Fixes: 1) Align migration dependencies with correct auth and token_blacklist migration versions; 2) Ensure proper migration ordering between vibes_auth and token_blacklist. Extra: None
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.