feat: direct call download api by cgo dart

ui/flutter/lib/api/native/model/invoke_request.g.dart

@@ -0,0 +1,22 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'invoke_request.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+InvokeRequest _$InvokeRequestFromJson(Map<String, dynamic> json) =>
+    InvokeRequest(
+      method: json['method'] as String? ?? '',
+      params: (json['params'] as List<dynamic>?)
+              ?.map((e) => e as String)
+              .toList() ??
+          const [],
+    );
+
+Map<String, dynamic> _$InvokeRequestToJson(InvokeRequest instance) =>
+    <String, dynamic>{
+      'method': instance.method,
+      'params': instance.params,
+    };