curl --request PUT \
  --url https://app.solya.app/api/return-policies/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "requiresConditionAssessment": true,
  "requiresReasonCode": false,
  "restockingFeePct": 5.5,
  "returnWindowDays": 30
}
'

{
  "createdAt": "2026-01-10T08:00:00.000Z",
  "id": "policy-uuid-1",
  "organizationId": "org-uuid-123",
  "requiresConditionAssessment": true,
  "requiresReasonCode": false,
  "restockingFeePct": 5.5,
  "returnWindowDays": 30,
  "supplierId": "supplier-uuid-aaa",
  "updatedAt": "2026-06-05T12:00:00.000Z"
}