feat(platform): label dashboard protocols as evidence

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

@@ -153,12 +153,12 @@ export function Dashboard({ onOpenVehicle, onOpenQuality, onOpenVehicles }: { on
             </Card>
           </Col>
           <Col span={8}>
-            <Card title="数据来源在线分布" bordered>
+            <Card title="来源证据在线分布" bordered>
               <Table
                 pagination={false}
                 dataSource={serviceSummary?.protocols ?? summary?.protocols ?? []}
                 columns={[
-                  { title: '数据来源', dataIndex: 'protocol' },
+                  { title: '来源证据', dataIndex: 'protocol' },
                   { title: '在线', dataIndex: 'online' },
                   { title: '总数', dataIndex: 'total' },
                   {

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

@@ -124,6 +124,7 @@ test('dashboard renders vehicle service summary metrics', async () => {
   expect(screen.getByText('暂无来源车辆')).toBeInTheDocument();
   expect(screen.getByText('461')).toBeInTheDocument();
   expect(screen.getByText('身份未绑定')).toBeInTheDocument();
+  expect(screen.getByText('来源证据在线分布')).toBeInTheDocument();
   expect(fetchMock).toHaveBeenCalledWith('/api/vehicle-service/summary', undefined);
 });