Remove redundant acceptance message in voice reply function and log failure instead

app.py

@@ -301,7 +301,6 @@ def _fn_voice_reply(
         res = generate_voice_reply(proc, model="openai-audio", voice="coral", audio_dir=BotConfig.AUDIO_DIR)
     except Exception as e:
         logger.warning(f"Audio generation failed ({e}); sending text only.")
-        _fn_send_accept(message_id, chat_id, prompt)
         return
 
     if res and res[0]:
@@ -309,7 +308,7 @@ def _fn_voice_reply(
         client.send_media(message_id, chat_id, path, "", media_type="audio")
         os.remove(path)
     else:
-        _fn_send_accept(message_id, chat_id, prompt)
+        logger.warning("Audio reply failed")
 
 # --- Pydantic Models for Function Calling --------------------------------