Narrow the sunglasses and fix portrait-type parsing

Move the hinges to +/-0.075 (0.035 box), arms to +/-0.098, and lenses to a
0.024 m radius while keeping the lens plane in front of the eyes. Rebuild the
GLB and AO; fit now measures 0.202 m total width (0.64x head). capture_realism
now parses the documented --portrait-type option instead of ignoring it.
Python tooling 87/87; headless 228/228.

TODO.md

@@ -16,11 +16,11 @@ live in `tools/blender_assets.py` (`_build_gear()`), the contract in `docs/blend
       bounding box with head-band status or skirt clearance. Current measurements: head width
       0.315 m; coat skirt 0.225 m, dress 0.260 m; sunglasses 0.282 m (0.90x head); shoulder-bag
       x-clearance -0.025 m on the coat (radial -0.031 m on the dress).
-- [ ] Narrow `sunglasses` from 0.28 m to ~0.20 m. The width is driven by the arms/hinges
-      (`Hinge` at `x = ±0.11` with a 0.06 box, `Arm` at `±0.138`), not by the 0.03 m lenses, so
-      pull those in first and shrink the lenses to ~0.024 m radius; keep the lens plane at
-      `y = -0.152` (in front of the sclera) and `z = 0.035` (eye line) so it does not ride up
-      over the new brow ridge.
+- [x] Narrow `sunglasses` from 0.28 m to ~0.20 m. The hinges moved to ±0.075 (0.035 box), the
+      arms to ±0.098, and the lenses are 0.024 m radius at the same `y=-0.152`, `z=0.035` plane.
+      Rebuilt GLB/AO: measured width **0.202 m** (0.64x head), still inside the head band.
+      Also fixed `capture_realism.gd` so `--portrait-type=N` is actually parsed (it was documented
+      but ignored).
 - [ ] Fix `shoulder_bag` clipping through `npc_coat`/`npc_dress`: the bag body spans `|x|`
       0.17–0.25 at the hip while the skirt flares to 0.225–0.26, so its inner half is inside the
       cloth. Move it outboard (or up onto the belt line) until the inner face clears the flare,