avatar_url
User
Fixes: 1) Restore correct imports order in `engine/vibes_auth/models.py`. Extra: 1) Adjust formatting and grouping for clarity in imports section.
ChatThread
ChatMessage
ThreadStatus
SenderType
Fixes: 1) Corrected `admin.py` imports for consistency and model alignment; Extra: Refactored `choices.py` for reusable enums; restructured `models.py` for clarity and maintainability.