Add activity_core/schedule_health: a pure evaluate_schedule_health() verdict
(built on Temporal's num_actions_missed_catchup_window plus a staleness check),
an async check_schedule_health() reader, and post_missed_fire_alert() that emits
a schedule_miss State Hub progress event. Makes a missed fire visible even under
misfire_policy=skip, where Temporal drops it by design. Unit tests for the
verdict logic.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Set Temporal catchup_window on cron schedules so a fire missed during a
worker/Temporal outage is no longer silently dropped. Redefine misfire_policy
into three explicit modes — skip, catchup_all, catchup_latest — mapping to
(catchup_window, overlap) pairs; legacy catchup/compress aliased. Add
catchup_window_seconds override. Remove the ad-hoc upsert-time 1h backfill in
favour of native catchup. Apply catchup_latest to daily-statehub-wsjf-triage in
the Railiance runtime manifest and document run-miss policies in the runbook.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Cron fires are silently dropped: _build_schedule() sets SchedulePolicy(overlap=)
but never catchup_window, so a brief worker/Temporal outage at trigger time drops
the fire with no recovery and no signal (root cause of missing 06-22/06-23 daily
triage runs). Define three explicit run-miss policies: skip, catchup_all,
catchup_latest, plus missed-fire detection.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
