feat(api): add account workspaces and signed content events

server/src/WebDrop.Core/Errors.cs

@@ -21,6 +21,7 @@ public enum ErrorCode
     InvitationRequired,
     ChannelPasswordRequired,
     ChannelPasswordInvalid,
+    SpaceNameRequired,
 }
 
 /// <summary>预期内的业务失败。消息只含错误码,绝不回显用户提交的内容。</summary>
@@ -61,6 +62,7 @@ public static class ErrorCodes
         ErrorCode.InvitationRequired => "invitation_required",
         ErrorCode.ChannelPasswordRequired => "channel_password_required",
         ErrorCode.ChannelPasswordInvalid => "channel_password_invalid",
+        ErrorCode.SpaceNameRequired => "space_name_required",
         _ => "bad_request",
     };
 
@@ -72,6 +74,7 @@ public static class ErrorCodes
         ErrorCode.NotFound => 404,
         ErrorCode.Conflict => 409,
         ErrorCode.Sealed => 409,
+        ErrorCode.SpaceNameRequired => 400,
         ErrorCode.Gone => 410,
         ErrorCode.TooLarge => 413,
         ErrorCode.CaptchaRequired => 428,