Add unified IM channel plugin

test/client-ui.test.mjs

@@ -0,0 +1,25 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+
+import React from 'react';
+import { renderToStaticMarkup } from 'react-dom/server';
+
+import { IMSettingsTab } from '../plugin-src/client/index.js';
+
+test('IM settings renders two logo channel tabs without enable switches', () => {
+  const markup = renderToStaticMarkup(React.createElement(IMSettingsTab, {
+    feishuRpcCall: async () => ({ ok: true, value: {} }),
+    weixinRpcCall: async () => ({ ok: true, value: {} }),
+  }));
+
+  assert.match(markup, /IM机器人/);
+  assert.match(markup, /通过扫码把机器人接入 DeepSeek Harness/);
+  assert.match(markup, />微信</);
+  assert.match(markup, />飞书</);
+  assert.match(markup, /dim-logoWeixin/);
+  assert.match(markup, /dim-logoFeishu/);
+  assert.equal((markup.match(/role="tab"/g) ?? []).length, 2);
+  assert.equal((markup.match(/aria-selected="true"/g) ?? []).length, 1);
+  assert.doesNotMatch(markup, /role="switch"|type="checkbox"/);
+  assert.doesNotMatch(markup, />INSTANT MESSAGING<|>Channel<|>微信设置</);
+});