if let Some(panel) = workspace.panel::<AssistantPanel>(cx) {
+                    panel.update(cx, |panel, cx| {
+                        panel.open_prompt_editor(text_thread_context.context.clone(), window, cx)
+                    });
+                }
+            })
+        }
+
         AgentContextHandle::Rules(rules_context) => window.dispatch_action(
             Box::new(OpenRulesLibrary {
                 prompt_to_select: Some(rules_context.prompt_id.0),
@@ -3471,3 +3537,152 @@ fn open_editor_at_position(
         }
     })
 }
+
+#[cfg(test)]
+mod tests {
+    use assistant_tool::{ToolRegistry, ToolWorkingSet};
+    use editor::EditorSettings;
+    use fs::FakeFs;
+    use gpui::{TestAppContext, VisualTestContext};
+    use language_model::{LanguageModel, fake_provider::FakeLanguageModel};
+    use project::Project;
+    use prompt_store::PromptBuilder;
+    use serde_json::json;
+    use settings::SettingsStore;
+    use util::path;
+
+    use crate::{ContextLoadResult, thread_store};
+
+    use super::*;
+
+    #[gpui::test]
+    async fn test_current_completion_cancelled_when_message_edited(cx: &mut TestAppContext) {
+        init_test_settings(cx);
+
+        let project = create_test_project(
+            cx,
+            json!({"code.rs": "fn main() {\n    println!(\"Hello, world!\");\n}"}),
+        )
+        .await;
+
+        let (cx, active_thread, thread, model) = setup_test_environment(cx, project.clone()).await;
+
+        // Insert user message without any context (empty context vector)
+        let message = thread.update(cx, |thread, cx| {
+            let message_id = thread.insert_user_message(
+                "What is the best way to learn Rust?",
+                ContextLoadResult::default(),
+                None,
+                vec![],
+                cx,
+            );
+            thread
+                .message(message_id)
+                .expect("message should exist")
+                .clone()
+        });
+
+        // Stream response to user message
+        thread.update(cx, |thread, cx| {
+            let request = thread.to_completion_request(model.clone(), cx);
+            thread.stream_completion(request, model, cx.active_window(), cx)
+        });
+        let generating = thread.update(cx, |thread, _cx| thread.is_generating());
+        assert!(generating, "There should be one pending completion");
+
+        // Edit the previous message
+        active_thread.update_in(cx, |active_thread, window, cx| {
+            active_thread.start_editing_message(message.id, &message.segments, window, cx);
+        });
+
+        // Check that the stream was cancelled
+        let generating = thread.update(cx, |thread, _cx| thread.is_generating());
+        assert!(!generating, "The completion should have been cancelled");
+    }
+
+    fn init_test_settings(cx: &mut TestAppContext) {
+        cx.update(|cx| {
+            let settings_store = SettingsStore::test(cx);
+            cx.set_global(settings_store);
+            language::init(cx);
+            Project::init_settings(cx);
+            AssistantSettings::register(cx);
+            prompt_store::init(cx);
+            thread_store::init(cx);
+            workspace::init_settings(cx);
+            language_model::init_settings(cx);
+            ThemeSettings::register(cx);
+            EditorSettings::register(cx);
+            ToolRegistry::default_global(cx);
+        });
+    }
+
+    // Helper to create a test project with test files
+    async fn create_test_project(
+        cx: &mut TestAppContext,
+        files: serde_json::Value,
+    ) -> Entity<Project> {
+        let fs = FakeFs::new(cx.executor());
+        fs.insert_tree(path!("/test"), files).await;
+        Project::test(fs, [path!("/test").as_ref()], cx).await
+    }
+
+    async fn setup_test_environment(
+        cx: &mut TestAppContext,
+        project: Entity<Project>,
+    ) -> (
+        &mut VisualTestContext,
+        Entity<ActiveThread>,
+        Entity<Thread>,
+        Arc<dyn LanguageModel>,
+    ) {
+        let (workspace, cx) =
+            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
+
+        let prompt_builder = Arc::new(PromptBuilder::new(None).unwrap());
+        let thread_store = cx
+            .update(|_, cx| {
+                ThreadStore::load(
+                    project.clone(),
+                    cx.new(|_| ToolWorkingSet::default()),
+                    None,
+                    prompt_builder.clone(),
+                    cx,
+                )
+            })
+            .await
+            .unwrap();
+        let text_thread_store = cx
+            .update(|_, cx| {
+                TextThreadStore::new(project.clone(), prompt_builder, Default::default(), cx)
+            })
+            .await
+            .unwrap();
+
+        let thread = thread_store.update(cx, |store, cx| store.create_thread(cx));
+        let context_store = cx.new(|_cx| ContextStore::new(project.downgrade(), None));
+
+        let model = FakeLanguageModel::default();
+        let model: Arc<dyn LanguageModel> = Arc::new(model);
+
+        let language_registry = LanguageRegistry::new(cx.executor());
+        let language_registry = Arc::new(language_registry);
+
+        let active_thread = cx.update(|window, cx| {
+            cx.new(|cx| {
+                ActiveThread::new(
+                    thread.clone(),
+                    thread_store.clone(),
+                    text_thread_store.clone(),
+                    context_store.clone(),
+                    language_registry.clone(),
+                    workspace.downgrade(),
+                    window,
+                    cx,
+                )
+            })
+        });
+
+        (cx, active_thread, thread, model)
+    }
+}

crates/agent/src/assistant.rs

@@ -7,8 +7,10 @@ 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;
 mod inline_prompt_editor;
@@ -44,10 +46,10 @@ 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 crate::thread_store::{TextThreadStore, ThreadStore};
+pub use agent_diff::{AgentDiffPane, AgentDiffToolbar};
 pub use context_store::ContextStore;
-pub use ui::{all_agent_previews, get_agent_preview};
+pub use ui::preview::{all_agent_previews, get_agent_preview};
 
 actions!(
     agent,
@@ -77,7 +79,9 @@ actions!(
         Keep,
         Reject,
         RejectAll,
-        KeepAll
+        KeepAll,
+        Follow,
+        ResetTrialUpsell,
     ]
 );
 

crates/agent/src/assistant_configuration.rs

@@ -8,13 +8,14 @@ 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,
@@ -33,8 +34,8 @@ pub struct AssistantConfiguration {
     fs: Arc<dyn Fs>,
     focus_handle: FocusHandle,
     configuration_views_by_provider: HashMap<LanguageModelProviderId, AnyView>,
-    context_server_manager: Entity<ContextServerManager>,
-    expanded_context_server_tools: HashMap<Arc<str>, bool>,
+    context_server_store: Entity<ContextServerStore>,
+    expanded_context_server_tools: HashMap<ContextServerId, bool>,
     tools: Entity<ToolWorkingSet>,
     _registry_subscription: Subscription,
     scroll_handle: ScrollHandle,
@@ -44,7 +45,7 @@ pub struct AssistantConfiguration {
 impl AssistantConfiguration {
     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>,
@@ -75,7 +76,7 @@ impl AssistantConfiguration {
             fs,
             focus_handle,
             configuration_views_by_provider: HashMap::default(),
-            context_server_manager,
+            context_server_store,
             expanded_context_server_tools: HashMap::default(),
             tools,
             _registry_subscription: registry_subscription,
@@ -214,47 +215,91 @@ 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()
+            .gap_2p5()
             .flex_1()
             .child(Headline::new("General Settings"))
-            .child(
-                h_flex()
-                    .gap_4()
-                    .justify_between()
-                    .flex_wrap()
-                    .child(
-                        v_flex()
-                            .gap_0p5()
-                            .max_w_5_6()
-                            .child(Label::new(HEADING))
-                            .child(Label::new("When enabled, the agent can perform potentially destructive actions without asking for your confirmation.").color(Color::Muted)),
-                    )
-                    .child(
-                        Switch::new(
-                            "always-allow-tool-actions-switch",
-                            always_allow_tool_actions.into(),
-                        )
-                        .color(SwitchColor::Accent)
-                        .on_click({
-                            let fs = self.fs.clone();
-                            move |state, _window, cx| {
-                                let allow = state == &ToggleState::Selected;
-                                update_settings_file::<AssistantSettings>(
-                                    fs.clone(),
-                                    cx,
-                                    move |settings, _| {
-                                        settings.set_always_allow_tool_actions(allow);
-                                    },
-                                );
-                            }
-                        }),
-                    ),
-            )
+            .child(self.render_command_permission(cx))
+            .child(self.render_single_file_review(cx))
     }
 
     fn render_context_servers_section(
@@ -262,7 +307,7 @@ impl AssistantConfiguration {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) -> impl IntoElement {
-        let context_servers = self.context_server_manager.read(cx).all_servers().clone();
+        let context_server_ids = self.context_server_store.read(cx).all_server_ids().clone();
 
         const SUBHEADING: &str = "Connect to context servers via the Model Context Protocol either via Zed extensions or directly.";
 
@@ -278,9 +323,9 @@ impl AssistantConfiguration {
                     .child(Label::new(SUBHEADING).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 +375,20 @@ 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 error = if let Some(ContextServerStatus::Error(error)) = server_status.clone() {
+        let error = if let ContextServerStatus::Error(error) = server_status.clone() {
             Some(error)
         } else {
             None
@@ -350,13 +396,13 @@ 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();
@@ -364,7 +410,7 @@ impl AssistantConfiguration {
         let border_color = cx.theme().colors().border.opacity(0.6);
 
         v_flex()
-            .id(SharedString::from(context_server.id()))
+            .id(SharedString::from(context_server_id.0.clone()))
             .border_1()
             .rounded_md()
             .border_color(border_color)
@@ -388,7 +434,7 @@ 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
@@ -400,14 +446,14 @@ impl AssistantConfiguration {
                                 })),
                             )
                             .child(match server_status {
-                                Some(ContextServerStatus::Starting) => {
+                                ContextServerStatus::Starting => {
                                     let color = Color::Success.color(cx);
                                     Indicator::dot()
                                         .color(Color::Success)
                                         .with_animation(
                                             SharedString::from(format!(
                                                 "{}-starting",
-                                                context_server.id(),
+                                                context_server_id.0.clone(),
                                             )),
                                             Animation::new(Duration::from_secs(2))
                                                 .repeat()
@@ -418,15 +464,17 @@ impl AssistantConfiguration {
                                         )
                                         .into_any_element()
                                 }
-                                Some(ContextServerStatus::Running) => {
+                                ContextServerStatus::Running => {
                                     Indicator::dot().color(Color::Success).into_any_element()
                                 }
-                                Some(ContextServerStatus::Error(_)) => {
+                                ContextServerStatus::Error(_) => {
                                     Indicator::dot().color(Color::Error).into_any_element()
                                 }
-                                None => Indicator::dot().color(Color::Muted).into_any_element(),
+                                ContextServerStatus::Stopped => {
+                                    Indicator::dot().color(Color::Muted).into_any_element()
+                                }
                             })
-                            .child(Label::new(context_server.id()).ml_0p5())
+                            .child(Label::new(context_server_id.0.clone()).ml_0p5())
                             .when(is_running, |this| {
                                 this.child(
                                     Label::new(if tool_count == 1 {
@@ -443,32 +491,22 @@ 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();
                                     }
                                 }
                             }),
@@ -549,7 +587,7 @@ impl Render for AssistantConfiguration {
                     .track_scroll(&self.scroll_handle)
                     .size_full()
                     .overflow_y_scroll()
-                    .child(self.render_command_permission(cx))
+                    .child(self.render_general_settings_section(cx))
                     .child(Divider::horizontal().color(DividerColor::Border))
                     .child(self.render_context_servers_section(window, cx))
                     .child(Divider::horizontal().color(DividerColor::Border))

crates/agent/src/assistant_configuration/add_context_server_modal.rs

@@ -1,5 +1,6 @@
-use context_server::{ContextServerSettings, ServerCommand, ServerConfig};
+use context_server::ContextServerCommand;
 use gpui::{DismissEvent, Entity, EventEmitter, FocusHandle, Focusable, WeakEntity, prelude::*};
+use project::project_settings::{ContextServerConfiguration, ProjectSettings};
 use serde_json::json;
 use settings::update_settings_file;
 use ui::{KeyBinding, Modal, ModalFooter, ModalHeader, Section, Tooltip, prelude::*};
@@ -77,11 +78,11 @@ impl AddContextServerModal {
         if let Some(workspace) = self.workspace.upgrade() {
             workspace.update(cx, |workspace, cx| {
                 let fs = workspace.app_state().fs.clone();
-                update_settings_file::<ContextServerSettings>(fs.clone(), cx, |settings, _| {
+                update_settings_file::<ProjectSettings>(fs.clone(), cx, |settings, _| {
                     settings.context_servers.insert(
                         name.into(),
-                        ServerConfig {
-                            command: Some(ServerCommand {
+                        ContextServerConfiguration {
+                            command: Some(ContextServerCommand {
                                 path,
                                 args,
                                 env: None,

crates/agent/src/assistant_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,
@@ -14,6 +13,10 @@ 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::*};
@@ -23,11 +26,11 @@ use workspace::{ModalView, Workspace};
 pub(crate) struct ConfigureContextServerModal {
     workspace: WeakEntity<Workspace>,
     context_servers_to_setup: Vec<ConfigureContextServer>,
-    context_server_manager: Entity<ContextServerManager>,
+    context_server_store: Entity<ContextServerStore>,
 }
 
 struct ConfigureContextServer {
-    id: Arc<str>,
+    id: ContextServerId,
     installation_instructions: Entity<markdown::Markdown>,
     settings_validator: Option<jsonschema::Validator>,
     settings_editor: Entity<Editor>,
@@ -37,9 +40,9 @@ struct ConfigureContextServer {
 
 impl ConfigureContextServerModal {
     pub fn new(
-        configurations: impl Iterator<Item = (Arc<str>, ContextServerConfiguration)>,
+        configurations: impl Iterator<Item = (ContextServerId, extension::ContextServerConfiguration)>,
+        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,
@@ -65,6 +68,8 @@ impl ConfigureContextServerModal {
                     settings_editor: cx.new(|cx| {
                         let mut editor = Editor::auto_height(16, window, cx);
                         editor.set_text(manifest.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))
                         }
@@ -83,7 +88,7 @@ impl ConfigureContextServerModal {
         Some(Self {
             workspace,
             context_servers_to_setup,
-            context_server_manager,
+            context_server_store,
         })
     }
 }
@@ -99,6 +104,7 @@ impl ConfigureContextServerModal {
         };
 
         let configuration = &mut self.context_servers_to_setup[0];
+        configuration.last_error.take();
         if configuration.waiting_for_context_server {
             return;
         }
@@ -123,14 +129,14 @@ impl ConfigureContextServerModal {
         }
         let id = configuration.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 +146,7 @@ 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| {
@@ -164,29 +170,25 @@ 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 +222,40 @@ 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| {
@@ -264,7 +275,7 @@ impl Render for ConfigureContextServerModal {
 
         div()
             .elevation_3(cx)
-            .w(rems(34.))
+            .w(rems(42.))
             .key_context("ConfigureContextServerModal")
             .on_action(cx.listener(|this, _: &menu::Confirm, _window, cx| this.confirm(cx)))
             .on_action(cx.listener(|this, _: &menu::Cancel, _window, cx| this.dismiss(cx)))

crates/agent/src/assistant_configuration/manage_profiles_modal.rs

@@ -2,7 +2,7 @@ mod profile_modal_header;
 
 use std::sync::Arc;
 
-use assistant_settings::{AgentProfile, AgentProfileId, AssistantSettings};
+use assistant_settings::{AgentProfile, AgentProfileId, AssistantSettings, builtin_profiles};
 use assistant_tool::ToolWorkingSet;
 use convert_case::{Case, Casing as _};
 use editor::Editor;
@@ -22,6 +22,8 @@ use crate::assistant_configuration::manage_profiles_modal::profile_modal_header:
 use crate::assistant_configuration::tool_picker::{ToolPicker, ToolPickerDelegate};
 use crate::{AssistantPanel, ManageProfiles, ThreadStore};
 
+use super::tool_picker::ToolPickerMode;
+
 enum Mode {
     ChooseProfile(ChooseProfileMode),
     NewProfile(NewProfileMode),
@@ -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)]
@@ -166,10 +184,50 @@ 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_mcps(
+        &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::McpTools,
+                self.fs.clone(),
+                self.tools.clone(),
+                self.thread_store.clone(),
+                profile_id.clone(),
+                profile,
+                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_tools(
         &mut self,
         profile_id: AgentProfileId,
@@ -183,6 +241,7 @@ impl ManageProfilesModal {
 
         let tool_picker = cx.new(|cx| {
             let delegate = ToolPickerDelegate::new(
+                ToolPickerMode::BuiltinTools,
                 self.fs.clone(),
                 self.tools.clone(),
                 self.thread_store.clone(),
@@ -190,7 +249,7 @@ impl ManageProfilesModal {
                 profile,
                 cx,
             );
-            ToolPicker::new(delegate, window, 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();
@@ -499,7 +598,11 @@ impl ManageProfilesModal {
                                         )
                                         .inset(true)
                                         .spacing(ListItemSpacing::Sparse)
-                                        .start_slot(Icon::new(IconName::Cog))
+                                        .start_slot(
+                                            Icon::new(IconName::Settings)
+                                                .size(IconSize::Small)
+                                                .color(Color::Muted),
+                                        )
                                         .child(Label::new("Configure Tools"))
                                         .on_click({
                                             let profile_id = mode.profile_id.clone();
@@ -512,12 +615,90 @@ 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_mcps(profile_id.clone(), window, cx);
+                                    })
+                                })
+                                .child(
+                                    ListItem::new("configure-mcps")
+                                        .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 Servers"))
+                                        .on_click({
+                                            let profile_id = mode.profile_id.clone();
+                                            cx.listener(move |this, _, window, cx| {
+                                                this.configure_mcps(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 +706,43 @@ 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 +774,39 @@ 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 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 Servers"),
+                            Some(IconName::Hammer),
+                        ))
+                        .child(ListSeparator)
+                        .child(tool_picker.clone())
+                        .child(ListSeparator)
+                        .child(go_back_item)
                         .into_any_element()
                 }
             })

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

@@ -3,11 +3,11 @@ use ui::prelude::*;
 #[derive(IntoElement)]
 pub struct ProfileModalHeader {
     label: SharedString,
-    icon: IconName,
+    icon: Option<IconName>,
 }
 
 impl ProfileModalHeader {
-    pub fn new(label: impl Into<SharedString>, icon: IconName) -> Self {
+    pub fn new(label: impl Into<SharedString>, icon: Option<IconName>) -> Self {
         Self {
             label: label.into(),
             icon,
@@ -17,22 +17,26 @@ impl ProfileModalHeader {
 
 impl RenderOnce for ProfileModalHeader {
     fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
-        h_flex()
+        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()
-            .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)),
-                ),
-            )
+            .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/assistant_configuration/tool_picker.rs

@@ -1,4 +1,4 @@
-use std::sync::Arc;
+use std::{collections::BTreeMap, sync::Arc};
 
 use assistant_settings::{
     AgentProfile, AgentProfileContent, AgentProfileId, AssistantSettings, AssistantSettingsContent,
@@ -6,11 +6,10 @@ use assistant_settings::{
 };
 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 ui::{ListItem, ListItemSpacing, prelude::*};
 use util::ResultExt as _;
 
 use crate::ThreadStore;
@@ -19,11 +18,30 @@ pub struct ToolPicker {
     picker: Entity<Picker<ToolPickerDelegate>>,
 }
 
+#[derive(Clone, Copy, Debug, PartialEq)]
+pub enum ToolPickerMode {
+    BuiltinTools,
+    McpTools,
+}
+
 impl ToolPicker {
-    pub fn new(delegate: ToolPickerDelegate, window: &mut Window, cx: &mut Context<Self>) -> Self {
+    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 {}
@@ -41,24 +59,31 @@ impl Render for ToolPicker {
 }
 
 #[derive(Debug, Clone)]
-pub struct ToolEntry {
-    pub name: Arc<str>,
-    pub source: ToolSource,
+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>,
-    tools: Vec<ToolEntry>,
+    items: Arc<Vec<PickerItem>>,
     profile_id: AgentProfileId,
     profile: AgentProfile,
-    matches: Vec<StringMatch>,
+    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>,
@@ -66,33 +91,60 @@ impl ToolPickerDelegate {
         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(),
-            }));
-        }
+        let items = Arc::new(Self::resolve_items(mode, &tool_set, cx));
 
         Self {
             tool_picker: cx.entity().downgrade(),
             thread_store,
             fs,
-            tools: tool_entries,
+            items,
             profile_id,
             profile,
-            matches: Vec::new(),
+            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 = ListItem;
+    type ListItem = AnyElement;
 
     fn match_count(&self) -> usize {
-        self.matches.len()
+        self.filtered_items.len()
     }
 
     fn selected_index(&self) -> usize {
@@ -108,8 +160,25 @@ impl PickerDelegate for ToolPickerDelegate {
         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> {
-        "Search tools…".into()
+        match self.mode {
+            ToolPickerMode::BuiltinTools => "Search built-in tools…",
+            ToolPickerMode::McpTools => "Search MCP servers…",
+        }
+        .into()
     }
 
     fn update_matches(
@@ -118,74 +187,76 @@ impl PickerDelegate for ToolPickerDelegate {
         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<_>>();
+        let all_items = self.items.clone();
 
         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
-            };
+            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.matches = matches;
+                this.delegate.filtered_items = filtered_items;
                 this.delegate.selected_index = this
                     .delegate
                     .selected_index
-                    .min(this.delegate.matches.len().saturating_sub(1));
+                    .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.matches.is_empty() {
+        if self.filtered_items.is_empty() {
             self.dismissed(window, cx);
             return;
         }
 
-        let candidate_id = self.matches[self.selected_index].candidate_id;
-        let tool = &self.tools[candidate_id];
+        let item = &self.filtered_items[self.selected_index];
 
-        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 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;
@@ -200,7 +271,8 @@ impl PickerDelegate for ToolPickerDelegate {
         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();
+            let server_id = server_id.clone();
+            let tool_name = tool_name.clone();
             move |settings: &mut AssistantSettingsContent, _cx| {
                 settings
                     .v2_setting(|v2_settings| {
@@ -228,17 +300,11 @@ impl PickerDelegate for ToolPickerDelegate {
                                         .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;
-                            }
+                        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(())
@@ -259,45 +325,53 @@ impl PickerDelegate for ToolPickerDelegate {
         ix: usize,
         selected: bool,
         _window: &mut Window,
-        _cx: &mut Context<Picker<Self>>,
+        cx: &mut Context<Picker<Self>>,
     ) -> Option<Self::ListItem> {
-        let tool_match = &self.matches[ix];
-        let tool = &self.tools[tool_match.candidate_id];
+        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)
+                };
 
-        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)),
-                        }),
+                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(),
                 )
-                .end_slot::<Icon>(is_enabled.then(|| {
-                    Icon::new(IconName::Check)
-                        .size(IconSize::Small)
-                        .color(Color::Success)
-                })),
-        )
+            }
+        }
     }
 }

crates/agent/src/assistant_model_selector.rs

@@ -9,7 +9,7 @@ use language_model_selector::{
 };
 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 {
@@ -104,35 +104,19 @@ impl Render for AssistantModelSelector {
         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/buffer_codegen.rs

@@ -772,7 +772,7 @@ 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 +781,7 @@ 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 +1095,7 @@ 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 +1165,7 @@ 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 +1234,7 @@ 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 +1300,7 @@ 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 +1360,7 @@ 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 +1464,13 @@ 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

@@ -3,6 +3,7 @@ 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::{HashMap, HashSet};
 use editor::display_map::CreaseId;
@@ -33,6 +34,7 @@ pub enum ContextKind {
     Selection,
     FetchedUrl,
     Thread,
+    TextThread,
     Rules,
     Image,
 }
@@ -46,6 +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,
         }
@@ -65,6 +68,7 @@ pub enum AgentContextHandle {
     Selection(SelectionContextHandle),
     FetchedUrl(FetchedUrlContext),
     Thread(ThreadContextHandle),
+    TextThread(TextThreadContextHandle),
     Rules(RulesContextHandle),
     Image(ImageContext),
 }
@@ -78,6 +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,
         }
@@ -98,6 +103,7 @@ pub enum AgentContext {
     Selection(SelectionContext),
     FetchedUrl(FetchedUrlContext),
     Thread(ThreadContext),
+    TextThread(TextThreadContext),
     Rules(RulesContext),
     Image(ImageContext),
 }
@@ -115,6 +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()),
         }
@@ -609,6 +618,54 @@ 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,
@@ -785,6 +842,7 @@ pub fn load_context(
             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::TextThread(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)),
         }
@@ -810,6 +868,7 @@ 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 {
@@ -820,17 +879,21 @@ 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 {
@@ -846,7 +909,7 @@ pub fn load_context(
         text.push_str(
             "\n<context>\n\
             The following items were attached by the user. \
-            You don't need to use other tools to read them.\n\n",
+            They are up-to-date and don't need to be re-read.\n\n",
         );
 
         if !file_context.is_empty() {
@@ -903,6 +966,15 @@ 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\
@@ -1019,6 +1091,11 @@ 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
     }
@@ -1033,6 +1110,7 @@ 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),
         }

crates/agent/src/context_picker.rs

@@ -6,7 +6,7 @@ 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};
@@ -22,11 +22,14 @@ 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::*,
 };
@@ -37,7 +40,7 @@ use crate::AssistantPanel;
 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,
@@ -447,30 +458,53 @@ impl ContextPicker {
 
     fn add_recent_thread(
         &self,
-        thread: ThreadContextEntry,
+        entry: ThreadContextEntry,
         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, 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 +516,14 @@ 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 +618,14 @@ 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);
 
@@ -605,24 +648,34 @@ fn recent_context_picker_entries(
 
     let active_thread_id = workspace
         .panel::<AssistantPanel>(cx)
-        .map(|panel| panel.read(cx).active_thread(cx).read(cx).id());
+        .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)),
         );
     }
 
@@ -820,7 +873,8 @@ pub enum MentionLink {
     Selection(ProjectPath, Range<usize>),
     Fetch(String),
     Thread(ThreadId),
-    Rules(UserPromptId),
+    TextThread(Arc<Path>),
+    Rule(UserPromptId),
 }
 
 impl MentionLink {
@@ -829,7 +883,9 @@ 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 = ":";
 
@@ -839,7 +895,7 @@ 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 {
@@ -870,15 +926,30 @@ impl MentionLink {
     }
 
     pub fn for_thread(thread: &ThreadContextEntry) -> String {
-        format!("[@{}]({}:{})", thread.summary, Self::THREAD, thread.id)
+        match thread {
+            ThreadContextEntry::Thread { id, title } => {
+                format!("[@{}]({}:{})", title, Self::THREAD, id)
+            }
+            ThreadContextEntry::Context { path, title } => {
+                let filename = path.file_name().unwrap_or_default();
+                let escaped_filename = urlencoding::encode(&filename.to_string_lossy()).to_string();
+                format!(
+                    "[@{}]({}:{}{})",
+                    title,
+                    Self::THREAD,
+                    Self::TEXT_THREAD_URL_PREFIX,
+                    escaped_filename
+                )
+            }
+        }
     }
 
     pub fn for_fetch(url: &str) -> String {
         format!("[@{}]({}:{})", url, Self::FETCH, url)
     }
 
-    pub fn for_rules(rules: &RulesContextEntry) -> String {
-        format!("[@{}]({}:{})", rules.title, Self::RULES, rules.prompt_id.0)
+    pub fn for_rule(rule: &RulesContextEntry) -> String {
+        format!("[@{}]({}:{})", rule.title, Self::RULE, rule.prompt_id.0)
     }
 
     pub fn try_parse(link: &str, workspace: &Entity<Workspace>, cx: &App) -> Option<Self> {
@@ -932,13 +1003,20 @@ 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

@@ -25,7 +25,7 @@ use workspace::Workspace;
 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};
@@ -72,6 +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>> {
@@ -101,9 +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
@@ -236,7 +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 {
@@ -244,13 +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,
         }
     }
 
@@ -397,6 +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
@@ -408,38 +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(),
                 context_store.clone(),
-                move |cx| {
-                    let thread_id = thread_entry.id.clone();
-                    let context_store = context_store.clone();
-                    let thread_store = thread_store.clone();
-                    cx.spawn::<_, Option<_>>(async move |cx| {
-                        let thread: Entity<Thread> = thread_store
-                            .update(cx, |thread_store, cx| {
-                                thread_store.open_thread(&thread_id, cx)
-                            })
-                            .ok()?
-                            .await
-                            .log_err()?;
-                        let context = context_store
-                            .update(cx, |context_store, cx| {
-                                context_store.add_thread(thread, false, cx)
-                            })
-                            .ok()??;
-                        Some(context)
-                    })
+                move |cx| match &thread_entry {
+                    ThreadContextEntry::Thread { id, .. } => {
+                        let thread_id = id.clone();
+                        let context_store = context_store.clone();
+                        let thread_store = thread_store.clone();
+                        cx.spawn::<_, Option<_>>(async move |cx| {
+                            let thread: Entity<Thread> = thread_store
+                                .update(cx, |thread_store, cx| {
+                                    thread_store.open_thread(&thread_id, cx)
+                                })
+                                .ok()?
+                                .await
+                                .log_err()?;
+                            let context = context_store
+                                .update(cx, |context_store, cx| {
+                                    context_store.add_thread(thread, false, cx)
+                                })
+                                .ok()??;
+                            Some(context)
+                        })
+                    }
+                    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)
+                        })
+                    }
                 },
             )),
         }
@@ -452,7 +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(),
@@ -730,16 +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,
         );
 
@@ -757,6 +804,7 @@ impl CompletionProvider for ContextPickerCompletionProvider {
             recent_entries,
             prompt_store,
             thread_store.clone(),
+            text_thread_store.clone(),
             workspace.clone(),
             cx,
         );
@@ -772,11 +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,
@@ -802,6 +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,
@@ -810,6 +866,7 @@ impl CompletionProvider for ContextPickerCompletionProvider {
                                 editor.clone(),
                                 context_store.clone(),
                                 thread_store,
+                                text_thread_store,
                             ))
                         }
 
@@ -1138,6 +1195,7 @@ mod tests {
                         "five.txt": "",
                         "six.txt": "",
                         "seven.txt": "",
+                        "eight.txt": "",
                     }
                 }),
             )
@@ -1164,9 +1222,12 @@ 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 {
@@ -1181,6 +1242,7 @@ mod tests {
                 })
                 .await
                 .unwrap();
+            opened_editors.push(buffer);
         }
 
         let editor = workspace.update_in(&mut cx, |workspace, window, cx| {
@@ -1210,12 +1272,24 @@ 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/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| {
@@ -124,24 +159,48 @@ impl PickerDelegate for ThreadContextPickerDelegate {
             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, 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 +1,15 @@
 use std::sync::Arc;
 
 use anyhow::Context as _;
-use context_server::ContextServerDescriptorRegistry;
+use context_server::ContextServerId;
 use extension::ExtensionManifest;
 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::assistant_configuration::ConfigureContextServerModal;
 
 pub(crate) fn init(language_registry: Arc<LanguageRegistry>, cx: &mut App) {
     cx.observe_new(move |_: &mut Workspace, window, cx| {
@@ -60,18 +61,10 @@ 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 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()
@@ -80,15 +73,15 @@ fn show_configure_mcp_modal(
             |key| {
                 let descriptor = registry.context_server_descriptor(&key)?;
                 Some(cx.spawn({
-                    let project = project.clone();
+                    let worktree_store = worktree_store.clone();
                     async move |_, cx| {
                         descriptor
-                            .configuration(project, &cx)
+                            .configuration(worktree_store.clone(), &cx)
                             .await
                             .context("Failed to resolve context server configuration")
                             .log_err()
                             .flatten()
-                            .map(|config| (key, config))
+                            .map(|config| (ContextServerId(key), config))
                     }
                 }))
             }
@@ -104,8 +97,8 @@ fn show_configure_mcp_modal(
         this.update_in(cx, |this, window, cx| {
             let modal = ConfigureContextServerModal::new(
                 descriptors.into_iter().flatten(),
+                context_server_store,
                 jsonc_language,
-                context_server_manager,
                 language_registry,
                 cx.entity().downgrade(),
                 window,

