ObjectScale blocks root SSH by default; only admin accepts login. Bootstrap installs cluster key for admin and root; document in ssh-mesh.md.
- Translate all documentation to English - Add docs/ssh-mesh.md and scripts/setup/setup-ssh-mesh.sh - Add config/hosts/atc-lab.hosts for /etc/hosts on all VMs - Ignore atc_cluster private key in git; mesh deployed on 12 hosts
- Add root README and docs/ (architecture, hosts, disaster-recovery, operations) - Add compose/ for superset, forgejo, lam, cadvisor; unified deploy compose - Add scripts/deploy (deploy-atc-docker01.sh, container inventory export) - Add inventory/containers-atc-docker01.json snapshot - Add config READMEs for kafka and airflow; .env.example; expand .gitignore - Sync atclab helper scripts; update homepage/superset compose with env support