feat(rendering): expose builtin forward scene steps to srp context

tests/scripting/test_mono_script_runtime.cpp

@@ -17,6 +17,7 @@
 #include <XCEngine/Physics/PhysicsWorld.h>
 #include <XCEngine/Input/InputTypes.h>
 #include <XCEngine/Rendering/Graph/RenderGraph.h>
+#include <XCEngine/Rendering/Graph/RenderGraphCompiler.h>
 #include <XCEngine/Rendering/Pipelines/ManagedScriptableRenderPipelineAsset.h>
 #include <XCEngine/Rendering/RenderSurface.h>
 #include <XCEngine/Scene/Scene.h>
@@ -410,7 +411,25 @@ TEST_F(
     };
 
     EXPECT_TRUE(recorder->RecordStageRenderGraph(graphContext));
-    EXPECT_GT(graph.GetPassCount(), 0u);
+
+    XCEngine::Rendering::CompiledRenderGraph compiledGraph = {};
+    XCEngine::Containers::String errorMessage;
+    ASSERT_TRUE(
+        XCEngine::Rendering::RenderGraphCompiler::Compile(
+            graph,
+            compiledGraph,
+            &errorMessage))
+        << errorMessage.CStr();
+    ASSERT_EQ(compiledGraph.GetPassCount(), 3u);
+    EXPECT_STREQ(
+        compiledGraph.GetPassName(0).CStr(),
+        "ManagedMainScene.Opaque");
+    EXPECT_STREQ(
+        compiledGraph.GetPassName(1).CStr(),
+        "ManagedMainScene.Skybox");
+    EXPECT_STREQ(
+        compiledGraph.GetPassName(2).CStr(),
+        "ManagedMainScene.Transparent");
 
     recorder->Shutdown();
 }