fix: 添加Optional类型导入

- 修复'name Optional is not defined'错误
- 在storage.py中添加from typing import Optional

src/chat/message_receive/storage.py

@@ -3,6 +3,7 @@ import re
 import time
 import traceback
 from collections import deque
+from typing import Optional
 
 import orjson
 from sqlalchemy import desc, select, update