Internal - handle the case where the user's domain registrar IS Cloudflare (Cloudflare Registrar). No nameserver change needed; just verify the zone exists via CF REST API. Triggered by /add-domain when the registrar is Cloudflare.
$npx -y skills add flavien-ia/hypervibe-harness --skill _dns-cloudflareInstalls into the current project.
Run `npx skills use "https://github.com/flavien-ia/hypervibe-harness" --skill "flavien-ia/hypervibe-harness/_dns-cloudflare"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/flavien-ia/hypervibe-harness" that are relevant to the current task. Run `npx skills add "https://github.com/flavien-ia/hypervibe-harness"` and select the relevant skills, then follow their instructions.