Create v2 run

curl --request POST \
  --url https://api.case.dev/agent/v2/run \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "agentId": "<string>",
  "prompt": "<string>",
  "guidance": "<string>",
  "model": "<string>",
  "objectIds": [
    "<string>"
  ],
  "callbackUrl": "<string>"
}
'

{
  "id": "<string>",
  "agentId": "<string>",
  "status": "queued",
  "objectIds": [
    "<string>"
  ],
  "createdAt": "2023-11-07T05:31:56Z"
}