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2026-03-24Add CIFAR deltaL test (failed) and pivot design memoYurenHao0426
- CIFAR deltaL: s=grad_hL CE (dim=512) -> acc=17.2%, Gamma≈0 Confirms scalar value field has dimensionality bottleneck on CIFAR - Pivot memo: direct vector credit field a_phi(h,t,s) -> R^d Trained with perturbation-based target, avoids curvature problem Still satisfies no hidden BP anchor constraint Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>