Close private invitation recovery after saving credentials

curl -X POST "https://example.com/v1/invitations/acknowledge" \
  -H "Content-Type: application/json" \
  -d '{
    "invitationId": "550a4884-8473-4f2e-a6cf-551c16767d59",
    "handoffId": "b184a195-2969-4c7f-800d-96810c6d96b6"
  }'

{
  "acknowledged": true
}