Raise NPC texture maps to 256

docs/asset-tooling.md

@@ -104,8 +104,9 @@ python3 tools/npc_pipeline.py palette
 ```
 
 `prepare` resizes the AI fabric tiles (kept locally in `assets/textures/npc/ai/`,
-which is gitignored) onto the `cloth`/`pants` albedos; `build` bakes them into the
-`.glb` and regenerates the procedural normal + packed ORM maps. `palette` writes
+which is gitignored) onto the 256² `cloth`/`pants` albedos; `build` bakes them into
+the `.glb` and regenerates the procedural normal + packed ORM maps at the same
+256² size. `palette` writes
 `assets/textures/npc/palette.json` using `model_pipeline.dominant_colors`.
 
 ## Blender asset library (loaded by the game)