// === Product Schema Injection ===
(function(){
  function injectProductSchema(){
    if(typeof PRODUCTS === 'undefined') return;
    
    // 给当前页面注入 Product Schema 集合
    var schema = {
      "@context": "https://schema.org",
      "@type": "ItemList",
      "itemListElement": PRODUCTS.slice(0, 50).map(function(p, i){
        return {
          "@type": "ListItem",
          "position": i+1,
          "item": {
            "@type": "Product",
            "name": p.name,
            "image": U + p.img,
            "description": p.desc,
            "category": p.cat,
            "offers": {
              "@type": "Offer",
              "priceCurrency": "USD",
              "availability": "https://schema.org/InStock",
              "price": p.price ? p.price.split('–')[0].replace(/[^0-9.]/g,'') : "5.00"
            }
          }
        };
      })
    };
    
    var script = document.createElement('script');
    script.type = 'application/ld+json';
    script.text = JSON.stringify(schema);
    document.head.appendChild(script);
  }
  
  if(document.readyState === 'loading'){
    document.addEventListener('DOMContentLoaded', injectProductSchema);
  } else {
    injectProductSchema();
  }
})();