fix: add utilty function

api/src/utils/helpers/criteria.ts

@@ -0,0 +1,19 @@
+/*
+ * Copyright © 2025 Hexastack. All rights reserved.
+ *
+ * Licensed under the GNU Affero General Public License v3.0 (AGPLv3) with the following additional terms:
+ * 1. The name "Hexabot" is a trademark of Hexastack. You may not use this name in derivative works without express written permission.
+ * 2. All derivative works must include clear attribution to the original creator and software, Hexastack and Hexabot, in a prominent location (e.g., in the software's "About" section, documentation, and README file).
+ */
+
+import { FilterQuery } from 'mongoose';
+
+export const getCriteriaIds = <T extends { _id: string }>(
+  criteria: FilterQuery<T>,
+) => {
+  return Array.isArray(criteria._id.$in)
+    ? criteria._id.$in
+    : Array.isArray(criteria._id)
+      ? criteria._id
+      : [criteria._id];
+};