Its job (surfacing the DetailsIsland.BindAsync churn) is done; leave the InvokeTimedAsync wrappers and Island Record call sites in place as a chokepoint for next time, but stop writing by default. Shared now only writes when CLAUDEDO_OP_TIMING=1 is set; the constructor keeps enabled=true so both TestSetup redirects and OperationTimingTests are unaffected.