Initial commit: SubManager Flutter App

주요 구현 완료 기능:
- 구독 관리 (추가/편집/삭제/카테고리 분류)
- 이벤트 할인 시스템 (기본값 자동 설정)
- SMS 자동 스캔 및 구독 정보 추출
- 알림 시스템 (타임존 처리 안정화)
- 환율 변환 지원 (KRW/USD)
- 반응형 UI 및 애니메이션
- 다국어 지원 (한국어/영어)

버그 수정:
- NotificationService tz.local 초기화 오류 해결
- MainScreenSummaryCard 레이아웃 오버플로우 수정
- 구독 추가 시 LateInitializationError 완전 해결

🤖 Generated with Claude Code

Co-Authored-By: Claude <noreply@anthropic.com>

lib/models/subscription_model.g.dart

@@ -0,0 +1,83 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'subscription_model.dart';
+
+// **************************************************************************
+// TypeAdapterGenerator
+// **************************************************************************
+
+class SubscriptionModelAdapter extends TypeAdapter<SubscriptionModel> {
+  @override
+  final int typeId = 0;
+
+  @override
+  SubscriptionModel read(BinaryReader reader) {
+    final numOfFields = reader.readByte();
+    final fields = <int, dynamic>{
+      for (int i = 0; i < numOfFields; i++) reader.readByte(): reader.read(),
+    };
+    return SubscriptionModel(
+      id: fields[0] as String,
+      serviceName: fields[1] as String,
+      monthlyCost: fields[2] as double,
+      billingCycle: fields[3] as String,
+      nextBillingDate: fields[4] as DateTime,
+      isAutoDetected: fields[5] as bool,
+      categoryId: fields[6] as String?,
+      websiteUrl: fields[7] as String?,
+      repeatCount: fields[8] as int,
+      lastPaymentDate: fields[9] as DateTime?,
+      currency: fields[10] as String,
+      isEventActive: fields[11] as bool,
+      eventStartDate: fields[12] as DateTime?,
+      eventEndDate: fields[13] as DateTime?,
+      eventPrice: fields[14] as double?,
+    );
+  }
+
+  @override
+  void write(BinaryWriter writer, SubscriptionModel obj) {
+    writer
+      ..writeByte(15)
+      ..writeByte(0)
+      ..write(obj.id)
+      ..writeByte(1)
+      ..write(obj.serviceName)
+      ..writeByte(2)
+      ..write(obj.monthlyCost)
+      ..writeByte(3)
+      ..write(obj.billingCycle)
+      ..writeByte(4)
+      ..write(obj.nextBillingDate)
+      ..writeByte(5)
+      ..write(obj.isAutoDetected)
+      ..writeByte(6)
+      ..write(obj.categoryId)
+      ..writeByte(7)
+      ..write(obj.websiteUrl)
+      ..writeByte(8)
+      ..write(obj.repeatCount)
+      ..writeByte(9)
+      ..write(obj.lastPaymentDate)
+      ..writeByte(10)
+      ..write(obj.currency)
+      ..writeByte(11)
+      ..write(obj.isEventActive)
+      ..writeByte(12)
+      ..write(obj.eventStartDate)
+      ..writeByte(13)
+      ..write(obj.eventEndDate)
+      ..writeByte(14)
+      ..write(obj.eventPrice);
+  }
+
+  @override
+  int get hashCode => typeId.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is SubscriptionModelAdapter &&
+          runtimeType == other.runtimeType &&
+          typeId == other.typeId;
+}