Inventory the Quaternius GLBs: meshes, 62 joints, 24 clips and the material-slot map

TODO.md

@@ -46,9 +46,13 @@ baseline sheet.
       Verified: the three GLBs are in `tmp/npc-research/quaternius/`, SHA-256 re-hash matches the
       recorded table, the mirror HTML/README are retained next to the folder, and the download
       date (2026-11-03) is now recorded.
-- [ ] Inventory the four meshes, 62 joints, 24 clips and material names in each GLB; map
+- [x] Inventory the four meshes, 62 joints, 24 clips and material names in each GLB; map
       Quaternius materials to the five project slots (`skin`, `cloth`, `pants`, `accessory`,
       `hair`).
+      Recorded in `docs/npc-model-sourcing.md` §Quaternius GLB inventory: 4 meshes per GLB
+      (Body/Feet/Head/Legs, 10.5k–13.0k verts), 62 joints (8 spine + 8 arm + 2 PT + 30 finger +
+      6 leg), 24 shared clips (retarget scope: Idle + Walk), and the material→slot map by mesh
+      region (Skin→skin; head hair→hair; body→cloth; legs→pants; feet→accessory).
 - [ ] Choose the initial outfit scope: build the three full GLBs first; only use the 21-part
       modular builder if the three looks cannot cover the 12 roles.
 - [ ] Build a canonical `quaternius_base.glb`: one welded, triangulated, grounded 1.81 m