Service was crashing on every boot because vetting.example.yaml uses
./var/... relative paths that resolve to / under ProtectSystem=strict.
Ship a separate vetting.production.yaml with absolute /var/lib/vetting
+ /var/log/vetting paths that match the unit's ReadWritePaths, and
have install.sh copy that one. Also move StartLimit* keys into [Unit]
to silence the 'Unknown key' warning on modern systemd.
proxmox-install.sh + install.sh left operators with no way to
generate the bcrypt hash on the LXC — 'vetting gen-admin-password'
was suggested in the post-install message but the binary has no
subcommands. Cross-build gen-admin-password-linux-amd64 during the
one-liner flow and drop it into /usr/local/bin.
josh