sozercan/kaset — reverse-engineered prompt

Build me a native macOS app for YouTube Music called Kaset.

I want it to feel like Apple Music, with a clean sidebar, a nice glassy player bar, search, explore, library, podcasts, history, lyrics, queue management, and normal playback controls. It should let me sign in with my Google account and use my existing YouTube Music Premium subscription, including protected playback where possible.

Please make it feel like a real Mac app, not just a website wrapper. Add media key support, Control Center now playing, dock menu controls, notifications when the song changes, background audio when I close the window, keyboard shortcuts, sharing through the native share sheet, and haptic feedback on trackpads.

Also include a 6 band equalizer with presets, basic playlist actions, URL links like opening a song directly, AppleScript automation support, and support for loading WebKit extensions. If macOS 26 features are available, add Apple Intelligence style natural language commands and lyrics explanations. Use Swift and SwiftUI, and look up current Apple docs if needed.