결재 단계 편집 다이얼로그 구현

lib/features/approvals/history/domain/entities/approval_history_record.dart

@@ -0,0 +1,56 @@
+import '../../../domain/entities/approval.dart';
+
+/// 결재 이력 레코드
+///
+/// - 결재별 단계 변경 로그를 목록 화면에서 표시하기 위한 모델이다.
+class ApprovalHistoryRecord {
+  ApprovalHistoryRecord({
+    required this.id,
+    required this.approvalId,
+    required this.approvalNo,
+    this.stepOrder,
+    required this.action,
+    this.fromStatus,
+    required this.toStatus,
+    required this.approver,
+    required this.actionAt,
+    this.note,
+  });
+
+  final int id;
+  final int approvalId;
+  final String approvalNo;
+  final int? stepOrder;
+  final ApprovalAction action;
+  final ApprovalStatus? fromStatus;
+  final ApprovalStatus toStatus;
+  final ApprovalApprover approver;
+  final DateTime actionAt;
+  final String? note;
+
+  ApprovalHistoryRecord copyWith({
+    int? id,
+    int? approvalId,
+    String? approvalNo,
+    int? stepOrder,
+    ApprovalAction? action,
+    ApprovalStatus? fromStatus,
+    ApprovalStatus? toStatus,
+    ApprovalApprover? approver,
+    DateTime? actionAt,
+    String? note,
+  }) {
+    return ApprovalHistoryRecord(
+      id: id ?? this.id,
+      approvalId: approvalId ?? this.approvalId,
+      approvalNo: approvalNo ?? this.approvalNo,
+      stepOrder: stepOrder ?? this.stepOrder,
+      action: action ?? this.action,
+      fromStatus: fromStatus ?? this.fromStatus,
+      toStatus: toStatus ?? this.toStatus,
+      approver: approver ?? this.approver,
+      actionAt: actionAt ?? this.actionAt,
+      note: note ?? this.note,
+    );
+  }
+}

lib/features/approvals/history/domain/repositories/approval_history_repository.dart

@@ -0,0 +1,14 @@
+import 'package:superport_v2/core/common/models/paginated_result.dart';
+
+import '../entities/approval_history_record.dart';
+
+abstract class ApprovalHistoryRepository {
+  Future<PaginatedResult<ApprovalHistoryRecord>> list({
+    int page = 1,
+    int pageSize = 20,
+    String? query,
+    String? action,
+    DateTime? from,
+    DateTime? to,
+  });
+}