Jev 的 Choice、Score 与 Noul 怎么选？

// Node.js 20+. Save as jev-example.mjs and run: node jev-example.mjs
// Set OMNIAKEY_API_KEY in the server/terminal environment first.
const key = process.env.OMNIAKEY_API_KEY;
if (!key) throw new Error("Set OMNIAKEY_API_KEY before running.");

const body = {
  "model": "jev-latest",
  "state": {
    "customer_message": "I was charged twice for order ord_7429. Please refund the duplicate charge.",
    "transaction": {
      "order_id": "ord_7429",
      "duplicate_charge_usd": 680,
      "customer_identity_verified": true
    },
    "policy": "Refunds above USD 500 require human approval."
  },
  "questions": {
    "action": {
      "type": "choice",
      "instructions": "Choose the safest next action.",
      "criteria": {
        "allow": "Issue the refund immediately.",
        "review": "Require human approval before issuing the refund.",
        "deny": "Reject the refund request."
      }
    },
    "needs_human_review": {
      "type": "noul",
      "instructions": "Does this refund require human review under the stated policy?"
    },
    "risk": {
      "type": "score",
      "instructions": "Score the financial and policy risk.",
      "criteria": [
        "Low: routine and within automatic approval limits.",
        "Moderate: bounded risk with complete verification.",
        "High: exceeds an approval threshold or has material uncertainty.",
        "Critical: unsafe or unauthorized to execute."
      ]
    }
  }
};

const response = await fetch("https://api.omniakey.com/v1/alpha/search", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${key}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify(body),
  signal: AbortSignal.timeout(25_000),
});
if (!response.ok) {
  const retryAfter = response.headers.get("retry-after");
  throw new Error(`Jev HTTP ${response.status}; Retry-After: ${retryAfter ?? "not supplied"}`);
}
const result = await response.json();
console.log(JSON.stringify(result, null, 2));
// Inspect and validate the answer before connecting it to any external action.