{"code":"SCH_STALE","title":"Scheduler heartbeat stale","description":"The scheduler runner is reachable but has not reported a recent heartbeat. Jobs may be stuck; restart the runner if the condition persists.","documented":true,"module":{"code":"SCH","description":"Scheduler runner health"},"severity":"critical","impact":"operator","retry":"none","causes":["The background job runner is registered but has not reported a heartbeat recently.","The runner process is hung or overloaded."],"resolution":["This is a platform-side condition. BizKitHub operations are alerted automatically.","Delayed background jobs continue once the runner recovers or is restarted.","Contact support@bizkithub.com if jobs remain stuck."],"related":[{"code":"SCH_OFFLINE","title":"Scheduler runner offline","url":"https://docs.bizkithub.com/en/system-codes/SCH_OFFLINE"}],"url":"https://docs.bizkithub.com/en/system-codes/SCH_STALE"}