feat(platform): summarize service status on dashboard

vehicle-data-platform/apps/web/src/pages/Dashboard.tsx

@@ -1,7 +1,7 @@
 import { Button, Card, Col, Form, Row, Select, Space, Spin, Table, Tag, Toast, Typography } from '@douyinfe/semi-ui';
 import { useEffect, useState } from 'react';
 import { api } from '../api/client';
-import type { DashboardSummary, LinkHealth, ProtocolStat, QualityIssueRow, VehicleCoverageRow, VehicleRealtimeRow } from '../api/types';
+import type { DashboardSummary, LinkHealth, ProtocolStat, QualityIssueRow, ServiceStatusStat, VehicleCoverageRow, VehicleRealtimeRow } from '../api/types';
 import { PageHeader } from '../components/PageHeader';
 import { StatusTag } from '../components/StatusTag';
 import { qualityIssueVehicleLookup } from '../domain/vehicleLookup';
@@ -12,6 +12,13 @@ const statusColor: Record<string, 'green' | 'orange' | 'red' | 'grey'> = {
   error: 'red'
 };
 
+const serviceStatusColor: Record<string, 'green' | 'orange' | 'red' | 'grey'> = {
+  healthy: 'green',
+  degraded: 'orange',
+  offline: 'red',
+  identity_required: 'orange'
+};
+
 function formatLag(value?: number | null) {
   return value == null ? '未接入' : value.toLocaleString();
 }
@@ -74,7 +81,22 @@ export function Dashboard({ onOpenVehicle, onOpenQuality }: { onOpenVehicle: (vi
           ))}
         </div>
         <Row gutter={16}>
-          <Col span={14}>
+          <Col span={8}>
+            <Card title="车辆服务状态" bordered>
+              <Table
+                pagination={false}
+                dataSource={summary?.serviceStatuses ?? []}
+                columns={[
+                  {
+                    title: '状态',
+                    render: (_: unknown, row: ServiceStatusStat) => <Tag color={serviceStatusColor[row.status] ?? 'grey'}>{row.title}</Tag>
+                  },
+                  { title: '车辆数', dataIndex: 'count' }
+                ]}
+              />
+            </Card>
+          </Col>
+          <Col span={8}>
             <Card title="数据来源在线分布" bordered>
               <Table
                 pagination={false}
@@ -91,7 +113,7 @@ export function Dashboard({ onOpenVehicle, onOpenQuality }: { onOpenVehicle: (vi
               />
             </Card>
           </Col>
-          <Col span={10}>
+          <Col span={8}>
             <Card title="链路健康" bordered>
               <Table
                 pagination={false}