refactor(srp): unify mono recorder backend ownership

tests/scripting/test_mono_script_runtime.cpp

@@ -25,6 +25,7 @@
 #include <XCEngine/Rendering/Graph/RenderGraph.h>
 #include <XCEngine/Rendering/Graph/RenderGraphCompiler.h>
 #include <XCEngine/Rendering/Planning/SceneRenderRequestPlanner.h>
+#include <XCEngine/Rendering/Pipelines/BuiltinForwardPipeline.h>
 #include <XCEngine/Rendering/Pipelines/ManagedScriptableRenderPipelineAsset.h>
 #include <XCEngine/Rendering/Pipelines/ScriptableRenderPipelineHost.h>
 #include <XCEngine/Rendering/RenderSurface.h>
@@ -2431,6 +2432,36 @@ TEST_F(
     recorder->Shutdown();
 }
 
+TEST_F(
+    MonoScriptRuntimeTest,
+    ManagedRenderPipelineBridgeRuntimeExposesBuiltinForwardRendererAsset) {
+    const auto bridge =
+        XCEngine::Rendering::Pipelines::GetManagedRenderPipelineBridge();
+    ASSERT_NE(bridge, nullptr);
+
+    const XCEngine::Rendering::Pipelines::ManagedRenderPipelineAssetDescriptor descriptor = {
+        "GameScripts",
+        "Gameplay",
+        "ManagedRenderPipelineProbeAsset"
+    };
+
+    std::shared_ptr<const XCEngine::Rendering::Pipelines::ManagedRenderPipelineAssetRuntime>
+        assetRuntime = bridge->CreateAssetRuntime(descriptor);
+    ASSERT_NE(assetRuntime, nullptr);
+
+    const std::shared_ptr<const XCEngine::Rendering::RenderPipelineAsset>
+        rendererAsset = assetRuntime->GetPipelineRendererAsset();
+    ASSERT_NE(rendererAsset, nullptr);
+
+    std::unique_ptr<XCEngine::Rendering::RenderPipeline> pipeline =
+        rendererAsset->CreatePipeline();
+    ASSERT_NE(pipeline, nullptr);
+    EXPECT_NE(
+        dynamic_cast<XCEngine::Rendering::Pipelines::BuiltinForwardPipeline*>(
+            pipeline.get()),
+        nullptr);
+}
+
 TEST_F(
     MonoScriptRuntimeTest,
     ManagedStageRecorderRecordsMainSceneThroughScriptableRenderContext) {