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/stair-segment/stair-segment-renderer.tsx

@@ -1,11 +1,12 @@
-import { type StairSegmentNode, useRegistry, useScene } from '@pascal-app/core'
+import { type AnyNodeId, type StairNode, type StairSegmentNode, useRegistry, useScene } from '@pascal-app/core'
 import { useLayoutEffect, useMemo, useRef } from 'react'
 import type * as THREE from 'three'
 import { useNodeEvents } from '../../../hooks/use-node-events'
-import { createMaterial, DEFAULT_STAIR_MATERIAL } from '../../../lib/materials'
+import { createMaterial, createMaterialFromPresetRef, DEFAULT_STAIR_MATERIAL } from '../../../lib/materials'
 
 export const StairSegmentRenderer = ({ node }: { node: StairSegmentNode }) => {
   const ref = useRef<THREE.Mesh>(null!)
+  const nodes = useScene((state) => state.nodes)
 
   useRegistry(node.id, 'stair-segment', ref)
 
@@ -14,12 +15,30 @@ export const StairSegmentRenderer = ({ node }: { node: StairSegmentNode }) => {
   }, [node.id])
 
   const handlers = useNodeEvents(node, 'stair-segment')
+  const parentNode =
+    node.parentId ? (nodes[node.parentId as AnyNodeId] as StairNode | undefined) : undefined
 
   const material = useMemo(() => {
-    const mat = node.material
+    const effectiveMaterialPreset = node.materialPreset ?? parentNode?.materialPreset
+    const effectiveMaterial = node.material ?? parentNode?.material
+
+    const presetMaterial = createMaterialFromPresetRef(effectiveMaterialPreset)
+    if (presetMaterial) return presetMaterial
+    const mat = effectiveMaterial
     if (!mat) return DEFAULT_STAIR_MATERIAL
     return createMaterial(mat)
-  }, [node.material, node.material?.preset, node.material?.properties, node.material?.texture])
+  }, [
+    node.materialPreset,
+    node.material,
+    node.material?.preset,
+    node.material?.properties,
+    node.material?.texture,
+    parentNode?.materialPreset,
+    parentNode?.material,
+    parentNode?.material?.preset,
+    parentNode?.material?.properties,
+    parentNode?.material?.texture,
+  ])
 
   return (
     <mesh