curl --request POST \
  --url https://app.myhero.so/ai-agent/stream \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "chatMessages": [
    {
      "type": "user",
      "text": "<string>",
      "metadata": {}
    }
  ],
  "context": {
    "documentId": "<string>",
    "projectId": "<string>",
    "workspaceId": "<string>",
    "organizationId": "<string>",
    "mentions": [
      "<unknown>"
    ]
  },
  "options": {
    "provider": "<string>",
    "model": "<string>"
  },
  "attachments": [
    {
      "filename": "<string>",
      "mimeType": "<string>",
      "base64": "<string>",
      "size": 1
    }
  ],
  "sessionId": "<string>"
}
'

{
  "type": "delta",
  "data": "<unknown>"
}