RailianceThreePhoenix: 3-node HA Kubernetes cluster with embedded etcd,
Longhorn distributed storage, PostgreSQL HA (repmgr + Pgpool-II), and
Phoenix CronJob for weekly node rotation to prevent configuration drift.
ThreePhoenixWorkplan: 7-phase implementation plan from blank Ubuntu nodes
to self-healing Gitea cluster with monitoring and alert silencing.
Also adds CLAUDE.md with Custodian State Hub session protocol.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>