Live validation on demo-felhom caught the felhom-regen-hostkeys unit failing with
203/EXEC: ExecStart was /usr/sbin/ssh-keygen but on Debian 13 ssh-keygen is at
/usr/bin/ssh-keygen. Fixed build-golden.sh, rebuilt the golden, re-validated — host
keys now regenerate on first boot by the baked unit (agent issues no ssh-keygen).
All three live scenarios green: provision (fresh MAC, host keys via unit, machine-id,
Docker, DHCP), dr (continuity: hostname + host keys preserved), Recover (killed
mid-restore -> orphan rolled back idempotently). REPORT + CHANGELOG updated.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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