Training DFA canonical λ=0.01, seed=42
  [DFA pen] ep 10
  [DFA pen] ep 20
  [DFA pen] ep 30
Saved checkpoint: results/dfa_canonical_freshB/dfa_canonical_lam0.01_s42.pt
Training-Bs: acc=0.3672, deep cos=+0.1660
  per-layer cos: ['+0.3259', '+0.1658', '+0.1618', '+0.1703']
  ||g_l||: ['1.34e-05', '1.32e-05', '1.31e-05', '1.31e-05', '1.32e-05']
  ||h_l||: ['1.21e+04', '1.21e+04', '1.21e+04', '1.22e+04', '1.21e+04']

Fresh-B null calibration (20 draws)...
Fresh-Bs deep cos: -0.0048 ± 0.0182 (ddof=1)
Saved: results/dfa_canonical_freshB/freshB_null_canonical_s42.json