curl --request POST \
  --url https://app.myhero.so/ai-agent/undo \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "sessionId": "<string>"
}
'

{
  "success": true,
  "hasUndo": true,
  "results": [
    {
      "domain": "<string>",
      "action": "<string>",
      "success": true,
      "error": "<string>"
    }
  ],
  "changes": [
    {
      "id": "<string>",
      "name": "<string>",
      "entityType": "document",
      "actions": [
        "<string>"
      ],
      "snapshotId": "<string>"
    }
  ]
}