fix: history promise

frontend/src/routes/(authenticated)/history/+page.ts

@@ -2,13 +2,18 @@ import type { Commit } from '$lib/history';
 import type { PageLoad } from './$types';
 
 export const load = (async ({ fetch }) => {
-	const response = await fetch(`/api/history`, {
+	const history_response = fetch(`/api/history`, {
 		method: 'GET',
 		headers: {
 			'content-type': 'application/json'
 		}
+	}).then((res) => {
+		if (!res.ok) {
+			throw new Error(`Failed to fetch history: ${res.status} ${res.statusText}`);
+		}
+		return res.json() as Promise<Commit[]>;
 	});
 	return {
-		history: response.json() as Promise<Commit[]>
+		history: history_response
 	};
 }) satisfies PageLoad;