Audit NPC body proportions against a shared guide

Measure all eight exported characters and record the stylized proportion bands. All variants pass; no skeleton or mesh rescale was needed.

docs/README.md

@@ -12,6 +12,7 @@ This folder holds the project documentation, visual references and generated QA
 - [`getting-started.md`](getting-started.md) — setup, run/test commands and controls
 - [`asset-tooling.md`](asset-tooling.md) — image/model pipelines and screenshot gates
 - [`npc-visual-review.md`](npc-visual-review.md) — NPC visual baseline, acceptance criteria and ranked gaps
+- [`npc-proportion-audit.md`](npc-proportion-audit.md) — NPC proportion ratios and stylized guide results
 - [`development-status.md`](development-status.md) — implemented features and current gaps
 - [`smoke-checklist.md`](smoke-checklist.md) — manual verification
 - [`ui-copy.md`](ui-copy.md) — screen, copy and button inventory