IV.T187 — Koide Deviation for Quark Triplets

ΔQ_up=0.182, ΔQ_down=0.065. Ratio 2.82 not in structural dictionary. Q_up≈0.85 because m_t/(m_u+m_c+m_t)=0.993 (top dominance). Structural interpretation: Z/3Z sector symmetry of L broken by confinement κ(C;n) mixing across sectors.