curl --request GET \
  --url https://lumina-api-production-ac85.up.railway.app/products

{
  "count": 123,
  "products": [
    {
      "productId": "0x0000000000000000000000000000000000000000000000000000000000000000",
      "shield": "0x0000000000000000000000000000000000000000",
      "payoutRatioBps": 123,
      "triggerProbBps": 123,
      "marginBps": 123,
      "durationSeconds": 123,
      "active": true
    }
  ]
}