- Introduced `file_attachment` and `image_attachment` fields to the ChatMessage model with appropriate upload paths.
- Updated ChatMessageAdmin to display attachment status and previews in the admin interface.
- Added utility functions for thumbnail generation and video frame extraction.
- Created a migration to add new fields to the database.
- Enhanced UploadTmpSerializer to include thumbnail URL generation for uploaded images and videos.
Mohsen Taba
mortezaei
alireza