feat: Add MongoIdempotencyStoreOptions for MongoDB configuration

feat: Implement BsonJsonConverter for converting BsonDocument and BsonArray to JSON

fix: Update project file to include MongoDB.Bson package

test: Add GraphOverlayExporterTests to validate NDJSON export functionality

refactor: Refactor Program.cs in Attestation Tool for improved argument parsing and error handling

docs: Update README for stella-forensic-verify with usage instructions and exit codes

feat: Enhance HmacVerifier with clock skew and not-after checks

feat: Add MerkleRootVerifier and ChainOfCustodyVerifier for additional verification methods

fix: Update DenoRuntimeShim to correctly handle file paths

feat: Introduce ComposerAutoloadData and related parsing in ComposerLockReader

test: Add tests for Deno runtime execution and verification

test: Enhance PHP package tests to include autoload data verification

test: Add unit tests for HmacVerifier and verification logic

src/Scanner/__Tests/StellaOps.Scanner.Analyzers.Lang.Deno.Tests/Deno/DenoRuntimeTraceRunnerTests.cs

@@ -73,6 +73,44 @@ public sealed class DenoRuntimeTraceRunnerTests
         }
     }
 
+    [Fact]
+    public async Task ExecutesShimAndWritesRuntime_WhenDenoPresent()
+    {
+        var binary = DenoBinaryLocator.Find();
+        if (string.IsNullOrWhiteSpace(binary))
+        {
+            return; // gracefully skip when deno is unavailable in the environment
+        }
+
+        var root = TestPaths.CreateTemporaryDirectory();
+        try
+        {
+            var entry = Path.Combine(root, "main.ts");
+            var fixture = Path.Combine(TestPaths.GetProjectRoot(), "TestFixtures/deno-runtime/simple/main.ts");
+            File.Copy(fixture, entry);
+
+            using var entryEnv = new EnvironmentVariableScope("STELLA_DENO_ENTRYPOINT", "main.ts");
+            using var binaryEnv = new EnvironmentVariableScope("STELLA_DENO_BINARY", binary);
+            using var denoDirEnv = new EnvironmentVariableScope("DENO_DIR", Path.Combine(root, ".deno-cache"));
+
+            var context = new LanguageAnalyzerContext(root, TimeProvider.System);
+            var result = await DenoRuntimeTraceRunner.TryExecuteAsync(context, logger: null, CancellationToken.None);
+
+            Assert.True(result);
+
+            var runtimePath = Path.Combine(root, "deno-runtime.ndjson");
+            Assert.True(File.Exists(runtimePath));
+
+            var content = await File.ReadAllTextAsync(runtimePath);
+            Assert.Contains("deno.runtime.start", content);
+            Assert.Contains("deno.module.load", content);
+        }
+        finally
+        {
+            TestPaths.SafeDelete(root);
+        }
+    }
+
     private sealed class EnvironmentVariableScope : IDisposable
     {
         private readonly string _name;

src/Scanner/__Tests/StellaOps.Scanner.Analyzers.Lang.Deno.Tests/TestFixtures/deno-runtime/simple/main.ts

@@ -0,0 +1,2 @@
+// offline-friendly deno entrypoint for shim smoke test
+console.log("shim-fixture-start");

src/Scanner/__Tests/StellaOps.Scanner.Analyzers.Lang.Deno.Tests/TestUtilities/DenoBinaryLocator.cs

@@ -0,0 +1,47 @@
+using System.Runtime.InteropServices;
+
+namespace StellaOps.Scanner.Analyzers.Lang.Deno.Tests.TestUtilities;
+
+internal static class DenoBinaryLocator
+{
+    public static string? Find()
+    {
+        var candidates = new List<string>();
+        var envBinary = Environment.GetEnvironmentVariable("STELLA_DENO_BINARY");
+        if (!string.IsNullOrWhiteSpace(envBinary))
+        {
+            candidates.Add(envBinary);
+        }
+
+        var path = Environment.GetEnvironmentVariable("PATH") ?? string.Empty;
+        var separator = RuntimeInformation.IsOSPlatform(OSPlatform.Windows) ? ';' : ':';
+        var exeName = RuntimeInformation.IsOSPlatform(OSPlatform.Windows) ? "deno.exe" : "deno";
+
+        foreach (var segment in path.Split(separator, StringSplitOptions.RemoveEmptyEntries))
+        {
+            candidates.Add(Path.Combine(segment, exeName));
+        }
+
+        foreach (var candidate in candidates)
+        {
+            if (string.IsNullOrWhiteSpace(candidate))
+            {
+                continue;
+            }
+
+            try
+            {
+                if (File.Exists(candidate))
+                {
+                    return candidate;
+                }
+            }
+            catch
+            {
+                // ignore malformed paths
+            }
+        }
+
+        return null;
+    }
+}