feat: 重构MCP功能和AI服务提供者架构

backend/app/schemas/career.py

@@ -1,5 +1,5 @@
 """职业相关的Pydantic模型"""
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, Field, ConfigDict
 from typing import Optional, List, Dict, Any
 from datetime import datetime
 
@@ -63,8 +63,7 @@ class CareerResponse(BaseModel):
     created_at: datetime
     updated_at: datetime
     
-    class Config:
-        from_attributes = True
+    model_config = ConfigDict(from_attributes=True)
 
 
 class CareerListResponse(BaseModel):