import { expect, it, vi } from 'vitest'; it('独立页面的 API 错误反馈不初始化界面分段器', async () => { vi.resetModules(); const segmenter = vi.spyOn(Intl, 'Segmenter'); const { errorMessage } = await import('../src/api'); expect(errorMessage(new TypeError('Failed to fetch'))).toContain('无法连接到 Peach 服务'); expect(segmenter).not.toHaveBeenCalled(); });