Reduce VM 115 (docker-sba) from 16 vCPUs (2×8) to 8 vCPUs (1×8) to
match actual workload (0.06 load/core). Add --hosts flag to
homelab-audit.sh for targeted post-change audits.
Closes#18
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>