feat(ui): refresh dashboard and paper boat branding

e2e/src/pages/dashboard.page.ts

@@ -11,9 +11,10 @@ export class Dashboard {
 
   async logout(): Promise<void> {
     await step('Log out', async () => {
-      // The profile menu trigger is an avatar with no accessible name.
-      await this.page.locator('.profile-trigger').click()
-      await this.page.getByRole('button', { name: 'Logout' }).click()
+      // The account block lives at the foot of the sidebar; the menu it opens
+      // holds the sign-out action.
+      await this.page.locator('.sidebar .me').click()
+      await this.page.getByRole('button', { name: '退出登录' }).click()
       await expect(this.page).toHaveURL(/\/login/)
     })
   }