refactor: 重构 schemas 结构，统一枚举定义

backend/src/v1/users/router.py

@@ -5,7 +5,7 @@ from uuid import UUID
 
 from fastapi import APIRouter, Depends
 
-from schemas.user.context import UserContext
+from schemas.shared.user import UserContext
 from v1.users.dependencies import get_user_service
 from v1.users.schemas import UserSearchRequest, UserUpdateRequest
 from v1.users.service import UserService

backend/src/v1/users/service.py

@@ -13,14 +13,14 @@ from core.agentscope.persistence.user_context_cache import (
 )
 from core.db.base_service import BaseService
 from core.logging import get_logger
-from schemas.user.context import UserContext, parse_profile_settings
+from schemas.shared.user import UserContext, parse_profile_settings
 from v1.users.repository import UserRepository
 from v1.users.schemas import UserSearchRequest, UserUpdateRequest
 
 if TYPE_CHECKING:
     from sqlalchemy.ext.asyncio import AsyncSession
 
-    from schemas.user.context import UserContext
+    from schemas.shared.user import UserContext
 
 logger = get_logger("v1.users.service")
 
@@ -105,7 +105,7 @@ class UserService(BaseService):
         )
 
     async def get_user_by_id(self, user_id: UUID) -> "UserContext":
-        from schemas.user.context import UserContext
+        from schemas.shared.user import UserContext
 
         try:
             profile = await self._repository.get_by_user_id(user_id)