register_monitor
Agent Flight Recorder — FREE (1 monitor per alert target) / Gateway key (20 monitors + stored capsules + fleet view). Register an agent or scheduled job to be watched: you get a monitor_id + secret; the agent then calls heartbeat every period_minutes. If heartbeats stop for period + grace, the alert target (Discord/HTTPS webhook and/or email) is notified with the last state capsule and a resume link.
name必填alert_emailalert_webhookgrace_minutesperiod_minutes