R18 rollback guidance

#!/usr/bin/env bash
set -Eeuo pipefail
[[ "${CONFIRM_R18_R06_SALVAGE_ROLLBACK:-}" == YES ]] || { echo RESULT=STOP_R18_R06_ROLLBACK_CONFIRMATION_REQUIRED; exit 2; }
cat > /tmp/r18-r06-salvage-rollback.sh <<'REMOTE'
#!/bin/sh
set -eu
export CONFIRM_R18_R06_SALVAGE_ROLLBACK=YES
'/var/lib/router-egress-recovery/salvage-backups/R18-R06-20260718-175712-1505/rollback.sh'
REMOTE
ssh -o BatchMode=yes pve-mgts "ssh -o BatchMode=yes -i /root/.ssh/pve_to_openwrt_mgts_ed25519 root@10.71.100.2 'sh -s'" < /tmp/r18-r06-salvage-rollback.sh
rm -f /tmp/r18-r06-salvage-rollback.sh
echo RESULT=PASS_R18_R06_MANUAL_DAMAGED_PRESTATE_RESTORED