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

src/Signals/StellaOps.Signals/Storage/Models/CallgraphArtifactSaveRequest.cs

@@ -1,12 +1,15 @@
-namespace StellaOps.Signals.Storage.Models;
+using System.IO;
+
+namespace StellaOps.Signals.Storage.Models;
 
 /// <summary>
 /// Context required to persist a callgraph artifact.
 /// </summary>
-public sealed record CallgraphArtifactSaveRequest(
-    string Language,
-    string Component,
-    string Version,
-    string FileName,
-    string ContentType,
-    string Hash);
+public sealed record CallgraphArtifactSaveRequest(
+    string Language,
+    string Component,
+    string Version,
+    string FileName,
+    string ContentType,
+    string Hash,
+    Stream? ManifestContent);