feat: Enhance wall asset interaction and management; implement position updates and add closest point calculation utility

app/src/store/builder/useWallAssetStore.ts

@@ -6,6 +6,7 @@ interface WallAssetStore {
     setWallAssets: (assets: WallAsset[]) => void;
     addWallAsset: (asset: WallAsset) => void;
     updateWallAsset: (uuid: string, updated: Partial<WallAsset>) => void;
+    setWallAssetPosition: (uuid: string, position: [number, number, number]) => void;
     removeWallAsset: (uuid: string) => void;
     clearWallAssets: () => void;
 
@@ -37,6 +38,13 @@ export const createWallAssetStore = () => {
                 }
             }),
 
+            setWallAssetPosition: (uuid, position) => set(state => {
+                const asset = state.wallAssets.find(a => a.modelUuid === uuid);
+                if (asset) {
+                    asset.position = position;
+                }
+            }),
+
             removeWallAsset: (uuid) => set(state => {
                 state.wallAssets = state.wallAssets.filter(a => a.modelUuid !== uuid);
             }),