chore: import upstream snapshot with attribution

apps/webapp/app/routes/admin.api.v1.simulate-error.ts

@@ -0,0 +1,12 @@
+import { type DataFunctionArgs } from "@remix-run/node";
+import { requireUser } from "~/services/session.server";
+
+export async function loader({ request }: DataFunctionArgs) {
+  const user = await requireUser(request);
+
+  if (!user.admin) {
+    throw new Response("You must be an admin to perform this action", { status: 403 });
+  }
+
+  throw new Error("Test error");
+}