fix: adjust sleep durations in Linux input focus release for improved responsiveness

internal/audio/recorder/recorder.go

@@ -202,14 +202,14 @@ func (r *AudioRecorder) Stop() error {
 		return nil
 	}
 
-	// Stop device capture without uninitializing hardware
+	// Stop and release the capture device so Linux privacy indicators turn off
+	// between recordings. The next Start will initialize it again.
 	if r.device != nil {
 		if err := r.device.Stop(); err != nil {
 			logger.Error("Failed to stop audio device: %v", err)
-			// On failure, it might be safer to uninit
-			r.device.Uninit()
-			r.device = nil
 		}
+		r.device.Uninit()
+		r.device = nil
 	}
 
 	// Finalize WAV file

text_insert_linux.go

@@ -52,11 +52,11 @@ func (a *App) insertTranscription(text string) {
 
 func (a *App) releaseLinuxInputFocus() {
 	if a.ctx == nil {
-		time.Sleep(150 * time.Millisecond)
+		time.Sleep(100 * time.Millisecond)
 		return
 	}
 	wailsruntime.WindowHide(a.ctx)
-	time.Sleep(250 * time.Millisecond)
+	time.Sleep(150 * time.Millisecond)
 }
 
 func isASCII(text string) bool {