Add source-backed RoM heirloom reference curves

PLAYTEST_NOTES.md

@@ -3778,3 +3778,16 @@ Vite's existing large-chunk advisory remains informational.
   loot, and RoM class tests check that leveling boss item drops are empty,
   cards remain granted, and secondary stat growth uses the primary level.
   Source package contents are cataloged as unverified and were not granted.
+
+## RoM heirloom reference atlas (2026-09-23)
+
+- Rebuilt the client and reran `node scripts/playtest-rom-five.cjs` after adding
+  the source-backed 1–79 native-stat references. The live Rogue roster showed
+  its body and starter blade; the Dwarf Mage roster showed its body and staff.
+  Wailing Caverns showed the Rogue player and companion bodies with equipped
+  blade, shield, and staff silhouettes. No browser page errors occurred.
+  Evidence: `artifacts/playtest/rom-five/roster-preview.png`,
+  `dwarf-mage-roster.png`, and `dungeon-rogue.png` in the same directory.
+- These references are not equipped by the runtime, so this level-1 visual check
+  confirms the existing character path still renders. The reference suite
+  verifies the five class curves and source IDs at every level 1–79.