fix: improve maintenance and synchronize live conversations

backend/tests/api/test_ai_setup.py

@@ -16,18 +16,16 @@ limitations under the License.
 
 import pytest
 import os
-from unittest.mock import patch, MagicMock
+from unittest.mock import patch
 from fastapi.testclient import TestClient
 from fastapi import FastAPI
 from app.models.user import User
-from app.models.ai_config import AIConfig, AIModelType
+from app.models.ai_config import AIConfig
 from app.models.role import Role
 from app.models.permission import Permission, role_permissions
 from uuid import uuid4
 from app.api import ai_setup as ai_setup_router
 from app.core.auth import get_current_user, require_permissions
-from app.models.schemas.ai_config import AIConfigCreate, AIConfigUpdate
-from pydantic import SecretStr
 from app.database import get_db
 
 # Create a test FastAPI app