- tweak: Migrate v3 profiles

Nebula.Shared/Models/Auth/LoginToken.cs

@@ -1,3 +1,6 @@
 namespace Nebula.Shared.Models.Auth;
 
-public sealed record LoginToken(string Token, DateTimeOffset ExpireTime);
+public sealed record LoginToken(string Token, DateTimeOffset ExpireTime)
+{
+    public static LoginToken Empty = new(string.Empty, DateTimeOffset.Now);
+}

Nebula.Shared/Models/ILoadingHandler.cs

@@ -7,6 +7,7 @@ public interface ILoadingHandler
 
     public void SetResolvedJobsCount(int count);
     public int GetResolvedJobsCount();
+    public void SetLoadingMessage(string message);
 
     public void AppendJob(int count = 1)
     {