Kubernetes — implement artifacts

Consumed by the implement skill when the k8s profile is active for the current sub-task. These are pre-write gotchas — read them before editing manifests, not after, so the post-write review-code pass does not have to catch avoidable mistakes.

Always load

• gotchas.md — per-task pitfalls: API-version pinning, probe correctness, image-tag immutability, resource limits discipline, namespace + label hygiene, CRD-before-CR ordering, admission-webhook + operator timing, Helm specifics, Kustomize specifics.