{
  "pack": "zeus-performance-100y",
  "version": "1.0.0",
  "freezeDate": "2026-05-06",
  "nextReviewYear": 2031,
  "horizonYear": 2076,
  "provenanceRoot": "dbbb588357e3d9724cbbf98f06091cdd1738e75a09fa04a4407107d5dceef4c0",
  "owner": {
    "name": "Vladoi Ionut",
    "email": "vladoi_ionut@yahoo.com",
    "btc": "bc1q4f7e66z87mdfj56kz0dj5hvcnpmh0qh4wuv22e"
  },
  "timestamp": "2026-07-26T08:54:28.870Z",
  "title": "Image Delivery Policy — 50-Year Standard",
  "rules": [
    "Every <img> ships with width + height to lock layout (CLS < 0.05).",
    "LCP image gets fetchpriority=\"high\" + decoding=\"async\" + loading=\"eager\".",
    "Below-the-fold images use loading=\"lazy\" + decoding=\"async\".",
    "AVIF preferred, WebP fallback, JPEG/PNG only as last resort.",
    "Responsive sizes via srcset; never serve a 4K asset to a 320px viewport.",
    "No alt-less decorative images use empty alt=\"\" + aria-hidden=\"true\"."
  ],
  "formatRoadmap": {
    "2026-2030": [
      "AVIF primary",
      "WebP fallback"
    ],
    "2030-2040": [
      "JPEG XL evaluated",
      "AVIF still primary"
    ],
    "2040-2076": [
      "Successor format chosen via additive content negotiation; legacy AVIF served indefinitely"
    ]
  },
  "cdnPledge": "No third-party image CDN that breaks subresource integrity or cookies."
}