const constructure

lib/presentation/pages/payment/widgets/payment_left_panel.dart

@@ -42,9 +42,9 @@ class PaymentLeftPanel extends StatelessWidget {
               ),
             ],
           ),
-          SpaceHeight(8),
-          Divider(color: AppColor.border),
-          SpaceHeight(8),
+          const SpaceHeight(8),
+          const Divider(color: AppColor.border),
+          const SpaceHeight(8),
           Expanded(
             child: state.pendingItems.isEmpty
                 ? const Center(child: Text('Tidak ada item'))
@@ -52,7 +52,7 @@ class PaymentLeftPanel extends StatelessWidget {
                     shrinkWrap: true,
                     itemCount: state.pendingItems.length,
                     separatorBuilder: (_, __) =>
-                        Divider(color: AppColor.border),
+                        const Divider(color: AppColor.border),
                     itemBuilder: (context, index) {
                       final item = state.pendingItems[index];
                       return ListTile(
@@ -79,13 +79,13 @@ class PaymentLeftPanel extends StatelessWidget {
                     },
                   ),
           ),
-          Divider(color: AppColor.border),
+          const Divider(color: AppColor.border),
           _buildSummaryRow('Subtotal', state.order.subtotal),
           _buildSummaryRow('Pajak', state.order.taxAmount),
           _buildSummaryRow('Diskon', state.order.discountAmount),
-          SpaceHeight(8),
-          DashedDivider(color: AppColor.border),
-          SpaceHeight(8),
+          const SpaceHeight(8),
+          const DashedDivider(color: AppColor.border),
+          const SpaceHeight(8),
           _buildSummaryRow(
             'Total',
             state.order.totalAmount,

lib/presentation/pages/payment/widgets/payment_right_panel.dart

@@ -65,7 +65,7 @@ class _PaymentRightPanelState extends State<PaymentRightPanel> {
         color: AppColor.white,
         borderRadius: BorderRadius.circular(12),
       ),
-      padding: EdgeInsets.all(16),
+      padding: const EdgeInsets.all(16),
       child: Column(
         crossAxisAlignment: CrossAxisAlignment.start,
         children: [
@@ -81,19 +81,19 @@ class _PaymentRightPanelState extends State<PaymentRightPanel> {
               child: Column(
                 crossAxisAlignment: CrossAxisAlignment.start,
                 children: [
-                  SpaceHeight(24),
+                  const SpaceHeight(24),
                   Text(
                     'Metode Pembayaran',
                     style: AppStyle.md.copyWith(fontWeight: FontWeight.w600),
                   ),
-                  SpaceHeight(12),
+                  const SpaceHeight(12),
                   BlocBuilder<
                     PaymentMethodLoaderBloc,
                     PaymentMethodLoaderState
                   >(
                     builder: (context, pmState) {
                       if (pmState.isFetching) {
-                        return Center(child: LoaderWithText());
+                        return const Center(child: LoaderWithText());
                       }
                       return pmState.failureOption.fold(
                         () => Wrap(
@@ -129,7 +129,7 @@ class _PaymentRightPanelState extends State<PaymentRightPanel> {
                       );
                     },
                   ),
-                  SpaceHeight(24),
+                  const SpaceHeight(24),
                   if (widget.state.paymentMethod != null &&
                       widget.state.paymentMethod!.type == 'cash')
                     Column(
@@ -233,7 +233,7 @@ class _PaymentRightPanelState extends State<PaymentRightPanel> {
                   );
                 } else {
                   context.read<PaymentFormBloc>().add(
-                    PaymentFormEvent.submitted(),
+                    const PaymentFormEvent.submitted(),
                   );
                 }
               }