fix: validation error handling (resolves #3)

src/routes/akti/[aktiId]/+page.server.ts

@@ -1,6 +1,6 @@
 import { db } from '$lib/server/db';
 import { aktis, ratings } from '$lib/server/db/schema';
-import { error, redirect, type Actions } from '@sveltejs/kit';
+import { error, fail, redirect, type Actions } from '@sveltejs/kit';
 import { and, eq } from 'drizzle-orm';
 import type { PageServerLoad } from './$types';
 import { ensureAuth } from '$lib/auth';
@@ -54,7 +54,7 @@ export const actions = {
 			)
 		).data;
 
-		if (!changeRequest) return error(400);
+		if (!changeRequest) return fail(400, { message: 'Invalid data' });
 
 		await db
 			.update(aktis)

src/routes/akti/[aktiId]/comment/+page.server.ts

@@ -1,6 +1,6 @@
 import type { PageServerLoad } from './$types';
 import { ensureAuth } from '$lib/auth';
-import { error, redirect, type Actions } from '@sveltejs/kit';
+import { error, fail, redirect, type Actions } from '@sveltejs/kit';
 import { extractFormData } from '$lib/extractFormData';
 import { aktis, ratings } from '$lib/server/db/schema';
 import { eq } from 'drizzle-orm';
@@ -54,7 +54,7 @@ export const actions = {
 			)
 		).data;
 
-		if (!rating) return error(400);
+		if (!rating) return fail(400, { message: 'Invalid data' });
 
 		await db.insert(ratings).values({
 			...rating,