fix(integration): simplify manual DingTalk sync setup

apps/admin/src/pages/IntegrationConfig/integration-config-form.integration.test.ts

@@ -0,0 +1,26 @@
+import { describe, expect, it } from 'vitest';
+import {
+  buildDingTalkConfigPayload,
+  isAppSecretRequired,
+} from './integration-config-form';
+
+describe('DingTalk integration config form', () => {
+  it('requires AppSecret only for the first configuration', () => {
+    expect(isAppSecretRequired(false)).toBe(true);
+    expect(isAppSecretRequired(true)).toBe(false);
+  });
+
+  it('builds a manual-sync config without the retired startEnable flag', () => {
+    expect(
+      buildDingTalkConfigPayload({
+        corpId: 'ding-corp',
+        agentId: 'app-key',
+        appSecret: '',
+      }),
+    ).toEqual({
+      corpId: 'ding-corp',
+      agentId: 'app-key',
+      appSecret: undefined,
+    });
+  });
+});