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 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(),
         }
     }
 
@@ -80,7 +78,7 @@ impl Tool for ContextServerTool {
         _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();

crates/agent/src/context_store.rs

@@ -1,8 +1,9 @@
 use std::ops::Range;
-use std::path::PathBuf;
+use std::path::{Path, PathBuf};
 use std::sync::Arc;
 
 use anyhow::{Result, anyhow};
+use assistant_context_editor::AssistantContext;
 use collections::{HashSet, IndexSet};
 use futures::{self, FutureExt};
 use gpui::{App, Context, Entity, EventEmitter, Image, SharedString, Task, WeakEntity};
@@ -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};
@@ -29,6 +30,7 @@ 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 {
@@ -48,6 +50,7 @@ impl ContextStore {
             next_context_id: ContextId::zero(),
             context_set: IndexSet::default(),
             context_thread_ids: HashSet::default(),
+            context_text_thread_paths: HashSet::default(),
         }
     }
 
@@ -227,6 +230,31 @@ impl ContextStore {
         }
     }
 
+    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)
+        }
+    }
+
     pub fn add_rules(
         &mut self,
         prompt_id: UserPromptId,
@@ -364,6 +392,18 @@ 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,
+                    );
+                }
+            }
         }
     }
 
@@ -380,6 +420,10 @@ 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));
@@ -399,6 +443,11 @@ impl ContextStore {
                     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));
@@ -468,6 +517,10 @@ 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))
@@ -496,6 +549,7 @@ 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;
@@ -11,14 +12,14 @@ 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,
@@ -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,
@@ -141,27 +144,42 @@ impl ContextStrip {
         }
 
         let workspace = self.workspace.upgrade()?;
-        let active_thread = workspace
-            .read(cx)
-            .panel::<AssistantPanel>(cx)?
-            .read(cx)
-            .active_thread(cx);
-        let weak_active_thread = active_thread.downgrade();
+        let panel = workspace.read(cx).panel::<AssistantPanel>(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 +375,7 @@ impl Focusable for ContextStrip {
 }
 
 impl Render for ContextStrip {
-    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+    fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
         let context_picker = self.context_picker.clone();
         let focus_handle = self.focus_handle.clone();
 
@@ -434,30 +452,6 @@ 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 +556,10 @@ pub enum SuggestedContext {
         name: SharedString,
         thread: WeakEntity<Thread>,
     },
+    TextThread {
+        name: SharedString,
+        context: WeakEntity<AssistantContext>,
+    },
 }
 
 impl SuggestedContext {
@@ -569,6 +567,7 @@ impl SuggestedContext {
         match self {
             Self::File { name, .. } => name,
             Self::Thread { name, .. } => name,
+            Self::TextThread { name, .. } => name,
         }
     }
 
@@ -576,6 +575,7 @@ impl SuggestedContext {
         match self {
             Self::File { icon_path, .. } => icon_path.clone(),
             Self::Thread { .. } => None,
+            Self::TextThread { .. } => None,
         }
     }
 
@@ -583,6 +583,7 @@ 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::Free,
+            custom_prompt_usage: RequestUsage {
+                limit: UsageLimit::Unlimited,
+                amount: 0,
+            },
+            usage_based_billing_enabled: false,
+            // $50.00
+            monthly_spending_cap: 5000,
+            custom_edit_prediction_usage: UsageLimit::Unlimited,
+        }
+    }
+}
+
+impl DebugAccountState {
+    pub fn get_global(cx: &App) -> &Self {
+        &cx.global::<GlobalDebugAccountState>().0
+    }
+}
+
+#[derive(Clone, Debug)]
+pub struct GlobalDebugAccountState(pub DebugAccountState);
+
+impl Global for GlobalDebugAccountState {}
+
+impl Deref for GlobalDebugAccountState {
+    type Target = DebugAccountState;
+
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+impl DerefMut for GlobalDebugAccountState {
+    fn deref_mut(&mut self) -> &mut Self::Target {
+        &mut self.0
+    }
+}
+
+pub trait DebugAccount {
+    fn debug_account(&self) -> &DebugAccountState;
+}
+
+impl DebugAccount for App {
+    fn debug_account(&self) -> &DebugAccountState {
+        &self.global::<GlobalDebugAccountState>().0
+    }
+}

crates/agent/src/history_store.rs

@@ -163,7 +163,10 @@ 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

@@ -48,6 +48,7 @@ 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(
@@ -192,16 +193,20 @@ impl InlineAssistant {
         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)
+                    let panel = workspace.read(cx).panel::<AssistantPanel>(cx);
+                    let thread_store = panel
+                        .as_ref()
                         .map(|assistant_panel| assistant_panel.read(cx).thread_store().downgrade());
+                    let text_thread_store = panel.map(|assistant_panel| {
+                        assistant_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 +227,7 @@ 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>,
     ) {
@@ -246,13 +251,15 @@ 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(assistant_panel) = workspace.panel::<AssistantPanel>(cx) else {
+            return;
+        };
+        let assistant_panel = assistant_panel.read(cx);
+
+        let prompt_store = assistant_panel.prompt_store().as_ref().cloned();
+        let thread_store = Some(assistant_panel.thread_store().downgrade());
+        let text_thread_store = Some(assistant_panel.text_thread_store().downgrade());
+        let context_store = assistant_panel.inline_assist_context_store().clone();
 
         let handle_assist =
             |window: &mut Window, cx: &mut Context<Workspace>| match inline_assist_target {
@@ -261,9 +268,12 @@ 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 +287,8 @@ impl InlineAssistant {
                             workspace.project().downgrade(),
                             prompt_store,
                             thread_store,
+                            text_thread_store,
+                            action.prompt.clone(),
                             window,
                             cx,
                         )
@@ -329,9 +341,12 @@ 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,
     ) {
@@ -430,15 +445,17 @@ 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(),
@@ -462,9 +479,10 @@ impl InlineAssistant {
                     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 +555,7 @@ 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 {
@@ -582,6 +601,7 @@ impl InlineAssistant {
                 context_store,
                 workspace.downgrade(),
                 thread_store,
+                text_thread_store,
                 window,
                 cx,
             )
@@ -1729,6 +1749,7 @@ 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";
@@ -1803,6 +1824,7 @@ 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")?;
@@ -1855,6 +1877,7 @@ impl CodeActionProvider for AssistantCodeActionProvider {
                     workspace,
                     prompt_store,
                     thread_store,
+                    text_thread_store,
                     window,
                     cx,
                 );

crates/agent/src/inline_prompt_editor.rs

@@ -6,13 +6,14 @@ use crate::context_store::ContextStore;
 use crate::context_strip::{ContextStrip, ContextStripEvent, SuggestContextKind};
 use crate::message_editor::{extract_message_creases, insert_message_creases};
 use crate::terminal_codegen::TerminalCodegen;
-use crate::thread_store::ThreadStore;
+use crate::thread_store::{TextThreadStore, ThreadStore};
 use crate::{CycleNextInlineAssist, CyclePreviousInlineAssist};
 use crate::{RemoveAllContext, ToggleContextPicker};
 use client::ErrorExt;
 use collections::VecDeque;
 use editor::{
-    Editor, EditorElement, EditorEvent, EditorMode, EditorStyle, GutterDimensions, MultiBuffer,
+    ContextMenuOptions, Editor, EditorElement, EditorEvent, EditorMode, EditorStyle,
+    GutterDimensions, MultiBuffer,
     actions::{MoveDown, MoveUp},
 };
 use feature_flags::{FeatureFlagAppExt as _, ZedProFeatureFlag};
@@ -845,10 +846,12 @@ 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,
@@ -872,15 +875,24 @@ impl PromptEditor<BufferCodegen> {
             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),
             ))));
         });
 
@@ -892,6 +904,7 @@ impl PromptEditor<BufferCodegen> {
                 context_store.clone(),
                 workspace.clone(),
                 thread_store.clone(),
+                text_thread_store.clone(),
                 context_picker_menu_handle.clone(),
                 SuggestContextKind::Thread,
                 window,
@@ -1013,6 +1026,7 @@ 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 {
@@ -1035,6 +1049,11 @@ 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
         });
 
@@ -1044,7 +1063,9 @@ impl PromptEditor<TerminalCodegen> {
                 workspace.clone(),
                 context_store.downgrade(),
                 thread_store.clone(),
+                text_thread_store.clone(),
                 prompt_editor_entity,
+                None,
             ))));
         });
 
@@ -1056,6 +1077,7 @@ impl PromptEditor<TerminalCodegen> {
                 context_store.clone(),
                 workspace.clone(),
                 thread_store.clone(),
+                text_thread_store.clone(),
                 context_picker_menu_handle.clone(),
                 SuggestContextKind::Thread,
                 window,

crates/agent/src/message_editor.rs

@@ -4,8 +4,12 @@ use std::sync::Arc;
 use crate::assistant_model_selector::{AssistantModelSelector, 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 buffer_diff::BufferDiff;
+use client::UserStore;
 use collections::{HashMap, HashSet};
 use editor::actions::{MoveUp, Paste};
 use editor::{
@@ -22,17 +26,19 @@ 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::{ConfiguredModel, LanguageModelRequestMessage, MessageContent, RequestUsage};
 use language_model_selector::ToggleModelSelector;
 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 ui::{Disclosure, DocumentationSide, KeyBinding, PopoverMenuHandle, Tooltip, prelude::*};
+use util::{ResultExt as _, maybe};
+use workspace::dock::DockPosition;
+use workspace::{CollaboratorId, Workspace};
 use zed_llm_client::CompletionMode;
 
 use crate::context_picker::{ContextPicker, ContextPickerCompletionProvider, crease_for_mention};
@@ -40,10 +46,10 @@ use crate::context_store::ContextStore;
 use crate::context_strip::{ContextStrip, ContextStripEvent, SuggestContextKind};
 use crate::profile_selector::ProfileSelector;
 use crate::thread::{MessageCrease, Thread, TokenUsageRatio};
-use crate::thread_store::ThreadStore;
+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)]
@@ -53,6 +59,7 @@ 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>,
@@ -74,6 +81,7 @@ 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 +105,7 @@ 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 {
@@ -115,20 +123,33 @@ pub(crate) fn create_editor(
             workspace,
             context_store,
             Some(thread_store),
+            Some(text_thread_store),
             editor_entity,
+            None,
         ))));
     });
     editor
 }
 
+fn documentation_side(position: DockPosition) -> DocumentationSide {
+    match position {
+        DockPosition::Left => DocumentationSide::Right,
+        DockPosition::Bottom => DocumentationSide::Left,
+        DockPosition::Right => DocumentationSide::Left,
+    }
+}
+
 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>,
+        dock_position: DockPosition,
         window: &mut Window,
         cx: &mut Context<Self>,
     ) -> Self {
@@ -139,6 +160,7 @@ impl MessageEditor {
             workspace.clone(),
             context_store.downgrade(),
             thread_store.clone(),
+            text_thread_store.clone(),
             window,
             cx,
         );
@@ -148,6 +170,7 @@ impl MessageEditor {
                 context_store.clone(),
                 workspace.clone(),
                 Some(thread_store.clone()),
+                Some(text_thread_store.clone()),
                 context_picker_menu_handle.clone(),
                 SuggestContextKind::File,
                 window,
@@ -168,6 +191,9 @@ 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| {
@@ -184,6 +210,7 @@ impl MessageEditor {
         Self {
             editor: editor.clone(),
             project: thread.read(cx).project().clone(),
+            user_store,
             thread,
             incompatible_tools_state: incompatible_tools.clone(),
             workspace,
@@ -196,8 +223,15 @@ 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: cx.new(|cx| {
+                ProfileSelector::new(
+                    fs,
+                    thread_store,
+                    editor.focus_handle(cx),
+                    documentation_side(dock_position),
+                    cx,
+                )
+            }),
             last_estimated_token_count: None,
             update_token_count_task: None,
             _subscriptions: subscriptions,
@@ -404,7 +438,7 @@ 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();
     }
 
@@ -414,7 +448,8 @@ 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));
@@ -447,18 +482,51 @@ impl MessageEditor {
                         });
                     });
                 }))
-                .tooltip(Tooltip::text("Toggle Max Mode"))
+                .tooltip(|_, cx| cx.new(MaxModeTooltip::new).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();
 
@@ -517,34 +585,39 @@ 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()
@@ -559,6 +632,10 @@ impl MessageEditor {
                             .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,
@@ -587,7 +664,12 @@ 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()
@@ -610,7 +692,7 @@ 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();
@@ -976,79 +1058,97 @@ impl MessageEditor {
             })
     }
 
+    fn render_usage_callout(&self, line_height: Pixels, cx: &mut Context<Self>) -> Option<Div> {
+        if !cx.has_flag::<NewBillingFeatureFlag>() {
+            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::Free,
+                Plan::ZedPro => zed_llm_client::Plan::ZedPro,
+                Plan::ZedProTrial => zed_llm_client::Plan::ZedProTrial,
+            })
+            .unwrap_or(zed_llm_client::Plan::Free);
+        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> {
+        if !cx.has_flag::<NewBillingFeatureFlag>() {
+            return None;
+        }
+
+        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> {
@@ -1170,6 +1270,12 @@ impl MessageEditor {
             .ok();
         }));
     }
+
+    pub fn set_dock_position(&mut self, position: DockPosition, cx: &mut Context<Self>) {
+        self.profile_selector.update(cx, |profile_selector, cx| {
+            profile_selector.set_documentation_side(documentation_side(position), cx)
+        });
+    }
 }
 
 pub fn extract_message_creases(
@@ -1244,17 +1350,24 @@ 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
+                }
             })
     }
 }
@@ -1300,30 +1413,43 @@ 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,
+                    DockPosition::Left,
                     window,
                     cx,
                 )
@@ -1333,8 +1459,15 @@ 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

@@ -1,13 +1,14 @@
 use std::sync::Arc;
 
-use assistant_settings::{AgentProfile, AgentProfileId, AssistantSettings};
+use assistant_settings::{
+    AgentProfile, AgentProfileId, 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 _;
@@ -15,12 +16,13 @@ use util::ResultExt as _;
 use crate::{ManageProfiles, ThreadStore, ToggleProfileSelector};
 
 pub struct ProfileSelector {
-    profiles: IndexMap<AgentProfileId, AgentProfile>,
+    profiles: GroupedAgentProfiles,
     fs: Arc<dyn Fs>,
     thread_store: WeakEntity<ThreadStore>,
-    focus_handle: FocusHandle,
     menu_handle: PopoverMenuHandle<ContextMenu>,
+    focus_handle: FocusHandle,
     _subscriptions: Vec<Subscription>,
+    documentation_side: DocumentationSide,
 }
 
 impl ProfileSelector {
@@ -28,23 +30,27 @@ impl ProfileSelector {
         fs: Arc<dyn Fs>,
         thread_store: WeakEntity<ThreadStore>,
         focus_handle: FocusHandle,
+        documentation_side: DocumentationSide,
         cx: &mut Context<Self>,
     ) -> Self {
         let settings_subscription = cx.observe_global::<SettingsStore>(move |this, cx| {
             this.refresh_profiles(cx);
         });
 
-        let mut this = Self {
-            profiles: IndexMap::default(),
+        Self {
+            profiles: GroupedAgentProfiles::from_settings(AssistantSettings::get_global(cx)),
             fs,
             thread_store,
-            focus_handle,
             menu_handle: PopoverMenuHandle::default(),
+            focus_handle,
             _subscriptions: vec![settings_subscription],
-        };
-        this.refresh_profiles(cx);
+            documentation_side,
+        }
+    }
 
-        this
+    pub fn set_documentation_side(&mut self, side: DocumentationSide, cx: &mut Context<Self>) {
+        self.documentation_side = side;
+        cx.notify();
     }
 
     pub fn menu_handle(&self) -> PopoverMenuHandle<ContextMenu> {
@@ -52,9 +58,7 @@ 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 +68,21 @@ impl ProfileSelector {
     ) -> Entity<ContextMenu> {
         ContextMenu::build(window, cx, |mut menu, _window, cx| {
             let settings = AssistantSettings::get_global(cx);
-            let icon_position = IconPosition::End;
-
-            menu = menu.header("Profiles");
-            for (profile_id, profile) in self.profiles.clone() {
-                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));
             }
 
-            menu = menu.separator();
-            menu = menu.header("Customize Current Profile");
-            menu = menu.item(ContextMenuEntry::new("Tools…").handler({
-                let profile_id = settings.default_profile.clone();
-                move |window, cx| {
-                    window.dispatch_action(
-                        ManageProfiles::customize_tools(profile_id.clone()).boxed_clone(),
-                        cx,
-                    );
+            if !self.profiles.custom.is_empty() {
+                menu = menu.separator().header("Custom Profiles");
+                for (profile_id, profile) in self.profiles.custom.iter() {
+                    menu = menu.item(self.menu_entry_for_profile(
+                        profile_id.clone(),
+                        profile,
+                        settings,
+                    ));
                 }
-            }));
+            }
 
             menu = menu.separator();
             menu = menu.item(ContextMenuEntry::new("Configure Profiles…").handler(
@@ -127,10 +94,55 @@ impl ProfileSelector {
             menu
         })
     }
+
+    fn menu_entry_for_profile(
+        &self,
+        profile_id: AgentProfileId,
+        profile: &AgentProfile,
+        settings: &AssistantSettings,
+    ) -> ContextMenuEntry {
+        let documentation = match profile.name.to_lowercase().as_str() {
+            builtin_profiles::WRITE => Some("Get help to write anything."),
+            builtin_profiles::ASK => Some("Chat about your codebase."),
+            builtin_profiles::MINIMAL => Some("Chat about anything with no tools."),
+            _ => None,
+        };
+
+        let entry = ContextMenuEntry::new(profile.name.clone())
+            .toggleable(IconPosition::End, profile_id == settings.default_profile);
+
+        let entry = if let Some(doc_text) = documentation {
+            entry.documentation_aside(self.documentation_side, 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);
@@ -144,58 +156,46 @@ impl Render for ProfileSelector {
             .default_model()
             .map_or(false, |default| default.model.supports_tools());
 
-        let icon = match profile_id.as_str() {
-            "write" => IconName::Pencil,
-            "ask" => IconName::MessageBubbles,
-            _ => IconName::UserRoundPen,
-        };
-
         let this = cx.entity().clone();
         let focus_handle = self.focus_handle.clone();
 
+        let trigger_button = if supports_tools {
+            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)
+        } else {
+            Button::new("tools-not-supported-button", "No Tools")
+                .disabled(true)
+                .label_size(LabelSize::Small)
+                .color(Color::Muted)
+                .tooltip(Tooltip::text("The current model does not support tools."))
+        };
+
         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,
+                    )
+                }
+            })
+            .anchor(if self.documentation_side == DocumentationSide::Left {
+                gpui::Corner::BottomRight
+            } else {
+                gpui::Corner::BottomLeft
+            })
+            .with_handle(self.menu_handle.clone())
             .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),
-                        )
-                        .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.)))
-                        })),
-                )
-            } 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())
     }
 }

crates/agent/src/terminal_inline_assistant.rs

@@ -4,7 +4,7 @@ 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 client::telemetry::Telemetry;
 use collections::{HashMap, VecDeque};
@@ -71,13 +71,19 @@ 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 +97,7 @@ impl TerminalInlineAssistant {
                 context_store.clone(),
                 workspace.clone(),
                 thread_store.clone(),
+                text_thread_store.clone(),
                 window,
                 cx,
             )

crates/agent/src/thread.rs

@@ -37,7 +37,7 @@ use settings::Settings;
 use thiserror::Error;
 use util::{ResultExt as _, TryFutureExt as _, post_inc};
 use uuid::Uuid;
-use zed_llm_client::CompletionMode;
+use zed_llm_client::{CompletionMode, CompletionRequestStatus};
 
 use crate::ThreadStore;
 use crate::context::{AgentContext, AgentContextHandle, ContextLoadResult, LoadedContext};
@@ -320,6 +320,13 @@ fn default_completion_mode(cx: &App) -> CompletionMode {
     }
 }
 
+#[derive(Debug, Clone, Copy)]
+pub enum QueueState {
+    Sending,
+    Queued { position: usize },
+    Started,
+}
+
 /// A thread of conversation with the LLM.
 pub struct Thread {
     id: ThreadId,
@@ -348,9 +355,12 @@ pub struct Thread {
     request_token_usage: Vec<TokenUsage>,
     cumulative_token_usage: TokenUsage,
     exceeded_window_error: Option<ExceededWindowError>,
+    last_usage: Option<RequestUsage>,
+    tool_use_limit_reached: bool,
     feedback: Option<ThreadFeedback>,
     message_feedback: HashMap<MessageId, ThreadFeedback>,
     last_auto_capture_at: Option<Instant>,
+    last_received_chunk_at: Option<Instant>,
     request_callback: Option<
         Box<dyn FnMut(&LanguageModelRequest, &[Result<LanguageModelCompletionEvent, String>])>,
     >,
@@ -409,9 +419,12 @@ impl Thread {
             request_token_usage: Vec::new(),
             cumulative_token_usage: TokenUsage::default(),
             exceeded_window_error: None,
+            last_usage: None,
+            tool_use_limit_reached: false,
             feedback: None,
             message_feedback: HashMap::default(),
             last_auto_capture_at: None,
+            last_received_chunk_at: None,
             request_callback: None,
             remaining_turns: u32::MAX,
             configured_model,
@@ -515,9 +528,12 @@ impl Thread {
             request_token_usage: serialized.request_token_usage,
             cumulative_token_usage: serialized.cumulative_token_usage,
             exceeded_window_error: None,
+            last_usage: None,
+            tool_use_limit_reached: false,
             feedback: None,
             message_feedback: HashMap::default(),
             last_auto_capture_at: None,
+            last_received_chunk_at: None,
             request_callback: None,
             remaining_turns: u32::MAX,
             configured_model,
@@ -625,6 +641,25 @@ impl Thread {
         !self.pending_completions.is_empty() || !self.all_tools_finished()
     }
 
+    /// Indicates whether streaming of language model events is stale.
+    /// When `is_generating()` is false, this method returns `None`.
+    pub fn is_generation_stale(&self) -> Option<bool> {
+        const STALE_THRESHOLD: u128 = 250;
+
+        self.last_received_chunk_at
+            .map(|instant| instant.elapsed().as_millis() > STALE_THRESHOLD)
+    }
+
+    fn received_chunk(&mut self) {
+        self.last_received_chunk_at = Some(Instant::now());
+    }
+
+    pub fn queue_state(&self) -> Option<QueueState> {
+        self.pending_completions
+            .first()
+            .map(|pending_completion| pending_completion.queue_state)
+    }
+
     pub fn tools(&self) -> &Entity<ToolWorkingSet> {
         &self.tools
     }
@@ -785,6 +820,14 @@ impl Thread {
             .unwrap_or(false)
     }
 
+    pub fn last_usage(&self) -> Option<RequestUsage> {
+        self.last_usage
+    }
+
+    pub fn tool_use_limit_reached(&self) -> bool {
+        self.tool_use_limit_reached
+    }
+
     /// Returns whether all of the tool uses have finished running.
     pub fn all_tools_finished(&self) -> bool {
         // If the only pending tool uses left are the ones with errors, then
@@ -855,7 +898,7 @@ impl Thread {
         if !loaded_context.referenced_buffers.is_empty() {
             self.action_log.update(cx, |log, cx| {
                 for buffer in loaded_context.referenced_buffers {
-                    log.track_buffer(buffer, cx);
+                    log.buffer_read(buffer, cx);
                 }
             });
         }
@@ -955,7 +998,7 @@ impl Thread {
         for message in &self.messages {
             text.push_str(match message.role {
                 language_model::Role::User => "User:",
-                language_model::Role::Assistant => "Assistant:",
+                language_model::Role::Assistant => "Agent:",
                 language_model::Role::System => "System:",
             });
             text.push('\n');
@@ -1302,6 +1345,8 @@ impl Thread {
         window: Option<AnyWindowHandle>,
         cx: &mut Context<Self>,
     ) {
+        self.tool_use_limit_reached = false;
+
         let pending_completion_id = post_inc(&mut self.completion_count);
         let mut request_callback_parameters = if self.request_callback.is_some() {
             Some((request.clone(), Vec::new()))
@@ -1315,23 +1360,23 @@ impl Thread {
             prompt_id: prompt_id.clone(),
         };
 
+        self.last_received_chunk_at = Some(Instant::now());
+
         let task = cx.spawn(async move |thread, cx| {
-            let stream_completion_future = model.stream_completion_with_usage(request, &cx);
+            let stream_completion_future = model.stream_completion(request, &cx);
             let initial_token_usage =
                 thread.read_with(cx, |thread, _cx| thread.cumulative_token_usage);
             let stream_completion = async {
-                let (mut events, usage) = stream_completion_future.await?;
+                let mut events = stream_completion_future.await?;
 
                 let mut stop_reason = StopReason::EndTurn;
                 let mut current_token_usage = TokenUsage::default();
 
-                if let Some(usage) = usage {
-                    thread
-                        .update(cx, |_thread, cx| {
-                            cx.emit(ThreadEvent::UsageUpdated(usage));
-                        })
-                        .ok();
-                }
+                thread
+                    .update(cx, |_thread, cx| {
+                        cx.emit(ThreadEvent::NewRequest);
+                    })
+                    .ok();
 
                 let mut request_assistant_message_id = None;
 
@@ -1384,6 +1429,8 @@ impl Thread {
                                 current_token_usage = token_usage;
                             }
                             LanguageModelCompletionEvent::Text(chunk) => {
+                                thread.received_chunk();
+
                                 cx.emit(ThreadEvent::ReceivedTextChunk);
                                 if let Some(last_message) = thread.messages.last_mut() {
                                     if last_message.role == Role::Assistant
@@ -1412,6 +1459,8 @@ impl Thread {
                                 text: chunk,
                                 signature,
                             } => {
+                                thread.received_chunk();
+
                                 if let Some(last_message) = thread.messages.last_mut() {
                                     if last_message.role == Role::Assistant
                                         && !thread.tool_use.has_tool_results(last_message.id)
@@ -1470,6 +1519,39 @@ impl Thread {
                                     });
                                 }
                             }
+                            LanguageModelCompletionEvent::StatusUpdate(status_update) => {
+                                if let Some(completion) = thread
+                                    .pending_completions
+                                    .iter_mut()
+                                    .find(|completion| completion.id == pending_completion_id)
+                                {
+                                    match status_update {
+                                        CompletionRequestStatus::Queued {
+                                            position,
+                                        } => {
+                                            completion.queue_state = QueueState::Queued { position };
+                                        }
+                                        CompletionRequestStatus::Started => {
+                                            completion.queue_state =  QueueState::Started;
+                                        }
+                                        CompletionRequestStatus::Failed {
+                                            code, message
+                                        } => {
+                                            return Err(anyhow!("completion request failed. code: {code}, message: {message}"));
+                                        }
+                                        CompletionRequestStatus::UsageUpdated {
+                                            amount, limit
+                                        } => {
+                                            let usage = RequestUsage { limit, amount: amount as i32 };
+
+                                            thread.last_usage = Some(usage);
+                                        }
+                                        CompletionRequestStatus::ToolUseLimitReached => {
+                                            thread.tool_use_limit_reached = true;
+                                        }
+                                    }
+                                }
+                            }
                         }
 
                         thread.touch_updated_at();
@@ -1484,6 +1566,7 @@ impl Thread {
                 }
 
                 thread.update(cx, |thread, cx| {
+                    thread.last_received_chunk_at = None;
                     thread
                         .pending_completions
                         .retain(|completion| completion.id != pending_completion_id);
@@ -1512,10 +1595,17 @@ impl Thread {
                                 let tool_uses = thread.use_pending_tools(window, cx, model.clone());
                                 cx.emit(ThreadEvent::UsePendingTools { tool_uses });
                             }
-                            StopReason::EndTurn => {}
-                            StopReason::MaxTokens => {}
+                            StopReason::EndTurn | StopReason::MaxTokens  => {
+                                thread.project.update(cx, |project, cx| {
+                                    project.set_agent_location(None, cx);
+                                });
+                            }
                         },
                         Err(error) => {
+                            thread.project.update(cx, |project, cx| {
+                                project.set_agent_location(None, cx);
+                            });
+
                             if error.is::<PaymentRequiredError>() {
                                 cx.emit(ThreadEvent::ShowError(ThreadError::PaymentRequired));
                             } else if error.is::<MaxMonthlySpendReachedError>() {
@@ -1590,6 +1680,7 @@ impl Thread {
 
         self.pending_completions.push(PendingCompletion {
             id: pending_completion_id,
+            queue_state: QueueState::Sending,
             _task: task,
         });
     }
@@ -1612,19 +1703,27 @@ impl Thread {
 
         self.pending_summary = cx.spawn(async move |this, cx| {
             async move {
-                let stream = model.model.stream_completion_text_with_usage(request, &cx);
-                let (mut messages, usage) = stream.await?;
-
-                if let Some(usage) = usage {
-                    this.update(cx, |_thread, cx| {
-                        cx.emit(ThreadEvent::UsageUpdated(usage));
-                    })
-                    .ok();
-                }
+                let mut messages = model.model.stream_completion(request, &cx).await?;
 
                 let mut new_summary = String::new();
-                while let Some(message) = messages.stream.next().await {
-                    let text = message?;
+                while let Some(event) = messages.next().await {
+                    let event = event?;
+                    let text = match event {
+                        LanguageModelCompletionEvent::Text(text) => text,
+                        LanguageModelCompletionEvent::StatusUpdate(
+                            CompletionRequestStatus::UsageUpdated { amount, limit },
+                        ) => {
+                            this.update(cx, |thread, _cx| {
+                                thread.last_usage = Some(RequestUsage {
+                                    limit,
+                                    amount: amount as i32,
+                                });
+                            })?;
+                            continue;
+                        }
+                        _ => continue,
+                    };
+
                     let mut lines = text.lines();
                     new_summary.extend(lines.next());
 
@@ -1812,12 +1911,54 @@ impl Thread {
                         cx,
                     );
                 }
+            } else {
+                self.handle_hallucinated_tool_use(
+                    tool_use.id.clone(),
+                    tool_use.name.clone(),
+                    window,
+                    cx,
+                );
             }
         }
 
         pending_tool_uses
     }
 
+    pub fn handle_hallucinated_tool_use(
+        &mut self,
+        tool_use_id: LanguageModelToolUseId,
+        hallucinated_tool_name: Arc<str>,
+        window: Option<AnyWindowHandle>,
+        cx: &mut Context<Thread>,
+    ) {
+        let available_tools = self.tools.read(cx).enabled_tools(cx);
+
+        let tool_list = available_tools
+            .iter()
+            .map(|tool| format!("- {}: {}", tool.name(), tool.description()))
+            .collect::<Vec<_>>()
+            .join("\n");
+
+        let error_message = format!(
+            "The tool '{}' doesn't exist or is not enabled. Available tools:\n{}",
+            hallucinated_tool_name, tool_list
+        );
+
+        let pending_tool_use = self.tool_use.insert_tool_output(
+            tool_use_id.clone(),
+            hallucinated_tool_name,
+            Err(anyhow!("Missing tool call: {error_message}")),
+            self.configured_model.as_ref(),
+        );
+
+        cx.emit(ThreadEvent::MissingToolUse {
+            tool_use_id: tool_use_id.clone(),
+            ui_text: error_message.into(),
+        });
+
+        self.tool_finished(tool_use_id, pending_tool_use, false, window, cx);
+    }
+
     pub fn receive_invalid_tool_json(
         &mut self,
         tool_use_id: LanguageModelToolUseId,
@@ -1962,6 +2103,11 @@ impl Thread {
         }
 
         self.finalize_pending_checkpoint(cx);
+
+        if canceled {
+            cx.emit(ThreadEvent::CompletionCanceled);
+        }
+
         canceled
     }
 
@@ -2214,7 +2360,7 @@ impl Thread {
                 "## {role}\n",
                 role = match message.role {
                     Role::User => "User",
-                    Role::Assistant => "Assistant",
+                    Role::Assistant => "Agent",
                     Role::System => "System",
                 }
             )?;
@@ -2460,9 +2606,9 @@ pub enum ThreadError {
 #[derive(Debug, Clone)]
 pub enum ThreadEvent {
     ShowError(ThreadError),
-    UsageUpdated(RequestUsage),
     StreamedCompletion,
     ReceivedTextChunk,
+    NewRequest,
     StreamedAssistantText(MessageId, String),
     StreamedAssistantThinking(MessageId, String),
     StreamedToolUse {
@@ -2470,6 +2616,10 @@ pub enum ThreadEvent {
         ui_text: Arc<str>,
         input: serde_json::Value,
     },
+    MissingToolUse {
+        tool_use_id: LanguageModelToolUseId,
+        ui_text: Arc<str>,
+    },
     InvalidToolInput {
         tool_use_id: LanguageModelToolUseId,
         ui_text: Arc<str>,
@@ -2493,12 +2643,14 @@ pub enum ThreadEvent {
     CheckpointChanged,
     ToolConfirmationNeeded,
     CancelEditing,
+    CompletionCanceled,
 }
 
 impl EventEmitter<ThreadEvent> for Thread {}
 
 struct PendingCompletion {
     id: usize,
+    queue_state: QueueState,
     _task: Task<()>,
 }
 
@@ -2508,7 +2660,6 @@ mod tests {
     use crate::{ThreadStore, context::load_context, context_store::ContextStore, thread_store};
     use assistant_settings::AssistantSettings;
     use assistant_tool::ToolRegistry;
-    use context_server::ContextServerSettings;
     use editor::EditorSettings;
     use gpui::TestAppContext;
     use language_model::fake_provider::FakeLanguageModel;
@@ -2566,7 +2717,7 @@ mod tests {
         let expected_context = format!(
             r#"
 <context>
-The following items were attached by the user. You don't need to use other tools to read them.
+The following items were attached by the user. They are up-to-date and don't need to be re-read.
 
