feat(v1.2.0): Final Release - Native Audio, Smart VAD, Auto-Loop & Quality Fixes

- Implemented standard 48kHz audio pipeline to fix sample rate mismatch/distortion
- Added Native System Audio (ScreenCaptureKit) support
- Implemented Smart VAD (Voice Activity Detection) with Auto-Start on valid audio
- Added Auto-Loop: Automatically re-arms recording after stop
- Added Empty Guard: Prevents transcribing silent recordings (< 20s empty)
- Increased Pre-Roll buffer to 3.0s to prevent cut-off speech
- Fixed clipping with clamped audio mixing

src-tauri/tauri.conf.json

@@ -1,7 +1,7 @@
 {
   "$schema": "https://schema.tauri.app/config/2",
   "productName": "Hearbit AI",
-  "version": "1.1.1",
+  "version": "1.2.0",
   "identifier": "com.hearbit-ai.desktop",
   "build": {
     "beforeDevCommand": "npm run dev",