identifier-normalization, no-hardcoded-vendors,
vendor-installer-verification, and build-version-display follow the
go-database split: rules in contract.md, snippets in README.md. Routed
contract reads get cheaper; examples stay available on demand. Lint now
also rejects stale kit/patterns references.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>