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

src/Scanner/__Tests/StellaOps.Scanner.CallGraph.Tests/BenchmarkIntegrationTests.cs

@@ -20,7 +20,7 @@ public class BenchmarkIntegrationTests
         var snapshot = await extractor.ExtractAsync(new CallGraphExtractionRequest(
             ScanId: $"bench-{caseName}",
             Language: "node",
-            TargetPath: caseDir));
+            TargetPath: caseDir), CancellationToken.None);
 
         var analyzer = new ReachabilityAnalyzer();
         var result = analyzer.Analyze(snapshot);