feat(app): add manual entry and sharing flows

lib/data/repositories/visit_repository_impl.dart

@@ -4,8 +4,8 @@ import 'package:lunchpick/domain/repositories/visit_repository.dart';
 
 class VisitRepositoryImpl implements VisitRepository {
   static const String _boxName = 'visit_records';
-  
-  Future<Box<VisitRecord>> get _box async => 
+
+  Future<Box<VisitRecord>> get _box async =>
       await Hive.openBox<VisitRecord>(_boxName);
 
   @override
@@ -17,7 +17,9 @@ class VisitRepositoryImpl implements VisitRepository {
   }
 
   @override
-  Future<List<VisitRecord>> getVisitRecordsByRestaurantId(String restaurantId) async {
+  Future<List<VisitRecord>> getVisitRecordsByRestaurantId(
+    String restaurantId,
+  ) async {
     final records = await getAllVisitRecords();
     return records.where((r) => r.restaurantId == restaurantId).toList();
   }
@@ -39,7 +41,9 @@ class VisitRepositoryImpl implements VisitRepository {
   }) async {
     final records = await getAllVisitRecords();
     return records.where((record) {
-      return record.visitDate.isAfter(startDate.subtract(const Duration(days: 1))) &&
+      return record.visitDate.isAfter(
+            startDate.subtract(const Duration(days: 1)),
+          ) &&
           record.visitDate.isBefore(endDate.add(const Duration(days: 1)));
     }).toList();
   }
@@ -93,7 +97,7 @@ class VisitRepositoryImpl implements VisitRepository {
   Future<DateTime?> getLastVisitDate(String restaurantId) async {
     final records = await getVisitRecordsByRestaurantId(restaurantId);
     if (records.isEmpty) return null;
-    
+
     // 이미 visitDate 기준으로 정렬되어 있으므로 첫 번째가 가장 최근
     return records.first.visitDate;
   }
@@ -102,7 +106,7 @@ class VisitRepositoryImpl implements VisitRepository {
   Future<Map<String, int>> getMonthlyVisitStats(int year, int month) async {
     final startDate = DateTime(year, month, 1);
     final endDate = DateTime(year, month + 1, 0); // 해당 월의 마지막 날
-    
+
     final records = await getVisitRecordsByDateRange(
       startDate: startDate,
       endDate: endDate,
@@ -113,7 +117,7 @@ class VisitRepositoryImpl implements VisitRepository {
       final dayKey = record.visitDate.day.toString();
       stats[dayKey] = (stats[dayKey] ?? 0) + 1;
     }
-    
+
     return stats;
   }
 
@@ -124,4 +128,4 @@ class VisitRepositoryImpl implements VisitRepository {
     // 여기서는 빈 Map 반환
     return {};
   }
-}
+}