A brief forks into three branches, an independent review fans them in, rejects only the code, sends only that branch back, reviews again and ships. The retry edge is drawn as a correction and one edge flows twice; the meter counts seven tasks in five units of wall clock — serial, the same seven take seven.
Spec pinned at sha 9f3c1ab. A fan-out with a moving input is not three agents on one job — it is three agents on three jobs.