Phase 8 checkpoint

AGENTS.md

@@ -133,6 +133,8 @@ cmake --build build --target demoSokoban      # Demo: forklift sokoban activity
 cmake --build build --target demoTaxi         # Demo: taxi driver (procedural town, sedans, NPC traffic, fare chain)
 cmake --build build --target characters-all   # All adult/baby/child/teenager/elder character assets
 cmake --build build --target character-assets-check # Validate age catalogs/LODs/resource tree
+# Optional: seed a detailed-nude source blend from the existing base parts
+cmake --build build --target init-nude-male
 ```
 
 ### Parallel asset builds
@@ -395,6 +397,10 @@ JPH::BodyID body = physics->createBody(shape, 1.0f, position, rotation,
      adult → age-band seed converter (rig scaling, mesh/shape-key
      deformation, garment/hair conversion, animation retargeting; contract:
      `assets/blender/characters/AGES-PLAN.md`)
+   - `characters/make_nude_blend.py` - seeds the optional
+     `nude-<stem>.blend` detailed-nude source files from the existing
+     layer-0 body parts (`init-nude-<stem>` targets; the build appends the
+     file after all clothing stages)
    - `characters/validate_age_assets.py` - structural validation of the
      generated age catalogs/LODs/resource tree
 3. **Build**: CMake processes assets during build