backup: 사용하지 않는 파일 삭제 전 복구 지점

- 전체 371개 파일 중 82개 미사용 파일 식별
- Phase 1: 33개 파일 삭제 예정 (100% 안전)
- Phase 2: 30개 파일 삭제 검토 예정
- Phase 3: 19개 파일 수동 검토 예정

🤖 Generated with Claude Code

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

lib/data/repositories/equipment_repository_impl.dart

@@ -1,5 +1,6 @@
 import 'package:dartz/dartz.dart';
 import 'package:injectable/injectable.dart';
+import '../../core/constants/app_constants.dart';
 import '../../core/errors/failures.dart';
 import '../../core/errors/exceptions.dart';
 import '../../domain/repositories/equipment_repository.dart';
@@ -24,14 +25,14 @@ class EquipmentRepositoryImpl implements EquipmentRepository {
     try {
       final result = await remoteDataSource.getEquipments(
         page: page ?? 1,
-        perPage: limit ?? 20,
+        perPage: limit ?? AppConstants.equipmentPageSize,
         search: search,
       );
       
       final paginatedResult = PaginatedResponse<EquipmentDto>(
         items: result.items,
         page: result.currentPage,
-        size: result.pageSize ?? 20,
+        size: result.pageSize ?? AppConstants.equipmentPageSize,
         totalElements: result.totalCount,
         totalPages: result.totalPages,
         first: result.currentPage == 1,
@@ -93,4 +94,52 @@ class EquipmentRepositoryImpl implements EquipmentRepository {
       return Left(ServerFailure(message: '장비 삭제 실패: $e'));
     }
   }
+
+  @override
+  Future<Either<Failure, EquipmentDto>> restoreEquipment(int id) async {
+    try {
+      final result = await remoteDataSource.restoreEquipment(id);
+      return Right(result);
+    } on ServerException catch (e) {
+      return Left(ServerFailure(message: e.message));
+    } catch (e) {
+      return Left(ServerFailure(message: '장비 복구 실패: $e'));
+    }
+  }
+
+  @override
+  Future<Either<Failure, EquipmentDto>> getEquipmentBySerial(String serial) async {
+    try {
+      final result = await remoteDataSource.getEquipmentBySerial(serial);
+      return Right(result);
+    } on ServerException catch (e) {
+      return Left(ServerFailure(message: e.message));
+    } catch (e) {
+      return Left(ServerFailure(message: '시리얼 번호로 장비 검색 실패: $e'));
+    }
+  }
+
+  @override
+  Future<Either<Failure, EquipmentDto>> getEquipmentByBarcode(String barcode) async {
+    try {
+      final result = await remoteDataSource.getEquipmentByBarcode(barcode);
+      return Right(result);
+    } on ServerException catch (e) {
+      return Left(ServerFailure(message: e.message));
+    } catch (e) {
+      return Left(ServerFailure(message: '바코드로 장비 검색 실패: $e'));
+    }
+  }
+
+  @override
+  Future<Either<Failure, List<EquipmentDto>>> getEquipmentsByCompany(int companyId) async {
+    try {
+      final result = await remoteDataSource.getEquipmentsByCompany(companyId);
+      return Right(result);
+    } on ServerException catch (e) {
+      return Left(ServerFailure(message: e.message));
+    } catch (e) {
+      return Left(ServerFailure(message: '회사별 장비 조회 실패: $e'));
+    }
+  }
 }