Capture the redirect_uri gotcha from the live-stack smoke. .env.example pins AUTH_URL to acme.localhost:3000 with a long-form comment; README gets an 'AUTH_URL gotcha' callout. Refs: M5.1 follow-up
Unblock local dev: Keycloak owns :8080, so tenant-registry shifts to :8090. Prod is functionally unchanged. Refs: M5.1
Bootstraps §1.2 scaffolding (README, CONTRIBUTING, CODEOWNERS, CHANGELOG, PR + issue templates, LICENSE, CI workflow, release workflow, commitlint, cliff, .editorconfig, .gitignore, .env.example) and ships a proprietary all-rights-reserved LICENSE naming both founders. Refs: M0.1