Faster Transitions: Reduced the delay between songs by preparing the next track 4 seconds before the current one finishes.

Queue Stability: Fixed cases where the extension could get stuck and fail to advance to the next video in a playlist

New: Now works on desktop Firefox (with mobile emulation/webpanels)
Fixed: YouTube Music playback no longer stops after ~1 minute
Fixed: More reliable background playback with improved anti-suspension

Cleaned up the code. Kept only the necessary key features:
- Removed all debug logging
- Removed unused icon files
- Simplified event handling