Lister les alertes

{
  "data": [
    {
      "id": "550e8400-e29b-41d4-a716-446655440000",
      "name": "Téléchargements excessifs",
      "is_active": true,
      "created_at": "2026-06-01T08:00:00Z",
      "action_type": "email",
      "transfer_id": null,
      "action_value": {
        "recipient": "alert@example.com"
      },
      "condition_type": "download_count",
      "condition_value": {
        "threshold": 50
      },
      "last_triggered_at": "2026-06-05T10:30:00Z"
    }
  ],
  "object": "list"
}