dotnet__skills/tests/dotnet-msbuild/build-perf-baseline/Common/Models.cs

namespace Common;

public class Entity
{
    public int Id { get; set; }
    public string Name { get; set; } = string.Empty;
    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
}

public class Result<T>
{
    public bool Success { get; set; }
    public T? Data { get; set; }
    public string? Error { get; set; }

    public static Result<T> Ok(T data) => new() { Success = true, Data = data };
    public static Result<T> Fail(string error) => new() { Success = false, Error = error };
}

public static class StringExtensions
{
    public static string Truncate(this string value, int maxLength)
    {
        if (string.IsNullOrEmpty(value)) return value;
        return value.Length <= maxLength ? value : value[..maxLength] + "...";
    }
}