Round the NPC shoes and responder boots

MEMORY.md

@@ -96,6 +96,10 @@ Session memory for durable decisions, state, and gotchas. Keep concise, remove o
   0.150→0.146, chest 0.170→0.168, upper chest 0.172→0.170. This is a subtle shirt taper, not a
   skeleton change; all proportions pass and `sheet_npc_baseline_compare-torso.jpg` records it.
   Max character is 4,754 tris / 4,584 verts.
+- **NPC footwear pass (0.9.4, 2026-11-02):** added `ShoeToe`/`ShoeHeel` spheres to the casual shoe
+  and `BootToe`/`BootHeel` to responder boots; both stay above the sole/boot contact plane. Current
+  counts are 4,482–5,474 tris / 4,260–5,494 verts under 8,000/8,000. Sheet:
+  `sheet_npc_baseline_compare-shoes.jpg`.
 - **NPC hand-item forward offset (0.9.4, 2026-11-02):** `NpcAvatar.HAND_ITEM_FORWARD =
   Vector3(0,0,0.04)` is added in `_attach_gear()` for every `GEAR_ATTACH` hand item after the
   head/chest offsets. Hand gear is authored around the wrist proxy; without this, phone,