 <files>
 ```rs {path_part}
@@ -2930,7 +3081,6 @@ fn main() {{
             workspace::init_settings(cx);
             language_model::init_settings(cx);
             ThemeSettings::register(cx);
-            ContextServerSettings::register(cx);
             EditorSettings::register(cx);
             ToolRegistry::default_global(cx);
         });

crates/agent/src/thread_store.rs

@@ -9,8 +9,7 @@ use assistant_settings::{AgentProfile, AgentProfileId, AssistantSettings};
 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 _};
@@ -21,6 +20,7 @@ use gpui::{
 use heed::Database;
 use heed::types::SerdeBincode;
 use language_model::{LanguageModelToolUseId, Role, TokenUsage};
+use project::context_server_store::{ContextServerStatus, ContextServerStore};
 use project::{Project, ProjectItem, ProjectPath, Worktree};
 use prompt_store::{
     ProjectContext, PromptBuilder, PromptId, PromptStore, PromptsUpdatedEvent, RulesFileContext,
@@ -30,6 +30,7 @@ use serde::{Deserialize, Serialize};
 use settings::{Settings as _, SettingsStore};
 use util::ResultExt as _;
 
+use crate::context_server_tool::ContextServerTool;
 use crate::thread::{
     DetailedSummaryState, ExceededWindowError, MessageId, ProjectSnapshot, Thread, ThreadId,
 };
@@ -57,13 +58,14 @@ 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 +110,6 @@ 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 +156,6 @@ 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 +350,6 @@ 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 +363,10 @@ 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));
@@ -494,11 +490,17 @@ impl ThreadStore {
         });
 
         if profile.enable_all_context_servers {
-            for context_server in self.context_server_manager.read(cx).all_servers() {
+            for context_server_id in self
+                .project
+                .read(cx)
+                .context_server_store()
+                .read(cx)
+                .all_server_ids()
+            {
                 self.tools.update(cx, |tools, cx| {
                     tools.enable_source(
                         ToolSource::ContextServer {
-                            id: context_server.id().into(),
+                            id: context_server_id.0.into(),
                         },
                         cx,
                     );
@@ -541,7 +543,7 @@ 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 +551,19 @@ 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 +611,7 @@ 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);

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 +1,11 @@
 mod agent_notification;
-pub mod agent_preview;
 mod animated_label;
 mod context_pill;
+mod max_mode_tooltip;
+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::*;

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 +1,33 @@
+use gpui::{Context, IntoElement, Render, Window};
+use ui::{prelude::*, tooltip_container};
+
+pub struct MaxModeTooltip;
+
+impl MaxModeTooltip {
+    pub fn new(_cx: &mut Context<Self>) -> Self {
+        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()
+                .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/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

@@ -6,16 +6,11 @@ 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]
@@ -32,7 +27,6 @@ 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>;
@@ -42,14 +36,14 @@ pub trait AgentPreview: Component + Sized {
 #[macro_export]
 macro_rules! register_agent_preview {
     ($type:ty) => {
-        #[linkme::distributed_slice($crate::ui::agent_preview::__ALL_AGENT_PREVIEWS)]
+        #[linkme::distributed_slice($crate::ui::preview::__ALL_AGENT_PREVIEWS)]
         static __REGISTER_AGENT_PREVIEW: fn() -> (
             component::ComponentId,
-            $crate::ui::agent_preview::PreviewFn,
+            $crate::ui::preview::PreviewFn,
         ) = || {
             (
                 <$type as component::Component>::id(),
-                <$type as $crate::ui::agent_preview::AgentPreview>::agent_preview,
+                <$type as $crate::ui::preview::AgentPreview>::agent_preview,
             )
         };
     };
@@ -75,14 +69,13 @@ 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::Free => (
+                    "Out of free prompts",
+                    "Upgrade to continue, wait for the next reset, or switch to API key."
+                        .to_string(),
+                    "Upgrade",
+                    zed_urls::account_url(cx),
+                ),
+                Plan::ZedProTrial => (
+                    "Out of trial prompts",
+                    "Upgrade to Zed Pro to continue, or switch to API key.".to_string(),
+                    "Upgrade",
+                    zed_urls::account_url(cx),
+                ),
+                Plan::ZedPro => (
+                    "Out of included prompts",
+                    "Enable usage-based billing to continue.".to_string(),
+                    "Manage",
+                    zed_urls::account_url(cx),
+                ),
+            }
+        } else {
+            match self.plan {
+                Plan::Free => (
+                    "Reaching free plan limit soon",
+                    format!(
+                        "{remaining} remaining - Upgrade to increase limit, or switch providers",
+                    ),
+                    "Upgrade",
+                    zed_urls::account_url(cx),
+                ),
+                Plan::ZedProTrial => (
+                    "Reaching trial limit soon",
+                    format!(
+                        "{remaining} remaining - Upgrade to increase limit, or switch providers",
+                    ),
+                    "Upgrade",
+                    zed_urls::account_url(cx),
+                ),
+                _ => return div().into_any_element(),
+            }
+        };
+
+        let icon = if is_limit_reached {
+            Icon::new(IconName::X)
+                .color(Color::Error)
+                .size(IconSize::XSmall)
+        } else {
+            Icon::new(IconName::Warning)
+                .color(Color::Warning)
+                .size(IconSize::XSmall)
+        };
+
+        Callout::multi_line(
+            title,
+            message,
+            icon,
+            button_text,
+            Box::new(move |_, _, cx| {
+                cx.open_url(&url);
+            }),
+        )
+        .into_any_element()
+    }
+}
+
+impl Component for UsageCallout {
+    fn scope() -> ComponentScope {
+        ComponentScope::Agent
+    }
+
+    fn sort_name() -> &'static str {
+        "AgentUsageCallout"
+    }
+
+    fn preview(_window: &mut Window, _cx: &mut App) -> Option<AnyElement> {
+        let free_examples = example_group_with_title(
+            "Free Plan",
+            vec![
+                single_example(
+                    "Approaching limit (90%)",
+                    UsageCallout::new(
+                        Plan::Free,
+                        RequestUsage {
+                            limit: UsageLimit::Limited(50),
+                            amount: 45, // 90% of limit
+                        },
+                    )
+                    .into_any_element(),
+                ),
+                single_example(
+                    "Limit reached (100%)",
+                    UsageCallout::new(
+                        Plan::Free,
+                        RequestUsage {
+                            limit: UsageLimit::Limited(50),
+                            amount: 50, // 100% of limit
+                        },
+                    )
+                    .into_any_element(),
+                ),
+            ],
+        );
+
+        let trial_examples = example_group_with_title(
+            "Zed Pro Trial",
+            vec![
+                single_example(
+                    "Approaching limit (90%)",
+                    UsageCallout::new(
+                        Plan::ZedProTrial,
+                        RequestUsage {
+                            limit: UsageLimit::Limited(150),
+                            amount: 135, // 90% of limit
+                        },
+                    )
+                    .into_any_element(),
+                ),
+                single_example(
+                    "Limit reached (100%)",
+                    UsageCallout::new(
+                        Plan::ZedProTrial,
+                        RequestUsage {
+                            limit: UsageLimit::Limited(150),
+                            amount: 150, // 100% of limit
+                        },
+                    )
+                    .into_any_element(),
+                ),
+            ],
+        );
+
+        let pro_examples = example_group_with_title(
+            "Zed Pro",
+            vec![
+                single_example(
+                    "Limit reached (100%)",
+                    UsageCallout::new(
+                        Plan::ZedPro,
+                        RequestUsage {
+                            limit: UsageLimit::Limited(500),
+                            amount: 500, // 100% of limit
+                        },
+                    )
+                    .into_any_element(),
+                ),
+                empty_example("Unlimited plan (no callout shown)"),
+            ],
+        );
+
+        Some(
+            div()
+                .p_4()
+                .flex()
+                .flex_col()
+                .gap_4()
+                .child(free_examples)
+                .child(trial_examples)
+                .child(pro_examples)
+                .into_any_element(),
+        )
+    }
+}

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/assistant/Cargo.toml

@@ -31,7 +31,6 @@ 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

crates/assistant/src/assistant.rs

@@ -106,7 +106,6 @@ pub fn init(
     assistant_slash_command::init(cx);
     assistant_tool::init(cx);
     assistant_panel::init(cx);
-    context_server::init(cx);
 
     register_slash_commands(cx);
     inline_assistant::init(

crates/assistant/src/assistant_panel.rs

@@ -34,7 +34,7 @@ use smol::stream::StreamExt;
 
 use std::ops::Range;
 use std::path::Path;
-use std::{ops::ControlFlow, path::PathBuf, sync::Arc};
+use std::{ops::ControlFlow, sync::Arc};
 use terminal_view::{TerminalView, terminal_panel::TerminalPanel};
 use ui::{ContextMenu, PopoverMenu, Tooltip, prelude::*};
 use util::{ResultExt, maybe};
@@ -54,7 +54,7 @@ pub fn init(cx: &mut App) {
                 .register_action(ContextEditor::quote_selection)
                 .register_action(ContextEditor::insert_selection)
                 .register_action(ContextEditor::copy_code)
-                .register_action(ContextEditor::insert_dragged_files)
+                .register_action(ContextEditor::handle_insert_dragged_files)
                 .register_action(AssistantPanel::show_configuration)
                 .register_action(AssistantPanel::create_new_context)
                 .register_action(AssistantPanel::restart_context_servers)
@@ -182,20 +182,7 @@ impl AssistantPanel {
                         None
                     }?;
 
-                    let paths = project_paths
-                        .into_iter()
-                        .filter_map(|project_path| {
-                            let worktree = project
-                                .read(cx)
-                                .worktree_for_id(project_path.worktree_id, cx)?;
-
-                            let mut full_path = PathBuf::from(worktree.read(cx).root_name());
-                            full_path.push(&project_path.path);
-                            Some(full_path)
-                        })
-                        .collect::<Vec<_>>();
-
-                    Some(InsertDraggedFiles::ProjectPaths(paths))
+                    Some(InsertDraggedFiles::ProjectPaths(project_paths))
                 });
 
                 if let Some(action) = action {
@@ -1192,21 +1179,19 @@ impl AssistantPanel {
 
     fn restart_context_servers(
         workspace: &mut Workspace,
-        _action: &context_server::Restart,
+        _action: &project::context_server_store::Restart,
         _: &mut Window,
         cx: &mut Context<Workspace>,
     ) {
-        let Some(assistant_panel) = workspace.panel::<AssistantPanel>(cx) else {
-            return;
-        };
-
-        assistant_panel.update(cx, |assistant_panel, cx| {
-            assistant_panel
-                .context_store
-                .update(cx, |context_store, cx| {
-                    context_store.restart_context_servers(cx);
-                });
-        });
+        workspace
+            .project()
+            .read(cx)
+            .context_server_store()
+            .update(cx, |store, cx| {
+                for server in store.running_servers() {
+                    store.restart_server(&server.id(), cx).log_err();
+                }
+            });
     }
 }
 

crates/assistant/src/terminal_inline_assistant.rs

@@ -5,7 +5,7 @@ use assistant_settings::AssistantSettings;
 use client::telemetry::Telemetry;
 use collections::{HashMap, VecDeque};
 use editor::{
-    Editor, EditorElement, EditorEvent, EditorMode, EditorStyle, MultiBuffer,
+    ContextMenuOptions, Editor, EditorElement, EditorEvent, EditorMode, EditorStyle, MultiBuffer,
     actions::{MoveDown, MoveUp, SelectAll},
 };
 use fs::Fs;
@@ -730,6 +730,11 @@ impl PromptEditor {
             );
             editor.set_soft_wrap_mode(language::language_settings::SoftWrap::EditorWidth, cx);
             editor.set_placeholder_text(Self::placeholder_text(window, cx), cx);
+            editor.set_context_menu_options(ContextMenuOptions {
+                min_entries_visible: 12,
+                max_entries_visible: 12,
+                placement: None,
+            });
             editor
         });
 

crates/assistant_context_editor/src/context.rs

@@ -32,7 +32,7 @@ use serde::{Deserialize, Serialize};
 use smallvec::SmallVec;
 use std::{
     cmp::{Ordering, max},
-    fmt::Debug,
+    fmt::{Debug, Write as _},
     iter, mem,
     ops::Range,
     path::Path,
@@ -2371,6 +2371,7 @@ impl AssistantContext {
                                     });
 
                                 match event {
+                                    LanguageModelCompletionEvent::StatusUpdate { .. } => {}
                                     LanguageModelCompletionEvent::StartMessage { .. } => {}
                                     LanguageModelCompletionEvent::Stop(reason) => {
                                         stop_reason = reason;
@@ -2428,8 +2429,8 @@ impl AssistantContext {
                                             cx,
                                         );
                                     }
-                                    LanguageModelCompletionEvent::ToolUse(_) => {}
-                                    LanguageModelCompletionEvent::UsageUpdate(_) => {}
+                                    LanguageModelCompletionEvent::ToolUse(_) |
+                                    LanguageModelCompletionEvent::UsageUpdate(_)  => {}
                                 }
                             });
 
@@ -2538,6 +2539,26 @@ 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,

crates/assistant_context_editor/src/context_editor.rs

@@ -43,8 +43,8 @@ use language_model_selector::{
 };
 use multi_buffer::MultiBufferRow;
 use picker::Picker;
-use project::lsp_store::LocalLspAdapterDelegate;
 use project::{Project, Worktree};
+use project::{ProjectPath, lsp_store::LocalLspAdapterDelegate};
 use rope::Point;
 use serde::{Deserialize, Serialize};
 use settings::{Settings, SettingsStore, update_settings_file};
@@ -62,7 +62,10 @@ use ui::{
     prelude::*,
 };
 use util::{ResultExt, maybe};
-use workspace::searchable::{Direction, SearchableItemHandle};
+use workspace::{
+    CollaboratorId,
+    searchable::{Direction, SearchableItemHandle},
+};
 use workspace::{
     Save, Toast, ToolbarItemEvent, ToolbarItemLocation, ToolbarItemView, Workspace,
     item::{self, FollowableItem, Item, ItemHandle},
@@ -97,7 +100,7 @@ actions!(
 
 #[derive(PartialEq, Clone)]
 pub enum InsertDraggedFiles {
-    ProjectPaths(Vec<PathBuf>),
+    ProjectPaths(Vec<ProjectPath>),
     ExternalFiles(Vec<PathBuf>),
 }
 
@@ -255,7 +258,7 @@ impl ContextEditor {
 
             let show_edit_predictions = all_language_settings(None, cx)
                 .edit_predictions
-                .enabled_in_assistant;
+                .enabled_in_text_threads;
 
             editor.set_show_edit_predictions(Some(show_edit_predictions), window, cx);
 
@@ -330,7 +333,7 @@ impl ContextEditor {
         self.editor.update(cx, |editor, cx| {
             let show_edit_predictions = all_language_settings(None, cx)
                 .edit_predictions
-                .enabled_in_assistant;
+                .enabled_in_text_threads;
 
             editor.set_show_edit_predictions(Some(show_edit_predictions), window, cx);
         });
@@ -1403,7 +1406,7 @@ impl ContextEditor {
                                 None,
                             ),
                             Role::Assistant => {
-                                let base_label = Label::new("Assistant").color(Color::Info);
+                                let base_label = Label::new("Agent").color(Color::Info);
                                 let mut spinner = None;
                                 let mut note = None;
                                 let animated_label = if llm_loading {
@@ -1465,7 +1468,7 @@ impl ContextEditor {
                                         Tooltip::with_meta(
                                             "Toggle message role",
                                             None,
-                                            "Available roles: You (User), Assistant, System",
+                                            "Available roles: You (User), Agent, System",
                                             window,
                                             cx,
                                         )
@@ -1722,7 +1725,7 @@ impl ContextEditor {
         );
     }
 
-    pub fn insert_dragged_files(
+    pub fn handle_insert_dragged_files(
         workspace: &mut Workspace,
         action: &InsertDraggedFiles,
         window: &mut Window,
@@ -1737,7 +1740,7 @@ impl ContextEditor {
             return;
         };
 
-        let project = workspace.project().clone();
+        let project = context_editor_view.read(cx).project.clone();
 
         let paths = match action {
             InsertDraggedFiles::ProjectPaths(paths) => Task::ready((paths.clone(), vec![])),
@@ -1748,22 +1751,17 @@ impl ContextEditor {
                     .map(|path| Workspace::project_path_for_path(project.clone(), &path, false, cx))
                     .collect::<Vec<_>>();
 
-                cx.spawn(async move |_, cx| {
+                cx.background_spawn(async move {
                     let mut paths = vec![];
                     let mut worktrees = vec![];
 
                     let opened_paths = futures::future::join_all(tasks).await;
-                    for (worktree, project_path) in opened_paths.into_iter().flatten() {
-                        let Ok(worktree_root_name) =
-                            worktree.read_with(cx, |worktree, _| worktree.root_name().to_string())
-                        else {
-                            continue;
-                        };
 
-                        let mut full_path = PathBuf::from(worktree_root_name.clone());
-                        full_path.push(&project_path.path);
-                        paths.push(full_path);
-                        worktrees.push(worktree);
+                    for entry in opened_paths {
+                        if let Some((worktree, project_path)) = entry.log_err() {
+                            worktrees.push(worktree);
+                            paths.push(project_path);
+                        }
                     }
 
                     (paths, worktrees)
@@ -1771,33 +1769,50 @@ impl ContextEditor {
             }
         };
 
-        window
-            .spawn(cx, async move |cx| {
+        context_editor_view.update(cx, |_, cx| {
+            cx.spawn_in(window, async move |this, cx| {
                 let (paths, dragged_file_worktrees) = paths.await;
-                let cmd_name = FileSlashCommand.name();
-
-                context_editor_view
-                    .update_in(cx, |context_editor, window, cx| {
-                        let file_argument = paths
-                            .into_iter()
-                            .map(|path| path.to_string_lossy().to_string())
-                            .collect::<Vec<_>>()
-                            .join(" ");
-
-                        context_editor.editor.update(cx, |editor, cx| {
-                            editor.insert("\n", window, cx);
-                            editor.insert(&format!("/{} {}", cmd_name, file_argument), window, cx);
-                        });
-
-                        context_editor.confirm_command(&ConfirmCommand, window, cx);
-
-                        context_editor
-                            .dragged_file_worktrees
-                            .extend(dragged_file_worktrees);
-                    })
-                    .log_err();
+                this.update_in(cx, |this, window, cx| {
+                    this.insert_dragged_files(paths, dragged_file_worktrees, window, cx);
+                })
+                .ok();
             })
             .detach();
+        })
+    }
+
+    pub fn insert_dragged_files(
+        &mut self,
+        opened_paths: Vec<ProjectPath>,
+        added_worktrees: Vec<Entity<Worktree>>,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) {
+        let mut file_slash_command_args = vec![];
+        for project_path in opened_paths.into_iter() {
+            let Some(worktree) = self
+                .project
+                .read(cx)
+                .worktree_for_id(project_path.worktree_id, cx)
+            else {
+                continue;
+            };
+            let worktree_root_name = worktree.read(cx).root_name().to_string();
+            let mut full_path = PathBuf::from(worktree_root_name.clone());
+            full_path.push(&project_path.path);
+            file_slash_command_args.push(full_path.to_string_lossy().to_string());
+        }
+
+        let cmd_name = FileSlashCommand.name();
+
+        let file_argument = file_slash_command_args.join(" ");
+
+        self.editor.update(cx, |editor, cx| {
+            editor.insert("\n", window, cx);
+            editor.insert(&format!("/{} {}", cmd_name, file_argument), window, cx);
+        });
+        self.confirm_command(&ConfirmCommand, window, cx);
+        self.dragged_file_worktrees.extend(added_worktrees);
     }
 
     pub fn quote_selection(
@@ -3417,15 +3432,14 @@ impl FollowableItem for ContextEditor {
         true
     }
 
-    fn set_leader_peer_id(
+    fn set_leader_id(
         &mut self,
-        leader_peer_id: Option<proto::PeerId>,
+        leader_id: Option<CollaboratorId>,
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        self.editor.update(cx, |editor, cx| {
-            editor.set_leader_peer_id(leader_peer_id, window, cx)
-        })
+        self.editor
+            .update(cx, |editor, cx| editor.set_leader_id(leader_id, window, cx))
     }
 
     fn dedup(&self, existing: &Self, _window: &Window, cx: &App) -> Option<item::Dedup> {

crates/assistant_context_editor/src/context_store.rs

@@ -7,15 +7,17 @@ use assistant_slash_command::{SlashCommandId, SlashCommandWorkingSet};
 use client::{Client, TypedEnvelope, proto, telemetry::Telemetry};
 use clock::ReplicaId;
 use collections::HashMap;
-use context_server::ContextServerDescriptorRegistry;
-use context_server::manager::{ContextServerManager, ContextServerStatus};
+use context_server::ContextServerId;
 use fs::{Fs, RemoveOptions};
 use futures::StreamExt;
 use fuzzy::StringMatchCandidate;
 use gpui::{App, AppContext as _, AsyncApp, Context, Entity, EventEmitter, Task, WeakEntity};
 use language::LanguageRegistry;
 use paths::contexts_dir;
-use project::Project;
+use project::{
+    Project,
+    context_server_store::{ContextServerStatus, ContextServerStore},
+};
 use prompt_store::PromptBuilder;
 use regex::Regex;
 use rpc::AnyProtoClient;
@@ -40,8 +42,7 @@ pub struct RemoteContextMetadata {
 pub struct ContextStore {
     contexts: Vec<ContextHandle>,
     contexts_metadata: Vec<SavedContextMetadata>,
-    context_server_manager: Entity<ContextServerManager>,
-    context_server_slash_command_ids: HashMap<Arc<str>, Vec<SlashCommandId>>,
+    context_server_slash_command_ids: HashMap<ContextServerId, Vec<SlashCommandId>>,
     host_contexts: Vec<RemoteContextMetadata>,
     fs: Arc<dyn Fs>,
     languages: Arc<LanguageRegistry>,
@@ -98,15 +99,9 @@ impl ContextStore {
             let (mut events, _) = fs.watch(contexts_dir(), CONTEXT_WATCH_DURATION).await;
 
             let this = cx.new(|cx: &mut Context<Self>| {
-                let context_server_factory_registry =
-                    ContextServerDescriptorRegistry::default_global(cx);
-                let context_server_manager = cx.new(|cx| {
-                    ContextServerManager::new(context_server_factory_registry, project.clone(), cx)
-                });
                 let mut this = Self {
                     contexts: Vec::new(),
                     contexts_metadata: Vec::new(),
-                    context_server_manager,
                     context_server_slash_command_ids: HashMap::default(),
                     host_contexts: Vec::new(),
                     fs,
@@ -344,7 +339,11 @@ impl ContextStore {
         }
     }
 
-    pub fn contexts(&self) -> Vec<SavedContextMetadata> {
+    pub fn unordered_contexts(&self) -> impl Iterator<Item = &SavedContextMetadata> {
+        self.contexts_metadata.iter()
+    }
+
+    pub fn reverse_chronological_contexts(&self) -> Vec<SavedContextMetadata> {
         let mut contexts = self.contexts_metadata.iter().cloned().collect::<Vec<_>>();
         contexts.sort_unstable_by_key(|thread| std::cmp::Reverse(thread.mtime));
         contexts
@@ -802,22 +801,9 @@ impl ContextStore {
         })
     }
 
-    pub fn restart_context_servers(&mut self, cx: &mut Context<Self>) {
-        cx.update_entity(
-            &self.context_server_manager,
-            |context_server_manager, cx| {
-                for server in context_server_manager.running_servers() {
-                    context_server_manager
-                        .restart_server(&server.id(), cx)
-                        .detach_and_log_err(cx);
-                }
-            },
-        );
-    }
-
     fn register_context_server_handlers(&self, cx: &mut Context<Self>) {
         cx.subscribe(
-            &self.context_server_manager.clone(),
+            &self.project.read(cx).context_server_store(),
             Self::handle_context_server_event,
         )
         .detach();
@@ -825,16 +811,18 @@ impl ContextStore {
 
     fn handle_context_server_event(
         &mut self,
-        context_server_manager: Entity<ContextServerManager>,
-        event: &context_server::manager::Event,
+        context_server_manager: Entity<ContextServerStore>,
+        event: &project::context_server_store::Event,
         cx: &mut Context<Self>,
     ) {
         let slash_command_working_set = self.slash_commands.clone();
         match event {
-            context_server::manager::Event::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_manager
+                            .read(cx)
+                            .get_running_server(server_id)
                         {
                             let context_server_manager = context_server_manager.clone();
                             cx.spawn({
@@ -858,7 +846,7 @@ impl ContextStore {
                                                     slash_command_working_set.insert(Arc::new(
                                                         assistant_slash_commands::ContextServerSlashCommand::new(
                                                             context_server_manager.clone(),
-                                                            &server,
+                                                            server.id(),
                                                             prompt,
                                                         ),
                                                     ))
@@ -877,7 +865,7 @@ impl ContextStore {
                             .detach();
                         }
                     }
-                    None => {
+                    ContextServerStatus::Stopped | ContextServerStatus::Error(_) => {
                         if let Some(slash_command_ids) =
                             self.context_server_slash_command_ids.remove(server_id)
                         {

crates/assistant_settings/src/agent_profile.rs

@@ -5,6 +5,41 @@ use indexmap::IndexMap;
 use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
 
+pub mod builtin_profiles {
+    use super::AgentProfileId;
+
+    pub const WRITE: &str = "write";
+    pub const ASK: &str = "ask";
+    pub const MINIMAL: &str = "minimal";
+
+    pub fn is_builtin(profile_id: &AgentProfileId) -> bool {
+        profile_id.as_str() == WRITE || profile_id.as_str() == ASK || profile_id.as_str() == MINIMAL
+    }
+}
+
+#[derive(Default)]
+pub struct GroupedAgentProfiles {
+    pub builtin: IndexMap<AgentProfileId, AgentProfile>,
+    pub custom: IndexMap<AgentProfileId, AgentProfile>,
+}
+
+impl GroupedAgentProfiles {
+    pub fn from_settings(settings: &crate::AssistantSettings) -> Self {
+        let mut builtin = IndexMap::default();
+        let mut custom = IndexMap::default();
+
+        for (profile_id, profile) in settings.profiles.clone() {
+            if builtin_profiles::is_builtin(&profile_id) {
+                builtin.insert(profile_id, profile);
+            } else {
+                custom.insert(profile_id, profile);
+            }
+        }
+
+        Self { builtin, custom }
+    }
+}
+
 #[derive(Debug, PartialEq, Eq, Hash, Clone, Serialize, Deserialize, JsonSchema)]
 pub struct AgentProfileId(pub Arc<str>);
 

crates/assistant_settings/src/assistant_settings.rs

@@ -69,7 +69,7 @@ pub enum AssistantProviderContentV1 {
     },
 }
 
-#[derive(Clone, Debug, Default)]
+#[derive(Default, Clone, Debug)]
 pub struct AssistantSettings {
     pub enabled: bool,
     pub button: bool,
@@ -88,6 +88,7 @@ pub struct AssistantSettings {
     pub always_allow_tool_actions: bool,
     pub notify_when_agent_waiting: NotifyWhenAgentWaiting,
     pub stream_edits: bool,
+    pub single_file_review: bool,
 }
 
 impl AssistantSettings {
@@ -224,6 +225,7 @@ impl AssistantSettingsContent {
                     always_allow_tool_actions: None,
                     notify_when_agent_waiting: None,
                     stream_edits: None,
+                    single_file_review: None,
                 },
                 VersionedAssistantSettingsContent::V2(ref settings) => settings.clone(),
             },
@@ -252,6 +254,7 @@ impl AssistantSettingsContent {
                 always_allow_tool_actions: None,
                 notify_when_agent_waiting: None,
                 stream_edits: None,
+                single_file_review: None,
             },
             None => AssistantSettingsContentV2::default(),
         }
@@ -312,7 +315,12 @@ impl AssistantSettingsContent {
                                 _ => None,
                             };
                             settings.provider = Some(AssistantProviderContentV1::Ollama {
-                                default_model: Some(ollama::Model::new(&model, None, None)),
+                                default_model: Some(ollama::Model::new(
+                                    &model,
+                                    None,
+                                    None,
+                                    language_model.supports_tools(),
+                                )),
                                 api_url,
                             });
                         }
@@ -430,6 +438,14 @@ impl AssistantSettingsContent {
         .ok();
     }
 
+    pub fn set_single_file_review(&mut self, allow: bool) {
+        self.v2_setting(|setting| {
+            setting.single_file_review = Some(allow);
+            Ok(())
+        })
+        .ok();
+    }
+
     pub fn set_profile(&mut self, profile_id: AgentProfileId) {
         self.v2_setting(|setting| {
             setting.default_profile = Some(profile_id);
@@ -503,6 +519,7 @@ impl Default for VersionedAssistantSettingsContent {
             always_allow_tool_actions: None,
             notify_when_agent_waiting: None,
             stream_edits: None,
+            single_file_review: None,
         })
     }
 }
@@ -562,6 +579,10 @@ pub struct AssistantSettingsContentV2 {
     ///
     /// Default: false
     stream_edits: Option<bool>,
+    /// Whether to display agent edits in single-file editors in addition to the review multibuffer pane.
+    ///
+    /// Default: true
+    single_file_review: Option<bool>,
 }
 
 #[derive(Clone, Debug, Serialize, Deserialize, JsonSchema, PartialEq)]
@@ -672,7 +693,7 @@ pub struct LegacyAssistantSettingsContent {
 }
 
 impl Settings for AssistantSettings {
-    const KEY: Option<&'static str> = Some("assistant");
+    const KEY: Option<&'static str> = Some("agent");
 
     const PRESERVED_KEYS: Option<&'static [&'static str]> = Some(&["version"]);
 
@@ -725,6 +746,7 @@ impl Settings for AssistantSettings {
                 value.notify_when_agent_waiting,
             );
             merge(&mut settings.stream_edits, value.stream_edits);
+            merge(&mut settings.single_file_review, value.single_file_review);
             merge(&mut settings.default_profile, value.default_profile);
 
             if let Some(profiles) = value.profiles {
@@ -857,6 +879,7 @@ mod tests {
                                 always_allow_tool_actions: None,
                                 notify_when_agent_waiting: None,
                                 stream_edits: None,
+                                single_file_review: None,
                             },
                         )),
                     }
@@ -871,12 +894,12 @@ mod tests {
 
         #[derive(Debug, Deserialize)]
         struct AssistantSettingsTest {
-            assistant: AssistantSettingsContent,
+            agent: AssistantSettingsContent,
         }
 
         let assistant_settings: AssistantSettingsTest =
             serde_json_lenient::from_str(&raw_settings_value).unwrap();
 
-        assert!(!assistant_settings.assistant.is_version_outdated());
