feat(assets): assets selector

app/composables/useAssets.ts.in

@@ -92,9 +92,11 @@ const assets = {
   models: {{MODELS}} as const satisfies ModelTree,
 };
 
-export const useAssets = () => {
+type Assets = typeof assets;
+
+export const useAssets = <T = Assets>(selector: (assets: Assets) => T = (a) => a as T) => {
   return {
-    assets,
+    assets: selector(assets),
     loaded,
     total,
     isReady,