Merge commit 'e5d30a9f6d0854e20049309333c2f637cd03025c' as 'frontend'

frontend/lib/models/step.dart

@@ -0,0 +1,49 @@
+// TODO: Refactor this to match which values are required and optional
+class Step {
+  final String input;
+  final Map<String, dynamic> additionalInput;
+  final String taskId;
+  final String stepId;
+  final String name;
+  final String status;
+  final String output;
+  final Map<String, dynamic> additionalOutput;
+  final List<dynamic> artifacts;
+  final bool isLast;
+
+  Step({
+    required this.input,
+    required this.additionalInput,
+    required this.taskId,
+    required this.stepId,
+    required this.name,
+    required this.status,
+    required this.output,
+    required this.additionalOutput,
+    required this.artifacts,
+    required this.isLast,
+  });
+
+  factory Step.fromMap(Map<String, dynamic>? map) {
+    if (map == null) {
+      throw ArgumentError('Null map provided to Step.fromMap');
+    }
+    return Step(
+      input: map['input'] ?? '',
+      additionalInput: map['additional_input'] != null
+          ? Map<String, dynamic>.from(map['additional_input'])
+          : {},
+      taskId: map['task_id'] ?? '',
+      stepId: map['step_id'] ?? '',
+      name: map['name'] ?? '',
+      status: map['status'] ?? '',
+      output: map['output'] ?? '',
+      additionalOutput: map['additional_output'] != null
+          ? Map<String, dynamic>.from(map['additional_output'])
+          : {},
+      artifacts:
+          map['artifacts'] != null ? List<dynamic>.from(map['artifacts']) : [],
+      isLast: map['is_last'] ?? false,
+    );
+  }
+}