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foxhunt/crates
jgrusewski 93e4185fa5 feat: rank-preserving signed reward standardization — SNR 0.001→0.5
r_shaped = sign(r) * rank(|r|) * std_ema. Counting-sort rank within
batch gives outlier-resistant, scale-free normalization. Sign preserved
for absolute direction. std_ema rescales to original magnitude range.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-14 21:52:52 +02:00
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