feat: Equipment DTO 호환성 수정 전 백업 커밋

- Equipment DTO 필드명 변경 (name → equipment_number 등) 완료
- Phase 1-7 파생 수정사항 체계적 진행 예정
- 통합 모델 정리, Controller 동기화, UI 업데이트 예정

🤖 Generated with [Claude Code](https://claude.ai/code)

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

lib/data/models/equipment/equipment_dto.dart

@@ -7,24 +7,22 @@ part 'equipment_dto.g.dart';
 class EquipmentDto with _$EquipmentDto {
   const factory EquipmentDto({
     required int id,
-    @JsonKey(name: 'serial_number') required String serialNumber,
-    required String name,
-    String? category,
-    String? manufacturer,
-    String? model,
+    @JsonKey(name: 'equipment_number') required String equipmentNumber,
+    @JsonKey(name: 'serial_number') String? serialNumber,
+    String? category1,
+    String? category2,
+    String? category3,
+    required String manufacturer,
+    @JsonKey(name: 'model_name') String? modelName,
+    String? barcode,
     required String status,
-    @JsonKey(name: 'company_id') required int companyId,
-    @JsonKey(name: 'company_name') String? companyName,
+    @JsonKey(name: 'company_id') int? companyId,
     @JsonKey(name: 'warehouse_location_id') int? warehouseLocationId,
-    @JsonKey(name: 'warehouse_name') String? warehouseName,
     @JsonKey(name: 'purchase_date') String? purchaseDate,
     @JsonKey(name: 'purchase_price') double? purchasePrice,
-    @JsonKey(name: 'current_value') double? currentValue,
-    @JsonKey(name: 'warranty_expiry') String? warrantyExpiry,
-    @JsonKey(name: 'last_maintenance_date') String? lastMaintenanceDate,
-    @JsonKey(name: 'next_maintenance_date') String? nextMaintenanceDate,
-    Map<String, dynamic>? specifications,
-    String? notes,
+    @JsonKey(name: 'last_inspection_date') String? lastInspectionDate,
+    @JsonKey(name: 'next_inspection_date') String? nextInspectionDate,
+    String? remark,
     @JsonKey(name: 'created_at') DateTime? createdAt,
     @JsonKey(name: 'updated_at') DateTime? updatedAt,
   }) = _EquipmentDto;