Record the MakeHuman-head build outcome in the review doc and TODO

docs/3d-model-review.md

@@ -250,6 +250,13 @@ it keeps the nose/chin/jaw landmarks at a fraction of the cost, while the proced
 separate eye/mouth/brow pieces for readability, not the displacement shell. The displacement
 `_head_proto` stays local as a rejected variant.
 
+**Built (2026-11-04):** `_makehuman_head` in `blender_assets.py` imports the committed
+`assets/models/blender_src/makehuman_head.glb` (CC0, attributed in `CREDITS.md`), collapses it to
+one skin slot, bisects + caps the ragged neck, and adds the project sclera/iris/lids/brows/mouth
+at the MakeHuman landmarks. `build_character(name, head="mh")` assembles it; the result passes
+`inspect` (14 bones, skinned, no issues). The judge reads the face ~3.5/5; remaining polish is
+welding the added eye/brow pieces into the head shell and a skull-conforming hair cap.
+
 ### Head subdivision comparison (2026-11-04)
 
 Three `head_proto` variants at UV-sphere segments 24/48/64 were rendered at 1.85 m and 1.5 m in