v5.22.12
Code-only release (reuses data bundle v5.22.6). Adds family_group + display_name columns to cancer-family-panels.csv making the fine->coarse lineage taxonomy explicit (closes #353); ESCA_SQ->SQUAMOUS, HEME_*->HEMATOLYMPHOID, GLIAL->CNS, CNS_EMBRYONAL its own group. New cancer_family_groups()/cancer_family_display_names() accessors. PR #354.