Terraform variable validation blocks can only reference the variable itself, so list length checks against worker_count were removed to restore init/plan.
Provision 3 thin control planes and 3 workers with role-specific sizing and VMID ranges (701/711), generate per-node cloud-init snippets with SSH key injection, and add NixOS kubeadm host/module scaffolding for cp-1..3 and wk-1..3.
