Changes

Co-authored-by: renee-png <262607627+renee-png@users.noreply.github.com>

src/routes/_authenticated/admin.tsx

@@ -105,8 +105,11 @@ function ClassesTab() {
   const { data: teachers } = useQuery({
     queryKey: ["teachers"],
     queryFn: async () => {
-      const { data } = await supabase.from("user_roles").select("user_id, profiles(id, full_name, email)").eq("role", "teacher");
-      return (data ?? []).map((d) => d.profiles as { id: string; full_name: string; email: string }).filter(Boolean);
+      const { data: r } = await supabase.from("user_roles").select("user_id").eq("role", "teacher");
+      const ids = (r ?? []).map((x) => x.user_id);
+      if (ids.length === 0) return [];
+      const { data } = await supabase.from("profiles").select("id, full_name, email").in("id", ids);
+      return data ?? [];
     },
   });