feat: Add catalog-based material presets across structural nodes (#231)

* Add catalog-based material presets across structural nodes

* Fix material picker fallback and wall visible highlights

* Preserve wall materials in selection highlights

packages/viewer/src/components/renderers/slab/slab-renderer.tsx

@@ -2,7 +2,11 @@ import { type SlabNode, useRegistry } from '@pascal-app/core'
 import { useMemo, useRef } from 'react'
 import type { Mesh } from 'three'
 import { useNodeEvents } from '../../../hooks/use-node-events'
-import { createMaterial, DEFAULT_SLAB_MATERIAL } from '../../../lib/materials'
+import {
+  createMaterial,
+  createMaterialFromPresetRef,
+  DEFAULT_SLAB_MATERIAL,
+} from '../../../lib/materials'
 
 export const SlabRenderer = ({ node }: { node: SlabNode }) => {
   const ref = useRef<Mesh>(null!)
@@ -12,10 +16,18 @@ export const SlabRenderer = ({ node }: { node: SlabNode }) => {
   const handlers = useNodeEvents(node, 'slab')
 
   const material = useMemo(() => {
+    const presetMaterial = createMaterialFromPresetRef(node.materialPreset)
+    if (presetMaterial) return presetMaterial
     const mat = node.material
     if (!mat) return DEFAULT_SLAB_MATERIAL
     return createMaterial(mat)
-  }, [node.material, node.material?.preset, node.material?.properties, node.material?.texture])
+  }, [
+    node.material,
+    node.material?.preset,
+    node.material?.properties,
+    node.material?.texture,
+    node.materialPreset,
+  ])
 
   return (
     <mesh