add logs to func, fix audio return

app.py

@@ -9,6 +9,7 @@ import logging
 from vocode.turn_based.agent.chat_gpt_agent import ChatGPTAgent
 from vocode.turn_based.synthesizer import CoquiSynthesizer
 from vocode.turn_based.transcriber.whisper_transcriber import WhisperTranscriber
+from vocode.turn_based.output_device import SpeakerOutput
 system_prompt = """
 You are the evil lord Darth Vader. You answer all questions your subjects ask you, but do so with immense contempt and loathing.
 You may use any of the following lines or take inspiration from this conversational style where appropriate in your response.
@@ -87,9 +88,11 @@ def main(input_audio):
         try:
             # Transcribe the input_audio using WhisperTranscriber
             transcript = transcriber.transcribe(input_audio)
+            logger.info(f"Transcription: {transcript}")
             response = agent.generate_response(transcript)
+            logger.info(f"Agent response: {response}")
             output_audio = synthesizer.synthesize(response)
-            return output_audio
+            return SpeakerOutput.send_audio(output_audio)
 
         except Exception as e:
             logger.error("Failed to synthesize response: %s", e)