Raise the NPC character budget to 24k and refine the prototype neck

CHANGELOG.md

@@ -4,6 +4,14 @@ All notable user-facing changes to Gig Line. The format follows
 [Keep a Changelog](https://keepachangelog.com/en/1.1.0/), and versions use
 Semantic Versioning.
 
+## [Unreleased]
+
+### Changed
+
+- Raised the character mesh budget from 16,000 to 24,000 triangles and glTF
+  vertices so the MakeHuman head, MPFB body, fused neck and clothing variants
+  can fit without heavy decimation. Gear and prop budgets are unchanged.
+
 ## [0.9.8] — 2026-11-04
 
 ### Fixed