feat: improve sms scan review and detail layouts

lib/widgets/sms_scan/subscription_card_widget.dart

@@ -19,6 +19,7 @@ import '../../l10n/app_localizations.dart';
 
 class SubscriptionCardWidget extends StatefulWidget {
   final Subscription subscription;
+  final TextEditingController serviceNameController;
   final TextEditingController websiteUrlController;
   final String? selectedCategoryId;
   final Function(String?) onCategoryChanged;
@@ -32,10 +33,13 @@ class SubscriptionCardWidget extends StatefulWidget {
   final bool showDetectedCardShortcut;
   final Future<void> Function(PaymentCardSuggestion suggestion)?
       onAddDetectedCard;
+  final bool enableServiceNameEditing;
+  final ValueChanged<String>? onServiceNameChanged;
 
   const SubscriptionCardWidget({
     super.key,
     required this.subscription,
+    required this.serviceNameController,
     required this.websiteUrlController,
     this.selectedCategoryId,
     required this.onCategoryChanged,
@@ -48,6 +52,8 @@ class SubscriptionCardWidget extends StatefulWidget {
     this.detectedCardSuggestion,
     this.showDetectedCardShortcut = false,
     this.onAddDetectedCard,
+    this.enableServiceNameEditing = false,
+    this.onServiceNameChanged,
   });
 
   @override
@@ -84,6 +90,12 @@ class _SubscriptionCardWidgetState extends State<SubscriptionCardWidget> {
         // 광고 위젯 추가
         const NativeAdWidget(key: ValueKey('sms_scan_result_ad')),
         const SizedBox(height: 16),
+        if (_hasRawSmsMessage)
+          Padding(
+            padding: const EdgeInsets.symmetric(horizontal: 16.0),
+            child: _buildSmsPreviewCard(context),
+          ),
+        if (_hasRawSmsMessage) const SizedBox(height: 16),
         Padding(
           padding: const EdgeInsets.symmetric(horizontal: 16.0),
           child: Column(
@@ -143,6 +155,75 @@ class _SubscriptionCardWidgetState extends State<SubscriptionCardWidget> {
     );
   }
 
+  bool get _hasRawSmsMessage {
+    return widget.subscription.rawMessage != null &&
+        widget.subscription.rawMessage!.trim().isNotEmpty;
+  }
+
+  Widget _buildSmsPreviewCard(BuildContext context) {
+    final theme = Theme.of(context);
+    final loc = AppLocalizations.of(context);
+    final rawMessage = widget.subscription.rawMessage?.trim() ?? '';
+    final lastDate = widget.subscription.lastPaymentDate;
+
+    return Card(
+      elevation: 0,
+      color: theme.colorScheme.surfaceContainerHighest.withValues(alpha: 0.4),
+      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
+      child: Padding(
+        padding: const EdgeInsets.all(16.0),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Row(
+              children: [
+                Icon(Icons.sms_outlined, color: theme.colorScheme.primary),
+                const SizedBox(width: 8),
+                Expanded(
+                  child: Column(
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: [
+                      ThemedText(
+                        loc.latestSmsMessage,
+                        fontWeight: FontWeight.bold,
+                      ),
+                      if (lastDate != null)
+                        ThemedText(
+                          loc.smsDetectedDate(loc.formatDate(lastDate)),
+                          opacity: 0.7,
+                          fontSize: 13,
+                        ),
+                    ],
+                  ),
+                ),
+              ],
+            ),
+            const SizedBox(height: 12),
+            Container(
+              width: double.infinity,
+              decoration: BoxDecoration(
+                color: theme.colorScheme.surface,
+                borderRadius: BorderRadius.circular(12),
+                border: Border.all(
+                  color: theme.colorScheme.outline.withValues(alpha: 0.3),
+                ),
+              ),
+              padding: const EdgeInsets.all(12),
+              child: SelectableText(
+                rawMessage,
+                style: TextStyle(
+                  fontSize: 15,
+                  height: 1.4,
+                  color: theme.colorScheme.onSurface,
+                ),
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
   // 정보 섹션 (클릭 가능)
   Widget _buildInfoSection(CategoryProvider categoryProvider) {
     return Column(
@@ -162,11 +243,20 @@ class _SubscriptionCardWidgetState extends State<SubscriptionCardWidget> {
           opacity: 0.7,
         ),
         const SizedBox(height: 4),
-        ThemedText(
-          widget.subscription.serviceName,
-          fontSize: 22,
-          fontWeight: FontWeight.bold,
-        ),
+        if (widget.enableServiceNameEditing)
+          BaseTextField(
+            controller: widget.serviceNameController,
+            hintText: AppLocalizations.of(context).serviceNameRequired,
+            onChanged: widget.onServiceNameChanged,
+            textInputAction: TextInputAction.done,
+            maxLines: 1,
+          )
+        else
+          ThemedText(
+            widget.subscription.serviceName,
+            fontSize: 22,
+            fontWeight: FontWeight.bold,
+          ),
         const SizedBox(height: 16),
 
         // 금액 및 결제 주기