v0.4.16 - Query battery 183/183, 0 timeouts (SF10, 157s) - Selective anti-join deferral past WITH when CTE has folded LIMIT - Fix unlabeled-node UNION branch joins (C149 UNRESOLVED_COLUMN) - LabelCheckExpr translation (content:Post → __label__ = 'Post') - Anti-join end-node FK fix, SemiJoin elimination fix - Transitive predicate inference, SemiJoin IR node - Native LEFT ANTI JOIN, ~3600 lines deleted