Site v0.2.5 — Per-page OG completion + WebSub end-to-end + JSON Feed 1.1

Four atomic rounds (55-58) hardening the bot-readable + share-shape surface. Per-page OpenGraph coverage 4/14 → 10/14 (added /methodology, /about, /notify, /for-agents, /changelog; legal + utility routes intentionally retain universal fallback). WebSub end-to-end: feed.xml advertises Google's public hub via ; deploy.sh POSTs hub.mode=publish on every deploy → subscribers receive within seconds vs minutes-hours poll fallback; HTTP 204 = success per spec. JSON Feed 1.1 mirror at /feed.json — 8 items, WebSub hubs[] declared natively, CC-BY-4.0, CORS *. application/feed+json autodiscovery in on every page alongside Atom. llms.txt + sitemap-ai.xml advertise both feeds. verify-live.sh Section [4] loops over 10 OG routes (200 + image/png); Section [6b] asserts WebSub hub link + JSON Feed schema validation. 109/109 PASS on canonical domain.