fix: scope instructor chat threads to the selected course

src/components/InstructorChatPanel.tsx

@@ -15,6 +15,7 @@ import type { AuthSession } from '../types/auth';
 
 type InstructorChatPanelProps = {
   session: AuthSession;
+  courseId: string;
   open: boolean;
   initialThreadId?: string | null;
   initialThreadRequestId?: number;
@@ -30,7 +31,7 @@ type ChatNotificationPayload = {
   createdAt: string;
 };
 
-export function InstructorChatPanel({ session, open, initialThreadId = null, initialThreadRequestId = 0, onClose }: InstructorChatPanelProps) {
+export function InstructorChatPanel({ session, courseId, open, initialThreadId = null, initialThreadRequestId = 0, onClose }: InstructorChatPanelProps) {
   const [threads, setThreads] = useState<InstructorChatThread[]>([]);
   const [selectedThreadId, setSelectedThreadId] = useState<string | null>(null);
   const [loading, setLoading] = useState(false);
@@ -45,7 +46,7 @@ export function InstructorChatPanel({ session, open, initialThreadId = null, ini
     if (showLoading) setLoading(true);
     setError(null);
 
-    const request = listInstructorChatThreads(session.accessToken)
+    const request = listInstructorChatThreads(session.accessToken, courseId)
       .then((items) => {
         if (!cancelled) setThreads(items);
       })
@@ -91,7 +92,7 @@ export function InstructorChatPanel({ session, open, initialThreadId = null, ini
     return () => {
       refresh.cancel();
     };
-  }, [open, session.accessToken]);
+  }, [courseId, open, session.accessToken]);
 
   useEffect(() => {
     if (!open || !initialThreadId) return;
@@ -124,7 +125,7 @@ export function InstructorChatPanel({ session, open, initialThreadId = null, ini
       socket.off('chat.message.created', handleMessageCreated);
       socket.disconnect();
     };
-  }, [open, selectedThreadId, session.accessToken]);
+  }, [courseId, open, selectedThreadId, session.accessToken]);
 
   useEffect(() => {
     if (!open) setSelectedThreadId(null);