A broker's provision outcome — sync (ready now) or async (poll lastOperation with operation). An async ack MAY
already carry outputs (e.g. a D1 create returns the database_id immediately even though the DB takes a moment to be
queryable); they're threaded once the op settles, alongside any from bind.
A broker's provision outcome — sync (ready now) or async (poll
lastOperationwithoperation). An async ack MAY already carryoutputs(e.g. a D1 create returns the database_id immediately even though the DB takes a moment to be queryable); they're threaded once the op settles, alongside any frombind.