4f4d2bfae5
Mobile UI: - Responsive layout for all views (Sandbox, World Map, Puzzle View) - Bottom sheet with swipe gestures for module palette and puzzle tabs - Mobile tab bar navigation (Game/Sandbox/Config) - Touch panning, pinch-to-zoom, native zoom blocking - PWA support (installable, offline-capable) New modules: - Drum Pad (🥁): 4x4 colored pad grid with gate/freq output - CV→Gate (⚡): converts continuous CV to gate signal with threshold - Fullscreen mode for Keyboard and Drum Pad (portal-based) Audio engine: - Global master clock (120 Hz) with time-derived ticks (no drift) - Connection cache with dirty flag (zero overhead on cache hit) - Reduced main thread pressure (throttled RAF loops, lower clock rate) - VCA properly zeroes with CV control, envelope release min 0.001s - Audio context unlocked on first interaction for immediate UI sounds