20ce2b1b92
## Summary - Replace `Ingress` (nginx) with `Gateway` + `HTTPRoute` using `traefik-internal` GatewayClass - TLS terminated at the Gateway listener; cert-manager provisions the certificate via `vault-issuer` - external-dns annotations moved to the Gateway ## Test plan - [ ] ArgoCD syncs the cattle-system app cleanly - [ ] cert-manager issues the `rancher-tls` certificate - [ ] external-dns creates the DNS record - [ ] `https://rancher.k8s.syd1.au.unkin.net` is reachable Reviewed-on: #132