Polish the prototype shoes and thigh silhouette

TODO.md

@@ -203,8 +203,8 @@ owner reviews the silhouette and a production integration decision is recorded.
       apply the helper MASK, scale to 1.81 m, retarget the A-pose arms to the contract wrist
       (`x=±0.27`, `z=0.78`), cut the neck at 1.505, decimate, bisect the clothing boundaries, paint
       the five slots, add a short neck flare, project hands, rounded shoe shells, cuffs, the
-      accepted head and the 14-bone armature. Current output: **15,453 tris / 13,630 glTF verts /
-      13,638 seam-split verts / 1.810 m / 14 bones / 10 materials**; `inspect` clean, feet grounded.
+      accepted head and the 14-bone armature. Current output: **15,213 tris / 13,391 glTF verts /
+      13,398 seam-split verts / 1.810 m / 14 bones / 10 materials**; `inspect` clean, feet grounded.
 - [x] Replace the spiky decimated MPFB hands with the project palm/finger primitives, straighten the
       splayed MPFB feet so the shoes point forward, and use rounded shoe shells + cuffs instead of
       flat blocks. Use flat slot colours in the prototype because the one-shot MPFB UV unwrap does
@@ -219,10 +219,14 @@ owner reviews the silhouette and a production integration decision is recorded.
       without moving the collar boundary.
 - [x] Shrink the shoes and seat the ankles: shoe shell 0.12 × 0.30 × 0.12 m, sole 0.13 × 0.32 m,
       shoe centre x=0.17, with a 0.08 m pant cuff (r 0.055/0.061) bridging leg and shoe.
-- [ ] Owner reviews the updated MPFB body renders (`tmp/npc-parts/mpfb_proto/renders63/`).
-      Remaining known defects: shoe toe still reads as a bulb, white shirt hem forms a V at the
-      crotch, shirt still reads skin-tight, and the 2k-tri body budget leaves some angular thigh
-      facets. These are polish, not blockers for the body direction.
+- [x] Replace the bulbous toe/heel spheres with a single bevelled shoe shell (bevel 0.042, 3
+      segments) and add one light smoothing pass to the closed thigh/hip region.
+- [x] Reject the untucked shirt-hem band: both the 0.09 m and 0.12 m cloth cylinders read as a
+      hanging white flap at the crotch. The V hem needs a proper clothing shell, not a band.
+- [ ] Owner reviews the updated MPFB body renders (`tmp/npc-parts/mpfb_proto/renders66/`).
+      Remaining known defects: white shirt hem still forms a V at the crotch, the shirt reads
+      skin-tight, and the 2k-tri body budget leaves some angular thigh facets. A shirt shell is
+      the proper fix for the first two; these are polish, not blockers for the body direction.
 - [ ] Fix the low-budget seams before any rollout: weld the torso/hip/arm components after the
       bisects, protect the hip/knee loops during decimation (or rebalance head/body triangles).
 - [ ] Record the production integration decision: either bake the approved MPFB body to a committed