curl --request GET \
  --url https://api.promptmetrics.dev/template/tree \
  --header 'Authorization: Bearer <token>'

{
  "responseData": {
    "data": [
      {
        "id": "folder_1",
        "name": "Root Folder",
        "is_folder": true,
        "children": [
          {
            "id": "prompt_1",
            "name": "Sales Prompt",
            "is_folder": false,
            "children": []
          }
        ]
      }
    ]
  }
}