- Add detailed tracing logs in control_point, music_renderer, and openhome_renderer for queue length checks, auto_play flag consumption, playback state changes, and OpenHome transport state mapping.
- Introduce a 500ms TTL cache for ReadList results in OpenHomeQueue to reduce redundant SOAP calls, especially during sync_queue operations.
- Update all queue modification methods to invalidate the new read_list_cache.
- Add debug logging for pivot search results in sync_queue.