feat: add current-device logout

frontend/e2e/mobile-ui.spec.ts

@@ -1,5 +1,5 @@
 import type { Page } from '@playwright/test'
-import { expect, test } from './fixtures'
+import { allowExpectedError, expect, test } from './fixtures'
 
 function bottomTab(page: Page, name: string) {
   return page.getByRole('navigation', { name: '主要导航' }).getByRole('button', { name, exact: true })
@@ -202,8 +202,21 @@ test('settings match the approved paper-ledger geometry and action hierarchy', a
     const box = await target.boundingBox()
     expect(box).not.toBeNull()
     expect(box!.width).toBeGreaterThanOrEqual(44)
-    expect(box!.height).toBeGreaterThanOrEqual(44)
+    expect(box!.height).toBeGreaterThanOrEqual(isMobileContract ? 44 : 40)
   }
+
+  const logout = page.getByRole('button', { name: '退出登录', exact: true })
+  await expect(logout).toBeVisible()
+  await expect(logout).toBeEnabled()
+  const logoutBox = await logout.boundingBox()
+  expect(logoutBox).not.toBeNull()
+  expect(logoutBox!.width).toBeGreaterThanOrEqual(88)
+  expect(logoutBox!.height).toBeGreaterThanOrEqual(isMobileContract ? 44 : 40)
+  allowExpectedError(page, 'requestfailed: POST http://127.0.0.1:5173/api/v1/auth/logout net::ERR_ABORTED')
+  await logout.click()
+  await expect(page.getByRole('button', { name: '登录', exact: true })).toBeVisible()
+  await expect(page.getByText('欢迎回来，继续把生活理顺。')).toBeVisible()
+  expect(await page.request.get('/api/v1/me')).not.toBeOK()
 })
 
 test('task, habit, countdown, memo, action and confirmation overlays share the modal contract', async ({ page }, testInfo) => {