- Add audio file recognition in backend (tool.py) and frontend (file.ts)
- Support audio formats: mp3, wav, ogg, flac, m4a, aac, wma
- Add audio player in TikTok view with starfield background animation
- Add audio modal similar to video modal
- Update file type filter to multi-select checkboxes (image/video/audio)
- Add filename display in TikTok view with Douyin-style bottom gradient
- Add long press to hide/show controls in TikTok view
- Fix audio resource cleanup when closing TikTok view
- Add Audio media type tag in database indexing
- Add i18n translations for audio related strings