Initial commit: HelpDesk ICHN - .NET 10 backend + Next.js 16 frontend

backend/HelpDesk.Models/Entities/SLAPolicy.cs

@@ -0,0 +1,28 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace HelpDesk.Models.Entities;
+
+[Table("sla_policies")]
+public class SLAPolicy
+{
+    [Key]
+    public Guid Id { get; set; }
+
+    [Required]
+    [MaxLength(100)]
+    public string Name { get; set; } = string.Empty;
+
+    [MaxLength(500)]
+    public string? Description { get; set; }
+
+    public int ResponseTimeHours { get; set; }
+    public int ResolutionTimeHours { get; set; }
+
+    public bool IsActive { get; set; } = true;
+
+    public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+
+    // Navigation
+    public ICollection<Ticket> Tickets { get; set; } = new List<Ticket>();
+}