Add tool preview component for agent

Cargo.lock

@@ -64,6 +64,7 @@ dependencies = [
  "clock",
  "collections",
  "command_palette_hooks",
+ "component",
  "context_server",
  "convert_case 0.8.0",
  "db",
@@ -84,6 +85,7 @@ dependencies = [
  "language",
  "language_model",
  "language_model_selector",
+ "linkme",
  "log",
  "lsp",
  "markdown",

crates/agent/Cargo.toml

@@ -31,6 +31,7 @@ client.workspace = true
 clock.workspace = true
 collections.workspace = true
 command_palette_hooks.workspace = true
+component.workspace = true
 context_server.workspace = true
 convert_case.workspace = true
 db.workspace = true
@@ -50,6 +51,7 @@ itertools.workspace = true
 language.workspace = true
 language_model.workspace = true
 language_model_selector.workspace = true
+linkme.workspace = true
 log.workspace = true
 lsp.workspace = true
 markdown.workspace = true
@@ -84,9 +86,9 @@ ui.workspace = true
 ui_input.workspace = true
 util.workspace = true
 uuid.workspace = true
+workspace-hack.workspace = true
 workspace.workspace = true
 zed_actions.workspace = true
-workspace-hack.workspace = true
 
 [dev-dependencies]
 buffer_diff = { workspace = true, features = ["test-support"] }

crates/agent/src/ui.rs

@@ -1,5 +1,6 @@
 mod agent_notification;
 mod context_pill;
+mod tool_preview;
 
 pub use agent_notification::*;
 pub use context_pill::*;

crates/agent/src/ui/tool_preview.rs

@@ -0,0 +1,20 @@
+mod tool_preview {
+    use ui::{AnyElement, App, Window, component_prelude::*};
+
+    #[derive(RegisterComponent)]
+    pub struct Thinking {}
+
+    impl Component for Thinking {
+        fn scope() -> ComponentScope {
+            ComponentScope::Agent
+        }
+
+        fn description() -> Option<&'static str> {
+            None
+        }
+
+        fn preview(_window: &mut Window, _cx: &mut App) -> Option<AnyElement> {
+            None
+        }
+    }
+}

crates/component/src/component.rs

@@ -193,6 +193,7 @@ pub fn components() -> AllComponents {
 
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub enum ComponentScope {
+    Agent,
     Collaboration,
     DataDisplay,
     Editor,
@@ -212,6 +213,7 @@ pub enum ComponentScope {
 impl Display for ComponentScope {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         match self {
+            ComponentScope::Agent => write!(f, "Agent"),
             ComponentScope::Collaboration => write!(f, "Collaboration"),
             ComponentScope::DataDisplay => write!(f, "Data Display"),
             ComponentScope::Editor => write!(f, "Editor"),