using System.ComponentModel.DataAnnotations; namespace Nuuru.Server.Models { public class UserInventoryItem { public int Id { get; set; } public Guid UserId { get; set; } public ApplicationUser User { get; set; } = null!; [Required] [MaxLength(50)] public string ItemId { get; set; } = string.Empty; public int Quantity { get; set; } = 1; public DateTime AcquiredAt { get; set; } = DateTime.UtcNow; public DateTime UpdatedAt { get; set; } = DateTime.UtcNow; } }