lightspeed: Add a new image holding Lightspeed skills

Eventually we'll integrate this into the OpenShift payload, and have
some wiring to plug it into Lightspeed in-cluster.  For now, just
provide some scaffolding to create the image, so we can start working
on https://github.com/openshift/release integration [1].

[1]: https://docs.ci.openshift.org/how-tos/onboarding-a-new-component/#product-builds-and-becoming-part-of-an-openshift-release

Author: wking

lightspeed/Containerfile.skills

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+FROM registry.ci.openshift.org/ocp/4.22:base-rhel9-minimal
+COPY skill/ /skill/

lightspeed/README.md

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+# OpenShift Lightspeed Integration
+
+[Red Hat OpenShift Lightspeed][docs] is a generative AI service that helps developers and administrators solve problems by providing context-aware recommendations for OpenShift Container Platform.
+This directory contains skills ([Claude Skills][claude-skills], [OpenAI Skills][openai-skills]) maintained by the cluster-version operator maintainers, which are designed to help agents with ClusterVersion activities such as preparing for cluster updates.
+
+[`Containerfile.skills`](Containerfile.skills) builds a container image with [the skills](skill) in `/skill/`.
+OpenShift policy does not currently allow `FROM scratch` images, so we're just using the stock `FROM` base image that we use in the cluster-version operator's [`Dockerfile.rhel`](../Dockerfile.rhel).
+The resulting image can be [mounted as an image volume with a `subPath`][image-volume-sub-path] into any container that wishes to consume the skills.
+
+[claude-skills]: https://code.claude.com/docs/en/skills
+[docs]: https://docs.redhat.com/en/documentation/red_hat_openshift_lightspeed/1.0/html/about/ols-about-openshift-lightspeed
+[openai-skills]: https://developers.openai.com/api/docs/guides/tools-skills
+[image-volume-sub-path]: https://kubernetes.io/docs/tasks/configure-pod-container/image-volumes/#use-subpath-or-subpathexpr

lightspeed/skill/update-advisor/SKILL.md

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+---
+name: openshift-cluster-update-advisor
+description: Assess OpenShift cluster update readiness and risk.  Use when evaluating whether a cluster is safe to update, when an update is available, or when the user asks about update risks, prerequisites, blockers, or best practices.
+---
+
+FIXME: just a draft at the moment, fill in with an actual skill later.