feat: auto-start mic recording on Ask click (100ms user gesture window)

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

app.py

@@ -1032,6 +1032,23 @@ with gr.Blocks(title="MomsVoice", css=css_code) as demo:
         inputs=[],
         outputs=[player_status_bar, play_btn, pause_btn, ask_btn, resume_btn, qa_panel, qa_input_group, answer_display, answer_audio],
         cancels=[play_event],
+        js="""() => {
+            // Auto-click Record within user gesture window (100ms).
+            // The Ask button click IS the user gesture, so mic permission should be granted.
+            setTimeout(() => {
+                const el = document.querySelector('#qa_audio_input');
+                if (!el) return;
+                const btn = el.querySelector('button[aria-label="Record"], button.record-button');
+                if (btn) { btn.click(); return; }
+                // Fallback: find any button with record icon
+                const allBtns = el.querySelectorAll('button');
+                for (const b of allBtns) {
+                    if (b.querySelector('svg') || b.textContent.trim() === '') {
+                        b.click(); break;
+                    }
+                }
+            }, 100);
+        }"""
     )
 
     # 9. Submit question — LFM2.5-Audio end-to-end (single model: audio-in → audio+text-out)