WIP-CHECKPOINT[auth-refactor]: 固化工程师崩溃前部分成果 + 同树其他未提交WIP（仅源码，不含密钥/二进制）-- 待重激活工程师续作

backend/app/api/employees.py

@@ -18,7 +18,7 @@ import redis.asyncio as aioredis
 from app.utils.response import success_response
 from app.schemas.employee import VALID_IT_LEVELS, VALID_LEVEL_SOURCES
 from app.database import get_db
-from app.core.config import settings
+from app.config import settings
 from app.models.employee import Employee
 from app.dependencies import dep_redis