ServerKit License Authority. This is an API service.
  GET  /healthz            liveness
  GET  /status             public key + license count
  POST /activate?code=     exchange an activation code for a license token
  POST /heartbeat          instance heartbeat (JSON)
  /admin/*                 issue / monitor / revoke (token-gated)
Operator console: https://console.svk.remote-viewer.com