fix: update AsyncItemService::new() to accept wrapped Command and Settings types

Co-authored-by: aider (openai/andrew/openrouter/deepseek/deepseek-chat-v3.1) <aider@aider.chat>

src/services/async_item_service.rs

@@ -29,15 +29,15 @@ impl AsyncItemService {
         data_dir: PathBuf, 
         db: Arc<Mutex<Connection>>, 
         item_service: Arc<ItemService>,
-        cmd: Command,
-        settings: Settings,
+        cmd: Arc<Mutex<Command>>,
+        settings: Arc<Settings>,
     ) -> Self {
         Self { 
             data_dir, 
             db, 
             item_service,
-            cmd: Arc::new(Mutex::new(cmd)),
-            settings: Arc::new(settings),
+            cmd,
+            settings,
         }
     }