Refactored evaluation process for improved efficiency:

- Initial response set to null; Frontend now generates a list of anticipated stats;
- Background evaluation dynamically updates DB upon completion;
- Frontend actively monitors and finalizes upon stat evaluation completion.

src/components/Exercises/Writing.tsx

@@ -26,6 +26,8 @@ export default function Writing({
 	const hasExamEnded = useExamStore((state) => state.hasExamEnded);
 
 	useEffect(() => {
+		if (localStorage.getItem("enable_paste")) return;
+
 		const listener = (e: KeyboardEvent) => {
 			if ((e.ctrlKey || e.metaKey) && e.key === "v") {
 				e.preventDefault();