Rebuild the NPC hands and add a hand capture

MEMORY.md

@@ -90,6 +90,11 @@ 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 hand pass (0.9.4, 2026-11-02):** palm radius 0.046 at z .742, scale (.80,.62,.88);
+  fingers are `tube` paths from z .758 to .681–.694 with tip spheres, thumb is a bent tube. The
+  optional hand capture is `capture_npc_baseline.gd -- --view=hand` (8 frames, baseline stays 48).
+  `npc_firefighter` is now at 4,948 verts (52 below the 5,000 cap); do not add hand/face geometry
+  without replacing something. Grip offsets remain open.
 - **UI flow smoke (2026-11-02):** `smoke_ui_flows.gd` boots the real scene and
   exercises inspection allow/deny, normal vs emergency radio, Help filtering,
   wand allow/deny and review return-to-menu. Keep this smoke in the 0.9.6