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/pages/api/stats/index.ts

@@ -42,7 +42,7 @@ async function post(req: NextApiRequest, res: NextApiResponse) {
 	}
 
 	const stats = req.body as Stat[];
-	await stats.forEach(async (stat) => await addDoc(collection(db, "stats"), stat));
+	await stats.forEach(async (stat) => await setDoc(doc(db, "stats", stat.id), stat));
 
 	const groupedStatsByAssignment = groupBy(
 		stats.filter((x) => !!x.assignment),