Audits schema.org markup in an eCommerce store (Product, Offer, AggregateRating, Review, BreadcrumbList, FAQPage, Organization) and detects technical errors as well as the risk of a Google manual action for structured data spam. Use after a migration or when rich results drop. Usage - /sl-structured-data-audit <url-or-path> [--type=product|category|home|all] [--limit=N]