feat: add student points endpoints

Tiku.Api/Contracts/PointDtos.cs

@@ -0,0 +1,48 @@
+using System.ComponentModel.DataAnnotations;
+using Tiku.Application.Points;
+
+namespace Tiku.Api.Contracts;
+
+public sealed class PointQueryDto
+{
+    [Range(1, 200)]
+    public int? Limit { get; set; }
+
+    [StringLength(32)]
+    public string? Status { get; set; }
+
+    public Guid? RegionId { get; set; }
+
+    public PointLimitQuery ToQuery()
+    {
+        return new PointLimitQuery(Limit, Status, RegionId);
+    }
+}
+
+public sealed class ClaimPointTaskDto
+{
+    [Required]
+    [StringLength(100)]
+    public string TaskKey { get; set; } = string.Empty;
+
+    [StringLength(100)]
+    public string? SourceType { get; set; }
+
+    public Guid? SourceId { get; set; }
+
+    public ClaimPointTaskCommand ToCommand()
+    {
+        return new ClaimPointTaskCommand(TaskKey, SourceType, SourceId);
+    }
+}
+
+public sealed class CreatePointExchangeOrderDto
+{
+    [Required]
+    public Guid ItemId { get; set; }
+
+    public CreatePointExchangeOrderCommand ToCommand()
+    {
+        return new CreatePointExchangeOrderCommand(ItemId);
+    }
+}