feat(audio): wire MicBridge so recordings include the user's voice

src-tauri/src/commands.rs

@@ -296,17 +296,27 @@ pub async fn start_recording(
     // back to loopback-only (the mixer forwards loopback alone once its sink
     // drops).
     let (capture, mic_capture) = if settings.microphone_enabled {
+        // The mixer sums both streams for the live transcript; the bridge carries
+        // the mic into the loopback thread so the recorded WAV holds both sides
+        // at native quality (FR-CAP-7).
+        let bridge = crate::audio::MicBridge::shared();
         let (loop_sink, mic_sink) = crate::audio::spawn_mixer(frame_tx);
         let capture = WasapiCapture
-            .start(
+            .start_loopback_recording(
                 &wav_path,
                 settings.audio_output_device.as_deref(),
                 loop_sink,
                 event_tx.clone(),
+                bridge.clone(),
             )
             .map_err(|e| WaError::new("audio", e.to_string()))?;
         let mic = WasapiCapture
-            .start_microphone(settings.audio_input_device.as_deref(), mic_sink, event_tx)
+            .start_microphone_recording(
+                settings.audio_input_device.as_deref(),
+                mic_sink,
+                event_tx,
+                bridge,
+            )
             .map_err(|e| tracing::warn!("microphone capture unavailable: {e}"))
             .ok();
         (capture, mic)