Update app/gradio_app.py

app/gradio_app.py

@@ -293,6 +293,7 @@ def build_demo():
         
             # 4) TTS
             new_tts = tts_synthesize(bot_text)
+            print("[VOICE][HF] bot_text len=", len(bot_text), " new_tts=", new_tts, " exists=", (os.path.exists(new_tts) if new_tts else None))
             log("tts_out:", new_tts, os.path.exists(new_tts) if new_tts else None)
         
             # 5) Update voice transcript chat (text)