feat(web-admin): show related family and protocols on customer detail

Co-authored-by: Cursor <cursoragent@cursor.com>

web-admin/src/api/admin.ts

@@ -931,6 +931,12 @@ export function fetchDeleteCustomer(id: string) {
   return request.del({ url: `/web/admin/customers/${id}` })
 }
 
+export function fetchCustomerRelations(id: string) {
+  return request.get<Api.BizCustomer.CustomerRelations>({
+    url: `/web/admin/customers/${id}/relations`
+  })
+}
+
 export function fetchCellSampleTypeList(params?: {
   page?: number
   pageSize?: number