Greenfield spec set for a GitOps-driven PaaS+IaaS home platform: vision & requirements (R-* IDs), architecture, 14 domain specs, 11 ADRs, roadmap (phases + workstreams), and AI-agent coordination (roles, protocol, definition-of-done, task board). Co-Authored-By: Claude Opus 4.8 (1M context) <[email protected]>