test: capture production login smoke diagnostics

Author: Curry

frontend/e2e/login.spec.mjs

@@ -1,7 +1,9 @@
 import { expect, test } from '@playwright/test'
 
 test('login page renders its local administrator credentials form', async ({ page }) => {
-  await page.goto('/login')
+  page.on('pageerror', (error) => console.log('pageerror', error.message))
+  const response = await page.goto('/login')
+  console.log('login response', response?.status(), page.url(), (await page.content()).slice(0, 2000))
   await expect(page.locator('[data-slot="card-title"]')).toBeVisible({ timeout: 15_000 })
   await expect(page.getByLabel('用户名')).toHaveValue('admin')
   await expect(page.getByLabel('密码')).toBeVisible()