Error 409 Conflict on /api/v2/wfm/schedules/publish. The weekly Tuesday publish in US-East-1 fails when processing agent availability changes submitted via self-service. The error payload cites conflicting_availability_window for agents in the Chicago Central time zone. We verified no overlapping shifts exist manually. Is this a known bug with the new WFM SDK 2.4 integration? WFM Publish Docs