- Integrate yt-dlp.exe for real YouTube audio download/conversion
- Serve actual MP3 files from wwwroot/downloads via API and static files
- Report real-time progress from yt-dlp to frontend
- Enhance DownloadController: file serving, metadata, deletion endpoints
- Update VideoController to track and return real file info/URLs
- Enable static file serving in Program.cs; update API info/logging
- Update Blazor frontend to use real download URLs and remove old JS logic
- Add README_UPDATED.md with new workflow and troubleshooting
- Improve error handling, logging, and file cleanup throughout backend
- Update .gitignore for downloads and yt-dlp.exe