Reads ffprobe metadata from every audio file and places it into:
{dest}/{AlbumArtist}/{Album}/{NN - Artist - Title.ext}
Exactly mirrors the sanitize(), folder and filename rules in
backend/lib/ytdlp.js. Dry-run by default; --move to execute, --clean
to remove empty source dirs afterwards.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>