Issue #3522906 by andrewbelcher: Add the token for the AI Agent itself

Closes #3522906

src/Form/AiAgentForm.php

@@ -164,8 +164,9 @@ final class AiAgentForm extends EntityForm {
 
       $form['prompt_detail']['token_help'] = [
         '#theme' => 'token_tree_link',
+        // Other modules may provide token types.
         '#token_types' => [
-          'kanban_project',
+          'ai_agent',
         ],
       ];
     }