feat(agent): pass AppConfig through ToolContext and fix tool call handling

libs/agent/chat/mod.rs

@@ -8,6 +8,7 @@ use models::projects::project;
 use models::repos::repo;
 use models::rooms::{room, room_message};
 use models::users::user;
+use config::AppConfig;
 use std::collections::HashMap;
 use uuid::Uuid;
 
@@ -29,6 +30,7 @@ pub type StreamCallback = Box<
 pub struct AiRequest {
     pub db: AppDatabase,
     pub cache: AppCache,
+    pub config: AppConfig,
     pub model: model::Model,
     pub project: project::Model,
     pub sender: user::Model,

libs/agent/chat/service.rs

@@ -321,13 +321,6 @@ impl ChatService {
             );
 
             if has_tool_calls && tools_enabled {
-                // Send final text chunk
-                on_chunk(AiStreamChunk {
-                    content: text_accumulated.clone(),
-                    done: true,
-                })
-                .await;
-
                 // Build ToolCall list from accumulated chunks
                 let tool_calls: Vec<_> = tool_call_chunks
                     .into_iter()
@@ -340,12 +333,23 @@ impl ChatService {
                     .collect();
 
                 if !tool_calls.is_empty() {
+                    // Capture thinking text, send it as a completed chunk, then clear for the next turn
+                    let thinking_text = text_accumulated.clone();
+                    if !thinking_text.is_empty() {
+                        on_chunk(AiStreamChunk {
+                            content: thinking_text.clone(),
+                            done: true,
+                        })
+                        .await;
+                    }
+                    text_accumulated.clear();
+
                     // Append assistant message with tool calls to history
                     messages.push(ChatCompletionRequestMessage::Assistant(
                         ChatCompletionRequestAssistantMessage {
                             content: Some(
                                 ChatCompletionRequestAssistantMessageContent::Text(
-                                    text_accumulated,
+                                    thinking_text,
                                 ),
                             ),
                             name: None,
@@ -400,6 +404,7 @@ impl ChatService {
         let mut ctx = ToolContext::new(
             request.db.clone(),
             request.cache.clone(),
+            request.config.clone(),
             request.room.id,
             Some(request.sender.uid),
         )

libs/agent/tool/context.rs

@@ -7,6 +7,7 @@ use std::sync::Arc;
 
 use db::cache::AppCache;
 use db::database::AppDatabase;
+use config::AppConfig;
 use uuid::Uuid;
 
 use super::registry::ToolRegistry;
@@ -21,6 +22,7 @@ pub struct ToolContext {
 struct Inner {
     pub db: AppDatabase,
     pub cache: AppCache,
+    pub config: AppConfig,
     pub room_id: Uuid,
     pub sender_id: Option<Uuid>,
     pub project_id: Uuid,
@@ -32,11 +34,18 @@ struct Inner {
 }
 
 impl ToolContext {
-    pub fn new(db: AppDatabase, cache: AppCache, room_id: Uuid, sender_id: Option<Uuid>) -> Self {
+    pub fn new(
+        db: AppDatabase,
+        cache: AppCache,
+        config: AppConfig,
+        room_id: Uuid,
+        sender_id: Option<Uuid>,
+    ) -> Self {
         Self {
             inner: Arc::new(Inner {
                 db,
                 cache,
+                config,
                 room_id,
                 sender_id,
                 project_id: Uuid::nil(),
@@ -111,6 +120,11 @@ impl ToolContext {
         &self.inner.cache
     }
 
+    /// Application config.
+    pub fn config(&self) -> &AppConfig {
+        &self.inner.config
+    }
+
     /// Room where the original message was sent.
     pub fn room_id(&self) -> Uuid {
         self.inner.room_id