Gate setup and admin navigation

src/app/setup/page.tsx

@@ -3,21 +3,10 @@ import { hash } from "bcryptjs";
 import { prisma } from "@/lib/prisma";
 import { SYSTEM_PERMISSIONS } from "@/lib/access";
 import { setSession } from "@/lib/session";
+import { hasAdminUser } from "@/lib/setup";
 
 export const dynamic = "force-dynamic";
 
-async function hasAdmin() {
-  try {
-    const admin = await prisma.userRole.findFirst({
-      where: { role: { name: "admin" } },
-      select: { userId: true }
-    });
-    return Boolean(admin);
-  } catch {
-    return false;
-  }
-}
-
 async function createFirstAdmin(formData: FormData) {
   "use server";
 
@@ -95,7 +84,7 @@ async function createFirstAdmin(formData: FormData) {
 }
 
 export default async function SetupPage() {
-  if (await hasAdmin()) {
+  if (await hasAdminUser()) {
     redirect("/login");
   }