Site v0.2.2 — Discoverability + integrity + identity

Seven atomic rounds shipped post-deploy (24-30). Adds: Atom 1.0 changelog feed at /feed.xml with canonical application/atom+xml MIME and site-wide autodiscovery; rel=me identity links to editnative.com + holdlens.com + mailto for IndieAuth corroboration; humans.txt enriched with /* THANKS */ to Brier 1950 + Murphy 1973 + Tetlock 2015; strict Content-Security-Policy on every route (default-src 'self', frame-ancestors 'none', base-uri 'self', upgrade-insecure-requests); SHA-256 cryptographic integrity on /api/methodology.json @graph (sha256-yO2QdYQWy9x/XIe+t4YnJDfj0wf9l2AwZusa41gRneY=); BibTeX + RIS citation endpoints at /api/methodology.{bib,ris} with foundational works for one-stop import; _meta.citation_files cross-reference in JSON twin; WebSite SearchAction schema for SERP sitelinks; sitemap-ai.xml expanded with 3 alternate links per methodology row; verify-live.sh grew 31 → 60 assertions.