Update Healer Man server

PLAYTEST_NOTES.md

@@ -4,6 +4,20 @@ This file is the durable record of runtime behavior, regressions, and the
 evidence required before calling a visual bug fixed. Update it whenever scene,
 camera, input, physics, mob-rendering, or asset-loading code changes.
 
+## 2026-09-30 Dungeon graphics options
+
+- `scripts/playtest-graphics-options.cjs` entered WoW Wailing Caverns and RoM
+  Forsaken Abbey in headless Edge with an isolated temporary database. It changed
+  render resolution to 200%, texture filtering to 16×, shadows to High, and
+  ambient fill to High through the Options panel. No browser page errors occurred.
+- The canvas measured 1.38× pixel density under adaptive scaling and 2× after
+  the fixed setting, including after switching dungeons. The High setting
+  rendered both dungeon scenes without missing world geometry or textures.
+- Evidence: `artifacts/playtest/graphics-options/{wow-default,wow-high,rom-high,graphics-options,graphics-options-thor}.png`
+  and `results.json`. The screenshots show visual operation, not a controlled
+  lighting fidelity or frame-rate benchmark. Higher-resolution source textures
+  and original client lightmaps are not shipped as alternate runtime tiers.
+
 ## 2026-09-27 Bite-Sized editor movement regression
 
 - The original edit-mode action blocker also suppressed continuous movement and