add auth

lib/app.dart

@@ -19,6 +19,9 @@ class WorkerApp extends ConsumerWidget {
 
   @override
   Widget build(BuildContext context, WidgetRef ref) {
+    // Watch router provider to get auth-aware router
+    final router = ref.watch(routerProvider);
+
     return MaterialApp.router(
       // ==================== App Configuration ====================
       debugShowCheckedModeBanner: false,
@@ -26,7 +29,8 @@ class WorkerApp extends ConsumerWidget {
 
       // ==================== Router Configuration ====================
       // Using go_router for declarative routing with deep linking support
-      routerConfig: AppRouter.router,
+      // Router is provided by Riverpod and includes auth state management
+      routerConfig: router,
 
       // ==================== Theme Configuration ====================
       // Material 3 theme with brand colors (Primary Blue: #005B9A)