i8n과 광고 수정

lib/services/sms_service.dart

@@ -2,6 +2,8 @@ import 'package:flutter/foundation.dart' show kIsWeb;
 import 'package:flutter/services.dart';
 import 'package:permission_handler/permission_handler.dart' as permission;
 import '../utils/platform_helper.dart';
+import '../l10n/app_localizations.dart';
+import '../navigator_key.dart';
 
 class SMSService {
   static const platform = MethodChannel('com.submanager/sms');
@@ -37,14 +39,24 @@ class SMSService {
 
     try {
       if (!await hasSMSPermission()) {
-        throw Exception('SMS 권한이 없습니다.');
+        final loc = _loc();
+        throw Exception(
+            loc?.smsPermissionRequired ?? 'SMS permission required.');
       }
 
       final List<dynamic> result =
           await platform.invokeMethod('scanSubscriptions');
       return result.map((item) => item as Map<String, dynamic>).toList();
     } on PlatformException catch (e) {
-      throw Exception('SMS 스캔 중 오류 발생: ${e.message}');
+      final loc = _loc();
+      throw Exception(loc?.smsScanErrorWithMessage(e.message ?? '') ??
+          'Error occurred during SMS scan: ${e.message}');
     }
   }
+
+  static AppLocalizations? _loc() {
+    final ctx = navigatorKey.currentContext;
+    if (ctx == null) return null;
+    return AppLocalizations.of(ctx);
+  }
 }