feat: 장비 관리 기능 강화 및 이력 추적 개선

- EquipmentHistoryDto 모델 확장 (상세 정보 추가)
- 장비 이력 화면 UI/UX 개선
- 장비 입고 폼 검증 로직 강화
- 테스트 이력 화면 추가
- API 응답 처리 개선

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

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

lib/data/datasources/remote/equipment_remote_datasource.dart

@@ -224,18 +224,73 @@ class EquipmentRemoteDataSourceImpl implements EquipmentRemoteDataSource {
         'per_page': perPage,
       };
 
+      print('[API] Requesting equipment history: ${ApiEndpoints.equipment}/$equipmentId/history');
+      print('[API] Query params: $queryParams');
+
       final response = await _apiClient.get(
         '${ApiEndpoints.equipment}/$equipmentId/history',
         queryParameters: queryParams,
       );
 
-      if (response.data['success'] == true && response.data['data'] != null) {
-        final List<dynamic> data = response.data['data'];
-        return data.map((json) => EquipmentHistoryDto.fromJson(json)).toList();
+      print('[API] Response status: ${response.statusCode}');
+      print('[API] Response data type: ${response.data.runtimeType}');
+      print('[API] Full response: ${response.data}');
+
+      // API 응답 구조 확인
+      if (response.data == null) {
+        print('[API ERROR] Response data is null');
+        throw ServerException(message: 'Empty response from server');
+      }
+
+      // 응답이 Map인지 확인
+      if (response.data is! Map) {
+        print('[API ERROR] Response is not a Map: ${response.data.runtimeType}');
+        throw ServerException(message: 'Invalid response format');
+      }
+
+      // success 필드 확인
+      final success = response.data['success'];
+      print('[API] Success field: $success');
+
+      if (success == true) {
+        final responseData = response.data['data'];
+        print('[API] Data field type: ${responseData?.runtimeType}');
+        
+        if (responseData == null) {
+          print('[API] No data field, returning empty list');
+          return [];
+        }
+        
+        if (responseData is! List) {
+          print('[API ERROR] Data is not a List: ${responseData.runtimeType}');
+          throw ServerException(message: 'Invalid data format');
+        }
+        
+        final List<dynamic> data = responseData;
+        print('[API] History data count: ${data.length}');
+        
+        if (data.isEmpty) {
+          print('[API] Empty history data');
+          return [];
+        }
+        
+        print('[API] First history item: ${data.first}');
+        
+        try {
+          final histories = data.map((json) {
+            print('[API] Parsing history item: $json');
+            return EquipmentHistoryDto.fromJson(json);
+          }).toList();
+          print('[API] Successfully parsed ${histories.length} history items');
+          return histories;
+        } catch (e) {
+          print('[API ERROR] Failed to parse history data: $e');
+          throw ServerException(message: 'Failed to parse history data: $e');
+        }
       } else {
-        throw ServerException(
-          message: response.data['message'] ?? 'Failed to fetch equipment history',
-        );
+        final errorMessage = response.data['message'] ?? response.data['error'] ?? 'Failed to fetch equipment history';
+        print('[API ERROR] Request failed: $errorMessage');
+        throw ServerException(message: errorMessage);
       }
     } on DioException catch (e) {
       throw ServerException(