fix: add 200ms grace period to due query to prevent double-pings

apps/api/src/routes/internal.ts

@@ -48,7 +48,7 @@ export const internal = new Elysia({ prefix: "/internal", detail: { hide: true }
       ) last ON true
       WHERE m.enabled = true
         AND (last.checked_at IS NULL
-          OR last.checked_at < now() - (m.interval_s || ' seconds')::interval)
+          OR last.checked_at < now() - (m.interval_s || ' seconds')::interval - interval '200ms')
     `;
     return monitors;
   })