Fixed creation of users + better frontend handling of permissions

frontend/types/global.d.ts

@@ -0,0 +1,16 @@
+// types/global.d.ts
+declare namespace DiffUtils {
+	function getDifferences<T extends object>(obj1: T, obj2: T): Partial<T>;
+	function isEmpty<T extends object>(obj: T): boolean;
+}
+
+declare global {
+	interface Window {
+		DiffUtils: typeof DiffUtils;
+	}
+	namespace NodeJS {
+		interface Global {
+			DiffUtils: typeof DiffUtils;
+		}
+	}
+}