vendor, model and serial_number now come from /sys/class/dmi/id/ (sys_vendor, product_name, product_serial) via SSH, reflecting the actual physical server rather than the Proxmox software layer. Falls back to "Proxmox Server Solutions GmbH" / status.model if SSH or DMI files are unavailable (e.g. bare-metal without SSH creds). Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>