refine Semi UI alert workspace

vehicle-data-platform/apps/web/src/v2/pages/AlertsPage.test.tsx

@@ -132,6 +132,9 @@ test('clears old alert rows and inspector evidence when the event scope changes'
     expect(view.container.querySelector(`.${className}.semi-card`)).toBeInTheDocument();
   }
   expect(view.container.querySelector('.v2-alert-navigation')).toBeInTheDocument();
+  expect(screen.getByLabelText('告警中心工作区')).toHaveClass('v2-workspace-command-bar', 'v2-alert-command-bar');
+  expect(screen.getByRole('heading', { level: 5, name: '告警处置工作台' })).toBeInTheDocument();
+  expect(screen.getByText('核验事件证据、治理规则并追踪通知状态')).toBeInTheDocument();
   expect(screen.getByText('可处置事件')).toBeInTheDocument();
   expect(screen.queryByRole('heading', { level: 2, name: '告警中心' })).not.toBeInTheDocument();
   expect(view.container.querySelector('.v2-alert-inspector')).not.toBeInTheDocument();