Bound request bodies and artifact uploads (Refs #94)

src/routes/api/betas/presets/+server.ts

@@ -1,4 +1,5 @@
-import { json } from '@sveltejs/kit';
+import { jsonBody } from '$lib/server/request-body.js';
+import { isHttpError, json } from '@sveltejs/kit';
 import { db } from '$lib/server/db/index.js';
 import { builtInPlans, parseBetaPlan } from '$lib/beta-plan.js';
 export function GET() {
@@ -14,7 +15,7 @@ export function GET() {
 }
 export async function POST({ request }: { request: Request }) {
     try {
-        const body = await request.json();
+        const body = await jsonBody(request);
         if (typeof body.name !== 'string' || !body.name.trim() || body.name.length > 80)
             throw new Error('Preset name must be 1–80 characters');
         if (builtInPlans.some((p) => p.name === body.name.trim()))
@@ -27,6 +28,7 @@ export async function POST({ request }: { request: Request }) {
             .run(body.name.trim(), JSON.stringify(plan));
         return json({ ok: true });
     } catch (error) {
+        if (isHttpError(error, 413)) throw error;
         return json({ ok: false, error: (error as Error).message }, { status: 400 });
     }
 }