The fourth pre-deploy gate. `shadscan` asks whether the code is good, `compliance-audit` whether the data handling is lawful, `vercel-doctor` what it costs — this one asks **can a stranger find this, trust it, and buy from it?** Three surfaces nobody owns: **findable** (title + description on every route, robots, sitemap, favicon, social preview), **trustworthy** (privacy, terms, and the provider-identity block EU law requires on a commercial site), **convertible** (a CTA above the fold, reachable on mobile, a confirmation page after every form, analytics). Reports and routes; never blocks, never scores. Needs `stack.framework` in {next, monorepo} and `phase >= feature_co…
