List board item events

curl --request GET \
  --url https://api.wacht.dev/ai/actor-projects/{project_id}/board/items/{item_id}/events \
  --header 'Authorization: <api-key>'

[
  {
    "id": "<string>",
    "board_item_id": "<string>",
    "thread_id": "<string>",
    "execution_run_id": "<string>",
    "event_type": "<string>",
    "summary": "<string>",
    "body_markdown": "<string>",
    "details": {},
    "created_at": "2023-11-07T05:31:56Z"
  }
]