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The delta review found two more ways the extent filter could skip a check a native query would have flagged: - Native line intersections accept points 0.00001 outside each line's bounding box, so a lead 0.000003 from another part touched it while their extents were 0.000003 apart, beyond the 1e-6 margin. - Around a circle of radius 5e11, rounding let the native query count a rapid at x = -0.00001 as touching although the circle's extent started at x = 0; the margin scaled only with the rapid's own size. Rather than chase each tolerance, the filter now has one narrow rule: Extent.IsClearOf skips only when both extents are finite, lie within 1e6 and are more than 0.001 apart on some axis. 0.001 is ten times the widest absolute band of any native contact query (the 0.00001 box allowance and the 0.0001 contact reach of tiny arcs), and within 1e6 rounding stays far below it. Larger geometry is always checked in full, as before the filter. Planning speed is unchanged (144-part grid about 0.5-0.8 s). All three reproductions are regression tests, with a test of the rule itself.