大量后端代码格式化

Entity/EmailMessage.cs

@@ -1,6 +1,4 @@
-using System.Security.Cryptography;
-
-namespace Entity;
+namespace Entity;
 
 /// <summary>
 /// 邮件消息实体
@@ -39,7 +37,7 @@ public class EmailMessage : BaseEntity
     public string ComputeBodyHash()
     {
         using var md5 = MD5.Create();
-        var inputBytes = System.Text.Encoding.UTF8.GetBytes(Body + HtmlBody);
+        var inputBytes = Encoding.UTF8.GetBytes(Body + HtmlBody);
         var hashBytes = md5.ComputeHash(inputBytes);
         return Convert.ToHexString(hashBytes);
     }

Entity/GlobalUsings.cs

@@ -1 +1,3 @@
-global using FreeSql.DataAnnotations;
+global using FreeSql.DataAnnotations;
+global using System.Security.Cryptography;
+global using System.Text;

Entity/PushSubscription.cs

@@ -12,6 +12,6 @@ public class PushSubscription : BaseEntity
     public string? Auth { get; set; }
 
     public string? UserId { get; set; } // Optional: if you have user authentication
-    
+
     public string? UserAgent { get; set; }
 }