{
  "pack": "zeus-performance-100y-v2",
  "version": "1.0.0",
  "freezeDate": "2026-05-06",
  "nextReviewYear": 2031,
  "horizonYear": 2076,
  "provenanceRoot": "3911a0aef0d5ffa0cd7796c7931f8353bbffcce845ae09a155e4c4a55ed1f8e2",
  "owner": {
    "name": "Vladoi Ionut",
    "email": "vladoi_ionut@yahoo.com",
    "btc": "bc1q4f7e66z87mdfj56kz0dj5hvcnpmh0qh4wuv22e"
  },
  "timestamp": "2026-06-10T18:16:49.934Z",
  "title": "Network Adaptivity Contract — Declarative Degradation",
  "purpose": "A signed contract describing exactly what the site does at each effective-connection-type and Save-Data signal. No more silent guesses; users see the rules.",
  "matrix": [
    {
      "ect": "4g",
      "saveData": false,
      "behavior": "full media, prefetch enabled, animations on"
    },
    {
      "ect": "4g",
      "saveData": true,
      "behavior": "full media, prefetch off, non-essential animations off"
    },
    {
      "ect": "3g",
      "saveData": false,
      "behavior": "AVIF preferred, prefetch off, hero only"
    },
    {
      "ect": "3g",
      "saveData": true,
      "behavior": "no decorative images, system fonts only"
    },
    {
      "ect": "2g",
      "saveData": "*",
      "behavior": "text-first mode, all images lazy, no webfonts"
    },
    {
      "ect": "slow-2g",
      "saveData": "*",
      "behavior": "static HTML, all JS deferred, offline-first hint"
    }
  ],
  "headersRespected": [
    "Save-Data",
    "Sec-CH-UA-Mobile",
    "Downlink",
    "ECT",
    "RTT",
    "Sec-CH-Prefers-Reduced-Motion"
  ],
  "pledge": "No paid feature is gated by network speed."
}