Registers "kvm" in the provider builtins, mounts an optional kvm-ssh
Secret at /etc/proxy-operator/kvm, adds a kvm-home providers-config
sample and a proxy_kvm.yaml Proxy sample, documents the provider in
docs/kvm-provider.md (prerequisites, config reference, image cache and
its do-not-replace-in-use rule, known gaps), and updates the README
and architecture provider sections and decision log.
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Full client-facing reference: auth, all routes with schemas and curl
examples, selection/cooldown semantics, caveats. README and
architecture.md link to it.
Co-Authored-By: Claude <noreply@anthropic.com>