Deploy complete premium UI application

static/index.html

@@ -42,7 +42,7 @@
                         <i class="fas fa-user"></i>
                     </div>
                     <div class="user-info">
-                        <span class="user-name" id="userName">Guest</span>
+                        <span class="user-name" id="userName"></span>
                         <span class="user-role">Premium User</span>
                     </div>
                     <a href="login.html" class="logout-btn" title="Logout">
@@ -306,11 +306,20 @@
     <script src="assets/js/proctoring.js"></script>
     <script src="assets/js/premium-app.js"></script>
     <script>
-        // Load username from session
+        // Check login and load username
         document.addEventListener('DOMContentLoaded', function() {
             const userName = sessionStorage.getItem('userName');
+            const isLoggedIn = sessionStorage.getItem('isLoggedIn');
             const userNameEl = document.getElementById('userName');
-            if (userName && userNameEl) {
+            
+            // If not logged in, redirect to signup
+            if (!isLoggedIn || !userName) {
+                window.location.href = '/signup';
+                return;
+            }
+            
+            // Display username
+            if (userNameEl) {
                 userNameEl.textContent = userName;
             }
             
@@ -320,7 +329,7 @@
                 logoutBtn.addEventListener('click', function(e) {
                     e.preventDefault();
                     sessionStorage.clear();
-                    window.location.href = 'login.html';
+                    window.location.href = '/login';
                 });
             }
         });