kubernetes/kops ? reverse-engineered prompt

Build me a command line tool for managing Kubernetes clusters, kind of like kubectl but for the whole cluster. I want it to let me create, update, upgrade, and delete production ready clusters, and it should also set up the cloud infrastructure needed to run them.

Focus first on AWS and GCP, and make sure the design can also support DigitalOcean, Hetzner, OpenStack, and Azure if possible. I want a clean setup flow, good defaults for highly available clusters, and sensible commands that feel simple for someone running this from the terminal.

Please include helpful docs, example cluster configs, and clear error messages so people can get started without guessing. If you need to check the latest cloud or Kubernetes docs while building it, go ahead and do that.