Add debugging to help diagnose why the application isn't loading

Add comprehensive logging and error handling to the client-side entry point and index.html to identify and report issues preventing the React application from mounting.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 890577b1-c154-40a4-a177-a0c6d55320c3
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/8cc42625-c1f5-4e43-99bd-77f2c4dedee2/890577b1-c154-40a4-a177-a0c6d55320c3/DyHCx4q

client/index.html

@@ -57,5 +57,28 @@
     <div id="root"></div>
     <script type="module" src="/src/main.tsx"></script>
     <!-- Replit script removed - caused scrolling issues -->
+    
+    <!-- Debug script for deployment issues -->
+    <script>
+      console.log('🚀 go4.video loading...');
+      window.addEventListener('load', function() {
+        console.log('✅ Window loaded');
+        setTimeout(function() {
+          const root = document.getElementById('root');
+          if (root && root.innerHTML.trim() === '') {
+            console.error('❌ React app failed to mount - root div is empty');
+            root.innerHTML = '<div style="color: red; padding: 20px; font-family: Arial; text-align: center; background: #000; height: 100vh; display: flex; align-items: center; justify-content: center;"><div><h1>Error: React app failed to load</h1><p>Check browser console for details</p></div></div>';
+          }
+        }, 2000);
+      });
+      
+      window.addEventListener('error', function(e) {
+        console.error('❌ Global error:', e.error);
+      });
+      
+      window.addEventListener('unhandledrejection', function(e) {
+        console.error('❌ Unhandled promise rejection:', e.reason);
+      });
+    </script>
   </body>
 </html>