semantic update

frontend/src/lib/utils.js

@@ -1,4 +1,9 @@
+// [DEF:Utils:Module]
 /**
+ * @TIER: TRIVIAL
+ * @PURPOSE: General utility functions (class merging)
+ * @LAYER: Infra
+ * 
  * Merges class names into a single string.
  * @param {...(string | undefined | null | false)} inputs
  * @returns {string}
@@ -6,3 +11,4 @@
 export function cn(...inputs) {
     return inputs.filter(Boolean).join(" ");
 }
+// [/DEF:Utils:Module]