curl -X POST "https://demo.api.vultlocal.com/api/v1/admin/logout" \
  -H "Content-Type: application/json" \
  -d '{
    "refresh_token": "rt_abc123xyz..."
  }'

{
  "success": true,
  "message": "Logged out successfully"
}

{
  "success": true,
  "message": "Token already revoked"
}