background_runtime_windows 0.1.1

Windows implementation of the background_runtime plugin.

0.1.1

• Notification action event channel with low-level keyboard hook (WH_KEYBOARD_LL) for media keys.
• Media key handling: VK_MEDIA_PREV_TRACK, VK_MEDIA_NEXT_TRACK, VK_MEDIA_PLAY_PAUSE, VK_MEDIA_STOP.
• Album art extracted from AudioTrack.albumArt, persisted in audio_track.json, included in player state events.
• Full WinHTTP download engine with async progress callbacks and JSON persistence.

0.1.0

• Initial release: Windows implementation stub.