- Updated main ci.yml verify job and all deploy-*.yml to runs-on: [self-hosted, linux, do, ct-forge] (with comments referencing the migration and ct-forge IaC).
- Updated setup-forgejo-host.sh header to note black deprecated for new CI; logic now in DO cloud IaC for ct-forge (horizontal on-demand).
- Updated quinn.admin-api README to reflect DO runners (no black runner).
- 'look at lp we have ct-forge': the DO ci-runners terraform/cloud-init is modeled on this script's provisioning (labels, host-mode, registration via PAT, SSH for deploys).
- Matches 'no more black... we have DO' + ct-forge as canonical for runners/CI.
- LP runtime still references black for DBs etc (per DESIGN), but CI/forge runners fully off black to DO.