curl --request GET \
  --url http://localhost:3001/api/agents/{agentId}/stats \
  --header 'Authorization: Bearer <token>'

{
  "success": true,
  "stats": {
    "agentId": "<string>",
    "totalEpochs": 123,
    "totalVectors": 123,
    "currentRoot": "<string>",
    "lastEpoch": 123,
    "createdAt": "2023-11-07T05:31:56Z"
  },
  "message": "<string>"
}