- Audio sources moved to separate tab with dedicated CRUD API, store, and editor modal - New "mapped" color strip source type: assigns different CSS sources to distinct LED sub-ranges (zones) - Mapped stream runtime with per-zone sub-streams, auto-sizing, hot-update support - Target editor auto-collapses segments UI when mapped CSS is selected - Delete protection for CSS sources referenced by mapped zones - Compact header/footer layout Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>