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

src/EvidenceLocker/StellaOps.EvidenceLocker/StellaOps.EvidenceLocker.Tests/GoldenFixturesTests.cs

@@ -1,4 +1,4 @@
-using System.Linq;
+using System.Linq;
 using System.Security.Cryptography;
 using System.Text;
 using System.Text.Json;
@@ -77,7 +77,6 @@ public sealed class GoldenFixturesTests
     private static JsonElement ReadJson(string path)
     {
         using var doc = JsonDocument.Parse(File.ReadAllText(path), new JsonDocumentOptions { AllowTrailingCommas = true });
-using StellaOps.TestKit;
         return doc.RootElement.Clone();
     }
 }