feat(app): seed restaurants, geocode addresses, refresh sharing

lib/data/sample/sample_data_initializer.dart

@@ -3,10 +3,16 @@ import 'package:lunchpick/core/constants/app_constants.dart';
 import 'package:lunchpick/domain/entities/restaurant.dart';
 import 'package:lunchpick/domain/entities/visit_record.dart';
 
+import 'store_dataset_seeder.dart';
 import 'manual_restaurant_samples.dart';
 
 /// 초기 구동 시 샘플 데이터를 채워 넣는 도우미
 class SampleDataInitializer {
+  static Future<void> seedInitialData() async {
+    await StoreDatasetSeeder().seedIfNeeded();
+    await seedManualRestaurantsIfNeeded();
+  }
+
   static Future<void> seedManualRestaurantsIfNeeded() async {
     final restaurantBox = Hive.box<Restaurant>(AppConstants.restaurantBox);
     final visitBox = Hive.box<VisitRecord>(AppConstants.visitRecordBox);