Built from /data/home/raychai/hf_datasets/pusht_96_norm4_visual_nomarker_allstep_thinking_trickiness_cot_stopreq_candidate_shuffle_20260604_004542 using manifest pusht_stopreq_plain_cot_aligned100k_v1.
Training rows are the first 100000 rows of the rewritten CoT source, resharded into 8 files for BAGEL_JSONL_STREAMING parity with the plain run.