- DSR warm-up: skip first 50 steps when EMA has insufficient history - Phase Fast num_atoms: 51 → 101 (H100 can afford finer resolution, 1.19 per atom vs 2.35 — critical for distinguishing Q-values) - Argo template: clear stale feature cache before hyperopt (ensures fresh computation with VPIN/trades enrichment) Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>