Enhance bulk delete functionality to support multiple checkbox naming conventions and improve debug information display when no items are deleted.

generic/templates/generic/partials/bulk_delete_result.html

@@ -2,3 +2,12 @@
 {% if errors %}
   <div class="alert alert-warning">Errors: {{ errors }}</div>
 {% endif %}
+
+{% if deleted == 0 and debug_post %}
+  <details>
+    <summary>Debug: POST data received</summary>
+    <pre>{{ debug_post|pprint }}</pre>
+    <p>Computed ids: {{ debug_ids }}</p>
+    <p>App: {{ debug_app }}</p>
+  </details>
+{% endif %}