feat: Implement authentication system with token refresh and initial instructor dashboard with course management.

frontend_management/plugins/01.auth.ts

@@ -1,11 +1,11 @@
 export default defineNuxtPlugin({
     name: 'auth-restore',
     parallel: false,
-    setup() {
+    async setup() {
         const authStore = useAuthStore();
 
         // Restore auth state from cookies on app initialization
-        // useCookie works on both server and client
-        authStore.checkAuth();
+        // Now async - will attempt to refresh token if needed
+        await authStore.checkAuth();
     }
 });