fix: improve maintenance and synchronize live conversations

backend/tests/service/test_socket_rate_limit.py

@@ -19,8 +19,6 @@ import redis
 import asyncio
 from unittest.mock import patch, MagicMock, AsyncMock
 from app.services.socket_rate_limit import socket_rate_limit
-from app.core.config import settings
-from app.core.socketio import sio
 
 # Test constants
 TEST_SID = "test_session_id"