사용하지 않는 파일 정리 전 백업 (Phase 10 완료 후 상태)

lib/data/models/zipcode_dto.dart

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+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'zipcode_dto.freezed.dart';
+part 'zipcode_dto.g.dart';
+
+@freezed
+class ZipcodeDto with _$ZipcodeDto {
+  const ZipcodeDto._(); // Private constructor for getters
+  
+  const factory ZipcodeDto({
+    required String zipcode,
+    required String sido,
+    required String gu,
+    @JsonKey(name: 'Etc') required String etc,
+    @JsonKey(name: 'is_deleted') 
+    @Default(false) bool isDeleted,
+    @JsonKey(name: 'created_at')
+    DateTime? createdAt,
+    @JsonKey(name: 'updated_at')
+    DateTime? updatedAt,
+  }) = _ZipcodeDto;
+
+  // isActive 계산 속성 (is_deleted의 반대)
+  bool get isActive => !isDeleted;
+
+  // 전체 주소 문자열 생성
+  String get fullAddress => '$sido $gu $etc';
+
+  // 축약된 주소 (시도 + 구)
+  String get shortAddress => '$sido $gu';
+
+  // 검색용 문자열 (모든 필드 결합)
+  String get searchableText => '$zipcode $sido $gu $etc';
+
+  factory ZipcodeDto.fromJson(Map<String, dynamic> json) => _$ZipcodeDtoFromJson(json);
+}
+
+// API 응답 래퍼
+@freezed
+class ZipcodeListResponse with _$ZipcodeListResponse {
+  const factory ZipcodeListResponse({
+    @JsonKey(name: 'data')
+    required List<ZipcodeDto> items,
+    @JsonKey(name: 'total')
+    required int totalCount,
+    @JsonKey(name: 'page')
+    required int currentPage,
+    @JsonKey(name: 'total_pages')
+    required int totalPages,
+    @JsonKey(name: 'page_size')
+    int? pageSize,
+  }) = _ZipcodeListResponse;
+
+  factory ZipcodeListResponse.fromJson(Map<String, dynamic> json) => 
+      _$ZipcodeListResponseFromJson(json);
+}