Merge branch 'feature-nxdev' of https://gitea.nxsir.cn/code/IM into feature-nxdev

backend/IM_API/Dtos/User/UserDto.cs

@@ -0,0 +1,21 @@
+using IM_API.Models;
+using System.ComponentModel.DataAnnotations;
+
+namespace IM_API.Dtos.User
+{
+    public record PasswordResetDto
+    {
+        [Required(ErrorMessage = "旧密码不能为空")]
+        public string OldPassword { get; init; }
+
+        [Required(ErrorMessage = "新密码不能为空")]
+        [MaxLength(50, ErrorMessage = "密码不能超过50个字符")]
+        public string Password { get; init; }
+    }
+
+    public record OnlineStatusSetDto
+    {
+        [Required]
+        public UserOnlineStatus OnlineStatus { get; init; }
+    }
+}