SIGNAL BOARD / DURABLE TRANSITIONS

Alert incidents

Small, typed rules over retained logs, expected heartbeat events, stable HTTP checks, and Simon's own bounded runtime health. Incidents record state changes—not raw payloads, credentials, or response bodies.

Rules: 0 / 64
Pending: 0
Firing: 0
Open: 0

01 / INCIDENT LEDGER

Transition record

0 open 0 resolved

No incidents recorded. Firing and recovery transitions will be retained here.

02 / INCIDENT DETAIL

No transition selected

When a typed condition fires, its safe evidence and complete transition history appear here.

04 / NEW SIGNAL

Define rule

Operator label Rule kind event_absence / selected above Severity

Evaluation and transition policy Evaluation / seconds 10–300 seconds

Transition debounce / fixed 1 breach / 1 healthy evaluation The absence duration is the debounce window; the first exact heartbeat recovers.

Cooldown / seconds 60–86400 seconds

Event absence configuration

Exact event plus container or service identifies one heartbeat contract. Retained history is checked immediately—there is no warm-up grace.

Window result 0 matches → firing 1+ matches → healthy

Allowed absence / seconds 60–86400 seconds; evaluation interval cannot exceed it

ContainerContainer or service is required. ServiceContainer or service is required. Environment Level Expected eventExact structured event; required.

Enabled Retained history is checked immediately after saving.