managed voice session

{
  "ok": true,
  "clientSecret": "[redacted]",
  "expiresAt": 987654321,
  "model": "gpt-realtime-2",
  "transcriptionModel": "gpt-4o-transcribe",
  "tools": [
    "openwork_snapshot",
    "openwork_list_actions",
    "openwork_execute_action"
  ],
  "source": "openwork-models"
}