Rewrite NPC plans around the Quaternius base

docs/3d-model-review.md

@@ -85,10 +85,12 @@ Readings:
 
 ## Baseline inventory (2026-11-04)
 
-Recorded for the Blender NPC model overhaul track: the exact starting point before the local
-part pipeline is built. `npc_base.blend` is the frozen fallback; the 12 characters are assembled
-procedurally by `tools/blender_assets.py`; the MakeHuman prototypes live under `tmp/npc-research/`
-and are not the shipped path.
+Recorded for the character baseline before the Quaternius migration. `npc_base.blend` is the
+frozen fallback; the 12 characters are currently assembled procedurally by
+`tools/blender_assets.py`. The active plan is now the CC0 Quaternius base bake
+([ADR-0017](adr/0017-quaternius-npc-base.md)); this section and the MakeHuman notes below are the
+pre-migration record. The MPFB/MakeHuman development files were removed from `tmp/` after the
+2026-11-05 pivot.
 
 ### `assets/models/npc/npc_base.blend` (frozen fallback)
 
@@ -143,7 +145,7 @@ width scale.
   287–440 px/m via the 4× repeat; runtime tint carries the look. This is a recorded note until a
   portrait shows texture starvation.
 
-### MakeHuman prototypes (not shipped; `tmp/npc-research/makehuman/`)
+### MakeHuman prototypes (historical, not shipped; research files removed from `tmp/`)
 
 | File | Verts / tris | Bones | Slots | Note |
 | --- | ---: | ---: | --- | --- |
@@ -242,7 +244,7 @@ nose/lip/chin relief cleanly.
 
 The judge then compared the displacement head against the **decimated MakeHuman head**
 (extracted from `makehuman_retargeted.glb`, 2,009 verts / 1,573 tris, saved as
-`tmp/npc-parts/makehuman_head.glb`) and returned a decisive result: **ship the MakeHuman head** —
+the local `makehuman_head.glb`) and returned a decisive result: **ship the MakeHuman head** —
 it keeps the nose/chin/jaw landmarks at a fraction of the cost, while the procedural head's
 "clean ellipse outline instantly screams procedural sphere".