Seal transaction limit coverage gaps

app/po/api/engine/proceed_to_supplier_credit_note.php

@@ -3,6 +3,7 @@
     require_once '../../../assets/utils/db_auth.php';
     require_role($user_role, ['owner', 'admin', 'staff']);
     require_once '../../../assets/utils/classes/InvoiceManager.php';
+    require_once '../../../assets/utils/classes/UsageGuard.php';
 
     $return_id = (int)($data['return_id'] ?? 0);
 
@@ -22,6 +23,7 @@
 
         $answer['success'] = 1;
         $answer['new_id']  = $new_id;
+        (new UsageGuard($pdo1, $company_id, $packages))->increment();
 
     } catch (PDOException $e) {
         $answer['message'] = 'Database error, please try again.';