Give your agent Jev
inside a code plan.

async () => {
  const excerpts = [
    { id: "callback", text: "OAuth callback returned 504 after 12s." },
    { id: "database", text: "No database errors in this request." }
  ];
  const match = await jev.find({
    question: "Which excerpt explains the failed login?",
    sources: excerpts
  });

  if ((match.value.answerExists ?? 0) < 0.7)
    return { next: "inspect more evidence", reviewed: [] };

  const reviewed = [];
  for (const candidate of match.value.ranking.slice(0, 2)) {
    const source = excerpts.find(item => item.id === candidate.id);
    if (!source) continue;
    const verdict = await jev.check({
      claim: "The OAuth callback timed out.",
      evidence: [source]
    });
    reviewed.push({ id: source.id, support: verdict.value.supported });
  }
  return { next: "agent reviews", reviewed };
}