+        assert!(!assistant_settings.agent.is_version_outdated());
     }
 }

crates/assistant_slash_commands/src/context_server_command.rs

@@ -4,12 +4,10 @@ use assistant_slash_command::{
     SlashCommandOutputSection, SlashCommandResult,
 };
 use collections::HashMap;
-use context_server::{
-    manager::{ContextServer, ContextServerManager},
-    types::Prompt,
-};
+use context_server::{ContextServerId, types::Prompt};
 use gpui::{App, Entity, Task, WeakEntity, Window};
 use language::{BufferSnapshot, CodeLabel, LspAdapterDelegate};
+use project::context_server_store::ContextServerStore;
 use std::sync::Arc;
 use std::sync::atomic::AtomicBool;
 use text::LineEnding;
@@ -19,21 +17,17 @@ use workspace::Workspace;
 use crate::create_label_for_command;
 
 pub struct ContextServerSlashCommand {
-    server_manager: Entity<ContextServerManager>,
-    server_id: Arc<str>,
+    store: Entity<ContextServerStore>,
+    server_id: ContextServerId,
     prompt: Prompt,
 }
 
 impl ContextServerSlashCommand {
-    pub fn new(
-        server_manager: Entity<ContextServerManager>,
-        server: &Arc<ContextServer>,
-        prompt: Prompt,
-    ) -> Self {
+    pub fn new(store: Entity<ContextServerStore>, id: ContextServerId, prompt: Prompt) -> Self {
         Self {
-            server_id: server.id(),
+            server_id: id,
             prompt,
-            server_manager,
+            store,
         }
     }
 }
@@ -88,7 +82,7 @@ impl SlashCommand for ContextServerSlashCommand {
         let server_id = self.server_id.clone();
         let prompt_name = self.prompt.name.clone();
 
-        if let Some(server) = self.server_manager.read(cx).get_server(&server_id) {
+        if let Some(server) = self.store.read(cx).get_running_server(&server_id) {
             cx.foreground_executor().spawn(async move {
                 let Some(protocol) = server.client() else {
                     return Err(anyhow!("Context server not initialized"));
@@ -142,8 +136,8 @@ impl SlashCommand for ContextServerSlashCommand {
             Err(e) => return Task::ready(Err(e)),
         };
 
-        let manager = self.server_manager.read(cx);
-        if let Some(server) = manager.get_server(&server_id) {
+        let store = self.store.read(cx);
+        if let Some(server) = store.get_running_server(&server_id) {
             cx.foreground_executor().spawn(async move {
                 let Some(protocol) = server.client() else {
                     return Err(anyhow!("Context server not initialized"));

crates/assistant_slash_commands/src/fetch_command.rs

@@ -55,11 +55,14 @@ impl FetchSlashCommand {
         let content_type = content_type
             .to_str()
             .context("invalid Content-Type header")?;
-        let content_type = match content_type {
-            "text/html" => ContentType::Html,
-            "text/plain" => ContentType::Plaintext,
-            "application/json" => ContentType::Json,
-            _ => ContentType::Html,
+        let content_type = if content_type.starts_with("text/html") {
+            ContentType::Html
+        } else if content_type.starts_with("text/plain") {
+            ContentType::Plaintext
+        } else if content_type.starts_with("application/json") {
+            ContentType::Json
+        } else {
+            ContentType::Html
         };
 
         match content_type {

crates/assistant_tool/src/action_log.rs

@@ -29,6 +29,10 @@ impl ActionLog {
         }
     }
 
+    pub fn project(&self) -> &Entity<Project> {
+        &self.project
+    }
+
     /// Notifies a diagnostics check
     pub fn checked_project_diagnostics(&mut self) {
         self.edited_since_project_diagnostics_check = false;
@@ -42,6 +46,7 @@ impl ActionLog {
     fn track_buffer_internal(
         &mut self,
         buffer: Entity<Buffer>,
+        is_created: bool,
         cx: &mut Context<Self>,
     ) -> &mut TrackedBuffer {
         let tracked_buffer = self
@@ -58,13 +63,21 @@ impl ActionLog {
                 let base_text;
                 let status;
                 let unreviewed_changes;
-                if buffer
-                    .read(cx)
-                    .file()
-                    .map_or(true, |file| !file.disk_state().exists())
-                {
+                if is_created {
+                    let existing_file_content = if buffer
+                        .read(cx)
+                        .file()
+                        .map_or(false, |file| file.disk_state().exists())
+                    {
+                        Some(text_snapshot.as_rope().clone())
+                    } else {
+                        None
+                    };
+
                     base_text = Rope::default();
-                    status = TrackedBufferStatus::Created;
+                    status = TrackedBufferStatus::Created {
+                        existing_file_content,
+                    };
                     unreviewed_changes = Patch::new(vec![Edit {
                         old: 0..1,
                         new: 0..text_snapshot.max_point().row + 1,
@@ -127,7 +140,7 @@ impl ActionLog {
         };
 
         match tracked_buffer.status {
-            TrackedBufferStatus::Created | TrackedBufferStatus::Modified => {
+            TrackedBufferStatus::Created { .. } | TrackedBufferStatus::Modified => {
                 if buffer
                     .read(cx)
                     .file()
@@ -149,7 +162,7 @@ impl ActionLog {
                     // resurrected externally, we want to clear the changes we
                     // were tracking and reset the buffer's state.
                     self.tracked_buffers.remove(&buffer);
-                    self.track_buffer_internal(buffer, cx);
+                    self.track_buffer_internal(buffer, false, cx);
                 }
                 cx.notify();
             }
@@ -263,15 +276,22 @@ impl ActionLog {
     }
 
     /// Track a buffer as read, so we can notify the model about user edits.
-    pub fn track_buffer(&mut self, buffer: Entity<Buffer>, cx: &mut Context<Self>) {
-        self.track_buffer_internal(buffer, cx);
+    pub fn buffer_read(&mut self, buffer: Entity<Buffer>, cx: &mut Context<Self>) {
+        self.track_buffer_internal(buffer, false, cx);
+    }
+
+    /// Mark a buffer as edited, so we can refresh it in the context
+    pub fn buffer_created(&mut self, buffer: Entity<Buffer>, cx: &mut Context<Self>) {
+        self.edited_since_project_diagnostics_check = true;
+        self.tracked_buffers.remove(&buffer);
+        self.track_buffer_internal(buffer.clone(), true, cx);
     }
 
     /// Mark a buffer as edited, so we can refresh it in the context
     pub fn buffer_edited(&mut self, buffer: Entity<Buffer>, cx: &mut Context<Self>) {
         self.edited_since_project_diagnostics_check = true;
 
-        let tracked_buffer = self.track_buffer_internal(buffer.clone(), cx);
+        let tracked_buffer = self.track_buffer_internal(buffer.clone(), false, cx);
         if let TrackedBufferStatus::Deleted = tracked_buffer.status {
             tracked_buffer.status = TrackedBufferStatus::Modified;
         }
@@ -279,9 +299,9 @@ impl ActionLog {
     }
 
     pub fn will_delete_buffer(&mut self, buffer: Entity<Buffer>, cx: &mut Context<Self>) {
-        let tracked_buffer = self.track_buffer_internal(buffer.clone(), cx);
+        let tracked_buffer = self.track_buffer_internal(buffer.clone(), false, cx);
         match tracked_buffer.status {
-            TrackedBufferStatus::Created => {
+            TrackedBufferStatus::Created { .. } => {
                 self.tracked_buffers.remove(&buffer);
                 cx.notify();
             }
@@ -365,19 +385,35 @@ impl ActionLog {
             return Task::ready(Ok(()));
         };
 
-        match tracked_buffer.status {
-            TrackedBufferStatus::Created => {
-                let delete = buffer
-                    .read(cx)
-                    .entry_id(cx)
-                    .and_then(|entry_id| {
-                        self.project
-                            .update(cx, |project, cx| project.delete_entry(entry_id, false, cx))
-                    })
-                    .unwrap_or(Task::ready(Ok(())));
+        match &tracked_buffer.status {
+            TrackedBufferStatus::Created {
+                existing_file_content,
+            } => {
+                let task = if let Some(existing_file_content) = existing_file_content {
+                    buffer.update(cx, |buffer, cx| {
+                        buffer.start_transaction();
+                        buffer.set_text("", cx);
+                        for chunk in existing_file_content.chunks() {
+                            buffer.append(chunk, cx);
+                        }
+                        buffer.end_transaction(cx);
+                    });
+                    self.project
+                        .update(cx, |project, cx| project.save_buffer(buffer.clone(), cx))
+                } else {
+                    buffer
+                        .read(cx)
+                        .entry_id(cx)
+                        .and_then(|entry_id| {
+                            self.project
+                                .update(cx, |project, cx| project.delete_entry(entry_id, false, cx))
+                        })
+                        .unwrap_or(Task::ready(Ok(())))
+                };
+
                 self.tracked_buffers.remove(&buffer);
                 cx.notify();
-                delete
+                task
             }
             TrackedBufferStatus::Deleted => {
                 buffer.update(cx, |buffer, cx| {
@@ -389,7 +425,7 @@ impl ActionLog {
 
                 // Clear all tracked changes for this buffer and start over as if we just read it.
                 self.tracked_buffers.remove(&buffer);
-                self.track_buffer_internal(buffer.clone(), cx);
+                self.buffer_read(buffer.clone(), cx);
                 cx.notify();
                 save
             }
@@ -611,9 +647,8 @@ enum ChangeAuthor {
     Agent,
 }
 
-#[derive(Copy, Clone, Eq, PartialEq)]
 enum TrackedBufferStatus {
-    Created,
+    Created { existing_file_content: Option<Rope> },
     Modified,
     Deleted,
 }
@@ -700,7 +735,7 @@ mod tests {
             .unwrap();
 
         cx.update(|cx| {
-            action_log.update(cx, |log, cx| log.track_buffer(buffer.clone(), cx));
+            action_log.update(cx, |log, cx| log.buffer_read(buffer.clone(), cx));
             buffer.update(cx, |buffer, cx| {
                 buffer
                     .edit([(Point::new(1, 1)..Point::new(1, 2), "E")], None, cx)
@@ -781,7 +816,7 @@ mod tests {
             .unwrap();
 
         cx.update(|cx| {
-            action_log.update(cx, |log, cx| log.track_buffer(buffer.clone(), cx));
+            action_log.update(cx, |log, cx| log.buffer_read(buffer.clone(), cx));
             buffer.update(cx, |buffer, cx| {
                 buffer
                     .edit([(Point::new(1, 0)..Point::new(2, 0), "")], None, cx)
@@ -863,7 +898,7 @@ mod tests {
             .unwrap();
 
         cx.update(|cx| {
-            action_log.update(cx, |log, cx| log.track_buffer(buffer.clone(), cx));
+            action_log.update(cx, |log, cx| log.buffer_read(buffer.clone(), cx));
             buffer.update(cx, |buffer, cx| {
                 buffer
                     .edit([(Point::new(1, 2)..Point::new(2, 3), "F\nGHI")], None, cx)
@@ -959,7 +994,7 @@ mod tests {
             .await
             .unwrap();
         cx.update(|cx| {
-            action_log.update(cx, |log, cx| log.track_buffer(buffer.clone(), cx));
+            action_log.update(cx, |log, cx| log.buffer_created(buffer.clone(), cx));
             buffer.update(cx, |buffer, cx| buffer.set_text("lorem", cx));
             action_log.update(cx, |log, cx| log.buffer_edited(buffer.clone(), cx));
         });
@@ -1001,6 +1036,64 @@ mod tests {
         assert_eq!(unreviewed_hunks(&action_log, cx), vec![]);
     }
 
+    #[gpui::test(iterations = 10)]
+    async fn test_overwriting_files(cx: &mut TestAppContext) {
+        init_test(cx);
+
+        let fs = FakeFs::new(cx.executor());
+        fs.insert_tree(
+            path!("/dir"),
+            json!({
+                "file1": "Lorem ipsum dolor"
+            }),
+        )
+        .await;
+        let project = Project::test(fs.clone(), [path!("/dir").as_ref()], cx).await;
+        let action_log = cx.new(|_| ActionLog::new(project.clone()));
+        let file_path = project
+            .read_with(cx, |project, cx| project.find_project_path("dir/file1", cx))
+            .unwrap();
+
+        let buffer = project
+            .update(cx, |project, cx| project.open_buffer(file_path, cx))
+            .await
+            .unwrap();
+        cx.update(|cx| {
+            action_log.update(cx, |log, cx| log.buffer_created(buffer.clone(), cx));
+            buffer.update(cx, |buffer, cx| buffer.set_text("sit amet consecteur", cx));
+            action_log.update(cx, |log, cx| log.buffer_edited(buffer.clone(), cx));
+        });
+        project
+            .update(cx, |project, cx| project.save_buffer(buffer.clone(), cx))
+            .await
+            .unwrap();
+        cx.run_until_parked();
+        assert_eq!(
+            unreviewed_hunks(&action_log, cx),
+            vec![(
+                buffer.clone(),
+                vec![HunkStatus {
+                    range: Point::new(0, 0)..Point::new(0, 19),
+                    diff_status: DiffHunkStatusKind::Added,
+                    old_text: "".into(),
+                }],
+            )]
+        );
+
+        action_log
+            .update(cx, |log, cx| {
+                log.reject_edits_in_ranges(buffer.clone(), vec![2..5], cx)
+            })
+            .await
+            .unwrap();
+        cx.run_until_parked();
+        assert_eq!(unreviewed_hunks(&action_log, cx), vec![]);
+        assert_eq!(
+            buffer.read_with(cx, |buffer, _cx| buffer.text()),
+            "Lorem ipsum dolor"
+        );
+    }
+
     #[gpui::test(iterations = 10)]
     async fn test_deleting_files(cx: &mut TestAppContext) {
         init_test(cx);
@@ -1082,7 +1175,7 @@ mod tests {
             .update(cx, |project, cx| project.open_buffer(file2_path, cx))
             .await
             .unwrap();
-        action_log.update(cx, |log, cx| log.track_buffer(buffer2.clone(), cx));
+        action_log.update(cx, |log, cx| log.buffer_created(buffer2.clone(), cx));
         buffer2.update(cx, |buffer, cx| buffer.set_text("IPSUM", cx));
         action_log.update(cx, |log, cx| log.buffer_edited(buffer2.clone(), cx));
         project
@@ -1097,8 +1190,8 @@ mod tests {
                 buffer2.clone(),
                 vec![HunkStatus {
                     range: Point::new(0, 0)..Point::new(0, 5),
-                    diff_status: DiffHunkStatusKind::Modified,
-                    old_text: "ipsum\n".into(),
+                    diff_status: DiffHunkStatusKind::Added,
+                    old_text: "".into(),
                 }],
             )]
         );
@@ -1129,7 +1222,7 @@ mod tests {
             .unwrap();
 
         cx.update(|cx| {
-            action_log.update(cx, |log, cx| log.track_buffer(buffer.clone(), cx));
+            action_log.update(cx, |log, cx| log.buffer_read(buffer.clone(), cx));
             buffer.update(cx, |buffer, cx| {
                 buffer
                     .edit([(Point::new(1, 1)..Point::new(1, 2), "E\nXYZ")], None, cx)
@@ -1264,7 +1357,7 @@ mod tests {
             .unwrap();
 
         cx.update(|cx| {
-            action_log.update(cx, |log, cx| log.track_buffer(buffer.clone(), cx));
+            action_log.update(cx, |log, cx| log.buffer_read(buffer.clone(), cx));
             buffer.update(cx, |buffer, cx| {
                 buffer
                     .edit([(Point::new(1, 1)..Point::new(1, 2), "E\nXYZ")], None, cx)
@@ -1397,7 +1490,7 @@ mod tests {
             .await
             .unwrap();
         cx.update(|cx| {
-            action_log.update(cx, |log, cx| log.track_buffer(buffer.clone(), cx));
+            action_log.update(cx, |log, cx| log.buffer_created(buffer.clone(), cx));
             buffer.update(cx, |buffer, cx| buffer.set_text("content", cx));
             action_log.update(cx, |log, cx| log.buffer_edited(buffer.clone(), cx));
         });
@@ -1455,7 +1548,7 @@ mod tests {
             .await
             .unwrap();
 
-        action_log.update(cx, |log, cx| log.track_buffer(buffer.clone(), cx));
+        action_log.update(cx, |log, cx| log.buffer_read(buffer.clone(), cx));
 
         for _ in 0..operations {
             match rng.gen_range(0..100) {
@@ -1507,7 +1600,7 @@ mod tests {
             log::info!("quiescing...");
             cx.run_until_parked();
             action_log.update(cx, |log, cx| {
-                let tracked_buffer = log.track_buffer_internal(buffer.clone(), cx);
+                let tracked_buffer = log.tracked_buffers.get(&buffer).unwrap();
                 let mut old_text = tracked_buffer.base_text.clone();
                 let new_text = buffer.read(cx).as_rope();
                 for edit in tracked_buffer.unreviewed_changes.edits() {

crates/assistant_tool/src/outline.rs

@@ -31,7 +31,7 @@ pub async fn file_outline(
     };
 
     action_log.update(cx, |action_log, cx| {
-        action_log.track_buffer(buffer.clone(), cx);
+        action_log.buffer_read(buffer.clone(), cx);
     })?;
 
     // Wait until the buffer has been fully parsed, so that we can read its outline.

crates/assistant_tools/Cargo.toml

@@ -35,8 +35,11 @@ indoc.workspace = true
 itertools.workspace = true
 language.workspace = true
 language_model.workspace = true
+log.workspace = true
 linkme.workspace = true
 open.workspace = true
+paths.workspace = true
+portable-pty.workspace = true
 project.workspace = true
 regex.workspace = true
 rust-embed.workspace = true
@@ -50,9 +53,11 @@ strsim.workspace = true
 task.workspace = true
 terminal.workspace = true
 terminal_view.workspace = true
+theme.workspace = true
 ui.workspace = true
 util.workspace = true
 web_search.workspace = true
+which.workspace = true
 workspace-hack.workspace = true
 workspace.workspace = true
 zed_llm_client.workspace = true
@@ -74,6 +79,8 @@ reqwest_client.workspace = true
 settings = { workspace = true, features = ["test-support"] }
 task = { workspace = true, features = ["test-support"]}
 tempfile.workspace = true
+theme.workspace = true
 tree-sitter-rust.workspace = true
 workspace = { workspace = true, features = ["test-support"] }
 unindent.workspace = true
+zlog.workspace = true

crates/assistant_tools/src/assistant_tools.rs

@@ -54,13 +54,14 @@ pub use edit_file_tool::{EditFileTool, EditFileToolInput};
 pub use find_path_tool::FindPathToolInput;
 pub use open_tool::OpenTool;
 pub use read_file_tool::ReadFileToolInput;
+pub use streaming_edit_file_tool::StreamingEditFileToolInput;
 pub use terminal_tool::TerminalTool;
 
 pub fn init(http_client: Arc<HttpClientWithUrl>, cx: &mut App) {
     assistant_tool::init(cx);
 
     let registry = ToolRegistry::global(cx);
-    registry.register_tool(TerminalTool);
+    registry.register_tool(TerminalTool::new(cx));
     registry.register_tool(CreateDirectoryTool);
     registry.register_tool(CopyPathTool);
     registry.register_tool(DeletePathTool);

crates/assistant_tools/src/create_file_tool.rs

@@ -118,7 +118,7 @@ impl Tool for CreateFileTool {
                 .map_err(|err| anyhow!("Unable to open buffer for {destination_path}: {err}"))?;
             cx.update(|cx| {
                 action_log.update(cx, |action_log, cx| {
-                    action_log.track_buffer(buffer.clone(), cx)
+                    action_log.buffer_created(buffer.clone(), cx)
                 });
                 buffer.update(cx, |buffer, cx| buffer.set_text(contents, cx));
                 action_log.update(cx, |action_log, cx| {

crates/assistant_tools/src/edit_agent.rs

@@ -19,6 +19,7 @@ use language_model::{
     LanguageModel, LanguageModelCompletionError, LanguageModelRequest, LanguageModelRequestMessage,
     MessageContent, Role,
 };
+use project::{AgentLocation, Project};
 use serde::Serialize;
 use std::{cmp, iter, mem, ops::Range, path::PathBuf, sync::Arc, task::Poll};
 use streaming_diff::{CharOperation, StreamingDiff};
@@ -59,17 +60,20 @@ pub struct EditAgentOutput {
 pub struct EditAgent {
     model: Arc<dyn LanguageModel>,
     action_log: Entity<ActionLog>,
+    project: Entity<Project>,
     templates: Arc<Templates>,
 }
 
 impl EditAgent {
     pub fn new(
         model: Arc<dyn LanguageModel>,
+        project: Entity<Project>,
         action_log: Entity<ActionLog>,
         templates: Arc<Templates>,
     ) -> Self {
         EditAgent {
             model,
+            project,
             action_log,
             templates,
         }
@@ -97,7 +101,7 @@ impl EditAgent {
             .render(&this.templates)?;
             let new_chunks = this.request(previous_messages, prompt, cx).await?;
 
-            let (output, mut inner_events) = this.replace_text_with_chunks(buffer, new_chunks, cx);
+            let (output, mut inner_events) = this.overwrite_with_chunks(buffer, new_chunks, cx);
             while let Some(event) = inner_events.next().await {
                 events_tx.unbounded_send(event).ok();
             }
@@ -106,7 +110,7 @@ impl EditAgent {
         (output, events_rx)
     }
 
-    fn replace_text_with_chunks(
+    fn overwrite_with_chunks(
         &self,
         buffer: Entity<Buffer>,
         edit_chunks: impl 'static + Send + Stream<Item = Result<String, LanguageModelCompletionError>>,
@@ -118,39 +122,74 @@ impl EditAgent {
         let (output_events_tx, output_events_rx) = mpsc::unbounded();
         let this = self.clone();
         let task = cx.spawn(async move |cx| {
-            // Ensure the buffer is tracked by the action log.
             this.action_log
-                .update(cx, |log, cx| log.track_buffer(buffer.clone(), cx))?;
-
-            cx.update(|cx| {
-                buffer.update(cx, |buffer, cx| buffer.set_text("", cx));
-                this.action_log
-                    .update(cx, |log, cx| log.buffer_edited(buffer.clone(), cx));
-            })?;
-
-            let mut raw_edits = String::new();
-            pin_mut!(edit_chunks);
-            while let Some(chunk) = edit_chunks.next().await {
-                let chunk = chunk?;
-                raw_edits.push_str(&chunk);
-                cx.update(|cx| {
-                    buffer.update(cx, |buffer, cx| buffer.append(chunk, cx));
-                    this.action_log
-                        .update(cx, |log, cx| log.buffer_edited(buffer.clone(), cx));
-                })?;
-                output_events_tx
-                    .unbounded_send(EditAgentOutputEvent::Edited)
-                    .ok();
-            }
-
-            Ok(EditAgentOutput {
-                _raw_edits: raw_edits,
-                _parser_metrics: EditParserMetrics::default(),
-            })
+                .update(cx, |log, cx| log.buffer_created(buffer.clone(), cx))?;
+            let output = this
+                .overwrite_with_chunks_internal(buffer, edit_chunks, output_events_tx, cx)
+                .await;
+            this.project
+                .update(cx, |project, cx| project.set_agent_location(None, cx))?;
+            output
         });
         (task, output_events_rx)
     }
 
+    async fn overwrite_with_chunks_internal(
+        &self,
+        buffer: Entity<Buffer>,
+        edit_chunks: impl 'static + Send + Stream<Item = Result<String, LanguageModelCompletionError>>,
+        output_events_tx: mpsc::UnboundedSender<EditAgentOutputEvent>,
+        cx: &mut AsyncApp,
+    ) -> Result<EditAgentOutput> {
+        cx.update(|cx| {
+            buffer.update(cx, |buffer, cx| buffer.set_text("", cx));
+            self.action_log.update(cx, |log, cx| {
+                log.buffer_edited(buffer.clone(), cx);
+            });
+            self.project.update(cx, |project, cx| {
+                project.set_agent_location(
+                    Some(AgentLocation {
+                        buffer: buffer.downgrade(),
+                        position: language::Anchor::MAX,
+                    }),
+                    cx,
+                )
+            });
+            output_events_tx
+                .unbounded_send(EditAgentOutputEvent::Edited)
+                .ok();
+        })?;
+
+        let mut raw_edits = String::new();
+        pin_mut!(edit_chunks);
+        while let Some(chunk) = edit_chunks.next().await {
+            let chunk = chunk?;
+            raw_edits.push_str(&chunk);
+            cx.update(|cx| {
+                buffer.update(cx, |buffer, cx| buffer.append(chunk, cx));
+                self.action_log
+                    .update(cx, |log, cx| log.buffer_edited(buffer.clone(), cx));
+                self.project.update(cx, |project, cx| {
+                    project.set_agent_location(
+                        Some(AgentLocation {
+                            buffer: buffer.downgrade(),
+                            position: language::Anchor::MAX,
+                        }),
+                        cx,
+                    )
+                });
+            })?;
+            output_events_tx
+                .unbounded_send(EditAgentOutputEvent::Edited)
+                .ok();
+        }
+
+        Ok(EditAgentOutput {
+            _raw_edits: raw_edits,
+            _parser_metrics: EditParserMetrics::default(),
+        })
+    }
+
     pub fn edit(
         &self,
         buffer: Entity<Buffer>,
@@ -161,6 +200,18 @@ impl EditAgent {
         Task<Result<EditAgentOutput>>,
         mpsc::UnboundedReceiver<EditAgentOutputEvent>,
     ) {
+        self.project
+            .update(cx, |project, cx| {
+                project.set_agent_location(
+                    Some(AgentLocation {
+                        buffer: buffer.downgrade(),
+                        position: language::Anchor::MIN,
+                    }),
+                    cx,
+                );
+            })
+            .ok();
+
         let this = self.clone();
         let (events_tx, events_rx) = mpsc::unbounded();
         let output = cx.spawn(async move |cx| {
@@ -194,23 +245,25 @@ impl EditAgent {
         let (output_events_tx, output_events_rx) = mpsc::unbounded();
         let this = self.clone();
         let task = cx.spawn(async move |mut cx| {
-            this.apply_edits_internal(buffer, edit_chunks, output_events_tx, &mut cx)
-                .await
+            this.action_log
+                .update(cx, |log, cx| log.buffer_read(buffer.clone(), cx))?;
+            let output = this
+                .apply_edit_chunks_internal(buffer, edit_chunks, output_events_tx, &mut cx)
+                .await;
+            this.project
+                .update(cx, |project, cx| project.set_agent_location(None, cx))?;
+            output
         });
         (task, output_events_rx)
     }
 
-    async fn apply_edits_internal(
+    async fn apply_edit_chunks_internal(
         &self,
         buffer: Entity<Buffer>,
         edit_chunks: impl 'static + Send + Stream<Item = Result<String, LanguageModelCompletionError>>,
         output_events: mpsc::UnboundedSender<EditAgentOutputEvent>,
         cx: &mut AsyncApp,
     ) -> Result<EditAgentOutput> {
-        // Ensure the buffer is tracked by the action log.
-        self.action_log
-            .update(cx, |log, cx| log.track_buffer(buffer.clone(), cx))?;
-
         let (output, mut edit_events) = Self::parse_edit_chunks(edit_chunks, cx);
         while let Some(edit_event) = edit_events.next().await {
             let EditParserEvent::OldText(old_text_query) = edit_event? else {
@@ -275,14 +328,15 @@ impl EditAgent {
                         match op {
                             CharOperation::Insert { text } => {
                                 let edit_start = snapshot.anchor_after(edit_start);
-                                edits_tx.unbounded_send((edit_start..edit_start, text))?;
+                                edits_tx
+                                    .unbounded_send((edit_start..edit_start, Arc::from(text)))?;
                             }
                             CharOperation::Delete { bytes } => {
                                 let edit_end = edit_start + bytes;
                                 let edit_range = snapshot.anchor_after(edit_start)
                                     ..snapshot.anchor_before(edit_end);
                                 edit_start = edit_end;
-                                edits_tx.unbounded_send((edit_range, String::new()))?;
+                                edits_tx.unbounded_send((edit_range, Arc::from("")))?;
                             }
                             CharOperation::Keep { bytes } => edit_start += bytes,
                         }
@@ -296,13 +350,35 @@ impl EditAgent {
             // TODO: group all edits into one transaction
             let mut edits_rx = edits_rx.ready_chunks(32);
             while let Some(edits) = edits_rx.next().await {
+                if edits.is_empty() {
+                    continue;
+                }
+
                 // Edit the buffer and report edits to the action log as part of the
                 // same effect cycle, otherwise the edit will be reported as if the
                 // user made it.
                 cx.update(|cx| {
-                    buffer.update(cx, |buffer, cx| buffer.edit(edits, None, cx));
+                    let max_edit_end = buffer.update(cx, |buffer, cx| {
+                        buffer.edit(edits.iter().cloned(), None, cx);
+                        let max_edit_end = buffer
+                            .summaries_for_anchors::<Point, _>(
+                                edits.iter().map(|(range, _)| &range.end),
+                            )
+                            .max()
+                            .unwrap();
+                        buffer.anchor_before(max_edit_end)
+                    });
                     self.action_log
-                        .update(cx, |log, cx| log.buffer_edited(buffer.clone(), cx))
+                        .update(cx, |log, cx| log.buffer_edited(buffer.clone(), cx));
+                    self.project.update(cx, |project, cx| {
+                        project.set_agent_location(
+                            Some(AgentLocation {
+                                buffer: buffer.downgrade(),
+                                position: max_edit_end,
+                            }),
+                            cx,
+                        );
+                    });
                 })?;
                 output_events
                     .unbounded_send(EditAgentOutputEvent::Edited)
@@ -657,7 +733,7 @@ mod tests {
     use gpui::{App, AppContext, TestAppContext};
     use indoc::indoc;
     use language_model::fake_provider::FakeLanguageModel;
-    use project::Project;
+    use project::{AgentLocation, Project};
     use rand::prelude::*;
     use rand::rngs::StdRng;
     use std::cmp;
@@ -775,8 +851,11 @@ mod tests {
     }
 
     #[gpui::test]
-    async fn test_events(cx: &mut TestAppContext) {
+    async fn test_edit_events(cx: &mut TestAppContext) {
         let agent = init_test(cx).await;
+        let project = agent
+            .action_log
+            .read_with(cx, |log, _| log.project().clone());
         let buffer = cx.new(|cx| Buffer::local("abc\ndef\nghi", cx));
         let (chunks_tx, chunks_rx) = mpsc::unbounded();
         let (apply, mut events) = agent.apply_edit_chunks(
@@ -792,6 +871,10 @@ mod tests {
             buffer.read_with(cx, |buffer, _| buffer.snapshot().text()),
             "abc\ndef\nghi"
         );
+        assert_eq!(
+            project.read_with(cx, |project, _| project.agent_location()),
+            None
+        );
 
         chunks_tx.unbounded_send("bc</old_text>").unwrap();
         cx.run_until_parked();
@@ -800,6 +883,10 @@ mod tests {
             buffer.read_with(cx, |buffer, _| buffer.snapshot().text()),
             "abc\ndef\nghi"
         );
+        assert_eq!(
+            project.read_with(cx, |project, _| project.agent_location()),
+            None
+        );
 
         chunks_tx.unbounded_send("<new_text>abX").unwrap();
         cx.run_until_parked();
@@ -808,6 +895,13 @@ mod tests {
             buffer.read_with(cx, |buffer, _| buffer.snapshot().text()),
             "abXc\ndef\nghi"
         );
+        assert_eq!(
+            project.read_with(cx, |project, _| project.agent_location()),
+            Some(AgentLocation {
+                buffer: buffer.downgrade(),
+                position: buffer.read_with(cx, |buffer, _| buffer.anchor_before(Point::new(0, 3)))
+            })
+        );
 
         chunks_tx.unbounded_send("cY").unwrap();
         cx.run_until_parked();
@@ -816,6 +910,13 @@ mod tests {
             buffer.read_with(cx, |buffer, _| buffer.snapshot().text()),
             "abXcY\ndef\nghi"
         );
+        assert_eq!(
+            project.read_with(cx, |project, _| project.agent_location()),
+            Some(AgentLocation {
+                buffer: buffer.downgrade(),
+                position: buffer.read_with(cx, |buffer, _| buffer.anchor_before(Point::new(0, 5)))
+            })
+        );
 
         chunks_tx.unbounded_send("</new_text>").unwrap();
         chunks_tx.unbounded_send("<old_text>hall").unwrap();
@@ -825,6 +926,13 @@ mod tests {
             buffer.read_with(cx, |buffer, _| buffer.snapshot().text()),
             "abXcY\ndef\nghi"
         );
+        assert_eq!(
+            project.read_with(cx, |project, _| project.agent_location()),
+            Some(AgentLocation {
+                buffer: buffer.downgrade(),
+                position: buffer.read_with(cx, |buffer, _| buffer.anchor_before(Point::new(0, 5)))
+            })
+        );
 
         chunks_tx.unbounded_send("ucinated old</old_text>").unwrap();
         chunks_tx.unbounded_send("<new_text>").unwrap();
@@ -839,6 +947,13 @@ mod tests {
             buffer.read_with(cx, |buffer, _| buffer.snapshot().text()),
             "abXcY\ndef\nghi"
         );
+        assert_eq!(
+            project.read_with(cx, |project, _| project.agent_location()),
+            Some(AgentLocation {
+                buffer: buffer.downgrade(),
+                position: buffer.read_with(cx, |buffer, _| buffer.anchor_before(Point::new(0, 5)))
+            })
+        );
 
         chunks_tx.unbounded_send("hallucinated new</new_").unwrap();
         chunks_tx.unbounded_send("text>").unwrap();
@@ -848,6 +963,13 @@ mod tests {
             buffer.read_with(cx, |buffer, _| buffer.snapshot().text()),
             "abXcY\ndef\nghi"
