Execute ad-hoc v2 agent

curl --request POST \
  --url https://api.case.dev/agent/v2/execute \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "prompt": "<string>",
  "instructions": "<string>",
  "model": "<string>",
  "vaultIds": [
    "<string>"
  ],
  "objectIds": [
    "<string>"
  ],
  "guidance": "<string>",
  "enabledTools": [
    "<string>"
  ],
  "disabledTools": [
    "<string>"
  ],
  "sandbox": {
    "cpu": 123,
    "memoryMiB": 123
  }
}
'

{
  "runId": "<string>",
  "agentId": "<string>",
  "status": "running",
  "provider": "daytona",
  "runtimeState": "running",
  "message": "<string>"
}