Use installed Chrome when PLAYWRIGHT_CHANNEL=chrome on intranet Jenkins.

config/browser.config.ts

@@ -4,9 +4,13 @@ import './load-env';
 import { resolveRetries } from './ci.config';
 import { timeouts } from './timeouts.config';
 
+/** 内网 Jenkins 无法下载官方 Chromium 时，设 PLAYWRIGHT_CHANNEL=chrome 使用本机 Chrome。 */
+const channel = (process.env.PLAYWRIGHT_CHANNEL || '').trim();
+
 /** 与 playwright.config.ts 的 use 互补：截图、trace、视口。 */
 export const browserUse: PlaywrightTestConfig['use'] = {
   ...devices['Desktop Chrome'],
+  ...(channel ? { channel } : {}),
   launchOptions: {
     ...(process.env.SLOW_MO ? { slowMo: Number(process.env.SLOW_MO) } : {}),
   },