refactor: 重构 Agent 模块为 AgentScope，删除旧版 CrewAI/LiteLLM 实现

backend/src/v1/users/service.py

@@ -8,7 +8,7 @@ from fastapi import HTTPException
 from sqlalchemy.exc import SQLAlchemyError
 
 from core.auth.models import CurrentUser
-from core.agent.infrastructure.persistence.user_context_cache import (
+from core.agentscope.persistence.user_context_cache import (
     create_user_context_cache,
 )
 from core.db.base_service import BaseService