feat: debug stt callback

main.py

@@ -91,6 +91,7 @@ def main():
         
         # Register MIDI handler for speech-to-text
         def handle_stt_midi(msg):
+            print(f"Received: {msg}")
             # Check if message matches our trigger
             if hasattr(msg, 'type') and msg.type == stt_trigger_type and hasattr(msg, 'channel') and msg.channel == stt_channel:
                 if stt_trigger_type == "note_on" and hasattr(msg, 'note') and msg.note == stt_note: