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/services/equipment_history_service.dart

@@ -0,0 +1,123 @@
+import 'package:get_it/get_it.dart';
+import 'package:superport/core/errors/exceptions.dart';
+import 'package:superport/core/errors/failures.dart';
+import 'package:superport/data/models/equipment_history_dto.dart';
+import 'package:superport/data/models/stock_status_dto.dart';
+import 'package:superport/data/repositories/equipment_history_repository.dart';
+
+/// Equipment History Service - 입출고 및 재고 관리 비즈니스 로직 담당
+class EquipmentHistoryService {
+  final EquipmentHistoryRepository _repository = GetIt.instance<EquipmentHistoryRepository>();
+
+  /// 재고 현황 조회 (핵심 기능)
+  Future<List<StockStatusDto>> getStockStatus() async {
+    try {
+      return await _repository.getStockStatus();
+    } on ServerException catch (e) {
+      throw ServerFailure(message: e.message);
+    } catch (e) {
+      throw ServerFailure(message: 'Failed to fetch stock status: $e');
+    }
+  }
+
+  /// 장비별 이력 조회
+  Future<List<EquipmentHistoryDto>> getEquipmentHistoriesByEquipmentId(int equipmentId) async {
+    try {
+      return await _repository.getEquipmentHistoriesByEquipmentId(equipmentId);
+    } on ServerException catch (e) {
+      throw ServerFailure(message: e.message);
+    } catch (e) {
+      throw ServerFailure(message: 'Failed to fetch equipment histories: $e');
+    }
+  }
+
+  /// 입고 처리
+  Future<EquipmentHistoryDto> createStockIn({
+    required int equipmentsId,
+    required int warehousesId,
+    required int quantity,
+    DateTime? transactedAt,
+    String? remark,
+  }) async {
+    try {
+      return await _repository.createStockIn(
+        equipmentsId: equipmentsId,
+        warehousesId: warehousesId,
+        quantity: quantity,
+        transactedAt: transactedAt,
+        remark: remark,
+      );
+    } on ServerException catch (e) {
+      throw ServerFailure(message: e.message);
+    } catch (e) {
+      throw ServerFailure(message: 'Failed to create stock in: $e');
+    }
+  }
+
+  /// 출고 처리
+  Future<EquipmentHistoryDto> createStockOut({
+    required int equipmentsId,
+    required int warehousesId,
+    required int quantity,
+    DateTime? transactedAt,
+    String? remark,
+  }) async {
+    try {
+      return await _repository.createStockOut(
+        equipmentsId: equipmentsId,
+        warehousesId: warehousesId,
+        quantity: quantity,
+        transactedAt: transactedAt,
+        remark: remark,
+      );
+    } on ServerException catch (e) {
+      throw ServerFailure(message: e.message);
+    } catch (e) {
+      throw ServerFailure(message: 'Failed to create stock out: $e');
+    }
+  }
+
+  /// 장비 이력 생성 (범용)
+  Future<EquipmentHistoryDto> createEquipmentHistory(EquipmentHistoryRequestDto request) async {
+    try {
+      return await _repository.createEquipmentHistory(request);
+    } on ServerException catch (e) {
+      throw ServerFailure(message: e.message);
+    } catch (e) {
+      throw ServerFailure(message: 'Failed to create equipment history: $e');
+    }
+  }
+
+  /// 장비 이력 수정
+  Future<EquipmentHistoryDto> updateEquipmentHistory(int id, EquipmentHistoryUpdateRequestDto request) async {
+    try {
+      return await _repository.updateEquipmentHistory(id, request);
+    } on ServerException catch (e) {
+      throw ServerFailure(message: e.message);
+    } catch (e) {
+      throw ServerFailure(message: 'Failed to update equipment history: $e');
+    }
+  }
+
+  /// 장비 이력 삭제
+  Future<void> deleteEquipmentHistory(int id) async {
+    try {
+      await _repository.deleteEquipmentHistory(id);
+    } on ServerException catch (e) {
+      throw ServerFailure(message: e.message);
+    } catch (e) {
+      throw ServerFailure(message: 'Failed to delete equipment history: $e');
+    }
+  }
+
+  /// 장비 이력 상세 조회
+  Future<EquipmentHistoryDto> getEquipmentHistoryById(int id) async {
+    try {
+      return await _repository.getEquipmentHistoryById(id);
+    } on ServerException catch (e) {
+      throw ServerFailure(message: e.message);
+    } catch (e) {
+      throw ServerFailure(message: 'Failed to fetch equipment history detail: $e');
+    }
+  }
+}