AIS Agent Flight Recorder — dead-man alerts & resume for AI agents

• 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 w
• heartbeat — Agent Flight Recorder — "still alive" ping for a registered monitor. Include capsule (any JSON ≤32KB: current step, done, next, ids) so a dead-man alert can car
• fetch_capsule — Agent Flight Recorder (Gateway key) — get the last state capsule a monitored agent sent, to resume from where it died.
• fleet_status — Agent Flight Recorder (Gateway key) — every monitor you own: alive / late / dead, last heartbeat, capsule preview.
• delete_monitor — Agent Flight Recorder — remove a monitor (needs its secret or the owning key).

No long description beyond the summary.