Card: declare numpy runtime dependency (caught by clean-environment verification)

Remove v1 root files from main (v1 available at tag v1)

Genderize v2: fused two-network model (v2.2), script-aware routing, country prior — honest model card; v1 preserved in tag v1

genderize cora + ultra: open weights (CC BY-NC 4.0), inference code (MIT), model card

initial commit