Upload bootstrap_corpus.npz with huggingface_hub

Upload bootstrap_corpus_v6w25.npz with huggingface_hub

overwrite canonical with v7 (Elo-weighted, §148)

v7 corpus: Elo-weight fix (per-position weights baked into NPZ for WeightedRandomSampler)

add v7 corpus: human-only Elo-weighted (§148, 6259 games / 353091 positions, 8-plane)

bootstrap_corpus.npz: v6 human-only 8-plane (353k pos, 6259 games, f16)

add v6 human-only pretrain corpus (353k pos, 8-plane, 6259 games)

Update Corpus to V6

add dataset card

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initial commit