feat: 결재·마스터 실연동 업데이트

lib/features/approvals/data/dtos/approval_proceed_status_dto.dart

@@ -0,0 +1,28 @@
+import '../../domain/entities/approval_proceed_status.dart';
+
+/// 결재 진행 가능 여부(can-proceed) 응답 DTO.
+class ApprovalProceedStatusDto {
+  ApprovalProceedStatusDto({
+    required this.approvalId,
+    required this.canProceed,
+    this.reason,
+  });
+
+  final int approvalId;
+  final bool canProceed;
+  final String? reason;
+
+  factory ApprovalProceedStatusDto.fromJson(Map<String, dynamic> json) {
+    return ApprovalProceedStatusDto(
+      approvalId: json['id'] as int? ?? json['approval_id'] as int? ?? 0,
+      canProceed: json['can_proceed'] as bool? ?? false,
+      reason: json['reason'] as String?,
+    );
+  }
+
+  ApprovalProceedStatus toEntity() => ApprovalProceedStatus(
+        approvalId: approvalId,
+        canProceed: canProceed,
+        reason: reason,
+      );
+}