What's new
- Input health panel with live input level meter, volume slider, and mute toggle.
- Live mute and volume updates via per-channel CoreAudio listeners.
- Fixed fallback menu selection persistence.
- Hardened Runtime enabled with the audio-input entitlement; the level meter now works in notarized builds.
- Fixed admin-prompt cancellation detection on non-English systems.
- Fixed a data race in the input level monitor and reduced redundant level computation.
Developer ID signed and Apple notarized. Apple Silicon (arm64) only, macOS 13+.