调整前端user-connected

Html/apps/sockets/namespaces.py

@@ -69,6 +69,7 @@ class AgentNamespace(Namespace):
         folder = request.args.get('folder')
         print(f'Agent client connected with user_uuid: {user_uuid}, folder: {folder}')
         join_room(user_uuid, namespace='/agent')
+        emit('user-connected', {'user_uuid': user_uuid})
             
     def _load_learning_progress(self, chatmanager, user_id, course_id, chapter_name, lesson_name, continue_learn):
         """加载并恢复用户学习进度