feat: add local auth billing and usage management

app/api/settings/route.ts

@@ -1,12 +1,12 @@
 import { getApiSettings, saveApiSettings } from "@/lib/server/app-settings";
 import { jsonError, jsonOk, readJsonBody } from "@/lib/server/api";
-import { requireAdminUser } from "@/lib/server/auth/current-user";
+import { requireSuperAdminUser } from "@/lib/server/auth/current-user";
 
 export const runtime = "nodejs";
 
 export async function GET() {
   try {
-    await requireAdminUser();
+    await requireSuperAdminUser();
     return jsonOk(await getApiSettings());
   } catch (error) {
     return jsonError(error, 500);
@@ -15,7 +15,7 @@ export async function GET() {
 
 export async function POST(request: Request) {
   try {
-    await requireAdminUser();
+    await requireSuperAdminUser();
     const body = await readJsonBody<{ values?: Record<string, unknown> }>(request);
     return jsonOk(await saveApiSettings(body.values || {}));
   } catch (error) {