feat(n8n-runner): support async response handling (#2487)

* feat(n8n-runner): support async response handling

* fix(n8n-runner): expose response handling in form

* fix(n8n-runner): preserve async response semantics

---------

Co-authored-by: dadachann <185672915+dadachann@users.noreply.github.com>

web/src/app/home/components/dynamic-form/N8nAuthFieldVisibility.ts

@@ -0,0 +1,22 @@
+const COMMON_N8N_CONFIG_FIELDS = new Set([
+  'webhook-url',
+  'auth-type',
+  'timeout',
+  'output-key',
+  'response-handling',
+]);
+
+export function shouldShowN8nConfigField(
+  fieldName: string,
+  authType: string,
+): boolean {
+  if (COMMON_N8N_CONFIG_FIELDS.has(fieldName)) {
+    return true;
+  }
+
+  return (
+    (authType === 'basic' && fieldName.startsWith('basic-')) ||
+    (authType === 'jwt' && fieldName.startsWith('jwt-')) ||
+    (authType === 'header' && fieldName.startsWith('header-'))
+  );
+}

web/src/app/home/components/dynamic-form/N8nAuthFormComponent.tsx

@@ -13,6 +13,7 @@ import {
 import { IDynamicFormItemSchema } from '@/app/infra/entities/form/dynamic';
 import DynamicFormItemComponent from '@/app/home/components/dynamic-form/DynamicFormItemComponent';
 import { normalizeDynamicFormValuesForSave } from '@/app/home/components/dynamic-form/DynamicFormSaveValues';
+import { shouldShowN8nConfigField } from '@/app/home/components/dynamic-form/N8nAuthFieldVisibility';
 import { extractI18nObject } from '@/i18n/I18nProvider';
 
 /**
@@ -181,29 +182,9 @@ export default function N8nAuthFormComponent({
   }, [form, itemConfigList]);
 
   // 根据认证类型过滤表单项
-  const filteredConfigList = itemConfigList.filter((config) => {
-    // 始终显示webhook-url、auth-type、timeout和output-key
-    if (
-      ['webhook-url', 'auth-type', 'timeout', 'output-key'].includes(
-        config.name,
-      )
-    ) {
-      return true;
-    }
-
-    // 根据认证类型显示相应的表单项
-    if (authType === 'basic' && config.name.startsWith('basic-')) {
-      return true;
-    }
-    if (authType === 'jwt' && config.name.startsWith('jwt-')) {
-      return true;
-    }
-    if (authType === 'header' && config.name.startsWith('header-')) {
-      return true;
-    }
-
-    return false;
-  });
+  const filteredConfigList = itemConfigList.filter((config) =>
+    shouldShowN8nConfigField(config.name, authType),
+  );
 
   return (
     <Form {...form}>

web/tests/unit/n8n-auth-field-visibility.test.mjs

@@ -0,0 +1,52 @@
+import assert from 'node:assert/strict';
+import fs from 'node:fs';
+import path from 'node:path';
+import test from 'node:test';
+import ts from 'typescript';
+import { fileURLToPath } from 'node:url';
+
+const currentDirectory = path.dirname(fileURLToPath(import.meta.url));
+const sourcePath = path.resolve(
+  currentDirectory,
+  '../../src/app/home/components/dynamic-form/N8nAuthFieldVisibility.ts',
+);
+
+function loadVisibilityPolicy() {
+  const source = fs.readFileSync(sourcePath, 'utf8');
+  const compiled = ts.transpileModule(source, {
+    compilerOptions: { module: ts.ModuleKind.CommonJS },
+  }).outputText;
+  const loadedModule = { exports: {} };
+  new Function('require', 'module', 'exports', compiled)(
+    () => {
+      throw new Error('N8nAuthFieldVisibility must not have runtime imports');
+    },
+    loadedModule,
+    loadedModule.exports,
+  );
+  return loadedModule.exports;
+}
+
+test('shows response handling with the other common n8n fields', () => {
+  const { shouldShowN8nConfigField } = loadVisibilityPolicy();
+
+  for (const field of [
+    'webhook-url',
+    'auth-type',
+    'timeout',
+    'output-key',
+    'response-handling',
+  ]) {
+    assert.equal(shouldShowN8nConfigField(field, 'none'), true, field);
+  }
+});
+
+test('shows only fields for the selected n8n authentication method', () => {
+  const { shouldShowN8nConfigField } = loadVisibilityPolicy();
+
+  assert.equal(shouldShowN8nConfigField('basic-username', 'basic'), true);
+  assert.equal(shouldShowN8nConfigField('basic-password', 'jwt'), false);
+  assert.equal(shouldShowN8nConfigField('jwt-secret', 'jwt'), true);
+  assert.equal(shouldShowN8nConfigField('header-name', 'header'), true);
+  assert.equal(shouldShowN8nConfigField('unrelated-field', 'none'), false);
+});