Add MakeHuman head hair/body prototype and 12-variant rollout plan

docs/npc-model-sourcing.md

@@ -46,13 +46,13 @@ project head/hands swap reduced this to **6,407 / 16,000 tris and**
 **6,651 / 16,000 verts**, but manual shoulder/neck retopology and part cleanup
 remain before it can be considered shippable.
 
-A standalone MakeHuman head prototype is recorded in
-[`makehuman-head-review.md`](makehuman-head-review.md); it remains local/un-integrated
-until the overhaul accepts it.
-
-The head/face/hand overhaul in [`TODO.md`](../TODO.md) is the prerequisite: the
-MakeHuman body should reuse the approved local head/hand parts rather than
-forking a second face implementation.
+A standalone MakeHuman head is recorded in
+[`makehuman-head-review.md`](makehuman-head-review.md). The owner accepted the basic
+human head on 2026-11-04; the assembled path (`build_character(head="mh")`) adds a
+skull-conforming hair cap and hides the scalp under it. The 12 shipped GLBs still use
+the procedural head until the hair/body review and rollout in [`TODO.md`](../TODO.md).
+The MakeHuman body should reuse the approved local head/hand parts rather than forking
+a second face implementation.
 
 ## Provenance rules