ai rec works

as intended, needs refinments

apps/admin/src/app/api/users/route.ts

@@ -74,7 +74,7 @@ export async function POST(request: NextRequest) {
     }
 
     // Enforce Hierarchy
-    const allowed = {
+    const allowed: Record<string, string[]> = {
       superAdmin: ["admin", "trainer", "client"],
       admin: ["trainer", "client"],
       trainer: ["client"],