{
  "status": "demo",
  "message": "演示 feed，尚未接入真实联盟平台",
  "deals": [
    {"title":"示例无线键盘","merchant":"示例商城","category":"办公设备","price":79.0,"original_price":129.0,"discount_percent":38.8,"url":"https://example.com/products/keyboard","source":"demo-feed","disclosure":"示例数据；真实价格、库存和活动规则以商品页为准。"},
    {"title":"示例 USB-C 集线器","merchant":"示例商城","category":"电脑配件","price":49.0,"original_price":59.0,"discount_percent":16.9,"url":"https://example.com/products/hub","source":"demo-feed","disclosure":"示例数据；真实价格、库存和活动规则以商品页为准。"}
  ]
}