second version

frontend/src/hooks/useSiteStatus.ts

@@ -2,7 +2,7 @@ import { useCallback, useEffect, useState } from 'react'
 import { getJson } from '../api/postgrest'
 import type { SiteStatusRow } from '../types/ems'
 
-const POLL_MS = 5_000
+const POLL_MS = 30_000
 
 export function useSiteStatus() {
   const [row, setRow] = useState<SiteStatusRow | null>(null)