Function load

frontend/dashboard/src/components/Explainer.tsx:40–54

()

  useEffect(() => {
    let cancelled = false;
    const load = async () => {
      const payload = await fetchTraces(30);
      if (cancelled) return;
      if (!payload) {
        setError("[ERROR: TRACE ENDPOINT UNREACHABLE]");
        setRecent([]);
        return;
      }
      setError(null);
      setRecent(payload.items);
      setSelectedId((current) => {
        if (current && payload.items.some((item) => item.request_id === current)) return current;
        return payload.items[0]?.request_id ?? null;
      });
    };
    load();
    return () => {
      cancelled = true;