refactor(db): 将数据库操作异步化

- 将所有 session.add() 改为 await session.add()
- 将所有 session.commit() 改为 await session.commit()
- 将 session.refresh() 改为 await session.refresh()

src/chat/message_receive/storage.py

@@ -123,7 +123,8 @@ class MessageStorage:
                 is_picid=is_picid,
             )
             async with get_db_session() as session:
-                session.add(new_message)
+                await session.add(new_message)
+                await session.commit()
 
         except Exception:
             logger.exception("存储消息失败")
@@ -162,9 +163,6 @@ class MessageStorage:
                 logger.debug(f"消息段数据: {message.message_segment.data}")
                 return
 
-            # 使用上下文管理器确保session正确管理
-            from src.common.database.sqlalchemy_models import get_db_session
-
             async with get_db_session() as session:
                 matched_message = (
                     await session.execute(