Add TTS option to intro message initialization in demo

app.py

@@ -581,6 +581,12 @@ def _on_load_init():
     return init_state()
 
 
+def _on_load_init_with_tts(tts_on: bool):
+    chat_history, scores_state, meta_state, finished_state, turns_state = init_state()
+    # Play the intro message via TTS if enabled
+    tts_path = synthesize_tts(chat_history[-1][1]) if bool(tts_on) else None
+    return chat_history, scores_state, meta_state, finished_state, turns_state, tts_path
+
 def create_demo():
     with gr.Blocks(
         theme=gr.themes.Soft(),
@@ -658,8 +664,8 @@ def create_demo():
         finished_state = gr.State()
         turns_state = gr.State()
 
-        # Initialize on load (top-level function to be pickle-safe under ZeroGPU)
-        demo.load(_on_load_init, inputs=None, outputs=[chatbot, scores_state, meta_state, finished_state, turns_state])
+        # Initialize on load and optionally speak the intro message
+        demo.load(_on_load_init_with_tts, inputs=[tts_enable], outputs=[chatbot, scores_state, meta_state, finished_state, turns_state, tts_audio_main])
 
         # Wire interactions
         audio_main.stop_recording(