[fix] negodata: /me 응답 role 을 UserRole enum 으로 직렬화 (Pydantic 경고 제거)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

negodata/backend/services/auth_service.py

@@ -4,7 +4,7 @@ from fastapi import Depends
 
 from common.database.db_session_manager import DB_SESSION_MNG
 from common.database.model.models import users
-from common.enums import DBWRType, ErrorType, UserStatus
+from common.enums import DBWRType, ErrorType, UserRole, UserStatus
 from common.logger import LOG
 from common.models.gmodel import UserInfo
 from crud.user_crud import IUserCRUD, UserCRUD
@@ -112,7 +112,7 @@ class AuthService:
         res.name = user.name
         res.email = user.email
         res.contact_number = user.contact_number
-        res.role = user.role
+        res.role = UserRole(user.role)
         res.company = company
         return res