ContactManagementAPI/Models/AdminHistoryEntry.cs

namespace ContactManagementAPI.Models
{
    public class AdminHistoryEntry
    {
        public string ActionType { get; set; } = string.Empty;
        public string EntityType { get; set; } = string.Empty;
        public int? EntityId { get; set; }
        public string Details { get; set; } = string.Empty;
        public string PerformedBy { get; set; } = string.Empty;
        public DateTime PerformedAt { get; set; }
    }
}