fix(ad): 스크린샷 모드에서 네이티브 광고 비활성화

lib/presentation/providers/recommendation_provider.dart

@@ -1,3 +1,5 @@
+import 'dart:math';
+
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:lunchpick/domain/entities/recommendation_record.dart';
 import 'package:lunchpick/domain/entities/restaurant.dart';
@@ -25,6 +27,76 @@ final todayRecommendationCountProvider = FutureProvider<int>((ref) async {
   return repository.getTodayRecommendationCount();
 });
 
+Future<bool> _isScreenshotModeEnabled(Ref ref) async {
+  try {
+    return await ref.read(screenshotModeEnabledProvider.future);
+  } catch (_) {
+    return false;
+  }
+}
+
+Restaurant _buildScreenshotRestaurant() {
+  final now = DateTime.now();
+  final random = Random();
+  final templates = [
+    (
+      id: 'screenshot-basil-bistro',
+      name: 'Basil Breeze Bistro',
+      category: '양식',
+      subCategory: '파스타 · 그릴',
+      description: '바질 향이 가득한 파스타와 스테이크를 즐길 수 있는 다이닝.',
+      phoneNumber: '02-1234-5678',
+      roadAddress: '서울 중구 세종대로 110',
+      jibunAddress: '서울 중구 태평로1가 31',
+      latitude: 37.5665,
+      longitude: 126.9780,
+    ),
+    (
+      id: 'screenshot-komorebi-sushi',
+      name: 'Komorebi Sushi',
+      category: '일식',
+      subCategory: '스시 · 사시미',
+      description: '제철 재료로 선보이는 오마카세 콘셉트 스시 바.',
+      phoneNumber: '02-2468-1357',
+      roadAddress: '서울 강남구 테헤란로 311',
+      jibunAddress: '서울 강남구 역삼동 647-9',
+      latitude: 37.5009,
+      longitude: 127.0365,
+    ),
+    (
+      id: 'screenshot-brunch-lab',
+      name: 'Sunny Brunch Lab',
+      category: '카페/디저트',
+      subCategory: '브런치 · 디저트',
+      description: '스크램블 에그와 시그니처 라떼가 인기인 브런치 카페.',
+      phoneNumber: '02-9753-8642',
+      roadAddress: '서울 마포구 독막로 12길 5',
+      jibunAddress: '서울 마포구 합정동 374-6',
+      latitude: 37.5509,
+      longitude: 126.9143,
+    ),
+  ];
+
+  final template = templates[random.nextInt(templates.length)];
+
+  return Restaurant(
+    id: '${template.id}-${now.millisecondsSinceEpoch}',
+    name: template.name,
+    category: template.category,
+    subCategory: template.subCategory,
+    description: template.description,
+    phoneNumber: template.phoneNumber,
+    roadAddress: template.roadAddress,
+    jibunAddress: template.jibunAddress,
+    latitude: template.latitude,
+    longitude: template.longitude,
+    source: DataSource.PRESET,
+    createdAt: now,
+    updatedAt: now,
+    needsAddressVerification: false,
+  );
+}
+
 /// 추천 설정 모델
 class RecommendationSettings {
   final int daysToExclude;
@@ -59,6 +131,13 @@ class RecommendationNotifier extends StateNotifier<AsyncValue<Restaurant?>> {
     state = const AsyncValue.loading();
 
     try {
+      final screenshotModeEnabled = await _isScreenshotModeEnabled(_ref);
+      if (screenshotModeEnabled) {
+        final mock = _buildScreenshotRestaurant();
+        state = AsyncValue.data(mock);
+        return mock;
+      }
+
       final selectedRestaurant = await _generateCandidate(
         maxDistance: maxDistance,
         selectedCategories: selectedCategories,
@@ -142,8 +221,19 @@ class RecommendationNotifier extends StateNotifier<AsyncValue<Restaurant?>> {
     DateTime? recommendationTime,
     bool visited = false,
   }) async {
+    final screenshotModeEnabled = await _isScreenshotModeEnabled(_ref);
     final now = DateTime.now();
 
+    if (screenshotModeEnabled) {
+      return RecommendationRecord(
+        id: 'screenshot-${now.millisecondsSinceEpoch}',
+        restaurantId: restaurant.id,
+        recommendationDate: recommendationTime ?? now,
+        visited: visited,
+        createdAt: now,
+      );
+    }
+
     final record = RecommendationRecord(
       id: const Uuid().v4(),
       restaurantId: restaurant.id,
@@ -258,6 +348,11 @@ class EnhancedRecommendationNotifier
   Future<void> rerollRecommendation() async {
     if (state.currentRecommendation == null) return;
 
+    if (await _isScreenshotModeEnabled(_ref)) {
+      await generateRecommendation();
+      return;
+    }
+
     // 현재 추천을 제외 목록에 추가
     final excluded = [
       ...state.excludedRestaurants,
@@ -276,6 +371,17 @@ class EnhancedRecommendationNotifier
     state = state.copyWith(isLoading: true);
 
     try {
+      if (await _isScreenshotModeEnabled(_ref)) {
+        final mock = _buildScreenshotRestaurant();
+        state = state.copyWith(
+          currentRecommendation: mock,
+          excludedRestaurants: const [],
+          isLoading: false,
+          error: null,
+        );
+        return;
+      }
+
       // 현재 위치 가져오기
       final location = await _ref.read(currentLocationProvider.future);
       if (location == null) {