         );
+        assert_eq!(
+            project.read_with(cx, |project, _| project.agent_location()),
+            Some(AgentLocation {
+                buffer: buffer.downgrade(),
+                position: buffer.read_with(cx, |buffer, _| buffer.anchor_before(Point::new(0, 5)))
+            })
+        );
 
         chunks_tx.unbounded_send("<old_text>gh").unwrap();
         chunks_tx.unbounded_send("i</old_text>").unwrap();
@@ -858,6 +980,13 @@ mod tests {
             buffer.read_with(cx, |buffer, _| buffer.snapshot().text()),
             "abXcY\ndef\nghi"
         );
+        assert_eq!(
+            project.read_with(cx, |project, _| project.agent_location()),
+            Some(AgentLocation {
+                buffer: buffer.downgrade(),
+                position: buffer.read_with(cx, |buffer, _| buffer.anchor_before(Point::new(0, 5)))
+            })
+        );
 
         chunks_tx.unbounded_send("GHI</new_text>").unwrap();
         cx.run_until_parked();
@@ -869,6 +998,13 @@ mod tests {
             buffer.read_with(cx, |buffer, _| buffer.snapshot().text()),
             "abXcY\ndef\nGHI"
         );
+        assert_eq!(
+            project.read_with(cx, |project, _| project.agent_location()),
+            Some(AgentLocation {
+                buffer: buffer.downgrade(),
+                position: buffer.read_with(cx, |buffer, _| buffer.anchor_before(Point::new(2, 3)))
+            })
+        );
 
         drop(chunks_tx);
         apply.await.unwrap();
@@ -877,16 +1013,108 @@ mod tests {
             "abXcY\ndef\nGHI"
         );
         assert_eq!(drain_events(&mut events), vec![]);
+        assert_eq!(
+            project.read_with(cx, |project, _| project.agent_location()),
+            None
+        );
+    }
 
-        fn drain_events(
-            stream: &mut UnboundedReceiver<EditAgentOutputEvent>,
-        ) -> Vec<EditAgentOutputEvent> {
-            let mut events = Vec::new();
-            while let Ok(Some(event)) = stream.try_next() {
-                events.push(event);
-            }
-            events
-        }
+    #[gpui::test]
+    async fn test_overwrite_events(cx: &mut TestAppContext) {
+        let agent = init_test(cx).await;
+        let project = agent
+            .action_log
+            .read_with(cx, |log, _| log.project().clone());
+        let buffer = cx.new(|cx| Buffer::local("abc\ndef\nghi", cx));
+        let (chunks_tx, chunks_rx) = mpsc::unbounded();
+        let (apply, mut events) = agent.overwrite_with_chunks(
+            buffer.clone(),
+            chunks_rx.map(|chunk: &str| Ok(chunk.to_string())),
+            &mut cx.to_async(),
+        );
+
+        cx.run_until_parked();
+        assert_eq!(
+            drain_events(&mut events),
+            vec![EditAgentOutputEvent::Edited]
+        );
+        assert_eq!(
+            buffer.read_with(cx, |buffer, _| buffer.snapshot().text()),
+            ""
+        );
+        assert_eq!(
+            project.read_with(cx, |project, _| project.agent_location()),
+            Some(AgentLocation {
+                buffer: buffer.downgrade(),
+                position: language::Anchor::MAX
+            })
+        );
+
+        chunks_tx.unbounded_send("jkl\n").unwrap();
+        cx.run_until_parked();
+        assert_eq!(
+            drain_events(&mut events),
+            vec![EditAgentOutputEvent::Edited]
+        );
+        assert_eq!(
+            buffer.read_with(cx, |buffer, _| buffer.snapshot().text()),
+            "jkl\n"
+        );
+        assert_eq!(
+            project.read_with(cx, |project, _| project.agent_location()),
+            Some(AgentLocation {
+                buffer: buffer.downgrade(),
+                position: language::Anchor::MAX
+            })
+        );
+
+        chunks_tx.unbounded_send("mno\n").unwrap();
+        cx.run_until_parked();
+        assert_eq!(
+            drain_events(&mut events),
+            vec![EditAgentOutputEvent::Edited]
+        );
+        assert_eq!(
+            buffer.read_with(cx, |buffer, _| buffer.snapshot().text()),
+            "jkl\nmno\n"
+        );
+        assert_eq!(
+            project.read_with(cx, |project, _| project.agent_location()),
+            Some(AgentLocation {
+                buffer: buffer.downgrade(),
+                position: language::Anchor::MAX
+            })
+        );
+
+        chunks_tx.unbounded_send("pqr").unwrap();
+        cx.run_until_parked();
+        assert_eq!(
+            drain_events(&mut events),
+            vec![EditAgentOutputEvent::Edited]
+        );
+        assert_eq!(
+            buffer.read_with(cx, |buffer, _| buffer.snapshot().text()),
+            "jkl\nmno\npqr"
+        );
+        assert_eq!(
+            project.read_with(cx, |project, _| project.agent_location()),
+            Some(AgentLocation {
+                buffer: buffer.downgrade(),
+                position: language::Anchor::MAX
+            })
+        );
+
+        drop(chunks_tx);
+        apply.await.unwrap();
+        assert_eq!(
+            buffer.read_with(cx, |buffer, _| buffer.snapshot().text()),
+            "jkl\nmno\npqr"
+        );
+        assert_eq!(drain_events(&mut events), vec![]);
+        assert_eq!(
+            project.read_with(cx, |project, _| project.agent_location()),
+            None
+        );
     }
 
     #[gpui::test]
@@ -1173,7 +1401,17 @@ mod tests {
         cx.update(Project::init_settings);
         let project = Project::test(FakeFs::new(cx.executor()), [], cx).await;
         let model = Arc::new(FakeLanguageModel::default());
-        let action_log = cx.new(|_| ActionLog::new(project));
-        EditAgent::new(model, action_log, Templates::new())
+        let action_log = cx.new(|_| ActionLog::new(project.clone()));
+        EditAgent::new(model, project, action_log, Templates::new())
+    }
+
+    fn drain_events(
+        stream: &mut UnboundedReceiver<EditAgentOutputEvent>,
+    ) -> Vec<EditAgentOutputEvent> {
+        let mut events = Vec::new();
+        while let Ok(Some(event)) = stream.try_next() {
+            events.push(event);
+        }
+        events
     }
 }

crates/assistant_tools/src/edit_agent/evals.rs

@@ -517,7 +517,7 @@ fn eval_from_pixels_constructor() {
             input_path: input_file_path.into(),
             input_content: Some(input_file_content.into()),
             edit_description: edit_description.into(),
-            assertion: EvalAssertion::assert_eq(indoc! {"
+            assertion: EvalAssertion::judge_diff(indoc! {"
                 - The diff contains a new `from_pixels` constructor
                 - The diff contains new tests for the `from_pixels` constructor
             "}),
@@ -967,7 +967,7 @@ impl EditAgentTest {
         let action_log = cx.new(|_| ActionLog::new(project.clone()));
 
         Self {
-            agent: EditAgent::new(agent_model, action_log, Templates::new()),
+            agent: EditAgent::new(agent_model, project.clone(), action_log, Templates::new()),
             project,
             judge_model,
         }

crates/assistant_tools/src/edit_file_tool.rs

@@ -5,24 +5,26 @@ use crate::{
 use anyhow::{Context as _, Result, anyhow};
 use assistant_tool::{ActionLog, AnyToolCard, Tool, ToolCard, ToolResult, ToolUseStatus};
 use buffer_diff::{BufferDiff, BufferDiffSnapshot};
-use editor::{Editor, EditorMode, MultiBuffer, PathKey};
+use editor::{Editor, EditorElement, EditorMode, EditorStyle, MultiBuffer, PathKey};
 use gpui::{
     Animation, AnimationExt, AnyWindowHandle, App, AppContext, AsyncApp, Context, Entity, EntityId,
-    Task, WeakEntity, pulsating_between,
+    Task, TextStyle, WeakEntity, pulsating_between,
 };
 use language::{
     Anchor, Buffer, Capability, LanguageRegistry, LineEnding, OffsetRangeExt, Rope, TextBuffer,
     language_settings::SoftWrap,
 };
 use language_model::{LanguageModelRequestMessage, LanguageModelToolSchemaFormat};
-use project::Project;
+use project::{AgentLocation, Project};
 use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
+use settings::Settings;
 use std::{
     path::{Path, PathBuf},
     sync::Arc,
     time::Duration,
 };
+use theme::ThemeSettings;
 use ui::{Disclosure, Tooltip, Window, prelude::*};
 use util::ResultExt;
 use workspace::Workspace;
@@ -164,6 +166,19 @@ impl Tool for EditFileTool {
                 })?
                 .await?;
 
+            // Set the agent's location to the top of the file
+            project
+                .update(cx, |project, cx| {
+                    project.set_agent_location(
+                        Some(AgentLocation {
+                            buffer: buffer.downgrade(),
+                            position: language::Anchor::MIN,
+                        }),
+                        cx,
+                    );
+                })
+                .ok();
+
             let snapshot = buffer.read_with(cx, |buffer, _cx| buffer.snapshot())?;
 
             if input.old_string.is_empty() {
@@ -224,8 +239,8 @@ impl Tool for EditFileTool {
             };
 
             let snapshot = cx.update(|cx| {
-                action_log.update(cx, |log, cx| log.track_buffer(buffer.clone(), cx));
-
+                action_log.update(cx, |log, cx| log.buffer_read(buffer.clone(), cx));
+                let base_version = diff.base_version.clone();
                 let snapshot = buffer.update(cx, |buffer, cx| {
                     buffer.finalize_last_transaction();
                     buffer.apply_diff(diff, cx);
@@ -233,6 +248,21 @@ impl Tool for EditFileTool {
                     buffer.snapshot()
                 });
                 action_log.update(cx, |log, cx| log.buffer_edited(buffer.clone(), cx));
+
+                // Set the agent's location to the position of the first edit
+                if let Some(first_edit) = snapshot.edits_since::<usize>(&base_version).next() {
+                    let position = snapshot.anchor_before(first_edit.new.start);
+                    project.update(cx, |project, cx| {
+                        project.set_agent_location(
+                            Some(AgentLocation {
+                                buffer: buffer.downgrade(),
+                                position,
+                            }),
+                            cx,
+                        );
+                    })
+                }
+
                 snapshot
             })?;
 
@@ -304,6 +334,7 @@ impl EditFileToolCard {
             editor.set_soft_wrap_mode(SoftWrap::None, cx);
             editor.scroll_manager.set_forbid_vertical_scroll(true);
             editor.set_show_scrollbars(false, cx);
+            editor.set_show_indent_guides(false, cx);
             editor.set_read_only(true);
             editor.set_show_breakpoints(false, cx);
             editor.set_show_code_actions(false, cx);
@@ -350,14 +381,13 @@ impl EditFileToolCard {
                         .map(|diff_hunk| diff_hunk.buffer_range.to_point(&snapshot))
                         .collect::<Vec<_>>();
                     multibuffer.clear(cx);
-                    let (_, is_newly_added) = multibuffer.set_excerpts_for_path(
+                    multibuffer.set_excerpts_for_path(
                         PathKey::for_buffer(&buffer, cx),
                         buffer,
                         diff_hunk_ranges,
                         editor::DEFAULT_MULTIBUFFER_CONTEXT,
                         cx,
                     );
-                    debug_assert!(is_newly_added);
                     multibuffer.add_diff(buffer_diff, cx);
                     let end = multibuffer.len(cx);
                     Some(multibuffer.snapshot(cx).offset_to_point(end).row + 1)
@@ -515,7 +545,33 @@ impl ToolCard for EditFileToolCard {
                 .map(|style| style.text.line_height_in_pixels(window.rem_size()))
                 .unwrap_or_default();
 
-            let element = editor.render(window, cx);
+            let settings = ThemeSettings::get_global(cx);
+            let element = EditorElement::new(
+                &cx.entity(),
+                EditorStyle {
+                    background: cx.theme().colors().editor_background,
+                    horizontal_padding: rems(0.25).to_pixels(window.rem_size()),
+                    local_player: cx.theme().players().local(),
+                    text: TextStyle {
+                        color: cx.theme().colors().editor_foreground,
+                        font_family: settings.buffer_font.family.clone(),
+                        font_features: settings.buffer_font.features.clone(),
+                        font_fallbacks: settings.buffer_font.fallbacks.clone(),
+                        font_size: TextSize::Small
+                            .rems(cx)
+                            .to_pixels(settings.agent_font_size(cx))
+                            .into(),
+                        font_weight: settings.buffer_font.weight,
+                        line_height: relative(settings.buffer_line_height.value()),
+                        ..Default::default()
+                    },
+                    scrollbar_width: EditorElement::SCROLLBAR_WIDTH,
+                    syntax: cx.theme().syntax().clone(),
+                    status: cx.theme().status().clone(),
+                    ..Default::default()
+                },
+            );
+
             (element.into_any_element(), line_height)
         });
 
@@ -640,7 +696,7 @@ impl ToolCard for EditFileToolCard {
                             .border_t_1()
                             .border_color(border_color)
                             .bg(cx.theme().colors().editor_background)
-                            .child(div().pl_1().child(editor))
+                            .child(editor)
                             .when(
                                 !self.full_height_expanded && is_collapsible,
                                 |editor_container| editor_container.child(gradient_overlay),
@@ -654,7 +710,6 @@ impl ToolCard for EditFileToolCard {
                                 .cursor_pointer()
                                 .h_5()
                                 .justify_center()
-                                .rounded_b_md()
                                 .border_t_1()
                                 .border_color(border_color)
                                 .bg(cx.theme().colors().editor_background)
@@ -736,9 +791,16 @@ async fn build_buffer_diff(
         })?
         .await;
 
+    let secondary_diff = cx.new(|cx| {
+        let mut diff = BufferDiff::new(&buffer, cx);
+        diff.set_snapshot(diff_snapshot.clone(), &buffer, cx);
+        diff
+    })?;
+
     cx.new(|cx| {
         let mut diff = BufferDiff::new(&buffer.text, cx);
-        diff.set_snapshot(diff_snapshot, &buffer.text, cx);
+        diff.set_snapshot(diff_snapshot, &buffer, cx);
+        diff.set_secondary_diff(secondary_diff);
         diff
     })
 }

crates/assistant_tools/src/find_replace_tool/description.md

@@ -1,13 +0,0 @@
-Find one unique part of a file in the project and replace that text with new text.
-
-This tool is the preferred way to make edits to files *except* when making a rename. When making a rename specifically, the rename tool must always be used instead.
-
-If you have multiple edits to make, including edits across multiple files, then make a plan to respond with a single message containing a batch of calls to this tool - one call for each find/replace operation.
-
-You should only use this tool when you want to edit a subset of a file's contents, but not the entire file. You should not use this tool when you want to replace the entire contents of a file with completely different contents. You also should not use this tool when you want to move or rename a file. You absolutely must NEVER use this tool to create new files from scratch. If you ever consider using this tool to create a new file from scratch, for any reason, instead you must reconsider and choose a different approach.
-
-DO NOT call this tool until the code to be edited appears in the conversation! You must use another tool to read the file's contents into the conversation, or ask the user to add it to context first.
-
-Never call this tool with identical "find" and "replace" strings. Instead, stop and think about what you actually want to do.
-
-REMEMBER: You can use this tool after you just used the `create_file` tool. It's better to edit the file you just created than to recreate a new file from scratch.

crates/assistant_tools/src/read_file_tool.rs

@@ -6,8 +6,9 @@ use gpui::{AnyWindowHandle, App, Entity, Task};
 
 use indoc::formatdoc;
 use itertools::Itertools;
+use language::{Anchor, Point};
 use language_model::{LanguageModelRequestMessage, LanguageModelToolSchemaFormat};
-use project::Project;
+use project::{AgentLocation, Project};
 use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
 use std::sync::Arc;
@@ -35,11 +36,11 @@ pub struct ReadFileToolInput {
 
     /// Optional line number to start reading on (1-based index)
     #[serde(default)]
-    pub start_line: Option<usize>,
+    pub start_line: Option<u32>,
 
     /// Optional line number to end reading on (1-based index, inclusive)
     #[serde(default)]
-    pub end_line: Option<usize>,
+    pub end_line: Option<u32>,
 }
 
 pub struct ReadFileTool;
@@ -109,7 +110,7 @@ impl Tool for ReadFileTool {
         let file_path = input.path.clone();
         cx.spawn(async move |cx| {
             if !exists.await? {
-                return Err(anyhow!("{} not found", file_path))
+                return Err(anyhow!("{} not found", file_path));
             }
 
             let buffer = cx
@@ -118,25 +119,54 @@ impl Tool for ReadFileTool {
                 })?
                 .await?;
 
+            project.update(cx, |project, cx| {
+                project.set_agent_location(
+                    Some(AgentLocation {
+                        buffer: buffer.downgrade(),
+                        position: Anchor::MIN,
+                    }),
+                    cx,
+                );
+            })?;
+
             // Check if specific line ranges are provided
             if input.start_line.is_some() || input.end_line.is_some() {
+                let mut anchor = None;
                 let result = buffer.read_with(cx, |buffer, _cx| {
                     let text = buffer.text();
                     // .max(1) because despite instructions to be 1-indexed, sometimes the model passes 0.
                     let start = input.start_line.unwrap_or(1).max(1);
-                    let lines = text.split('\n').skip(start - 1);
+                    let start_row = start - 1;
+                    if start_row <= buffer.max_point().row {
+                        let column = buffer.line_indent_for_row(start_row).raw_len();
+                        anchor = Some(buffer.anchor_before(Point::new(start_row, column)));
+                    }
+
+                    let lines = text.split('\n').skip(start_row as usize);
                     if let Some(end) = input.end_line {
                         let count = end.saturating_sub(start).saturating_add(1); // Ensure at least 1 line
-                        Itertools::intersperse(lines.take(count), "\n").collect()
+                        Itertools::intersperse(lines.take(count as usize), "\n").collect()
                     } else {
                         Itertools::intersperse(lines, "\n").collect()
                     }
                 })?;
 
                 action_log.update(cx, |log, cx| {
-                    log.track_buffer(buffer, cx);
+                    log.buffer_read(buffer.clone(), cx);
                 })?;
 
+                if let Some(anchor) = anchor {
+                    project.update(cx, |project, cx| {
+                        project.set_agent_location(
+                            Some(AgentLocation {
+                                buffer: buffer.downgrade(),
+                                position: anchor,
+                            }),
+                            cx,
+                        );
+                    })?;
+                }
+
                 Ok(result)
             } else {
                 // No line ranges specified, so check file size to see if it's too big.
@@ -147,7 +177,7 @@ impl Tool for ReadFileTool {
                     let result = buffer.read_with(cx, |buffer, _cx| buffer.text())?;
 
                     action_log.update(cx, |log, cx| {
-                        log.track_buffer(buffer, cx);
+                        log.buffer_read(buffer, cx);
                     })?;
 
                     Ok(result)
@@ -165,7 +195,8 @@ impl Tool for ReadFileTool {
                     })
                 }
             }
-        }).into()
+        })
+        .into()
     }
 }
 

crates/assistant_tools/src/streaming_edit_file_tool.rs

@@ -61,6 +61,9 @@ pub struct StreamingEditFileToolInput {
 
     /// If true, this tool will recreate the file from scratch.
     /// If false, this tool will produce granular edits to an existing file.
+    ///
+    /// When a file already exists or you just created it, always prefer editing
+    /// it as opposed to recreating it from scratch.
     pub create_or_overwrite: bool,
 }
 
@@ -170,7 +173,7 @@ impl Tool for StreamingEditFileTool {
                 .update(|cx| LanguageModelRegistry::read_global(cx).default_model())?
                 .context("default model not set")?
                 .model;
-            let edit_agent = EditAgent::new(model, action_log, Templates::new());
+            let edit_agent = EditAgent::new(model, project.clone(), action_log, Templates::new());
 
             let buffer = project
                 .update(cx, |project, cx| {

crates/assistant_tools/src/terminal_tool.rs

@@ -1,11 +1,11 @@
 use crate::schema::json_schema_for;
-use anyhow::{Context as _, Result, anyhow};
+use anyhow::{Context as _, Result, anyhow, bail};
 use assistant_tool::{ActionLog, Tool, ToolCard, ToolResult, ToolUseStatus};
-use gpui::{
-    Animation, AnimationExt, AnyWindowHandle, App, AppContext, Empty, Entity, EntityId, Task,
-    Transformation, WeakEntity, Window, percentage,
-};
+use futures::{FutureExt as _, future::Shared};
+use gpui::{AnyWindowHandle, App, AppContext, Empty, Entity, EntityId, Task, WeakEntity, Window};
+use language::LineEnding;
 use language_model::{LanguageModelRequestMessage, LanguageModelToolSchemaFormat};
+use portable_pty::{CommandBuilder, PtySize, native_pty_system};
 use project::{Project, terminals::TerminalKind};
 use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
@@ -17,7 +17,7 @@ use std::{
     time::{Duration, Instant},
 };
 use terminal_view::TerminalView;
-use ui::{Disclosure, IconName, Tooltip, prelude::*};
+use ui::{Disclosure, Tooltip, prelude::*};
 use util::{
     get_system_shell, markdown::MarkdownInlineCode, size::format_file_size,
     time::duration_alt_display,
@@ -34,11 +34,37 @@ pub struct TerminalToolInput {
     cd: String,
 }
 
-pub struct TerminalTool;
+pub struct TerminalTool {
+    determine_shell: Shared<Task<String>>,
+}
+
+impl TerminalTool {
+    pub const NAME: &str = "terminal";
+
+    pub(crate) fn new(cx: &mut App) -> Self {
+        let determine_shell = cx.background_spawn(async move {
+            if cfg!(windows) {
+                return get_system_shell();
+            }
+
+            if which::which("bash").is_ok() {
+                log::info!("agent selected bash for terminal tool");
+                "bash".into()
+            } else {
+                let shell = get_system_shell();
+                log::info!("agent selected {shell} for terminal tool");
+                shell
+            }
+        });
+        Self {
+            determine_shell: determine_shell.shared(),
+        }
+    }
+}
 
 impl Tool for TerminalTool {
     fn name(&self) -> String {
-        "terminal".to_string()
+        Self::NAME.to_string()
     }
 
     fn needs_confirmation(&self, _: &serde_json::Value, _: &App) -> bool {
@@ -87,31 +113,101 @@ impl Tool for TerminalTool {
         window: Option<AnyWindowHandle>,
         cx: &mut App,
     ) -> ToolResult {
-        let Some(window) = window else {
-            return Task::ready(Err(anyhow!("no window options"))).into();
-        };
-
         let input: TerminalToolInput = match serde_json::from_value(input) {
             Ok(input) => input,
             Err(err) => return Task::ready(Err(anyhow!(err))).into(),
         };
 
         let input_path = Path::new(&input.cd);
-        let working_dir = match working_dir(cx, &input, &project, input_path) {
+        let working_dir = match working_dir(&input, &project, input_path, cx) {
             Ok(dir) => dir,
-            Err(err) => return Task::ready(Err(anyhow!(err))).into(),
+            Err(err) => return Task::ready(Err(err)).into(),
         };
-        let terminal = project.update(cx, |project, cx| {
-            project.create_terminal(
-                TerminalKind::Task(task::SpawnInTerminal {
-                    command: get_system_shell(),
-                    args: vec!["-c".into(), input.command.clone()],
-                    cwd: working_dir.clone(),
+        let program = self.determine_shell.clone();
+        let command = format!("({}) </dev/null", input.command);
+        let args = vec!["-c".into(), command.clone()];
+        let cwd = working_dir.clone();
+        let env = match &working_dir {
+            Some(dir) => project.update(cx, |project, cx| {
+                project.directory_environment(dir.as_path().into(), cx)
+            }),
+            None => Task::ready(None).shared(),
+        };
+
+        let env = cx.spawn(async move |_| {
+            let mut env = env.await.unwrap_or_default();
+            if cfg!(unix) {
+                env.insert("PAGER".into(), "cat".into());
+            }
+            env
+        });
+
+        let Some(window) = window else {
+            // Headless setup, a test or eval. Our terminal subsystem requires a workspace,
+            // so bypass it and provide a convincing imitation using a pty.
+            let task = cx.background_spawn(async move {
+                let env = env.await;
+                let pty_system = native_pty_system();
+                let program = program.await;
+                let mut cmd = CommandBuilder::new(program);
+                cmd.args(args);
+                for (k, v) in env {
+                    cmd.env(k, v);
+                }
+                if let Some(cwd) = cwd {
+                    cmd.cwd(cwd);
+                }
+                let pair = pty_system.openpty(PtySize {
+                    rows: 24,
+                    cols: 80,
                     ..Default::default()
-                }),
-                window,
-                cx,
-            )
+                })?;
+                let mut child = pair.slave.spawn_command(cmd)?;
+                let mut reader = pair.master.try_clone_reader()?;
+                drop(pair);
+                let mut content = Vec::new();
+                reader.read_to_end(&mut content)?;
+                let mut content = String::from_utf8(content)?;
+                // Massage the pty output a bit to try to match what the terminal codepath gives us
+                LineEnding::normalize(&mut content);
+                content = content
+                    .chars()
+                    .filter(|c| c.is_ascii_whitespace() || !c.is_ascii_control())
+                    .collect();
+                let content = content.trim_start().trim_start_matches("^D");
+                let exit_status = child.wait()?;
+                let (processed_content, _) =
+                    process_content(content, &input.command, Some(exit_status));
+                Ok(processed_content)
+            });
+            return ToolResult {
+                output: task,
+                card: None,
+            };
+        };
+
+        let terminal = cx.spawn({
+            let project = project.downgrade();
+            async move |cx| {
+                let program = program.await;
+                let env = env.await;
+                let terminal = project
+                    .update(cx, |project, cx| {
+                        project.create_terminal(
+                            TerminalKind::Task(task::SpawnInTerminal {
+                                command: program,
+                                args,
+                                cwd,
+                                env,
+                                ..Default::default()
+                            }),
+                            window,
+                            cx,
+                        )
+                    })?
+                    .await;
+                terminal
+            }
         });
 
         let card = cx.new(|cx| {
@@ -134,11 +230,13 @@ impl Tool for TerminalTool {
                             workspace.downgrade(),
                             None,
                             project.downgrade(),
+                            true,
                             window,
                             cx,
                         )
                     })
                 })?;
+
                 let _ = card.update(cx, |card, _| {
                     card.terminal = Some(terminal_view.clone());
                     card.start_instant = Instant::now();
@@ -152,8 +250,11 @@ impl Tool for TerminalTool {
                 })?;
 
                 let previous_len = content.len();
-                let (processed_content, finished_with_empty_output) =
-                    process_content(content, &input.command, exit_status);
+                let (processed_content, finished_with_empty_output) = process_content(
+                    &content,
+                    &input.command,
+                    exit_status.map(portable_pty::ExitStatus::from),
+                );
 
                 let _ = card.update(cx, |card, _| {
                     card.command_finished = true;
@@ -177,9 +278,9 @@ impl Tool for TerminalTool {
 }
 
 fn process_content(
-    content: String,
+    content: &str,
     command: &str,
-    exit_status: Option<ExitStatus>,
+    exit_status: Option<portable_pty::ExitStatus>,
 ) -> (String, bool) {
     let should_truncate = content.len() > COMMAND_OUTPUT_LIMIT;
 
@@ -192,7 +293,7 @@ fn process_content(
         end_ix = content[..end_ix].rfind('\n').unwrap_or(end_ix);
         &content[..end_ix]
     } else {
-        content.as_str()
+        content
     };
     let is_empty = content.trim().is_empty();
 
@@ -221,11 +322,16 @@ fn process_content(
             }
         }
         Some(exit_status) => {
-            let code = exit_status.code().unwrap_or(-1);
             if is_empty {
-                format!("Command \"{command}\" failed with exit code {code}.")
+                format!(
+                    "Command \"{command}\" failed with exit code {}.",
+                    exit_status.exit_code()
+                )
             } else {
-                format!("Command \"{command}\" failed with exit code {code}.\n\n{content}")
+                format!(
+                    "Command \"{command}\" failed with exit code {}.\n\n{content}",
+                    exit_status.exit_code()
+                )
             }
         }
         None => {
@@ -239,11 +345,11 @@ fn process_content(
 }
 
 fn working_dir(
-    cx: &mut App,
     input: &TerminalToolInput,
     project: &Entity<Project>,
     input_path: &Path,
-) -> Result<Option<PathBuf>, &'static str> {
+    cx: &mut App,
+) -> Result<Option<PathBuf>> {
     let project = project.read(cx);
 
     if input.cd == "." {
@@ -253,7 +359,7 @@ fn working_dir(
         match worktrees.next() {
             Some(worktree) => {
                 if worktrees.next().is_some() {
-                    return Err(
+                    bail!(
                         "'.' is ambiguous in multi-root workspaces. Please specify a root directory explicitly.",
                     );
                 }
@@ -267,13 +373,13 @@ fn working_dir(
             .worktrees(cx)
             .any(|worktree| input_path.starts_with(&worktree.read(cx).abs_path()))
         {
-            return Err("The absolute path must be within one of the project's worktrees");
+            bail!("The absolute path must be within one of the project's worktrees");
         }
 
         Ok(Some(input_path.into()))
     } else {
         let Some(worktree) = project.worktree_for_root_name(&input.cd, cx) else {
-            return Err("`cd` directory {} not found in the project");
+            bail!("`cd` directory {:?} not found in the project", input.cd);
         };
 
         Ok(Some(worktree.read(cx).abs_path().to_path_buf()))
@@ -329,155 +435,118 @@ impl ToolCard for TerminalToolCard {
         };
 
         let tool_failed = matches!(status, ToolUseStatus::Error(_));
+
         let command_failed =
             self.command_finished && self.exit_status.is_none_or(|code| !code.success());
+
         if (tool_failed || command_failed) && self.elapsed_time.is_none() {
             self.elapsed_time = Some(self.start_instant.elapsed());
         }
         let time_elapsed = self
             .elapsed_time
             .unwrap_or_else(|| self.start_instant.elapsed());
-        let should_hide_terminal =
-            tool_failed || self.finished_with_empty_output || !self.preview_expanded;
+        let should_hide_terminal = tool_failed || self.finished_with_empty_output;
 
-        let border_color = cx.theme().colors().border.opacity(0.6);
         let header_bg = cx
             .theme()
             .colors()
             .element_background
             .blend(cx.theme().colors().editor_foreground.opacity(0.025));
 
-        let header_label = h_flex()
-            .w_full()
-            .max_w_full()
-            .px_1()
-            .gap_0p5()
-            .opacity(0.8)
-            .child(
-                h_flex()
-                    .child(
-                        Icon::new(IconName::Terminal)
-                            .size(IconSize::XSmall)
-                            .color(Color::Muted),
-                    )
-                    .child(
-                        div()
-                            .id(("terminal-tool-header-input-command", self.entity_id))
-                            .text_size(rems(0.8125))
-                            .font_buffer(cx)
-                            .child(self.input_command.clone())
-                            .ml_1p5()
-                            .mr_0p5()
-                            .tooltip({
-                                let path = self
-                                    .working_dir
-                                    .as_ref()
-                                    .cloned()
