fix: auto-submit - JS clicks submit 500ms after stop_recording + .change backup

- stop_recording uses JS-only to click submit button after delay
- .change() handles actual Python logic when audio value commits
- Removed all trigger word references
- question_text is fully hidden (visible=False)

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

app.py

@@ -1098,21 +1098,22 @@ with gr.Blocks(title="MomsVoice", css=css_code) as demo:
     )
 
     # Auto-submit when voice recording completes
-    # .stop_recording fires when user clicks stop
+    # In Gradio 5.35, .stop_recording may not pass audio value reliably.
+    # Use .stop_recording with a small delay via JS to click the submit button.
     question_audio.stop_recording(
-        handle_question_submit,
-        inputs=[question_text, question_audio, paragraphs_state, timeline_slider, voice_profile_state],
-        outputs=[answer_display, answer_audio],
+        fn=None,
+        inputs=None,
+        outputs=None,
         js="""() => {
-            // Fallback: also click the submit button after a delay in case the event doesn't process
+            // Wait for audio value to be committed, then click submit
             setTimeout(() => {
-                const btn = document.querySelector('#qa_submit_btn');
+                const btn = document.querySelector('#qa_submit_btn button, #qa_submit_btn');
                 if (btn) btn.click();
-            }, 1000);
+            }, 500);
         }"""
     )
 
-    # Also wire .change() as backup — fires when audio value updates
+    # .change() as primary Python handler — fires after audio value is committed
     def auto_submit_on_audio(audio_path, question_txt, paragraphs, slider_val, profile_id):
         """Auto-submit when a recording is available."""
         if not audio_path: