- OFI_DIAG now reads positions [42..62) using OFI_START constant instead of hardcoded [66..74). Verified: raw_mean=0.0891, delta_mean=-0.0370, book_agg=0.4500, log_dur=-0.2303 (was all zeros before). - Removed 3 stale state_dim field initializers from evaluate_baseline.rs. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>