Fix Shopify Product Schema Missing offers, priceCurrency & availability

Root Cause & Technical Standard

Google Merchant & Product Rich Snippets disqualify Product nodes lacking explicit ISO 4217 priceCurrency or schema.org/InStock URLs.

Reference Fix / Implementation Snippet

"offers": {
  "@type": "Offer",
  "price": "49.00",
  "priceCurrency": "USD",
  "availability": "https://schema.org/InStock"
}