Optimize asset checks

src/types/assets.ts

@@ -1,5 +1,8 @@
 export type Transformation = {
+	key?: string;
 	w?: number; // width
 	h?: number; // height
 	f?: 'cover' | 'contain'; // fit
 };
+
+// @NOTE Keys used in Transformation should match ASSET_GENERATION_QUERY_KEYS in constants.ts