260322:1648 Correct Coresspondence / Doing RFA / Correct CI

frontend/lib/utils/uuid-guard.ts

@@ -0,0 +1,13 @@
+/**
+ * UUID Guard Utility
+ * Ensures a string is a valid UUIDv7 (or compatible) before processing.
+ */
+export const assertUuid = (value: string): string => {
+  const uuidRegex = /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i;
+
+  if (!uuidRegex.test(value)) {
+    throw new Error(`Invalid UUID format: ${value}`);
+  }
+
+  return value;
+};