feat(platform): separate dashboard evidence layer

vehicle-data-platform/apps/web/src/test/App.test.tsx

@@ -862,6 +862,8 @@ test('dashboard exposes vehicle data center capability matrix', async () => {
   expect(screen.getByText('历史时间窗')).toBeInTheDocument();
   expect(screen.getByText('区间里程')).toBeInTheDocument();
   expect(screen.getAllByText('告警复盘').length).toBeGreaterThanOrEqual(1);
+  expect(screen.getByText('运维和证据层')).toBeInTheDocument();
+  expect(screen.getByText('来源覆盖、地图配置、告警预览和实时证据默认收起，客户主流程先看车辆监控、轨迹、统计、告警和导出。')).toBeInTheDocument();
   expect(screen.getByText('车辆运营工作台')).toBeInTheDocument();
   expect(screen.getByText('地图运营能力')).toBeInTheDocument();
   expect(screen.getByText('车联网场景导航')).toBeInTheDocument();