add doc onload

app.py

@@ -157,12 +157,16 @@ API_NAME = 'tts'
 
 head = f'''
 <script>
-    if (!localStorage.getItem('debug')) {{
-        const frontendApp = document.createElement('iframe');
-        frontendApp.src = '/gradio_api/file=./front/dist/index.html';
-        frontendApp.style = 'position: fixed; top: 0; left: 0; width: 100%; height: 100%; border: none; z-index: 999999;';
-        document.body.appendChild(frontendApp);
-    }}
+    document.addEventListener('DOMContentLoaded', () => {{
+        console.log('DOM content loaded');
+        if (!localStorage.getItem('debug')) {{
+            console.log('Attaching frontend app');
+            const frontendApp = document.createElement('iframe');
+            frontendApp.src = '/gradio_api/file=./front/dist/index.html';
+            frontendApp.style = 'position: fixed; top: 0; left: 0; width: 100%; height: 100%; border: none; z-index: 999999;';
+            document.body.appendChild(frontendApp);
+        }}
+    }});
 </script>
 '''