Add a post-deploy smoke test that validates Tailscale DNS, proxy readiness,
reachability, and service responses for Rancher, Grafana, and Prometheus.
Move the operator to the stable Helm repo/version and align the baseline docs
with the current HA private-only architecture.
- scripts/refresh-kubeconfig.sh fetches a fresh kubeconfig from CP1
- Ansible site.yml Finalize step now uses public IP instead of Tailscale
hostname for the kubeconfig server address
- Updated AGENTS.md with kubeconfig refresh instructions