fix: normalize exported texture filenames

lib/asset-classification.ts

@@ -1,6 +1,6 @@
 import { getAssetFamily } from './asset-naming'
 
-export type AssetCategory = 'color' | 'diffuse' | 'roughness' | 'normal' | 'metalness' | 'opacity' | 'assets'
+export type AssetCategory = 'color' | 'diffuse' | 'roughness' | 'normal' | 'metalness' | 'height' | 'opacity' | 'orm' | 'ao' | 'assets'
 
 export function classifyAssetCategory(filename: string): AssetCategory {
   const name = filename.replace(/\.[^.]+$/, '')
@@ -26,9 +26,21 @@ export function classifyAssetCategory(filename: string): AssetCategory {
     return 'metalness'
   }
 
+  if (family === 'height') {
+    return 'height'
+  }
+
   if (family === 'opacity') {
     return 'opacity'
   }
 
+  if (family === 'orm') {
+    return 'orm'
+  }
+
+  if (family === 'ao') {
+    return 'ao'
+  }
+
   return 'assets'
 }