tools/cmd/railiance-backup-s1: - OS config snapshot: sshd, ufw, fail2ban, hosts, apt sources - installed packages list - age-encrypted, output: /opt/backup/railiance/infra/ - requires root, no network dependency Makefile: add `make backup` target Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Per ADR-003: cloud-init (S1 node provisioning) and host planning tool belong at the Infrastructure Substrate layer. Moved from railiance-cluster. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>