add auth, format

lib/features/promotions/presentation/pages/promotions_page.dart

@@ -40,13 +40,9 @@ class PromotionsPage extends ConsumerWidget {
             // Scrollable content
             Expanded(
               child: promotionsAsync.when(
-                data: (promotions) => _buildPromotionsContent(
-                  context,
-                  promotions,
-                ),
-                loading: () => const Center(
-                  child: CircularProgressIndicator(),
-                ),
+                data: (promotions) =>
+                    _buildPromotionsContent(context, promotions),
+                loading: () => const Center(child: CircularProgressIndicator()),
                 error: (error, stack) => Center(
                   child: Column(
                     mainAxisAlignment: MainAxisAlignment.center,
@@ -138,10 +134,7 @@ class PromotionsPage extends ConsumerWidget {
             const SizedBox(height: 8),
             Text(
               'Hãy quay lại sau để xem các ưu đãi mới',
-              style: const TextStyle(
-                fontSize: 14,
-                color: AppColors.grey500,
-              ),
+              style: const TextStyle(fontSize: 14, color: AppColors.grey500),
             ),
           ],
         ),
@@ -185,11 +178,8 @@ class PromotionsPage extends ConsumerWidget {
         ),
 
         // Bottom padding for navigation clearance
-        const SliverToBoxAdapter(
-          child: SizedBox(height: 16),
-        ),
+        const SliverToBoxAdapter(child: SizedBox(height: 16)),
       ],
     );
   }
-
 }