Z-Screen pilot v2.0.0

Update data and model-weight licensing to CC BY-NC 4.0

v1.5.1: update cluster pathway annotations and summary counts

v1.5.0: restore control-context loaders in data.py, version pin 1.5.0, refreshed manifest

v1.5.0: restore control-context loaders in data.py, version pin 1.5.0, refreshed manifest

v1.5.0 (2026-08-31): annex_clusters census, ensemble rescoring panel, fold-0 baselines, docs/summary, LIMITS.md renamed HOW_TO_READ.md (part 2)

v1.4.0: references updated after retiring INTERPRETATION_LIMITS

v1.4.0: add annex_phenomimicry (43-set CRISPR-KO concordance, empirical-null calibrated); slim ledger to 1,027 rows; update docs

v1.3.0: add annex_controls — measured mRNA profiles of the 35 control compounds (5 contexts, 256k wells)

Add files using upload-large-folder tool