feat(ruby): Implement RubyManifestParser for parsing gem groups and dependencies

feat(ruby): Add RubyVendorArtifactCollector to collect vendor artifacts

test(deno): Add golden tests for Deno analyzer with various fixtures

test(deno): Create Deno module and package files for testing

test(deno): Implement Deno lock and import map for dependency management

test(deno): Add FFI and worker scripts for Deno testing

feat(ruby): Set up Ruby workspace with Gemfile and dependencies

feat(ruby): Add expected output for Ruby workspace tests

feat(signals): Introduce CallgraphManifest model for signal processing

tests/reachability/StellaOps.ScannerSignals.IntegrationTests/ScannerToSignalsReachabilityTests.cs

@@ -202,11 +202,17 @@ public sealed class ScannerToSignalsReachabilityTests
                 throw new InvalidOperationException($"Hash mismatch for {request.FileName}: expected {request.Hash} but computed {computedHash}.");
             }
 
+            var casUri = $"cas://fixtures/{request.Component}/{request.Version}/{computedHash}";
+            var manifestPath = $"cas://fixtures/{request.Component}/{request.Version}/{computedHash}/manifest";
+
             return new StoredCallgraphArtifact(
-                Path: $"cas://fixtures/{request.Component}/{request.Version}/{request.FileName}",
+                Path: $"fixtures/{request.Component}/{request.Version}/{request.FileName}",
                 Length: bytes.Length,
                 Hash: computedHash,
-                ContentType: request.ContentType);
+                ContentType: request.ContentType,
+                CasUri: casUri,
+                ManifestPath: manifestPath,
+                ManifestCasUri: manifestPath);
         }
     }
     private static string LocateRepoRoot()