- Add alreadyClosed flag to track if data channel was closed unexpectedly
- Skip closing data channel in defer if already closed
- Add unit test TestBatcher_UnexpectedChannelClose to verify the fix
* refactor: cmd update.
* refactor: msg transfer refactor.
* refactor: msg transfer refactor.
* refactor: msg transfer refactor.
* fix: read prometheus port when flag set to enable and prevent failure during startup.
* fix: notification has counted unread counts bug fix.
* fix: merge opensource code into local.
* refactor: delete message and message batch use lua.
* refactor: delete message and message batch use lua.
* refactor: delete message and message batch use lua.
* refactor: delete message and message batch use lua.
* refactor: delete message and message batch use lua.
* refactor: delete message and message batch use lua.
* refactor: delete message and message batch use lua.
* refactor: delete message and message batch use lua.
* refactor: delete message and message batch use lua.
* refactor: delete message and message batch use lua.
* refactor: delete message and message batch use lua.
* refactor: delete message and message batch use lua.
* refactor: delete message and message batch use lua.
* refactor: delete message and message batch use lua.
* refactor: delete message and message batch use lua.
* refactor: delete message and message batch use lua.
* refactor: delete message and message batch use lua.
* refactor: delete message and message batch use lua.
* refactor: delete message and message batch use lua.
* refactor: delete message and message batch use lua.
* refactor: delete message and message batch use lua.
* refactor: delete message and message batch use lua.
* refactor: delete message and message batch use lua.
* refactor: delete message and message batch use lua.
* refactor: delete message and message batch use lua.
* refactor: delete message and message batch use lua.
* refactor: delete message and message batch use lua.
* refactor: delete message and message batch use lua.
* refactor: delete message and message batch use lua.
* refactor: delete message and message batch use lua.
* fix: add protective measures against memory overflow.