feat: add current-device logout

frontend/src/style.test.ts

@@ -203,6 +203,20 @@ describe('approved Settings 01 paper ledger', () => {
 })
 
 describe('settings sessions and audit activity', () => {
+  it('offers a current-device logout action that returns the app to login', () => {
+    expect(mvpPanel).toContain("import { ArchiveRestore, Check, ChevronRight, Download, GripVertical, LogOut, Pencil, Trash2, X } from 'lucide-vue-next'")
+    expect(mvpPanel).toContain("logout: []")
+    expect(mvpPanel).toContain("await request('/auth/logout', { method: 'POST' })")
+    expect(mvpPanel).toContain("emit('logout')")
+    expect(mvpPanel).toContain('class="settings-row settings-logout-row"')
+    expect(mvpPanel).toContain('<b>退出登录</b><small>仅退出当前设备，不影响其他设备</small>')
+    expect(mvpPanel).toContain('class="danger-text settings-logout-button"')
+    expect(mvpPanel).toContain("{{ logoutBusy ? '正在退出…' : '退出登录' }}")
+    expect(app).toContain('@logout="completeLogout"')
+    expect(app).toContain('function completeLogout()')
+    expect(css).toContain('.settings-logout-button{min-width:88px;display:inline-flex;align-items:center;justify-content:center;gap:6px}')
+  })
+
   it('renders readable session metadata, local time, and an accessible revoke action', () => {
     expect(mvpPanel).toContain('class="session-copy"')
     expect(mvpPanel).toContain('class="session-title"')