-                                    .or_else(|| env::current_dir().ok())
-                                    .map(|path| format!("\"{}\"", path.display()))
-                                    .unwrap_or_else(|| "current directory".to_string());
-                                Tooltip::text(if self.command_finished {
-                                    format!("Ran in {path}")
-                                } else {
-                                    format!("Running in {path}")
-                                })
-                            }),
-                    ),
-            )
-            .into_any_element();
+        let border_color = cx.theme().colors().border.opacity(0.6);
+
+        let path = self
+            .working_dir
+            .as_ref()
+            .cloned()
+            .or_else(|| env::current_dir().ok())
+            .map(|path| format!("{}", path.display()))
+            .unwrap_or_else(|| "current directory".to_string());
 
         let header = h_flex()
             .flex_none()
-            .p_1()
             .gap_1()
             .justify_between()
             .rounded_t_md()
-            .bg(header_bg)
-            .child(header_label)
-            .map(|header| {
-                let header = header
-                    .when(self.was_content_truncated, |header| {
-                        let tooltip =
-                            if self.content_line_count + 10 > terminal::MAX_SCROLL_HISTORY_LINES {
-                                "Output exceeded terminal max lines and was \
-                                truncated, the model received the first 16 KB."
-                                    .to_string()
-                            } else {
-                                format!(
-                                    "Output is {} long, to avoid unexpected token usage, \
-                                    only 16 KB was sent back to the model.",
-                                    format_file_size(self.original_content_len as u64, true),
-                                )
-                            };
-                        header.child(
-                            div()
-                                .id(("terminal-tool-truncated-label", self.entity_id))
-                                .tooltip(Tooltip::text(tooltip))
-                                .child(
-                                    Label::new("(truncated)")
-                                        .color(Color::Disabled)
-                                        .size(LabelSize::Small),
-                                ),
-                        )
-                    })
-                    .when(time_elapsed > Duration::from_secs(10), |header| {
-                        header.child(
-                            Label::new(format!("({})", duration_alt_display(time_elapsed)))
-                                .buffer_font(cx)
-                                .color(Color::Disabled)
-                                .size(LabelSize::Small),
-                        )
-                    });
-
-                if tool_failed || command_failed {
-                    header.child(
-                        div()
-                            .id(("terminal-tool-error-code-indicator", self.entity_id))
-                            .child(
-                                Icon::new(IconName::Close)
-                                    .size(IconSize::Small)
-                                    .color(Color::Error),
-                            )
-                            .when(command_failed && self.exit_status.is_some(), |this| {
-                                this.tooltip(Tooltip::text(format!(
-                                    "Exited with code {}",
-                                    self.exit_status
-                                        .and_then(|status| status.code())
-                                        .unwrap_or(-1),
-                                )))
-                            })
-                            .when(
-                                !command_failed && tool_failed && status.error().is_some(),
-                                |this| {
-                                    this.tooltip(Tooltip::text(format!(
-                                        "Error: {}",
-                                        status.error().unwrap(),
-                                    )))
-                                },
-                            ),
-                    )
-                } else if self.command_finished {
-                    header.child(
-                        Icon::new(IconName::Check)
-                            .size(IconSize::Small)
-                            .color(Color::Success),
-                    )
+            .child(
+                div()
+                    .id(("command-target-path", self.entity_id))
+                    .w_full()
+                    .max_w_full()
+                    .overflow_x_scroll()
+                    .child(
+                        Label::new(path)
+                            .buffer_font(cx)
+                            .size(LabelSize::XSmall)
+                            .color(Color::Muted),
+                    ),
+            )
+            .when(self.was_content_truncated, |header| {
+                let tooltip = if self.content_line_count + 10 > terminal::MAX_SCROLL_HISTORY_LINES {
+                    "Output exceeded terminal max lines and was \
+                        truncated, the model received the first 16 KB."
+                        .to_string()
                 } else {
-                    header.child(
-                        Icon::new(IconName::ArrowCircle)
-                            .size(IconSize::Small)
-                            .color(Color::Info)
-                            .with_animation(
-                                "arrow-circle",
-                                Animation::new(Duration::from_secs(2)).repeat(),
-                                |icon, delta| {
-                                    icon.transform(Transformation::rotate(percentage(delta)))
-                                },
-                            ),
+                    format!(
+                        "Output is {} long, to avoid unexpected token usage, \
+                            only 16 KB was sent back to the model.",
+                        format_file_size(self.original_content_len as u64, true),
                     )
-                }
+                };
+                header.child(
+                    h_flex()
+                        .id(("terminal-tool-truncated-label", self.entity_id))
+                        .tooltip(Tooltip::text(tooltip))
+                        .gap_1()
+                        .child(
+                            Icon::new(IconName::Info)
+                                .size(IconSize::XSmall)
+                                .color(Color::Ignored),
+                        )
+                        .child(
+                            Label::new("Truncated")
+                                .color(Color::Muted)
+                                .size(LabelSize::Small),
+                        ),
+                )
             })
-            .when(!tool_failed && !self.finished_with_empty_output, |header| {
+            .when(time_elapsed > Duration::from_secs(10), |header| {
+                header.child(
+                    Label::new(format!("({})", duration_alt_display(time_elapsed)))
+                        .buffer_font(cx)
+                        .color(Color::Muted)
+                        .size(LabelSize::Small),
+                )
+            })
+            .when(tool_failed || command_failed, |header| {
+                header.child(
+                    div()
+                        .id(("terminal-tool-error-code-indicator", self.entity_id))
+                        .child(
+                            Icon::new(IconName::Close)
+                                .size(IconSize::Small)
+                                .color(Color::Error),
+                        )
+                        .when(command_failed && self.exit_status.is_some(), |this| {
+                            this.tooltip(Tooltip::text(format!(
+                                "Exited with code {}",
+                                self.exit_status
+                                    .and_then(|status| status.code())
+                                    .unwrap_or(-1),
+                            )))
+                        })
+                        .when(
+                            !command_failed && tool_failed && status.error().is_some(),
+                            |this| {
+                                this.tooltip(Tooltip::text(format!(
+                                    "Error: {}",
+                                    status.error().unwrap(),
+                                )))
+                            },
+                        ),
+                )
+            })
+            .when(!should_hide_terminal, |header| {
                 header.child(
                     Disclosure::new(
                         ("terminal-tool-disclosure", self.entity_id),
@@ -500,10 +569,210 @@ impl ToolCard for TerminalToolCard {
             .border_color(border_color)
             .rounded_lg()
             .overflow_hidden()
-            .child(header)
-            .when(!should_hide_terminal, |this| {
-                this.child(div().child(terminal.clone()).min_h(px(250.0)))
+            .child(
+                v_flex().p_2().gap_0p5().bg(header_bg).child(header).child(
+                    Label::new(self.input_command.clone())
+                        .buffer_font(cx)
+                        .size(LabelSize::Small),
+                ),
+            )
+            .when(self.preview_expanded && !should_hide_terminal, |this| {
+                this.child(
+                    div()
+                        .pt_2()
+                        .min_h_72()
+                        .border_t_1()
+                        .border_color(border_color)
+                        .bg(cx.theme().colors().editor_background)
+                        .rounded_b_md()
+                        .text_ui_sm(cx)
+                        .child(terminal.clone()),
+                )
             })
             .into_any()
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use editor::EditorSettings;
+    use fs::RealFs;
+    use gpui::{BackgroundExecutor, TestAppContext};
+    use pretty_assertions::assert_eq;
+    use serde_json::json;
+    use settings::{Settings, SettingsStore};
+    use terminal::terminal_settings::TerminalSettings;
+    use theme::ThemeSettings;
+    use util::{ResultExt as _, test::TempTree};
+
+    use super::*;
+
+    fn init_test(executor: &BackgroundExecutor, cx: &mut TestAppContext) {
+        zlog::init();
+        zlog::init_output_stdout();
+
+        executor.allow_parking();
+        cx.update(|cx| {
+            let settings_store = SettingsStore::test(cx);
+            cx.set_global(settings_store);
+            language::init(cx);
+            Project::init_settings(cx);
+            workspace::init_settings(cx);
+            ThemeSettings::register(cx);
+            TerminalSettings::register(cx);
+            EditorSettings::register(cx);
+        });
+    }
+
+    #[gpui::test]
+    async fn test_interactive_command(executor: BackgroundExecutor, cx: &mut TestAppContext) {
+        if cfg!(windows) {
+            return;
+        }
+
+        init_test(&executor, cx);
+
+        let fs = Arc::new(RealFs::new(None, executor));
+        let tree = TempTree::new(json!({
+            "project": {},
+        }));
+        let project: Entity<Project> =
+            Project::test(fs, [tree.path().join("project").as_path()], cx).await;
+        let action_log = cx.update(|cx| cx.new(|_| ActionLog::new(project.clone())));
+
+        let input = TerminalToolInput {
+            command: "cat".to_owned(),
+            cd: tree
+                .path()
+                .join("project")
+                .as_path()
+                .to_string_lossy()
+                .to_string(),
+        };
+        let result = cx.update(|cx| {
+            TerminalTool::run(
+                Arc::new(TerminalTool::new(cx)),
+                serde_json::to_value(input).unwrap(),
+                &[],
+                project.clone(),
+                action_log.clone(),
+                None,
+                cx,
+            )
+        });
+
+        let output = result.output.await.log_err();
+        assert_eq!(output, Some("Command executed successfully.".into()));
+    }
+
+    #[gpui::test]
+    async fn test_working_directory(executor: BackgroundExecutor, cx: &mut TestAppContext) {
+        if cfg!(windows) {
+            return;
+        }
+
+        init_test(&executor, cx);
+
+        let fs = Arc::new(RealFs::new(None, executor));
+        let tree = TempTree::new(json!({
+            "project": {},
+            "other-project": {},
+        }));
+        let project: Entity<Project> =
+            Project::test(fs, [tree.path().join("project").as_path()], cx).await;
+        let action_log = cx.update(|cx| cx.new(|_| ActionLog::new(project.clone())));
+
+        let check = |input, expected, cx: &mut App| {
+            let headless_result = TerminalTool::run(
+                Arc::new(TerminalTool::new(cx)),
+                serde_json::to_value(input).unwrap(),
+                &[],
+                project.clone(),
+                action_log.clone(),
+                None,
+                cx,
+            );
+            cx.spawn(async move |_| {
+                let output = headless_result.output.await.log_err();
+                assert_eq!(output, expected);
+            })
+        };
+
+        cx.update(|cx| {
+            check(
+                TerminalToolInput {
+                    command: "pwd".into(),
+                    cd: "project".into(),
+                },
+                Some(format!(
+                    "```\n{}\n```",
+                    tree.path().join("project").display()
+                )),
+                cx,
+            )
+        })
+        .await;
+
+        cx.update(|cx| {
+            check(
+                TerminalToolInput {
+                    command: "pwd".into(),
+                    cd: ".".into(),
+                },
+                Some(format!(
+                    "```\n{}\n```",
+                    tree.path().join("project").display()
+                )),
+                cx,
+            )
+        })
+        .await;
+
+        // Absolute path above the worktree root
+        cx.update(|cx| {
+            check(
+                TerminalToolInput {
+                    command: "pwd".into(),
+                    cd: tree.path().to_string_lossy().into(),
+                },
+                None,
+                cx,
+            )
+        })
+        .await;
+
+        project
+            .update(cx, |project, cx| {
+                project.create_worktree(tree.path().join("other-project"), true, cx)
+            })
+            .await
+            .unwrap();
+
+        cx.update(|cx| {
+            check(
+                TerminalToolInput {
+                    command: "pwd".into(),
+                    cd: "other-project".into(),
+                },
+                Some(format!(
+                    "```\n{}\n```",
+                    tree.path().join("other-project").display()
+                )),
+                cx,
+            )
+        })
+        .await;
+
+        cx.update(|cx| {
+            check(
+                TerminalToolInput {
+                    command: "pwd".into(),
+                    cd: ".".into(),
+                },
+                None,
+                cx,
+            )
+        })
+        .await;
+    }
+}

crates/assistant_tools/src/web_search_tool.rs

@@ -15,7 +15,7 @@ use serde::{Deserialize, Serialize};
 use ui::{IconName, Tooltip, prelude::*};
 use web_search::WebSearchRegistry;
 use workspace::Workspace;
-use zed_llm_client::{WebSearchCitation, WebSearchResponse};
+use zed_llm_client::{WebSearchResponse, WebSearchResult};
 
 #[derive(Debug, Serialize, Deserialize, JsonSchema)]
 pub struct WebSearchToolInput {
@@ -120,10 +120,10 @@ impl ToolCard for WebSearchToolCard {
     ) -> impl IntoElement {
         let header = match self.response.as_ref() {
             Some(Ok(response)) => {
-                let text: SharedString = if response.citations.len() == 1 {
+                let text: SharedString = if response.results.len() == 1 {
                     "1 result".into()
                 } else {
-                    format!("{} results", response.citations.len()).into()
+                    format!("{} results", response.results.len()).into()
                 };
                 ToolCallCardHeader::new(IconName::Globe, "Searched the Web")
                     .with_secondary_text(text)
@@ -134,52 +134,47 @@ impl ToolCard for WebSearchToolCard {
             None => ToolCallCardHeader::new(IconName::Globe, "Searching the Web").loading(),
         };
 
-        let content =
-            self.response.as_ref().and_then(|response| match response {
-                Ok(response) => {
-                    Some(
-                        v_flex()
-                            .overflow_hidden()
-                            .ml_1p5()
-                            .pl(px(5.))
-                            .border_l_1()
-                            .border_color(cx.theme().colors().border_variant)
-                            .gap_1()
-                            .children(response.citations.iter().enumerate().map(
-                                |(index, citation)| {
-                                    let title = citation.title.clone();
-                                    let url = citation.url.clone();
+        let content = self.response.as_ref().and_then(|response| match response {
+            Ok(response) => Some(
+                v_flex()
+                    .overflow_hidden()
+                    .ml_1p5()
+                    .pl(px(5.))
+                    .border_l_1()
+                    .border_color(cx.theme().colors().border_variant)
+                    .gap_1()
+                    .children(response.results.iter().enumerate().map(|(index, result)| {
+                        let title = result.title.clone();
+                        let url = result.url.clone();
 
-                                    Button::new(("citation", index), title)
-                                        .label_size(LabelSize::Small)
-                                        .color(Color::Muted)
-                                        .icon(IconName::ArrowUpRight)
-                                        .icon_size(IconSize::XSmall)
-                                        .icon_position(IconPosition::End)
-                                        .truncate(true)
-                                        .tooltip({
-                                            let url = url.clone();
-                                            move |window, cx| {
-                                                Tooltip::with_meta(
-                                                    "Citation Link",
-                                                    None,
-                                                    url.clone(),
-                                                    window,
-                                                    cx,
-                                                )
-                                            }
-                                        })
-                                        .on_click({
-                                            let url = url.clone();
-                                            move |_, _, cx| cx.open_url(&url)
-                                        })
-                                },
-                            ))
-                            .into_any(),
-                    )
-                }
-                Err(_) => None,
-            });
+                        Button::new(("result", index), title)
+                            .label_size(LabelSize::Small)
+                            .color(Color::Muted)
+                            .icon(IconName::ArrowUpRight)
+                            .icon_size(IconSize::XSmall)
+                            .icon_position(IconPosition::End)
+                            .truncate(true)
+                            .tooltip({
+                                let url = url.clone();
+                                move |window, cx| {
+                                    Tooltip::with_meta(
+                                        "Web Search Result",
+                                        None,
+                                        url.clone(),
+                                        window,
+                                        cx,
+                                    )
+                                }
+                            })
+                            .on_click({
+                                let url = url.clone();
+                                move |_, _, cx| cx.open_url(&url)
+                            })
+                    }))
+                    .into_any(),
+            ),
+            Err(_) => None,
+        });
 
         v_flex().mb_3().gap_1().child(header).children(content)
     }
@@ -269,36 +264,39 @@ impl Component for WebSearchToolCard {
 
 fn example_search_response() -> WebSearchResponse {
     WebSearchResponse {
-        summary: r#"Toronto boasts a vibrant culinary scene with a diverse array of..."#
-            .to_string(),
-        citations: vec![
-            WebSearchCitation {
+        results: vec![
+            WebSearchResult {
                 title: "Alo".to_string(),
                 url: "https://www.google.com/maps/search/Alo%2C+Toronto%2C+Canada".to_string(),
-                range: Some(147..213),
+                text: "Alo is a popular restaurant in Toronto.".to_string(),
             },
-            WebSearchCitation {
+            WebSearchResult {
+                title: "Alo".to_string(),
+                url: "https://www.google.com/maps/search/Alo%2C+Toronto%2C+Canada".to_string(),
+                text: "Information about Alo restaurant in Toronto.".to_string(),
+            },
+            WebSearchResult {
                 title: "Edulis".to_string(),
                 url: "https://www.google.com/maps/search/Edulis%2C+Toronto%2C+Canada".to_string(),
-                range: Some(447..519),
+                text: "Details about Edulis restaurant in Toronto.".to_string(),
             },
-            WebSearchCitation {
+            WebSearchResult {
                 title: "Sushi Masaki Saito".to_string(),
                 url: "https://www.google.com/maps/search/Sushi+Masaki+Saito%2C+Toronto%2C+Canada"
                     .to_string(),
-                range: Some(776..872),
+                text: "Information about Sushi Masaki Saito in Toronto.".to_string(),
             },
-            WebSearchCitation {
+            WebSearchResult {
                 title: "Shoushin".to_string(),
                 url: "https://www.google.com/maps/search/Shoushin%2C+Toronto%2C+Canada".to_string(),
-                range: Some(1072..1148),
+                text: "Details about Shoushin restaurant in Toronto.".to_string(),
             },
-            WebSearchCitation {
+            WebSearchResult {
                 title: "Restaurant 20 Victoria".to_string(),
                 url:
                     "https://www.google.com/maps/search/Restaurant+20+Victoria%2C+Toronto%2C+Canada"
                         .to_string(),
-                range: Some(1291..1395),
+                text: "Information about Restaurant 20 Victoria in Toronto.".to_string(),
             },
         ],
     }

crates/client/src/user.rs

@@ -101,6 +101,12 @@ pub struct UserStore {
     participant_indices: HashMap<u64, ParticipantIndex>,
     update_contacts_tx: mpsc::UnboundedSender<UpdateContacts>,
     current_plan: Option<proto::Plan>,
+    trial_started_at: Option<DateTime<Utc>>,
+    model_request_usage_amount: Option<u32>,
+    model_request_usage_limit: Option<proto::UsageLimit>,
+    edit_predictions_usage_amount: Option<u32>,
+    edit_predictions_usage_limit: Option<proto::UsageLimit>,
+    is_usage_based_billing_enabled: Option<bool>,
     current_user: watch::Receiver<Option<Arc<User>>>,
     accepted_tos_at: Option<Option<DateTime<Utc>>>,
     contacts: Vec<Arc<Contact>>,
@@ -160,6 +166,12 @@ impl UserStore {
             by_github_login: Default::default(),
             current_user: current_user_rx,
             current_plan: None,
+            trial_started_at: None,
+            model_request_usage_amount: None,
+            model_request_usage_limit: None,
+            edit_predictions_usage_amount: None,
+            edit_predictions_usage_limit: None,
+            is_usage_based_billing_enabled: None,
             accepted_tos_at: None,
             contacts: Default::default(),
             incoming_contact_requests: Default::default(),
@@ -321,6 +333,19 @@ impl UserStore {
     ) -> Result<()> {
         this.update(&mut cx, |this, cx| {
             this.current_plan = Some(message.payload.plan());
+            this.trial_started_at = message
+                .payload
+                .trial_started_at
+                .and_then(|trial_started_at| DateTime::from_timestamp(trial_started_at as i64, 0));
+            this.is_usage_based_billing_enabled = message.payload.is_usage_based_billing_enabled;
+
+            if let Some(usage) = message.payload.usage {
+                this.model_request_usage_amount = Some(usage.model_requests_usage_amount);
+                this.model_request_usage_limit = usage.model_requests_usage_limit;
+                this.edit_predictions_usage_amount = Some(usage.edit_predictions_usage_amount);
+                this.edit_predictions_usage_limit = usage.edit_predictions_usage_limit;
+            }
+
             cx.notify();
         })?;
         Ok(())
@@ -688,6 +713,30 @@ impl UserStore {
         self.current_plan
     }
 
+    pub fn trial_started_at(&self) -> Option<DateTime<Utc>> {
+        self.trial_started_at
+    }
+
+    pub fn usage_based_billing_enabled(&self) -> Option<bool> {
+        self.is_usage_based_billing_enabled
+    }
+
+    pub fn model_request_usage_amount(&self) -> Option<u32> {
+        self.model_request_usage_amount
+    }
+
+    pub fn model_request_usage_limit(&self) -> Option<proto::UsageLimit> {
+        self.model_request_usage_limit.clone()
+    }
+
+    pub fn edit_predictions_usage_amount(&self) -> Option<u32> {
+        self.edit_predictions_usage_amount
+    }
+
+    pub fn edit_predictions_usage_limit(&self) -> Option<proto::UsageLimit> {
+        self.edit_predictions_usage_limit.clone()
+    }
+
     pub fn watch_current_user(&self) -> watch::Receiver<Option<Arc<User>>> {
         self.current_user.clone()
     }

crates/clock/src/clock.rs

@@ -10,6 +10,7 @@ use std::{
 pub use system_clock::*;
 
 pub const LOCAL_BRANCH_REPLICA_ID: u16 = u16::MAX;
+pub const AGENT_REPLICA_ID: u16 = u16::MAX - 1;
 
 /// A unique identifier for each distributed node.
 pub type ReplicaId = u16;

crates/collab/migrations.sqlite/20221109000000_test_schema.sql

@@ -482,7 +482,9 @@ CREATE TABLE IF NOT EXISTS billing_preferences (
     id INTEGER PRIMARY KEY AUTOINCREMENT,
     created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
     user_id INTEGER NOT NULL REFERENCES users (id),
-    max_monthly_llm_usage_spending_in_cents INTEGER NOT NULL
+    max_monthly_llm_usage_spending_in_cents INTEGER NOT NULL,
+    model_request_overages_enabled bool NOT NULL DEFAULT FALSE,
+    model_request_overages_spend_limit_in_cents integer NOT NULL DEFAULT 0
 );
 
 CREATE UNIQUE INDEX "uix_billing_preferences_on_user_id" ON billing_preferences (user_id);

crates/collab/src/rpc.rs

@@ -2,7 +2,7 @@ mod connection_pool;
 
 use crate::api::{CloudflareIpCountryHeader, SystemIdHeader};
 use crate::db::billing_subscription::SubscriptionKind;
-use crate::llm::LlmTokenClaims;
+use crate::llm::{AGENT_EXTENDED_TRIAL_FEATURE_FLAG, LlmTokenClaims};
 use crate::{
     AppState, Error, Result, auth,
     db::{
@@ -37,6 +37,7 @@ use core::fmt::{self, Debug, Formatter};
 use reqwest_client::ReqwestClient;
 use rpc::proto::split_repository_update;
 use supermaven_api::{CreateExternalUserRequest, SupermavenAdminApi};
+use util::maybe;
 
 use futures::{
     FutureExt, SinkExt, StreamExt, TryStreamExt, channel::oneshot, future::BoxFuture,
@@ -2693,14 +2694,111 @@ fn should_auto_subscribe_to_channels(version: ZedVersion) -> bool {
     version.0.minor() < 139
 }
 
-async fn update_user_plan(_user_id: UserId, session: &Session) -> Result<()> {
-    let plan = session.current_plan(&session.db().await).await?;
+async fn update_user_plan(user_id: UserId, session: &Session) -> Result<()> {
+    let db = session.db().await;
+
+    let feature_flags = db.get_user_flags(user_id).await?;
+    let plan = session.current_plan(&db).await?;
+    let billing_customer = db.get_billing_customer_by_user_id(user_id).await?;
+    let billing_preferences = db.get_billing_preferences(user_id).await?;
+
+    let usage = if let Some(llm_db) = session.app_state.llm_db.clone() {
+        let subscription = db.get_active_billing_subscription(user_id).await?;
+
+        let subscription_period = maybe!({
+            let subscription = subscription?;
+            let period_start_at = subscription.current_period_start_at()?;
+            let period_end_at = subscription.current_period_end_at()?;
+
+            Some((period_start_at, period_end_at))
+        });
+
+        if let Some((period_start_at, period_end_at)) = subscription_period {
+            llm_db
+                .get_subscription_usage_for_period(user_id, period_start_at, period_end_at)
+                .await?
+        } else {
+            None
+        }
+    } else {
+        None
+    };
 
     session
         .peer
         .send(
             session.connection_id,
-            proto::UpdateUserPlan { plan: plan.into() },
+            proto::UpdateUserPlan {
+                plan: plan.into(),
+                trial_started_at: billing_customer
+                    .and_then(|billing_customer| billing_customer.trial_started_at)
+                    .map(|trial_started_at| trial_started_at.and_utc().timestamp() as u64),
+                is_usage_based_billing_enabled: billing_preferences
+                    .map(|preferences| preferences.model_request_overages_enabled),
+                usage: usage.map(|usage| {
+                    let plan = match plan {
+                        proto::Plan::Free => zed_llm_client::Plan::Free,
+                        proto::Plan::ZedPro => zed_llm_client::Plan::ZedPro,
+                        proto::Plan::ZedProTrial => zed_llm_client::Plan::ZedProTrial,
+                    };
+
+                    let model_requests_limit = match plan.model_requests_limit() {
+                        zed_llm_client::UsageLimit::Limited(limit) => {
+                            let limit = if plan == zed_llm_client::Plan::ZedProTrial
+                                && feature_flags
+                                    .iter()
+                                    .any(|flag| flag == AGENT_EXTENDED_TRIAL_FEATURE_FLAG)
+                            {
+                                1_000
+                            } else {
+                                limit
+                            };
+
+                            zed_llm_client::UsageLimit::Limited(limit)
+                        }
+                        zed_llm_client::UsageLimit::Unlimited => {
+                            zed_llm_client::UsageLimit::Unlimited
+                        }
+                    };
+
+                    proto::SubscriptionUsage {
+                        model_requests_usage_amount: usage.model_requests as u32,
+                        model_requests_usage_limit: Some(proto::UsageLimit {
+                            variant: Some(match model_requests_limit {
+                                zed_llm_client::UsageLimit::Limited(limit) => {
+                                    proto::usage_limit::Variant::Limited(
+                                        proto::usage_limit::Limited {
+                                            limit: limit as u32,
+                                        },
+                                    )
+                                }
+                                zed_llm_client::UsageLimit::Unlimited => {
+                                    proto::usage_limit::Variant::Unlimited(
+                                        proto::usage_limit::Unlimited {},
+                                    )
+                                }
+                            }),
+                        }),
+                        edit_predictions_usage_amount: usage.edit_predictions as u32,
+                        edit_predictions_usage_limit: Some(proto::UsageLimit {
+                            variant: Some(match plan.edit_predictions_limit() {
+                                zed_llm_client::UsageLimit::Limited(limit) => {
+                                    proto::usage_limit::Variant::Limited(
+                                        proto::usage_limit::Limited {
+                                            limit: limit as u32,
+                                        },
+                                    )
+                                }
+                                zed_llm_client::UsageLimit::Unlimited => {
+                                    proto::usage_limit::Variant::Unlimited(
+                                        proto::usage_limit::Unlimited {},
+                                    )
+                                }
+                            }),
+                        }),
+                    }
+                }),
+            },
         )
         .trace_err();
 

crates/collab/src/tests/channel_buffer_tests.rs

@@ -13,6 +13,7 @@ use gpui::{BackgroundExecutor, Context, Entity, TestAppContext, Window};
 use rpc::{RECEIVE_TIMEOUT, proto::PeerId};
 use serde_json::json;
 use std::ops::Range;
+use workspace::CollaboratorId;
 
 #[gpui::test]
 async fn test_core_channel_buffers(
@@ -300,13 +301,20 @@ fn assert_remote_selections(
     cx: &mut Context<Editor>,
 ) {
     let snapshot = editor.snapshot(window, cx);
+    let hub = editor.collaboration_hub().unwrap();
+    let collaborators = hub.collaborators(cx);
     let range = Anchor::min()..Anchor::max();
     let remote_selections = snapshot
-        .remote_selections_in_range(&range, editor.collaboration_hub().unwrap(), cx)
