feat: add payment card grouping and analysis

lib/screens/sms_scan_screen.dart

@@ -6,6 +6,9 @@ import '../widgets/sms_scan/scan_progress_widget.dart';
 import '../widgets/sms_scan/subscription_card_widget.dart';
 import '../widgets/common/snackbar/app_snackbar.dart';
 import '../l10n/app_localizations.dart';
+import '../widgets/payment_card/payment_card_form_sheet.dart';
+import '../routes/app_routes.dart';
+import '../models/payment_card_suggestion.dart';
 
 class SmsScanScreen extends StatefulWidget {
   const SmsScanScreen({super.key});
@@ -96,8 +99,23 @@ class _SmsScanScreenState extends State<SmsScanScreen> {
           websiteUrlController: _controller.websiteUrlController,
           selectedCategoryId: _controller.selectedCategoryId,
           onCategoryChanged: _controller.setSelectedCategoryId,
+          selectedPaymentCardId: _controller.selectedPaymentCardId,
+          onPaymentCardChanged: _controller.setSelectedPaymentCardId,
+          onAddCard: () async {
+            final newCardId = await PaymentCardFormSheet.show(context);
+            if (newCardId != null) {
+              _controller.setSelectedPaymentCardId(newCardId);
+            }
+          },
+          onManageCards: () {
+            Navigator.of(context).pushNamed(AppRoutes.paymentCardManagement);
+          },
           onAdd: _handleAddSubscription,
           onSkip: _handleSkipSubscription,
+          detectedCardSuggestion: _controller.currentSuggestion,
+          showDetectedCardShortcut: _controller.shouldSuggestCardCreation,
+          onAddDetectedCard: (suggestion) =>
+              _handleDetectedCardCreation(suggestion),
         ),
       ],
     );
@@ -114,6 +132,18 @@ class _SmsScanScreenState extends State<SmsScanScreen> {
     WidgetsBinding.instance.addPostFrameCallback((_) => _scrollToTop());
   }
 
+  Future<void> _handleDetectedCardCreation(
+      PaymentCardSuggestion suggestion) async {
+    final newCardId = await PaymentCardFormSheet.show(
+      context,
+      initialIssuerName: suggestion.issuerName,
+      initialLast4: suggestion.last4,
+    );
+    if (newCardId != null) {
+      _controller.setSelectedPaymentCardId(newCardId);
+    }
+  }
+
   void _scrollToTop() {
     if (!_scrollController.hasClients) return;
     _scrollController.animateTo(