Improve progress reporting for audio separation

Refactor track separation to support progress updates (Text separate_text progress)

Add detailed progress updates to separate_tracks

Add support for "Full" audio mix in track outputs

Add audio format detection and improve WAV to MP3 conversion in separate_tracks

Fix video ID extraction logic and add full audio export in separate_tracks function

Refactor audio processing to improve job ID handling and update .gitignore for separated files

Improve yt-dlp extraction, cookies, and user guidance

Update cookies and conditionalize impersonate in yt_audio

Add Chrome cookies.txt upload and yt_dlp refactor

Refactor audio download with yt_dlp fallback to Piped

Update yt-dlp cookie handling and Deno check logic

Refactor yt_dlp options and Deno check logic

Update yt-dlp config and cookies for YouTube extraction

Enable YouTube downloads with browser and static cookies

Enhance AudioGallery and Gradio integration with client-side JS, update Dockerfile for SSL support, and refactor audio URL handling

Update yt-dlp version in requirements and modify audio download format options

Refactor: modularize app, add AudioGallery, MCP, tests