+        .remote_selections_in_range(&range, hub, cx)
         .map(|s| {
+            let CollaboratorId::PeerId(peer_id) = s.collaborator_id else {
+                panic!("unexpected collaborator id");
+            };
             let start = s.selection.start.to_offset(&snapshot.buffer_snapshot);
             let end = s.selection.end.to_offset(&snapshot.buffer_snapshot);
-            (s.participant_index, start..end)
+            let user_id = collaborators.get(&peer_id).unwrap().user_id;
+            let participant_index = hub.user_participant_indices(cx).get(&user_id).copied();
+            (participant_index, start..end)
         })
         .collect::<Vec<_>>();
     assert_eq!(

crates/collab/src/tests/following_tests.rs

@@ -18,7 +18,7 @@ use serde_json::json;
 use settings::SettingsStore;
 use text::{Point, ToPoint};
 use util::{path, test::sample_text};
-use workspace::{SplitDirection, Workspace, item::ItemHandle as _};
+use workspace::{CollaboratorId, SplitDirection, Workspace, item::ItemHandle as _};
 
 use super::TestClient;
 
@@ -425,7 +425,7 @@ async fn test_basic_following(
     executor.run_until_parked();
     assert_eq!(
         workspace_a.update(cx_a, |workspace, _| workspace.leader_for_pane(&pane_a)),
-        Some(peer_id_b)
+        Some(peer_id_b.into())
     );
     assert_eq!(
         workspace_a.update_in(cx_a, |workspace, _, cx| workspace
@@ -1267,7 +1267,7 @@ async fn test_auto_unfollowing(cx_a: &mut TestAppContext, cx_b: &mut TestAppCont
     executor.run_until_parked();
     assert_eq!(
         workspace_b.update(cx_b, |workspace, _| workspace.leader_for_pane(&pane_b)),
-        Some(leader_id)
+        Some(leader_id.into())
     );
     let editor_b2 = workspace_b.update(cx_b, |workspace, cx| {
         workspace
@@ -1292,7 +1292,7 @@ async fn test_auto_unfollowing(cx_a: &mut TestAppContext, cx_b: &mut TestAppCont
     executor.run_until_parked();
     assert_eq!(
         workspace_b.update(cx_b, |workspace, _| workspace.leader_for_pane(&pane_b)),
-        Some(leader_id)
+        Some(leader_id.into())
     );
 
     // When client B edits, it automatically stops following client A.
@@ -1308,7 +1308,7 @@ async fn test_auto_unfollowing(cx_a: &mut TestAppContext, cx_b: &mut TestAppCont
     executor.run_until_parked();
     assert_eq!(
         workspace_b.update(cx_b, |workspace, _| workspace.leader_for_pane(&pane_b)),
-        Some(leader_id)
+        Some(leader_id.into())
     );
 
     // When client B scrolls, it automatically stops following client A.
@@ -1326,7 +1326,7 @@ async fn test_auto_unfollowing(cx_a: &mut TestAppContext, cx_b: &mut TestAppCont
     executor.run_until_parked();
     assert_eq!(
         workspace_b.update(cx_b, |workspace, _| workspace.leader_for_pane(&pane_b)),
-        Some(leader_id)
+        Some(leader_id.into())
     );
 
     // When client B activates a different pane, it continues following client A in the original pane.
@@ -1335,7 +1335,7 @@ async fn test_auto_unfollowing(cx_a: &mut TestAppContext, cx_b: &mut TestAppCont
     });
     assert_eq!(
         workspace_b.update(cx_b, |workspace, _| workspace.leader_for_pane(&pane_b)),
-        Some(leader_id)
+        Some(leader_id.into())
     );
 
     workspace_b.update_in(cx_b, |workspace, window, cx| {
@@ -1343,7 +1343,7 @@ async fn test_auto_unfollowing(cx_a: &mut TestAppContext, cx_b: &mut TestAppCont
     });
     assert_eq!(
         workspace_b.update(cx_b, |workspace, _| workspace.leader_for_pane(&pane_b)),
-        Some(leader_id)
+        Some(leader_id.into())
     );
 
     // When client B activates a different item in the original pane, it automatically stops following client A.
@@ -1406,13 +1406,13 @@ async fn test_peers_simultaneously_following_each_other(
     workspace_a.update(cx_a, |workspace, _| {
         assert_eq!(
             workspace.leader_for_pane(workspace.active_pane()),
-            Some(client_b_id)
+            Some(client_b_id.into())
         );
     });
     workspace_b.update(cx_b, |workspace, _| {
         assert_eq!(
             workspace.leader_for_pane(workspace.active_pane()),
-            Some(client_a_id)
+            Some(client_a_id.into())
         );
     });
 }
@@ -1513,7 +1513,7 @@ async fn test_following_across_workspaces(cx_a: &mut TestAppContext, cx_b: &mut
     workspace_b_project_a.update(&mut cx_b2, |workspace, cx| {
         assert!(workspace.is_being_followed(client_a.peer_id().unwrap()));
         assert_eq!(
-            client_a.peer_id(),
+            client_a.peer_id().map(Into::into),
             workspace.leader_for_pane(workspace.active_pane())
         );
         let item = workspace.active_item(cx).unwrap();
@@ -1554,7 +1554,7 @@ async fn test_following_across_workspaces(cx_a: &mut TestAppContext, cx_b: &mut
     workspace_a.update(cx_a, |workspace, cx| {
         assert!(workspace.is_being_followed(client_b.peer_id().unwrap()));
         assert_eq!(
-            client_b.peer_id(),
+            client_b.peer_id().map(Into::into),
             workspace.leader_for_pane(workspace.active_pane())
         );
         let item = workspace.active_pane().read(cx).active_item().unwrap();
@@ -1615,7 +1615,7 @@ async fn test_following_across_workspaces(cx_a: &mut TestAppContext, cx_b: &mut
         assert_eq!(workspace.project().read(cx).remote_id(), Some(project_b_id));
         assert!(workspace.is_being_followed(client_b.peer_id().unwrap()));
         assert_eq!(
-            client_b.peer_id(),
+            client_b.peer_id().map(Into::into),
             workspace.leader_for_pane(workspace.active_pane())
         );
         let item = workspace.active_item(cx).unwrap();
@@ -1866,7 +1866,11 @@ fn pane_summaries(workspace: &Entity<Workspace>, cx: &mut VisualTestContext) ->
             .panes()
             .iter()
             .map(|pane| {
-                let leader = workspace.leader_for_pane(pane);
+                let leader = match workspace.leader_for_pane(pane) {
+                    Some(CollaboratorId::PeerId(peer_id)) => Some(peer_id),
+                    Some(CollaboratorId::Agent) => unimplemented!(),
+                    None => None,
+                };
                 let active = pane == active_pane;
                 let pane = pane.read(cx);
                 let active_ix = pane.active_item_index();
@@ -1985,7 +1989,7 @@ async fn test_following_to_channel_notes_without_a_shared_project(
     let channel_notes_1_b = workspace_b.update(cx_b, |workspace, cx| {
         assert_eq!(
             workspace.leader_for_pane(workspace.active_pane()),
-            Some(client_a.peer_id().unwrap())
+            Some(client_a.peer_id().unwrap().into())
         );
         workspace
             .active_item(cx)
@@ -2015,7 +2019,7 @@ async fn test_following_to_channel_notes_without_a_shared_project(
     let channel_notes_2_b = workspace_b.update(cx_b, |workspace, cx| {
         assert_eq!(
             workspace.leader_for_pane(workspace.active_pane()),
-            Some(client_a.peer_id().unwrap())
+            Some(client_a.peer_id().unwrap().into())
         );
         workspace
             .active_item(cx)

crates/collab/src/tests/integration_tests.rs

@@ -6709,8 +6709,6 @@ async fn test_context_collaboration_with_reconnect(
         assert_eq!(project.collaborators().len(), 1);
     });
 
-    cx_a.update(context_server::init);
-    cx_b.update(context_server::init);
     let prompt_builder = Arc::new(PromptBuilder::new(None).unwrap());
     let context_store_a = cx_a
         .update(|cx| {

crates/collab/src/tests/test_server.rs

@@ -712,6 +712,7 @@ impl TestClient {
         worktree
             .read_with(cx, |tree, _| tree.as_local().unwrap().scan_complete())
             .await;
+        cx.run_until_parked();
         (project, worktree.read_with(cx, |tree, _| tree.id()))
     }
 

crates/collab_ui/src/channel_view.rs

@@ -22,7 +22,7 @@ use std::{
 };
 use ui::prelude::*;
 use util::ResultExt;
-use workspace::item::TabContentParams;
+use workspace::{CollaboratorId, item::TabContentParams};
 use workspace::{
     ItemNavHistory, Pane, SaveIntent, Toast, ViewId, Workspace, WorkspaceId,
     item::{FollowableItem, Item, ItemEvent, ItemHandle},
@@ -654,15 +654,14 @@ impl FollowableItem for ChannelView {
         })
     }
 
-    fn set_leader_peer_id(
+    fn set_leader_id(
         &mut self,
-        leader_peer_id: Option<PeerId>,
+        leader_id: Option<CollaboratorId>,
         window: &mut Window,
         cx: &mut Context<Self>,
     ) {
-        self.editor.update(cx, |editor, cx| {
-            editor.set_leader_peer_id(leader_peer_id, window, cx)
-        })
+        self.editor
+            .update(cx, |editor, cx| editor.set_leader_id(leader_id, window, cx))
     }
 
     fn is_project_item(&self, _window: &Window, _cx: &App) -> bool {

crates/component/src/component.rs

@@ -4,8 +4,8 @@ use std::sync::LazyLock;
 
 use collections::HashMap;
 use gpui::{
-    AnyElement, App, IntoElement, RenderOnce, SharedString, Window, div, pattern_slash, prelude::*,
-    px, rems,
+    AnyElement, App, IntoElement, Pixels, RenderOnce, SharedString, Window, div, pattern_slash,
+    prelude::*, px, rems,
 };
 use linkme::distributed_slice;
 use parking_lot::RwLock;
@@ -249,13 +249,20 @@ pub struct ComponentExample {
     pub variant_name: SharedString,
     pub description: Option<SharedString>,
     pub element: AnyElement,
+    pub width: Option<Pixels>,
 }
 
 impl RenderOnce for ComponentExample {
     fn render(self, _window: &mut Window, cx: &mut App) -> impl IntoElement {
         div()
             .pt_2()
-            .w_full()
+            .map(|this| {
+                if let Some(width) = self.width {
+                    this.w(width)
+                } else {
+                    this.w_full()
+                }
+            })
             .flex()
             .flex_col()
             .gap_3()
@@ -306,6 +313,7 @@ impl ComponentExample {
             variant_name: variant_name.into(),
             element,
             description: None,
+            width: None,
         }
     }
 
@@ -313,6 +321,11 @@ impl ComponentExample {
         self.description = Some(description.into());
         self
     }
+
+    pub fn width(mut self, width: Pixels) -> Self {
+        self.width = Some(width);
+        self
+    }
 }
 
 /// A group of component examples.
@@ -320,6 +333,7 @@ impl ComponentExample {
 pub struct ComponentExampleGroup {
     pub title: Option<SharedString>,
     pub examples: Vec<ComponentExample>,
+    pub width: Option<Pixels>,
     pub grow: bool,
     pub vertical: bool,
 }
@@ -330,7 +344,13 @@ impl RenderOnce for ComponentExampleGroup {
             .flex_col()
             .text_sm()
             .text_color(cx.theme().colors().text_muted)
-            .w_full()
+            .map(|this| {
+                if let Some(width) = self.width {
+                    this.w(width)
+                } else {
+                    this.w_full()
+                }
+            })
             .when_some(self.title, |this, title| {
                 this.gap_4().child(
                     div()
@@ -373,6 +393,7 @@ impl ComponentExampleGroup {
         Self {
             title: None,
             examples,
+            width: None,
             grow: false,
             vertical: false,
         }
@@ -381,10 +402,15 @@ impl ComponentExampleGroup {
         Self {
             title: Some(title.into()),
             examples,
+            width: None,
             grow: false,
             vertical: false,
         }
     }
+    pub fn width(mut self, width: Pixels) -> Self {
+        self.width = Some(width);
+        self
+    }
     pub fn grow(mut self) -> Self {
         self.grow = true;
         self
@@ -402,6 +428,10 @@ pub fn single_example(
     ComponentExample::new(variant_name, example)
 }
 
+pub fn empty_example(variant_name: impl Into<SharedString>) -> ComponentExample {
+    ComponentExample::new(variant_name, div().w_full().text_center().items_center().text_xs().opacity(0.4).child("This space is intentionally left blank. It indicates a case that should render nothing.").into_any_element())
+}
+
 pub fn example_group(examples: Vec<ComponentExample>) -> ComponentExampleGroup {
     ComponentExampleGroup::new(examples)
 }

crates/component_preview/Cargo.toml

@@ -21,6 +21,7 @@ client.workspace = true
 collections.workspace = true
 component.workspace = true
 db.workspace = true
+futures.workspace = true
 gpui.workspace = true
 languages.workspace = true
 log.workspace = true
@@ -30,6 +31,7 @@ prompt_store.workspace = true
 serde.workspace = true
 ui.workspace = true
 ui_input.workspace = true
+util.workspace = true
 workspace-hack.workspace = true
 workspace.workspace = true
 assistant_tool.workspace = true

crates/component_preview/src/component_preview.rs

@@ -8,7 +8,7 @@ mod preview_support;
 use std::iter::Iterator;
 use std::sync::Arc;
 
-use agent::{ActiveThread, ThreadStore};
+use agent::{ActiveThread, TextThreadStore, ThreadStore};
 use client::UserStore;
 use component::{ComponentId, ComponentMetadata, components};
 use gpui::{
@@ -21,11 +21,13 @@ use gpui::{ListState, ScrollHandle, ScrollStrategy, UniformListScrollHandle};
 use languages::LanguageRegistry;
 use notifications::status_toast::{StatusToast, ToastIcon};
 use persistence::COMPONENT_PREVIEW_DB;
-use preview_support::active_thread::{load_preview_thread_store, static_active_thread};
+use preview_support::active_thread::{
+    load_preview_text_thread_store, load_preview_thread_store, static_active_thread,
+};
 use project::Project;
 use ui::{Divider, HighlightedLabel, ListItem, ListSubHeader, prelude::*};
-
 use ui_input::SingleLineInput;
+use util::ResultExt as _;
 use workspace::{AppState, ItemId, SerializableItem, delete_unloaded_items};
 use workspace::{Item, Workspace, WorkspaceId, item::ItemEvent};
 
@@ -110,7 +112,6 @@ struct ComponentPreview {
     active_page: PreviewPage,
     components: Vec<ComponentMetadata>,
     component_list: ListState,
-    agent_previews: Vec<ComponentId>,
     cursor_index: usize,
     language_registry: Arc<LanguageRegistry>,
     workspace: WeakEntity<Workspace>,
@@ -121,6 +122,7 @@ struct ComponentPreview {
 
     // preview support
     thread_store: Option<Entity<ThreadStore>>,
+    text_thread_store: Option<Entity<TextThreadStore>>,
     active_thread: Option<Entity<ActiveThread>>,
 }
 
@@ -138,23 +140,29 @@ impl ComponentPreview {
         let workspace_clone = workspace.clone();
         let project_clone = project.clone();
 
-        let entity = cx.weak_entity();
-        window
-            .spawn(cx, async move |cx| {
-                let thread_store_task =
-                    load_preview_thread_store(workspace_clone.clone(), project_clone.clone(), cx)
-                        .await;
+        cx.spawn_in(window, async move |entity, cx| {
+            let thread_store_future =
+                load_preview_thread_store(workspace_clone.clone(), project_clone.clone(), cx);
+            let text_thread_store_future =
+                load_preview_text_thread_store(workspace_clone.clone(), project_clone.clone(), cx);
 
-                if let Ok(thread_store) = thread_store_task.await {
-                    entity
-                        .update_in(cx, |this, window, cx| {
-                            this.thread_store = Some(thread_store.clone());
-                            this.create_active_thread(window, cx);
-                        })
-                        .ok();
-                }
-            })
-            .detach();
+            let (thread_store_result, text_thread_store_result) =
+                futures::join!(thread_store_future, text_thread_store_future);
+
+            if let (Some(thread_store), Some(text_thread_store)) = (
+                thread_store_result.log_err(),
+                text_thread_store_result.log_err(),
+            ) {
+                entity
+                    .update_in(cx, |this, window, cx| {
+                        this.thread_store = Some(thread_store.clone());
+                        this.text_thread_store = Some(text_thread_store.clone());
+                        this.create_active_thread(window, cx);
+                    })
+                    .ok();
+            }
+        })
+        .detach();
 
         let sorted_components = components().all_sorted();
         let selected_index = selected_index.into().unwrap_or(0);
@@ -179,9 +187,6 @@ impl ComponentPreview {
             },
         );
 
-        // Initialize agent previews
-        let agent_previews = agent::all_agent_previews();
-
         let mut component_preview = Self {
             workspace_id: None,
             focus_handle: cx.focus_handle(),
@@ -195,11 +200,11 @@ impl ComponentPreview {
             component_map: components().0,
             components: sorted_components,
             component_list,
-            agent_previews,
             cursor_index: selected_index,
             filter_editor,
             filter_text: String::new(),
             thread_store: None,
+            text_thread_store: None,
             active_thread: None,
         };
 
@@ -225,12 +230,17 @@ impl ComponentPreview {
         let weak_handle = self.workspace.clone();
         if let Some(workspace) = workspace.upgrade() {
             let project = workspace.read(cx).project().clone();
-            if let Some(thread_store) = self.thread_store.clone() {
+            if let Some((thread_store, text_thread_store)) = self
+                .thread_store
+                .clone()
+                .zip(self.text_thread_store.clone())
+            {
                 let active_thread = static_active_thread(
                     weak_handle,
                     project,
                     language_registry,
                     thread_store,
+                    text_thread_store,
                     window,
                     cx,
                 );
@@ -630,15 +640,11 @@ impl ComponentPreview {
 
         // Check if the component's scope is Agent
         if scope == ComponentScope::Agent {
-            if let (Some(thread_store), Some(active_thread)) = (
-                self.thread_store.as_ref().map(|ts| ts.downgrade()),
-                self.active_thread.clone(),
-            ) {
+            if let Some(active_thread) = self.active_thread.clone() {
                 if let Some(element) = agent::get_agent_preview(
                     &component.id(),
                     self.workspace.clone(),
                     active_thread,
-                    thread_store,
                     window,
                     cx,
                 ) {
@@ -693,7 +699,6 @@ impl ComponentPreview {
                 .child(ComponentPreviewPage::new(
                     component.clone(),
                     self.workspace.clone(),
-                    self.thread_store.as_ref().map(|ts| ts.downgrade()),
                     self.active_thread.clone(),
                 ))
                 .into_any_element()
@@ -707,38 +712,22 @@ impl ComponentPreview {
         }
     }
 
-    fn render_active_thread(
-        &self,
-        window: &mut Window,
-        cx: &mut Context<Self>,
-    ) -> impl IntoElement {
+    fn render_active_thread(&self, cx: &mut Context<Self>) -> impl IntoElement {
         v_flex()
             .id("render-active-thread")
             .size_full()
             .child(
-                v_flex().children(self.agent_previews.iter().filter_map(|component_id| {
-                    if let (Some(thread_store), Some(active_thread)) = (
-                        self.thread_store.as_ref().map(|ts| ts.downgrade()),
-                        self.active_thread.clone(),
-                    ) {
-                        agent::get_agent_preview(
-                            component_id,
-                            self.workspace.clone(),
-                            active_thread,
-                            thread_store,
-                            window,
-                            cx,
-                        )
-                        .map(|element| div().child(element))
-                    } else {
-                        None
-                    }
-                })),
+                div()
+                    .mx_auto()
+                    .w(px(640.))
+                    .h_full()
+                    .py_8()
+                    .bg(cx.theme().colors().panel_background)
+                    .children(self.active_thread.clone().map(|thread| thread.clone()))
+                    .when_none(&self.active_thread.clone(), |this| {
+                        this.child("No active thread")
+                    }),
             )
-            .children(self.active_thread.clone().map(|thread| thread.clone()))
-            .when_none(&self.active_thread.clone(), |this| {
-                this.child("No active thread")
-            })
             .into_any_element()
     }
 
@@ -852,7 +841,7 @@ impl Render for ComponentPreview {
                             .render_component_page(&id, window, cx)
                             .into_any_element(),
                         PreviewPage::ActiveThread => {
-                            self.render_active_thread(window, cx).into_any_element()
+                            self.render_active_thread(cx).into_any_element()
                         }
                     }),
             )
@@ -1058,7 +1047,6 @@ pub struct ComponentPreviewPage {
     // languages: Arc<LanguageRegistry>,
     component: ComponentMetadata,
     workspace: WeakEntity<Workspace>,
-    thread_store: Option<WeakEntity<ThreadStore>>,
     active_thread: Option<Entity<ActiveThread>>,
 }
 
@@ -1066,7 +1054,6 @@ impl ComponentPreviewPage {
     pub fn new(
         component: ComponentMetadata,
         workspace: WeakEntity<Workspace>,
-        thread_store: Option<WeakEntity<ThreadStore>>,
         active_thread: Option<Entity<ActiveThread>>,
         // languages: Arc<LanguageRegistry>
     ) -> Self {
@@ -1074,7 +1061,6 @@ impl ComponentPreviewPage {
             // languages,
             component,
             workspace,
-            thread_store,
             active_thread,
         }
     }
@@ -1107,14 +1093,11 @@ impl ComponentPreviewPage {
 
     fn render_preview(&self, window: &mut Window, cx: &mut App) -> impl IntoElement {
         // Try to get agent preview first if we have an active thread
-        let maybe_agent_preview = if let (Some(thread_store), Some(active_thread)) =
-            (self.thread_store.as_ref(), self.active_thread.as_ref())
-        {
+        let maybe_agent_preview = if let Some(active_thread) = self.active_thread.as_ref() {
             agent::get_agent_preview(
                 &self.component.id(),
                 self.workspace.clone(),
                 active_thread.clone(),
-                thread_store.clone(),
                 window,
                 cx,
             )

crates/component_preview/src/preview_support/active_thread.rs

@@ -2,31 +2,47 @@ use languages::LanguageRegistry;
 use project::Project;
 use std::sync::Arc;
 
-use agent::{ActiveThread, ContextStore, MessageSegment, ThreadStore};
+use agent::{ActiveThread, ContextStore, MessageSegment, TextThreadStore, ThreadStore};
+use anyhow::{Result, anyhow};
 use assistant_tool::ToolWorkingSet;
 use gpui::{AppContext, AsyncApp, Entity, Task, WeakEntity};
 use prompt_store::PromptBuilder;
 use ui::{App, Window};
 use workspace::Workspace;
 
-pub async fn load_preview_thread_store(
+pub fn load_preview_thread_store(
     workspace: WeakEntity<Workspace>,
     project: Entity<Project>,
     cx: &mut AsyncApp,
-) -> Task<anyhow::Result<Entity<ThreadStore>>> {
-    cx.spawn(async move |cx| {
-        workspace
-            .update(cx, |_, cx| {
-                ThreadStore::load(
-                    project.clone(),
-                    cx.new(|_| ToolWorkingSet::default()),
-                    None,
-                    Arc::new(PromptBuilder::new(None).unwrap()),
-                    cx,
-                )
-            })?
-            .await
-    })
+) -> Task<Result<Entity<ThreadStore>>> {
+    workspace
+        .update(cx, |_, cx| {
+            ThreadStore::load(
+                project.clone(),
+                cx.new(|_| ToolWorkingSet::default()),
+                None,
+                Arc::new(PromptBuilder::new(None).unwrap()),
+                cx,
+            )
+        })
+        .unwrap_or(Task::ready(Err(anyhow!("workspace dropped"))))
+}
+
+pub fn load_preview_text_thread_store(
+    workspace: WeakEntity<Workspace>,
+    project: Entity<Project>,
+    cx: &mut AsyncApp,
+) -> Task<Result<Entity<TextThreadStore>>> {
+    workspace
+        .update(cx, |_, cx| {
+            TextThreadStore::new(
+                project.clone(),
+                Arc::new(PromptBuilder::new(None).unwrap()),
+                Default::default(),
+                cx,
+            )
+        })
+        .unwrap_or(Task::ready(Err(anyhow!("workspace dropped"))))
 }
 
 pub fn static_active_thread(
@@ -34,6 +50,7 @@ pub fn static_active_thread(
     project: Entity<Project>,
     language_registry: Arc<LanguageRegistry>,
     thread_store: Entity<ThreadStore>,
+    text_thread_store: Entity<TextThreadStore>,
     window: &mut Window,
     cx: &mut App,
 ) -> Entity<ActiveThread> {
@@ -59,6 +76,7 @@ pub fn static_active_thread(
         ActiveThread::new(
             thread,
             thread_store,
+            text_thread_store,
             context_store,
             language_registry,
             workspace.clone(),

crates/context_server/Cargo.toml

@@ -13,28 +13,17 @@ path = "src/context_server.rs"
 
 [dependencies]
 anyhow.workspace = true
-assistant_tool.workspace = true
 async-trait.workspace = true
 collections.workspace = true
-command_palette_hooks.workspace = true
-context_server_settings.workspace = true
-extension.workspace = true
 futures.workspace = true
 gpui.workspace = true
-icons.workspace = true
-language_model.workspace = true
 log.workspace = true
 parking_lot.workspace = true
 postage.workspace = true
-project.workspace = true
+schemars.workspace = true
 serde.workspace = true
 serde_json.workspace = true
-settings.workspace = true
 smol.workspace = true
 url = { workspace = true, features = ["serde"] }
 util.workspace = true
 workspace-hack.workspace = true
-
-[dev-dependencies]
-gpui = { workspace = true, features = ["test-support"] }
-project = { workspace = true, features = ["test-support"] }

crates/context_server/src/client.rs

@@ -40,7 +40,7 @@ pub enum RequestId {
     Str(String),
 }
 
-pub struct Client {
+pub(crate) struct Client {
     server_id: ContextServerId,
     next_id: AtomicI32,
     outbound_tx: channel::Sender<String>,
@@ -59,7 +59,7 @@ pub struct Client {
 
 #[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
 #[repr(transparent)]
-pub struct ContextServerId(pub Arc<str>);
+pub(crate) struct ContextServerId(pub Arc<str>);
 
 fn is_null_value<T: Serialize>(value: &T) -> bool {
     if let Ok(Value::Null) = serde_json::to_value(value) {
@@ -367,6 +367,7 @@ impl Client {
         Ok(())
     }
 
+    #[allow(unused)]
     pub fn on_notification<F>(&self, method: &'static str, f: F)
     where
         F: 'static + Send + FnMut(Value, AsyncApp),
@@ -375,14 +376,6 @@ impl Client {
             .lock()
             .insert(method, Box::new(f));
     }
-
-    pub fn name(&self) -> &str {
-        &self.name
-    }
-
-    pub fn server_id(&self) -> ContextServerId {
-        self.server_id.clone()
-    }
 }
 
 impl fmt::Display for ContextServerId {

crates/context_server/src/context_server.rs

@@ -1,30 +1,117 @@
 pub mod client;
-mod context_server_tool;
-mod extension_context_server;
-pub mod manager;
 pub mod protocol;
-mod registry;
-mod transport;
+pub mod transport;
 pub mod types;
 
-use command_palette_hooks::CommandPaletteFilter;
-pub use context_server_settings::{ContextServerSettings, ServerCommand, ServerConfig};
-use gpui::{App, actions};
+use std::fmt::Display;
+use std::path::Path;
+use std::sync::Arc;
 
-pub use crate::context_server_tool::ContextServerTool;
-pub use crate::registry::ContextServerDescriptorRegistry;
+use anyhow::Result;
+use client::Client;
+use collections::HashMap;
+use gpui::AsyncApp;
+use parking_lot::RwLock;
+use schemars::JsonSchema;
+use serde::{Deserialize, Serialize};
 
-actions!(context_servers, [Restart]);
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct ContextServerId(pub Arc<str>);
 
-/// The namespace for the context servers actions.
-pub const CONTEXT_SERVERS_NAMESPACE: &'static str = "context_servers";
-
-pub fn init(cx: &mut App) {
-    context_server_settings::init(cx);
-    ContextServerDescriptorRegistry::default_global(cx);
-    extension_context_server::init(cx);
-
-    CommandPaletteFilter::update_global(cx, |filter, _cx| {
-        filter.hide_namespace(CONTEXT_SERVERS_NAMESPACE);
-    });
+impl Display for ContextServerId {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}", self.0)
+    }
+}
+
+#[derive(Deserialize, Serialize, Clone, PartialEq, Eq, JsonSchema, Debug)]
+pub struct ContextServerCommand {
+    pub path: String,
+    pub args: Vec<String>,
+    pub env: Option<HashMap<String, String>>,
+}
+
+enum ContextServerTransport {
+    Stdio(ContextServerCommand),
+    Custom(Arc<dyn crate::transport::Transport>),
+}
+
+pub struct ContextServer {
+    id: ContextServerId,
+    client: RwLock<Option<Arc<crate::protocol::InitializedContextServerProtocol>>>,
+    configuration: ContextServerTransport,
+}
+
+impl ContextServer {
+    pub fn stdio(id: ContextServerId, command: ContextServerCommand) -> Self {
+        Self {
+            id,
+            client: RwLock::new(None),
+            configuration: ContextServerTransport::Stdio(command),
+        }
+    }
+
+    pub fn new(id: ContextServerId, transport: Arc<dyn crate::transport::Transport>) -> Self {
+        Self {
+            id,
+            client: RwLock::new(None),
+            configuration: ContextServerTransport::Custom(transport),
+        }
+    }
+
+    pub fn id(&self) -> ContextServerId {
+        self.id.clone()
+    }
+
+    pub fn client(&self) -> Option<Arc<crate::protocol::InitializedContextServerProtocol>> {
+        self.client.read().clone()
+    }
+
+    pub async fn start(self: Arc<Self>, cx: &AsyncApp) -> Result<()> {
+        let client = match &self.configuration {
+            ContextServerTransport::Stdio(command) => Client::stdio(
+                client::ContextServerId(self.id.0.clone()),
+                client::ModelContextServerBinary {
+                    executable: Path::new(&command.path).to_path_buf(),
+                    args: command.args.clone(),
+                    env: command.env.clone(),
+                },
+                cx.clone(),
+            )?,
+            ContextServerTransport::Custom(transport) => Client::new(
+                client::ContextServerId(self.id.0.clone()),
+                self.id().0,
+                transport.clone(),
+                cx.clone(),
+            )?,
+        };
+        self.initialize(client).await
+    }
+
+    async fn initialize(&self, client: Client) -> Result<()> {
+        log::info!("starting context server {}", self.id);
+        let protocol = crate::protocol::ModelContextProtocol::new(client);
+        let client_info = types::Implementation {
+            name: "Zed".to_string(),
+            version: env!("CARGO_PKG_VERSION").to_string(),
+        };
+        let initialized_protocol = protocol.initialize(client_info).await?;
+
+        log::debug!(
+            "context server {} initialized: {:?}",
+            self.id,
+            initialized_protocol.initialize,
+        );
+
+        *self.client.write() = Some(Arc::new(initialized_protocol));
+        Ok(())
+    }
+
+    pub fn stop(&self) -> Result<()> {
+        let mut client = self.client.write();
+        if let Some(protocol) = client.take() {
+            drop(protocol);
+        }
+        Ok(())
+    }
 }

crates/context_server/src/manager.rs

@@ -1,584 +0,0 @@
-//! This module implements a context server management system for Zed.
-//!
-//! It provides functionality to:
-//! - Define and load context server settings
-//! - Manage individual context servers (start, stop, restart)
-//! - Maintain a global manager for all context servers
-//!
-//! Key components:
-//! - `ContextServerSettings`: Defines the structure for server configurations
-//! - `ContextServer`: Represents an individual context server
-//! - `ContextServerManager`: Manages multiple context servers
-//! - `GlobalContextServerManager`: Provides global access to the ContextServerManager
-//!
-//! The module also includes initialization logic to set up the context server system
-//! and react to changes in settings.
-
-use std::path::Path;
-use std::sync::Arc;
-
-use anyhow::{Result, bail};
-use collections::HashMap;
-use command_palette_hooks::CommandPaletteFilter;
-use gpui::{AsyncApp, Context, Entity, EventEmitter, Subscription, Task, WeakEntity};
-use log;
-use parking_lot::RwLock;
-use project::Project;
-use settings::{Settings, SettingsStore};
-use util::ResultExt as _;
-
-use crate::transport::Transport;
-use crate::{ContextServerSettings, ServerConfig};
-
-use crate::{
-    CONTEXT_SERVERS_NAMESPACE, ContextServerDescriptorRegistry,
-    client::{self, Client},
-    types,
-};
-
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub enum ContextServerStatus {
-    Starting,
-    Running,
-    Error(Arc<str>),
-}
-
-pub struct ContextServer {
-    pub id: Arc<str>,
-    pub config: Arc<ServerConfig>,
-    pub client: RwLock<Option<Arc<crate::protocol::InitializedContextServerProtocol>>>,
-    transport: Option<Arc<dyn Transport>>,
-}
-
-impl ContextServer {
-    pub fn new(id: Arc<str>, config: Arc<ServerConfig>) -> Self {
-        Self {
-            id,
-            config,
-            client: RwLock::new(None),
-            transport: None,
-        }
-    }
-
-    #[cfg(any(test, feature = "test-support"))]
-    pub fn test(id: Arc<str>, transport: Arc<dyn crate::transport::Transport>) -> Arc<Self> {
-        Arc::new(Self {
-            id,
-            client: RwLock::new(None),
-            config: Arc::new(ServerConfig::default()),
-            transport: Some(transport),
-        })
-    }
-
-    pub fn id(&self) -> Arc<str> {
-        self.id.clone()
-    }
-
-    pub fn config(&self) -> Arc<ServerConfig> {
-        self.config.clone()
-    }
-
-    pub fn client(&self) -> Option<Arc<crate::protocol::InitializedContextServerProtocol>> {
-        self.client.read().clone()
-    }
-
-    pub async fn start(self: Arc<Self>, cx: &AsyncApp) -> Result<()> {
-        let client = if let Some(transport) = self.transport.clone() {
-            Client::new(
