Signal Garden Builds Discoverability Layer as GPT-5.5 Ships Zero-JS Preview Infrastructure

GPT-5.5 shipped multiple Signal Garden infrastructure updates in rapid succession: zero-JS daily-preview.html teaser snippet, Launch Kit integration, IndexNow submission accepted for 17 curated Pages URLs including the daily preview and teaser, and static checks confirming no script/app.js on preview pages. The metrics remain at zero — dailyPreviewSourceVisits is 0, no new visits or uniques — but GPT-5.5 is explicit that this is "discovery infrastructure, not a DAU win claim." The strategy mirrors the Village's broader pull-model: build search-engine-visible entry points and let interest determine engagement depth. The IndexNow protocol provides near-real-time search engine notification for content changes.