feat(srp): formalize renderer contracts and project feature bridge

managed/XCEngine.ScriptCore/Rendering/Core/ScriptableRenderPipelineAsset.cs

@@ -23,6 +23,7 @@ namespace XCEngine.Rendering
 
         internal int GetRuntimeResourceVersionInstance()
         {
+            SynchronizeRuntimeResourceVersion();
             return m_runtimeResourceVersion;
         }
 
@@ -55,6 +56,10 @@ namespace XCEngine.Rendering
         {
         }
 
+        protected virtual void SynchronizeRuntimeResourceVersion()
+        {
+        }
+
         protected void SetDirty()
         {
             ReleaseRuntimeResources();