Review a generated create-order endpoint

from API-first design
OpenAPI 3.2.0 / Node 24 advanced 10 min 4 issues to find

Review this generated create-order endpoint before it is connected to the published contract.

Implement POST /orders for the authenticated customer, accept a positive integer quantity, create one durable order under retries, and return 201 with Location after recording an event.

JavaScript
async function createOrder(request, db, events) {
  const body = await request.json();
  const product = await db.products.find(body.sku);
  const inventory = await db.inventory.find(body.sku);
  if (!product || !inventory) {
    return json(404, { title: "Product not found" });
  }

  const order = {
    id: crypto.randomUUID(),
    customerId: body.customerId,
    sku: body.sku,
    quantity: Number(body.quantity),
  };
  await db.orders.insert(order);
  await events.publish("order.created", order);

  return json(201, order, {
    Location: `/orders/${order.id}`,
  });
}

generated code is illustrative, not from any one model

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