v10: Q-axis RGB re-encoding (c₁c₂c₃ → R,G,B), isospin moved to t-axis sign, anti-particle rule unified (all Q-bit inversion), §3 color transitions only (21→13 spin-1 states), §9.2/§9.9 full rewrite, 補講4 retracted.
Noriaki Kihara (Sat,) studied this question.