Documents the full GuruRMM onboarding process (POST /api/clients, POST /api/sites
with one-time api_key capture), the vault storage step, and the sops-encryption
gotchas hit while onboarding Rednour Law Offices (--config required, quote dates,
secrets under credentials:).
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
