mesh/delivery ready: it delivers once merged
mesh/merge-gate out of date: judged against a trunk it does not name, the trunk is now ef26dba2753a; judged again on a recheck or when it is merged
mesh/repo-check out of date: judged against a trunk it does not name, the trunk is now ef26dba2753a; judged again on a recheck or when it is merged
Go's monotonic clock stops while a laptop is suspended, so a day judged by it could pass a day and a half of wall time before the machine said what it is. And a hung statfs left a goroutine and thread blocked per apply; now one check runs at a time and reports after it say the sizes unknown until it ends.