-                client::ContextServerId(self.id.clone()),
-                self.id(),
-                transport,
-                cx.clone(),
-            )?
-        } else {
-            let Some(command) = &self.config.command else {
-                bail!("no command specified for server {}", self.id);
-            };
-            Client::stdio(
-                client::ContextServerId(self.id.clone()),
-                client::ModelContextServerBinary {
-                    executable: Path::new(&command.path).to_path_buf(),
-                    args: command.args.clone(),
-                    env: command.env.clone(),
-                },
-                cx.clone(),
-            )?
-        };
-        self.initialize(client).await
-    }
-
-    async fn initialize(&self, client: Client) -> Result<()> {
-        log::info!("starting context server {}", self.id);
-        let protocol = crate::protocol::ModelContextProtocol::new(client);
-        let client_info = types::Implementation {
-            name: "Zed".to_string(),
-            version: env!("CARGO_PKG_VERSION").to_string(),
-        };
-        let initialized_protocol = protocol.initialize(client_info).await?;
-
-        log::debug!(
-            "context server {} initialized: {:?}",
-            self.id,
-            initialized_protocol.initialize,
-        );
-
-        *self.client.write() = Some(Arc::new(initialized_protocol));
-        Ok(())
-    }
-
-    pub fn stop(&self) -> Result<()> {
-        let mut client = self.client.write();
-        if let Some(protocol) = client.take() {
-            drop(protocol);
-        }
-        Ok(())
-    }
-}
-
-pub struct ContextServerManager {
-    servers: HashMap<Arc<str>, Arc<ContextServer>>,
-    server_status: HashMap<Arc<str>, ContextServerStatus>,
-    project: Entity<Project>,
-    registry: Entity<ContextServerDescriptorRegistry>,
-    update_servers_task: Option<Task<Result<()>>>,
-    needs_server_update: bool,
-    _subscriptions: Vec<Subscription>,
-}
-
-pub enum Event {
-    ServerStatusChanged {
-        server_id: Arc<str>,
-        status: Option<ContextServerStatus>,
-    },
-}
-
-impl EventEmitter<Event> for ContextServerManager {}
-
-impl ContextServerManager {
-    pub fn new(
-        registry: Entity<ContextServerDescriptorRegistry>,
-        project: Entity<Project>,
-        cx: &mut Context<Self>,
-    ) -> Self {
-        let mut this = Self {
-            _subscriptions: vec![
-                cx.observe(&registry, |this, _registry, cx| {
-                    this.available_context_servers_changed(cx);
-                }),
-                cx.observe_global::<SettingsStore>(|this, cx| {
-                    this.available_context_servers_changed(cx);
-                }),
-            ],
-            project,
-            registry,
-            needs_server_update: false,
-            servers: HashMap::default(),
-            server_status: HashMap::default(),
-            update_servers_task: None,
-        };
-        this.available_context_servers_changed(cx);
-        this
-    }
-
-    fn available_context_servers_changed(&mut self, cx: &mut Context<Self>) {
-        if self.update_servers_task.is_some() {
-            self.needs_server_update = true;
-        } else {
-            self.update_servers_task = Some(cx.spawn(async move |this, cx| {
-                this.update(cx, |this, _| {
-                    this.needs_server_update = false;
-                })?;
-
-                if let Err(err) = Self::maintain_servers(this.clone(), cx).await {
-                    log::error!("Error maintaining context servers: {}", err);
-                }
-
-                this.update(cx, |this, cx| {
-                    let has_any_context_servers = !this.running_servers().is_empty();
-                    if has_any_context_servers {
-                        CommandPaletteFilter::update_global(cx, |filter, _cx| {
-                            filter.show_namespace(CONTEXT_SERVERS_NAMESPACE);
-                        });
-                    }
-
-                    this.update_servers_task.take();
-                    if this.needs_server_update {
-                        this.available_context_servers_changed(cx);
-                    }
-                })?;
-
-                Ok(())
-            }));
-        }
-    }
-
-    pub fn get_server(&self, id: &str) -> Option<Arc<ContextServer>> {
-        self.servers
-            .get(id)
-            .filter(|server| server.client().is_some())
-            .cloned()
-    }
-
-    pub fn status_for_server(&self, id: &str) -> Option<ContextServerStatus> {
-        self.server_status.get(id).cloned()
-    }
-
-    pub fn start_server(
-        &self,
-        server: Arc<ContextServer>,
-        cx: &mut Context<Self>,
-    ) -> Task<Result<()>> {
-        cx.spawn(async move |this, cx| Self::run_server(this, server, cx).await)
-    }
-
-    pub fn stop_server(
-        &mut self,
-        server: Arc<ContextServer>,
-        cx: &mut Context<Self>,
-    ) -> Result<()> {
-        server.stop().log_err();
-        self.update_server_status(server.id().clone(), None, cx);
-        Ok(())
-    }
-
-    pub fn restart_server(&mut self, id: &Arc<str>, cx: &mut Context<Self>) -> Task<Result<()>> {
-        let id = id.clone();
-        cx.spawn(async move |this, cx| {
-            if let Some(server) = this.update(cx, |this, _cx| this.servers.remove(&id))? {
-                let config = server.config();
-
-                this.update(cx, |this, cx| this.stop_server(server, cx))??;
-                let new_server = Arc::new(ContextServer::new(id.clone(), config));
-                Self::run_server(this, new_server, cx).await?;
-            }
-            Ok(())
-        })
-    }
-
-    pub fn all_servers(&self) -> Vec<Arc<ContextServer>> {
-        self.servers.values().cloned().collect()
-    }
-
-    pub fn running_servers(&self) -> Vec<Arc<ContextServer>> {
-        self.servers
-            .values()
-            .filter(|server| server.client().is_some())
-            .cloned()
-            .collect()
-    }
-
-    async fn maintain_servers(this: WeakEntity<Self>, cx: &mut AsyncApp) -> Result<()> {
-        let mut desired_servers = HashMap::default();
-
-        let (registry, project) = this.update(cx, |this, cx| {
-            let location = this
-                .project
-                .read(cx)
-                .visible_worktrees(cx)
-                .next()
-                .map(|worktree| settings::SettingsLocation {
-                    worktree_id: worktree.read(cx).id(),
-                    path: Path::new(""),
-                });
-            let settings = ContextServerSettings::get(location, cx);
-            desired_servers = settings.context_servers.clone();
-
-            (this.registry.clone(), this.project.clone())
-        })?;
-
-        for (id, descriptor) in
-            registry.read_with(cx, |registry, _| registry.context_server_descriptors())?
-        {
-            let config = desired_servers.entry(id).or_default();
-            if config.command.is_none() {
-                if let Some(extension_command) =
-                    descriptor.command(project.clone(), &cx).await.log_err()
-                {
-                    config.command = Some(extension_command);
-                }
-            }
-        }
-
-        let mut servers_to_start = HashMap::default();
-        let mut servers_to_stop = HashMap::default();
-
-        this.update(cx, |this, _cx| {
-            this.servers.retain(|id, server| {
-                if desired_servers.contains_key(id) {
-                    true
-                } else {
-                    servers_to_stop.insert(id.clone(), server.clone());
-                    false
-                }
-            });
-
-            for (id, config) in desired_servers {
-                let existing_config = this.servers.get(&id).map(|server| server.config());
-                if existing_config.as_deref() != Some(&config) {
-                    let server = Arc::new(ContextServer::new(id.clone(), Arc::new(config)));
-                    servers_to_start.insert(id.clone(), server.clone());
-                    if let Some(old_server) = this.servers.remove(&id) {
-                        servers_to_stop.insert(id, old_server);
-                    }
-                }
-            }
-        })?;
-
-        for (_, server) in servers_to_stop {
-            this.update(cx, |this, cx| this.stop_server(server, cx).ok())?;
-        }
-
-        for (_, server) in servers_to_start {
-            Self::run_server(this.clone(), server, cx).await.ok();
-        }
-
-        Ok(())
-    }
-
-    async fn run_server(
-        this: WeakEntity<Self>,
-        server: Arc<ContextServer>,
-        cx: &mut AsyncApp,
-    ) -> Result<()> {
-        let id = server.id();
-
-        this.update(cx, |this, cx| {
-            this.update_server_status(id.clone(), Some(ContextServerStatus::Starting), cx);
-            this.servers.insert(id.clone(), server.clone());
-        })?;
-
-        match server.start(&cx).await {
-            Ok(_) => {
-                log::debug!("`{}` context server started", id);
-                this.update(cx, |this, cx| {
-                    this.update_server_status(id.clone(), Some(ContextServerStatus::Running), cx)
-                })?;
-                Ok(())
-            }
-            Err(err) => {
-                log::error!("`{}` context server failed to start\n{}", id, err);
-                this.update(cx, |this, cx| {
-                    this.update_server_status(
-                        id.clone(),
-                        Some(ContextServerStatus::Error(err.to_string().into())),
-                        cx,
-                    )
-                })?;
-                Err(err)
-            }
-        }
-    }
-
-    fn update_server_status(
-        &mut self,
-        id: Arc<str>,
-        status: Option<ContextServerStatus>,
-        cx: &mut Context<Self>,
-    ) {
-        if let Some(status) = status.clone() {
-            self.server_status.insert(id.clone(), status);
-        } else {
-            self.server_status.remove(&id);
-        }
-
-        cx.emit(Event::ServerStatusChanged {
-            server_id: id,
-            status,
-        });
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use std::pin::Pin;
-
-    use crate::types::{
-        Implementation, InitializeResponse, ProtocolVersion, RequestType, ServerCapabilities,
-    };
-
-    use super::*;
-    use futures::{Stream, StreamExt as _, lock::Mutex};
-    use gpui::{AppContext as _, TestAppContext};
-    use project::FakeFs;
-    use serde_json::json;
-    use util::path;
-
-    #[gpui::test]
-    async fn test_context_server_status(cx: &mut TestAppContext) {
-        init_test_settings(cx);
-        let project = create_test_project(cx, json!({"code.rs": ""})).await;
-
-        let registry = cx.new(|_| ContextServerDescriptorRegistry::new());
-        let manager = cx.new(|cx| ContextServerManager::new(registry.clone(), project, cx));
-
-        let server_1_id: Arc<str> = "mcp-1".into();
-        let server_2_id: Arc<str> = "mcp-2".into();
-
-        let transport_1 = Arc::new(FakeTransport::new(
-            |_, request_type, _| match request_type {
-                Some(RequestType::Initialize) => {
-                    Some(create_initialize_response("mcp-1".to_string()))
-                }
-                _ => None,
-            },
-        ));
-
-        let transport_2 = Arc::new(FakeTransport::new(
-            |_, request_type, _| match request_type {
-                Some(RequestType::Initialize) => {
-                    Some(create_initialize_response("mcp-2".to_string()))
-                }
-                _ => None,
-            },
-        ));
-
-        let server_1 = ContextServer::test(server_1_id.clone(), transport_1.clone());
-        let server_2 = ContextServer::test(server_2_id.clone(), transport_2.clone());
-
-        manager
-            .update(cx, |manager, cx| manager.start_server(server_1, cx))
-            .await
-            .unwrap();
-
-        cx.update(|cx| {
-            assert_eq!(
-                manager.read(cx).status_for_server(&server_1_id),
-                Some(ContextServerStatus::Running)
-            );
-            assert_eq!(manager.read(cx).status_for_server(&server_2_id), None);
-        });
-
-        manager
-            .update(cx, |manager, cx| manager.start_server(server_2.clone(), cx))
-            .await
-            .unwrap();
-
-        cx.update(|cx| {
-            assert_eq!(
-                manager.read(cx).status_for_server(&server_1_id),
-                Some(ContextServerStatus::Running)
-            );
-            assert_eq!(
-                manager.read(cx).status_for_server(&server_2_id),
-                Some(ContextServerStatus::Running)
-            );
-        });
-
-        manager
-            .update(cx, |manager, cx| manager.stop_server(server_2, cx))
-            .unwrap();
-
-        cx.update(|cx| {
-            assert_eq!(
-                manager.read(cx).status_for_server(&server_1_id),
-                Some(ContextServerStatus::Running)
-            );
-            assert_eq!(manager.read(cx).status_for_server(&server_2_id), None);
-        });
-    }
-
-    async fn create_test_project(
-        cx: &mut TestAppContext,
-        files: serde_json::Value,
-    ) -> Entity<Project> {
-        let fs = FakeFs::new(cx.executor());
-        fs.insert_tree(path!("/test"), files).await;
-        Project::test(fs, [path!("/test").as_ref()], cx).await
-    }
-
-    fn init_test_settings(cx: &mut TestAppContext) {
-        cx.update(|cx| {
-            let settings_store = SettingsStore::test(cx);
-            cx.set_global(settings_store);
-            Project::init_settings(cx);
-            ContextServerSettings::register(cx);
-        });
-    }
-
-    fn create_initialize_response(server_name: String) -> serde_json::Value {
-        serde_json::to_value(&InitializeResponse {
-            protocol_version: ProtocolVersion(types::LATEST_PROTOCOL_VERSION.to_string()),
-            server_info: Implementation {
-                name: server_name,
-                version: "1.0.0".to_string(),
-            },
-            capabilities: ServerCapabilities::default(),
-            meta: None,
-        })
-        .unwrap()
-    }
-
-    struct FakeTransport {
-        on_request: Arc<
-            dyn Fn(u64, Option<RequestType>, serde_json::Value) -> Option<serde_json::Value>
-                + Send
-                + Sync,
-        >,
-        tx: futures::channel::mpsc::UnboundedSender<String>,
-        rx: Arc<Mutex<futures::channel::mpsc::UnboundedReceiver<String>>>,
-    }
-
-    impl FakeTransport {
-        fn new(
-            on_request: impl Fn(
-                u64,
-                Option<RequestType>,
-                serde_json::Value,
-            ) -> Option<serde_json::Value>
-            + 'static
-            + Send
-            + Sync,
-        ) -> Self {
-            let (tx, rx) = futures::channel::mpsc::unbounded();
-            Self {
-                on_request: Arc::new(on_request),
-                tx,
-                rx: Arc::new(Mutex::new(rx)),
-            }
-        }
-    }
-
-    #[async_trait::async_trait]
-    impl Transport for FakeTransport {
-        async fn send(&self, message: String) -> Result<()> {
-            if let Ok(msg) = serde_json::from_str::<serde_json::Value>(&message) {
-                let id = msg.get("id").and_then(|id| id.as_u64()).unwrap_or(0);
-
-                if let Some(method) = msg.get("method") {
-                    let request_type = method
-                        .as_str()
-                        .and_then(|method| types::RequestType::try_from(method).ok());
-                    if let Some(payload) = (self.on_request.as_ref())(id, request_type, msg) {
-                        let response = serde_json::json!({
-                            "jsonrpc": "2.0",
-                            "id": id,
-                            "result": payload
-                        });
-
-                        self.tx
-                            .unbounded_send(response.to_string())
-                            .map_err(|e| anyhow::anyhow!("Failed to send message: {}", e))?;
-                    }
-                }
-            }
-            Ok(())
-        }
-
-        fn receive(&self) -> Pin<Box<dyn Stream<Item = String> + Send>> {
-            let rx = self.rx.clone();
-            Box::pin(futures::stream::unfold(rx, |rx| async move {
-                let mut rx_guard = rx.lock().await;
-                if let Some(message) = rx_guard.next().await {
-                    drop(rx_guard);
-                    Some((message, rx))
-                } else {
-                    None
-                }
-            }))
-        }
-
-        fn receive_err(&self) -> Pin<Box<dyn Stream<Item = String> + Send>> {
-            Box::pin(futures::stream::empty())
-        }
-    }
-}

crates/context_server/src/protocol.rs

@@ -16,7 +16,7 @@ pub struct ModelContextProtocol {
 }
 
 impl ModelContextProtocol {
-    pub fn new(inner: Client) -> Self {
+    pub(crate) fn new(inner: Client) -> Self {
         Self { inner }
     }
 

crates/context_server/src/types.rs

@@ -610,7 +610,7 @@ pub enum ToolResponseContent {
     Resource { resource: ResourceContents },
 }
 
-#[derive(Debug, Deserialize)]
+#[derive(Debug, Serialize, Deserialize)]
 #[serde(rename_all = "camelCase")]
 pub struct ListToolsResponse {
     pub tools: Vec<Tool>,

crates/context_server_settings/Cargo.toml

@@ -1,22 +0,0 @@
-[package]
-name = "context_server_settings"
-version = "0.1.0"
-edition.workspace = true
-publish.workspace = true
-license = "GPL-3.0-or-later"
-
-[lints]
-workspace = true
-
-[lib]
-path = "src/context_server_settings.rs"
-
-[dependencies]
-anyhow.workspace = true
-collections.workspace = true
-gpui.workspace = true
-schemars.workspace = true
-serde.workspace = true
-serde_json.workspace = true
-settings.workspace = true
-workspace-hack.workspace = true

crates/context_server_settings/LICENSE-GPL

@@ -1 +0,0 @@
-../../LICENSE-GPL

crates/context_server_settings/src/context_server_settings.rs

@@ -1,99 +0,0 @@
-use std::sync::Arc;
-
-use collections::HashMap;
-use gpui::App;
-use schemars::JsonSchema;
-use schemars::r#gen::SchemaGenerator;
-use schemars::schema::{InstanceType, Schema, SchemaObject};
-use serde::{Deserialize, Serialize};
-use settings::{Settings, SettingsSources};
-
-pub fn init(cx: &mut App) {
-    ContextServerSettings::register(cx);
-}
-
-#[derive(Deserialize, Serialize, Clone, PartialEq, Eq, JsonSchema, Debug, Default)]
-pub struct ServerConfig {
-    /// The command to run this context server.
-    ///
-    /// This will override the command set by an extension.
-    pub command: Option<ServerCommand>,
-    /// The settings for this context server.
-    ///
-    /// Consult the documentation for the context server to see what settings
-    /// are supported.
-    #[schemars(schema_with = "server_config_settings_json_schema")]
-    pub settings: Option<serde_json::Value>,
-}
-
-fn server_config_settings_json_schema(_generator: &mut SchemaGenerator) -> Schema {
-    Schema::Object(SchemaObject {
-        instance_type: Some(InstanceType::Object.into()),
-        ..Default::default()
-    })
-}
-
-#[derive(Deserialize, Serialize, Clone, PartialEq, Eq, JsonSchema, Debug)]
-pub struct ServerCommand {
-    pub path: String,
-    pub args: Vec<String>,
-    pub env: Option<HashMap<String, String>>,
-}
-
-#[derive(Deserialize, Serialize, Default, Clone, PartialEq, Eq, JsonSchema, Debug)]
-pub struct ContextServerSettings {
-    /// Settings for context servers used in the Assistant.
-    #[serde(default)]
-    pub context_servers: HashMap<Arc<str>, ServerConfig>,
-}
-
-impl Settings for ContextServerSettings {
-    const KEY: Option<&'static str> = None;
-
-    type FileContent = Self;
-
-    fn load(
-        sources: SettingsSources<Self::FileContent>,
-        _: &mut gpui::App,
-    ) -> anyhow::Result<Self> {
-        sources.json_merge()
-    }
-
-    fn import_from_vscode(vscode: &settings::VsCodeSettings, current: &mut Self::FileContent) {
-        // we don't handle "inputs" replacement strings, see perplexity-key in this example:
-        // https://code.visualstudio.com/docs/copilot/chat/mcp-servers#_configuration-example
-        #[derive(Deserialize)]
-        struct VsCodeServerCommand {
-            command: String,
-            args: Option<Vec<String>>,
-            env: Option<HashMap<String, String>>,
-            // note: we don't support envFile and type
-        }
-        impl From<VsCodeServerCommand> for ServerCommand {
-            fn from(cmd: VsCodeServerCommand) -> Self {
-                Self {
-                    path: cmd.command,
-                    args: cmd.args.unwrap_or_default(),
-                    env: cmd.env,
-                }
-            }
-        }
-        if let Some(mcp) = vscode.read_value("mcp").and_then(|v| v.as_object()) {
-            current
-                .context_servers
-                .extend(mcp.iter().filter_map(|(k, v)| {
-                    Some((
-                        k.clone().into(),
-                        ServerConfig {
-                            command: Some(
-                                serde_json::from_value::<VsCodeServerCommand>(v.clone())
-                                    .ok()?
-                                    .into(),
-                            ),
-                            settings: None,
-                        },
-                    ))
-                }));
-        }
-    }
-}

crates/debugger_ui/src/session.rs

@@ -7,11 +7,11 @@ use gpui::{App, Entity, EventEmitter, FocusHandle, Focusable, Subscription, Task
 use project::Project;
 use project::debugger::session::Session;
 use project::worktree_store::WorktreeStore;
-use rpc::proto::{self, PeerId};
+use rpc::proto;
 use running::RunningState;
 use ui::{Indicator, prelude::*};
 use workspace::{
-    FollowableItem, ViewId, Workspace,
+    CollaboratorId, FollowableItem, ViewId, Workspace,
     item::{self, Item},
 };
 
@@ -189,9 +189,9 @@ impl FollowableItem for DebugSession {
         Task::ready(Ok(()))
     }
 
-    fn set_leader_peer_id(
+    fn set_leader_id(
         &mut self,
-        _leader_peer_id: Option<PeerId>,
+        _leader_id: Option<CollaboratorId>,
         _window: &mut Window,
         _cx: &mut Context<Self>,
     ) {

crates/debugger_ui/src/session/running.rs

@@ -749,7 +749,15 @@ impl RunningState {
             let terminal = terminal_task.await?;
 
             let terminal_view = cx.new_window_entity(|window, cx| {
-                TerminalView::new(terminal.clone(), workspace, None, weak_project, window, cx)
+                TerminalView::new(
+                    terminal.clone(),
+                    workspace,
+                    None,
+                    weak_project,
+                    false,
+                    window,
+                    cx,
+                )
             })?;
 
             running.update_in(cx, |running, window, cx| {

crates/editor/src/editor.rs

@@ -56,7 +56,7 @@ use anyhow::{Context as _, Result, anyhow};
 use blink_manager::BlinkManager;
 use buffer_diff::DiffHunkStatus;
 use client::{Collaborator, ParticipantIndex};
-use clock::ReplicaId;
+use clock::{AGENT_REPLICA_ID, ReplicaId};
 use collections::{BTreeMap, HashMap, HashSet, VecDeque};
 use convert_case::{Case, Casing};
 use display_map::*;
@@ -201,7 +201,7 @@ use ui::{
 };
 use util::{RangeExt, ResultExt, TryFutureExt, maybe, post_inc};
 use workspace::{
-    Item as WorkspaceItem, ItemId, ItemNavHistory, OpenInTerminal, OpenTerminal,
+    CollaboratorId, Item as WorkspaceItem, ItemId, ItemNavHistory, OpenInTerminal, OpenTerminal,
     RestoreOnStartupBehavior, SERIALIZATION_THROTTLE_TIME, SplitDirection, TabBarSettings, Toast,
     ViewId, Workspace, WorkspaceId, WorkspaceSettings,
     item::{ItemHandle, PreviewTabsSettings},
@@ -517,6 +517,7 @@ pub enum SoftWrap {
 #[derive(Clone)]
 pub struct EditorStyle {
     pub background: Hsla,
+    pub horizontal_padding: Pixels,
     pub local_player: PlayerColor,
     pub text: TextStyle,
     pub scrollbar_width: Pixels,
@@ -531,6 +532,7 @@ impl Default for EditorStyle {
     fn default() -> Self {
         Self {
             background: Hsla::default(),
+            horizontal_padding: Pixels::default(),
             local_player: PlayerColor::default(),
             text: TextStyle::default(),
             scrollbar_width: Pixels::default(),
@@ -914,7 +916,7 @@ pub struct Editor {
     input_enabled: bool,
     use_modal_editing: bool,
     read_only: bool,
-    leader_peer_id: Option<PeerId>,
+    leader_id: Option<CollaboratorId>,
     remote_id: Option<ViewId>,
     pub hover_state: HoverState,
     pending_mouse_down: Option<Rc<RefCell<Option<MouseDownEvent>>>>,
@@ -981,6 +983,8 @@ pub struct Editor {
     addons: HashMap<TypeId, Box<dyn Addon>>,
     registered_buffers: HashMap<BufferId, OpenLspBufferHandle>,
     load_diff_task: Option<Shared<Task<()>>>,
+    /// Whether we are temporarily displaying a diff other than git's
+    temporary_diff_override: bool,
     selection_mark_mode: bool,
     toggle_fold_multiple_buffers: Task<()>,
     _scroll_cursor_center_top_bottom_task: Task<()>,
@@ -1057,10 +1061,10 @@ pub struct RemoteSelection {
     pub replica_id: ReplicaId,
     pub selection: Selection<Anchor>,
     pub cursor_shape: CursorShape,
-    pub peer_id: PeerId,
+    pub collaborator_id: CollaboratorId,
     pub line_mode: bool,
-    pub participant_index: Option<ParticipantIndex>,
     pub user_name: Option<SharedString>,
+    pub color: PlayerColor,
 }
 
 #[derive(Clone, Debug)]
@@ -1626,7 +1630,8 @@ impl Editor {
         let mut load_uncommitted_diff = None;
         if let Some(project) = project.clone() {
             load_uncommitted_diff = Some(
-                get_uncommitted_diff_for_buffer(
+                update_uncommitted_diff_for_buffer(
+                    cx.entity(),
                     &project,
                     buffer.read(cx).all_buffers(),
                     buffer.clone(),
@@ -1720,7 +1725,7 @@ impl Editor {
             use_auto_surround: true,
             auto_replace_emoji_shortcode: false,
             jsx_tag_auto_close_enabled_in_any_buffer: false,
-            leader_peer_id: None,
+            leader_id: None,
             remote_id: None,
             hover_state: Default::default(),
             pending_mouse_down: None,
@@ -1802,6 +1807,7 @@ impl Editor {
             serialize_folds: Task::ready(()),
             text_style_refinement: None,
             load_diff_task: load_uncommitted_diff,
+            temporary_diff_override: false,
             mouse_cursor_hidden: false,
             hide_mouse_mode: EditorSettings::get_global(cx)
                 .hide_mouse
@@ -1941,7 +1947,7 @@ impl Editor {
             .is_some_and(|menu| menu.context_menu.focus_handle(cx).is_focused(window))
     }
 
-    fn key_context(&self, window: &Window, cx: &App) -> KeyContext {
+    pub fn key_context(&self, window: &Window, cx: &App) -> KeyContext {
         self.key_context_internal(self.has_active_inline_completion(), window, cx)
     }
 
@@ -2171,8 +2177,8 @@ impl Editor {
         });
     }
 
-    pub fn leader_peer_id(&self) -> Option<PeerId> {
-        self.leader_peer_id
+    pub fn leader_id(&self) -> Option<CollaboratorId> {
+        self.leader_id
     }
 
     pub fn buffer(&self) -> &Entity<MultiBuffer> {
@@ -2513,7 +2519,7 @@ impl Editor {
             }
         }
 
-        if self.focus_handle.is_focused(window) && self.leader_peer_id.is_none() {
+        if self.focus_handle.is_focused(window) && self.leader_id.is_none() {
             self.buffer.update(cx, |buffer, cx| {
                 buffer.set_active_selections(
                     &self.selections.disjoint_anchors(),
@@ -13649,7 +13655,7 @@ impl Editor {
         self.refresh_inline_completion(false, true, window, cx);
     }
 
-    fn go_to_next_hunk(&mut self, _: &GoToHunk, window: &mut Window, cx: &mut Context<Self>) {
+    pub fn go_to_next_hunk(&mut self, _: &GoToHunk, window: &mut Window, cx: &mut Context<Self>) {
         self.hide_mouse_cursor(&HideMouseCursorOrigin::MovementAction);
         let snapshot = self.snapshot(window, cx);
         let selection = self.selections.newest::<Point>(cx);
@@ -17820,7 +17826,8 @@ impl Editor {
                 let buffer_id = buffer.read(cx).remote_id();
                 if self.buffer.read(cx).diff_for(buffer_id).is_none() {
                     if let Some(project) = &self.project {
-                        get_uncommitted_diff_for_buffer(
+                        update_uncommitted_diff_for_buffer(
+                            cx.entity(),
                             project,
                             [buffer.clone()],
                             self.buffer.clone(),
@@ -17896,6 +17903,32 @@ impl Editor {
         };
     }
 
+    pub fn start_temporary_diff_override(&mut self) {
+        self.load_diff_task.take();
+        self.temporary_diff_override = true;
+    }
+
+    pub fn end_temporary_diff_override(&mut self, cx: &mut Context<Self>) {
+        self.temporary_diff_override = false;
+        self.set_render_diff_hunk_controls(Arc::new(render_diff_hunk_controls), cx);
+        self.buffer.update(cx, |buffer, cx| {
+            buffer.set_all_diff_hunks_collapsed(cx);
+        });
+
+        if let Some(project) = self.project.clone() {
+            self.load_diff_task = Some(
+                update_uncommitted_diff_for_buffer(
+                    cx.entity(),
+                    &project,
+                    self.buffer.read(cx).all_buffers(),
+                    self.buffer.clone(),
+                    cx,
+                )
+                .shared(),
+            );
+        }
+    }
+
     fn on_display_map_changed(
         &mut self,
         _: Entity<DisplayMap>,
@@ -18459,7 +18492,7 @@ impl Editor {
             self.show_cursor_names(window, cx);
             self.buffer.update(cx, |buffer, cx| {
                 buffer.finalize_last_transaction(cx);
-                if self.leader_peer_id.is_none() {
+                if self.leader_id.is_none() {
                     buffer.set_active_selections(
                         &self.selections.disjoint_anchors(),
                         self.selections.line_mode,
@@ -18875,7 +18908,8 @@ fn insert_extra_newline_tree_sitter(buffer: &MultiBufferSnapshot, range: Range<u
             .all(|c| c.is_whitespace() && c != '\n')
 }
 
-fn get_uncommitted_diff_for_buffer(
+fn update_uncommitted_diff_for_buffer(
+    editor: Entity<Editor>,
     project: &Entity<Project>,
     buffers: impl IntoIterator<Item = Entity<Buffer>>,
     buffer: Entity<MultiBuffer>,
@@ -18891,6 +18925,13 @@ fn get_uncommitted_diff_for_buffer(
     });
     cx.spawn(async move |cx| {
         let diffs = future::join_all(tasks).await;
+        if editor
+            .read_with(cx, |editor, _cx| editor.temporary_diff_override)
+            .unwrap_or(false)
+        {
+            return;
+        }
+
         buffer
             .update(cx, |buffer, cx| {
                 for diff in diffs.into_iter().flatten() {
@@ -19889,18 +19930,34 @@ impl EditorSnapshot {
         self.buffer_snapshot
             .selections_in_range(range, false)
             .filter_map(move |(replica_id, line_mode, cursor_shape, selection)| {
-                let collaborator = collaborators_by_replica_id.get(&replica_id)?;
-                let participant_index = participant_indices.get(&collaborator.user_id).copied();
-                let user_name = participant_names.get(&collaborator.user_id).cloned();
-                Some(RemoteSelection {
-                    replica_id,
-                    selection,
-                    cursor_shape,
-                    line_mode,
-                    participant_index,
-                    peer_id: collaborator.peer_id,
-                    user_name,
-                })
+                if replica_id == AGENT_REPLICA_ID {
+                    Some(RemoteSelection {
+                        replica_id,
+                        selection,
+                        cursor_shape,
+                        line_mode,
+                        collaborator_id: CollaboratorId::Agent,
+                        user_name: Some("Agent".into()),
+                        color: cx.theme().players().agent(),
+                    })
+                } else {
+                    let collaborator = collaborators_by_replica_id.get(&replica_id)?;
+                    let participant_index = participant_indices.get(&collaborator.user_id).copied();
+                    let user_name = participant_names.get(&collaborator.user_id).cloned();
+                    Some(RemoteSelection {
+                        replica_id,
+                        selection,
+                        cursor_shape,
+                        line_mode,
+                        collaborator_id: CollaboratorId::PeerId(collaborator.peer_id),
+                        user_name,
+                        color: if let Some(index) = participant_index {
+                            cx.theme().players().color_for_participant(index.0)
+                        } else {
+                            cx.theme().players().absent()
+                        },
+                    })
+                }
             })
     }
 
@@ -20297,6 +20354,7 @@ impl Render for Editor {
             &cx.entity(),
             EditorStyle {
                 background,
+                horizontal_padding: Pixels::default(),
                 local_player: cx.theme().players().local(),
                 text: text_style,
                 scrollbar_width: EditorElement::SCROLLBAR_WIDTH,

crates/editor/src/editor_settings.rs

@@ -101,6 +101,7 @@ pub struct Toolbar {
     pub breadcrumbs: bool,
     pub quick_actions: bool,
     pub selections_menu: bool,
+    pub agent_review: bool,
 }
 
 #[derive(Copy, Clone, Debug, Serialize, Deserialize, JsonSchema, PartialEq, Eq)]
@@ -400,11 +401,15 @@ pub struct ToolbarContent {
     ///
     /// Default: true
     pub quick_actions: Option<bool>,
-
-    /// Whether to show the selections menu in the editor toolbar
+    /// Whether to show the selections menu in the editor toolbar.
     ///
     /// Default: true
     pub selections_menu: Option<bool>,
+    /// Whether to display Agent review buttons in the editor toolbar.
+    /// Only applicable while reviewing a file edited by the Agent.
+    ///
+    /// Default: true
+    pub agent_review: Option<bool>,
 }
 
 /// Scrollbar related settings