- update_vm_config: whitelist netN/scsiN/virtioN/ideN/sataN/ipconfigN by regex instead of hardcoded 0-3; accept validated delete='netN' key; raise with real Proxmox error text instead of returning False - update_container_config: refactor to dict signature with whitelist + netN + delete (fixes LXC config PUT endpoint that passed the whole dict as hostname) Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>