用户: "推荐一双跑步鞋"
  ↓
AI代理搜索候选商家 (搜索引擎/UCP/商品目录)
  ↓
对每个候选商家查询OTR信任评分
  ↓
综合评分 = f(商品匹配度, 价格, 信任评分, 用户偏好)
  ↓
按综合评分排序，向用户推荐

async function recommendProducts(query) {
  const candidates = await searchProducts(query);

  // 并行查询所有候选商家的信任评分
  const trustScores = await Promise.all(
    candidates.map(c =>
      fetch(`https://orbexa.io/api/otr/verify/${c.domain}`).then(r => r.json())
    )
  );

  // 综合排序
  return candidates.map((c, i) => ({
    ...c,
    trustScore: trustScores[i].trust_score,
    badge: trustScores[i].badge
  })).sort((a, b) => {
    // 信任评分权重30%，价格匹配度70%
    const scoreA = a.priceMatch * 0.7 + (a.trustScore / 100) * 0.3;
    const scoreB = b.priceMatch * 0.7 + (b.trustScore / 100) * 0.3;
    return scoreB - scoreA;
  });
}

const trustCache = new Map();
const CACHE_TTL = 4 * 60 * 60 * 1000; // 4小时

async function getTrustScore(domain) {
  const cached = trustCache.get(domain);
  if (cached && Date.now() - cached.timestamp < CACHE_TTL) {
    return cached.data;
  }

  const data = await fetch(`https://orbexa.io/api/otr/verify/${domain}`).then(r => r.json());
  trustCache.set(domain, { data, timestamp: Date.now() });
  return data;
}

推荐：ExampleStore - Nike Air Max 90
价格：¥899
信任等级：GOLD (85分)
✓ 企业身份已验证 ✓ HTTPS+DNSSEC ✓ 30天退货政策