- Add hls.js plugin to ArtPlayer wrapper for HLS streaming support
- Implement adaptive bitrate streaming and quality level switching
- Create comprehensive HLS error handling with recovery and fallback
- Detect and handle HLS-compatible formats (.ts, MP4, M4V, TS, M2TS, MTS)
- Support native HLS playback fallback for Safari browsers
- Enhance fallback chain: Native → HLS → Direct → Transcoding streaming
- Update unified video player to handle ArtPlayer errors with fallback logic
- Provide user-friendly error messages and retry options on HLS failure
- Add cleanup for HLS error handlers on component unmount
- Complete Phase 2 of gradual migration tracker with HLS integration and tests
