Record current MPFB body prototype measurement and neck review

MEMORY.md

@@ -33,12 +33,14 @@ canonical implemented-features list in `docs/development-status.md`.
   points/weights, removes the rig, applies the helper MASK, scales to 1.81 m, retargets the A-pose
   arms to the contract wrist, cuts the neck at 1.505, decimates, bisects the clothing boundaries,
   paints the five slots, adds a short neck flare, project hands, rounded shoes and cuffs, the
-  accepted head and the 14-bone contract armature. Current output: **15,917 tris / 9,543 raw verts /
-  1.811 m / 14 bones / 10 materials**; `inspect` clean and feet grounded. **Not accepted yet:** the
-  neckline reads as a short collar, the 2k-tri body budget leaves boxy/finned outer thighs, the
-  shoes are blocky, and torso/hip/arm seam gaps appear when the body target is raised. The prototype
-  uses flat slot colours because the one-shot MPFB UV unwrap does not match the per-slot NPC
-  atlases. Renders: `tmp/npc-parts/mpfb_proto/renders/`; body-only: `body_only.glb`.
+  accepted head and the 14-bone contract armature. Current output: **15,333 tris / 9,241 raw verts /
+  13,314 seam-split verts / 1.810 m / 14 bones / 10 materials**; `inspect` clean and feet grounded.
+  **Not accepted yet:** the decimated neck stub is boxy under the accepted head, the shoes are
+  block-shaped, the ankles taper to points above them, and the shirt hem forms a V at the crotch.
+  A torus collar, a cloth cylinder collar and a skin neck-blend sphere were all tried and removed:
+  they read as a brace, a shelf or a donut. The prototype uses flat slot colours because the
+  one-shot MPFB UV unwrap does not match the per-slot NPC atlases. Renders:
+  `tmp/npc-parts/mpfb_proto/renders55/`; body-only: `body_only.glb`.
 - **Project agent skills (2026-11-03):** two tracked skills live in `.agents/skills/`:
   `gig-line-blender-asset-contract` and `gig-line-release-qa`. They are guidance only,
   add no runtime dependency and are referenced from `tools/README.md`. The third-party