V.R457 — V.OP3 Status Wave 38: CMB NLO Pipeline

V.OP3 PARTIAL-IMPROVED: CMB pipeline NLO-complete for ℓ₁ and ℓ_D. Acoustic scale problem 97.6% resolved. Peak-ratio tension identified as next structural challenge. Full C_ℓ requires τ-native Boltzmann solver.