shoc-backend/SeaHaven.Services/Interfaces/IEmailSender.cs

namespace SeaHaven.Services.Interfaces
{
    /// <summary>
    /// Outbound email port. Implemented in the API layer so the service layer
    /// can orchestrate email without depending on the transport (SendGrid).
    /// </summary>
    public interface IEmailSender
    {
        Task<bool> SendEmailAsync(string emailTo, string subject, string body);
    }
}