{
  "pack": "zeus-performance-100y-v3",
  "version": "1.0.0",
  "freezeDate": "2026-05-06",
  "nextReviewYear": 2031,
  "horizonYear": 2076,
  "provenanceRoot": "84bec430b87b1163b9b51d3124c2f4c0a603bb8ceeae1bb61e6e28db76d155f7",
  "owner": {
    "name": "Vladoi Ionut",
    "email": "vladoi_ionut@yahoo.com",
    "btc": "bc1q4f7e66z87mdfj56kz0dj5hvcnpmh0qh4wuv22e"
  },
  "timestamp": "2026-06-10T18:23:11.577Z",
  "title": "Graceful Degradation Matrix — Per-Feature Fallback Map",
  "purpose": "A declarative matrix mapping every modern web platform feature we rely on to its documented fallback. Future browsers (and 1990s-style text browsers) get a usable experience.",
  "features": [
    {
      "feature": "CSS Grid",
      "fallback": "flexbox",
      "since": "IE11"
    },
    {
      "feature": "Service Worker",
      "fallback": "HTTP cache",
      "since": "always"
    },
    {
      "feature": "WebGPU",
      "fallback": "WebGL2",
      "then": "Canvas2D"
    },
    {
      "feature": "View Transitions",
      "fallback": "instant swap",
      "since": "always"
    },
    {
      "feature": "JavaScript",
      "fallback": "server-rendered HTML + form-POST flows",
      "since": "Lynx-compatible"
    }
  ],
  "pledge": "No feature ships without a documented fallback path that keeps the page useful."
}