Scoring under tension: Karpathy-style autoresearch loop on a GEM stack

Applying the Karpathy-style autoresearch loop to an HMM + per-regime GEM specialist + meta-allocator trading stack. Headline result from a 215-config / 18-hour run on 437 Binance + DefiLlama tokens, plus a scaled-down Python version over a 4-token bear-portfolio subset.