{
  "fixture": "Fictional supplied metadata patch",
  "checks": [
    "One each og:title/type/url/image",
    "Canonical URL agrees with og:url",
    "HTTPS example image URL",
    "Author-supplied title/description and image alt"
  ],
  "limits": [
    "Example.com URLs are placeholders, not live customer assets",
    "No platform share debugger, caching or rendering proof",
    "No ranking, click or social-preview guarantee"
  ]
}