using System; namespace ContactManagementAPI.Models { public class ContactDocument { public int Id { get; set; } public int ContactId { get; set; } public Contact Contact { get; set; } public string DocumentPath { get; set; } public string FileName { get; set; } public long FileSize { get; set; } public string ContentType { get; set; } public string DocumentType { get; set; } // e.g., "ID", "Address", "Contract", etc. public DateTime UploadedAt { get; set; } } }