CreateWebhookRequest

{
    "name": "Production Interview Events",
    "url": "https://your-system.example.com/webhooks/hb-interviews",
    "events": [
        "booking.created",
        "booking.confirmed",
        "booking.interview_completed",
        "booking.interview_report_available"
    ],
    "timeout_seconds": 10,
    "is_active": true
}