v2.1.1 — bio-sidecar split: roster file 21 cols; bio columns only in data/ncaa_athlete_bio_2025-26 (same values, same ids) (part 3)

v2.1.0 — named + enriched release (513,655 rows x 27 cols, 10 stats sidecars) (part 4)

v2.0.5: samples rebuilt from corrected master

feat: samples/ quick-start files — 10k stratified sample, data dictionary with coverage %, sport & school-sport summaries (parity with Kaggle mirror)