Per-body-type texture maps (BaseColor, Normal, Roughness/ORM) for all
clothing items across all body types. Adds eyebrow variants, facial
hair (beard, moustache, mutton chops), hair styles (12 variants),
and head templates. Sprint 28 character visuals pipeline output.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>