Fix build and code structure improvements. New but essential UI functionality. CI improvements. Documentation improvements. AI module improvements.

src/Scanner/__Tests/StellaOps.Scanner.Reachability.Tests/RichGraphPublisherTests.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Text.Json;
 using System.Threading.Tasks;
 using StellaOps.Cryptography;
@@ -49,7 +49,6 @@ public class RichGraphPublisherTests
 
         var payloadBytes = Base64UrlDecode(payloadBase64Url!);
         using var payloadDoc = JsonDocument.Parse(payloadBytes);
-using StellaOps.TestKit;
         Assert.Equal(
             result.GraphHash,
             payloadDoc.RootElement.GetProperty("hashes").GetProperty("graphHash").GetString());