🔧 fix bug in logger function

Author: LemonaOna

src/util/anonymize-key.ts

@@ -1,5 +1,9 @@
 const ANONYMIZED_KEY_LENGTH: number = 10;
 
-export function anonymizeKey(key: string): string {
+export function anonymizeKey(key: unknown): string {
+  if (!key || typeof key !== "string") {
+    return "UNKNOWN";
+  }
+
   return `***${key.slice(key.length - ANONYMIZED_KEY_LENGTH)}`;
 }