feat: 添加加密凭据恢复与 Windows 会话撤销

frontend/src/features/settings/CredentialVaultSettings.spec.ts

@@ -0,0 +1,37 @@
+// @vitest-environment happy-dom
+import { flushPromises, mount } from '@vue/test-utils'
+import { afterEach, expect, it, vi } from 'vitest'
+import { hostInvoke } from '@/services/platform/desktop'
+import CredentialVaultSettings from './CredentialVaultSettings.vue'
+
+vi.mock('@/services/platform/desktop', () => ({ hostInvoke: vi.fn() }))
+afterEach(() => { vi.useRealTimers(); vi.resetAllMocks() })
+
+it('reflects host session lock and clears its polling timer on unmount', async () => {
+  vi.useFakeTimers()
+  vi.mocked(hostInvoke).mockResolvedValue({ locked: false })
+  const wrapper = mount(CredentialVaultSettings)
+  await flushPromises()
+  expect(wrapper.text()).toContain('立即锁定')
+  vi.mocked(hostInvoke).mockResolvedValue({ locked: true })
+  await vi.advanceTimersByTimeAsync(500)
+  expect(wrapper.text()).not.toContain('立即锁定')
+  expect(wrapper.text()).toContain('恢复备份')
+  wrapper.unmount()
+  const calls = vi.mocked(hostInvoke).mock.calls.length
+  await vi.advanceTimersByTimeAsync(2000)
+  expect(vi.mocked(hostInvoke).mock.calls.length).toBe(calls)
+})
+
+it('clears the restore password and treats native cancellation as no change', async () => {
+  vi.mocked(hostInvoke).mockImplementation(async command => command === 'credentials_status' ? { locked: true } : null)
+  const wrapper = mount(CredentialVaultSettings)
+  await flushPromises()
+  await wrapper.get('input[type=password]').setValue('test-backup-password')
+  await wrapper.findAll('button').find(button => button.text().includes('恢复备份'))!.trigger('click')
+  await flushPromises()
+  expect(hostInvoke).toHaveBeenCalledWith('credentials_restore', { password: 'test-backup-password' })
+  expect((wrapper.get('input').element as HTMLInputElement).value).toBe('')
+  expect(wrapper.text()).not.toContain('已恢复')
+  wrapper.unmount()
+})