Apply platform-domain decision (2026-05-18). No services touched; docs/config only. Refs: M1.1
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