R9: pass vlan_tag (default 20 = srv VLAN, ADR-007) from both envs to the
proxmox_vm module so VMs are tagged, not on untagged vmbr0. R11: make new-role
now sed-substitutes ROLE_NAME_PLACEHOLDER so scaffolded molecule converge works
out of the box.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>