curl --request PATCH \
  --url https://api.agentixx.io/api/broadcasts/{id} \
  --header 'Content-Type: application/json' \
  --header 'x-tenant-id: <api-key>' \
  --cookie better-auth.session_token= \
  --data '
{
  "name": "Updated Campaign",
  "scheduledAt": "2026-04-01T10:00:00Z"
}
'

{
  "ok": true
}