결재 단계 편집 다이얼로그 구현

lib/features/approvals/step/presentation/controllers/approval_step_controller.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/foundation.dart';
 import 'package:superport_v2/core/common/models/paginated_result.dart';
 
+import '../../domain/entities/approval_step_input.dart';
 import '../../domain/entities/approval_step_record.dart';
 import '../../domain/repositories/approval_step_repository.dart';
 
@@ -12,6 +13,7 @@ class ApprovalStepController extends ChangeNotifier {
 
   PaginatedResult<ApprovalStepRecord>? _result;
   bool _isLoading = false;
+  bool _isSaving = false;
   String _query = '';
   int? _statusId;
   int? _approverId;
@@ -21,6 +23,7 @@ class ApprovalStepController extends ChangeNotifier {
 
   PaginatedResult<ApprovalStepRecord>? get result => _result;
   bool get isLoading => _isLoading;
+  bool get isSaving => _isSaving;
   String get query => _query;
   int? get statusId => _statusId;
   int? get approverId => _approverId;
@@ -101,4 +104,43 @@ class ApprovalStepController extends ChangeNotifier {
     _approverId = null;
     notifyListeners();
   }
+
+  Future<ApprovalStepRecord?> createStep(ApprovalStepInput input) async {
+    _isSaving = true;
+    _errorMessage = null;
+    notifyListeners();
+    try {
+      final created = await _repository.create(input);
+      final nextPage = _result?.page ?? 1;
+      await fetch(page: nextPage);
+      return created;
+    } catch (e) {
+      _errorMessage = e.toString();
+      return null;
+    } finally {
+      _isSaving = false;
+      notifyListeners();
+    }
+  }
+
+  Future<ApprovalStepRecord?> updateStep(
+    int id,
+    ApprovalStepInput input,
+  ) async {
+    _isSaving = true;
+    _errorMessage = null;
+    notifyListeners();
+    try {
+      final updated = await _repository.update(id, input);
+      final nextPage = _result?.page ?? 1;
+      await fetch(page: nextPage);
+      return updated;
+    } catch (e) {
+      _errorMessage = e.toString();
+      return null;
+    } finally {
+      _isSaving = false;
+      notifyListeners();
+    }
+  }
 }