Titles, descriptions, canonical URLs, Open Graph and Twitter cards on index, litepaper, live and bench (bench through page() in build.mjs). og.png 1200x630 from the brand wordmark and tagline, PNG icons, apple-touch-icon, favicon.ico, site.webmanifest, robots.txt and sitemap.xml. Organization JSON-LD on the homepage only. Rebuilt bench.html.
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
