curl --request POST \
  --url https://backend.testeswaffle.org/streaks/share \
  --header 'Content-Type: application/json' \
  --data '{
    "email": "leitor@exemplo.com",
    "platform": "twitter"
  }'

{
  "success": true,
  "message": "Compartilhamento registrado com sucesso",
  "data": {
    "shareId": "share_123456",
    "email": "leitor@exemplo.com",
    "platform": "twitter",
    "sharedAt": "2024-01-20T15:30:00Z",
    "currentStreak": 30
  }
}