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Vance Ingalls
03b27197a5
moveEdge fed retimeRange the live draft on every pointermove while origin.t0/t1 stayed pinned to the drag's start. retimeRange is a relative transform that scales a lane's own current point positions, so repeated pointermoves compounded the scale factor (interior points drift toward the far edge) and could drop points that retimed past the selection's original bound out of the next move's `inner` set entirely. Snapshot lane.points at arm time (armBackgroundGesture) alongside the existing frozen origin, and always retime from that snapshot in moveEdge instead of the live draft. finishEdgeDrag is unchanged: it already just persists the last (now-correct) preview. Adds a regression test asserting a multi-pointermove edge-drag (both edges) lands on the exact same final points as a single-shot drag to the same target — the case that exposed the bug, since the existing suite only ever tested a single move.