refactor(srp): make universal renderer execution context-first

Promote ScriptableRenderer renderer-recording context methods to the primary Universal execution seam and route the renderer-driven pipeline through that seam.

Update managed probes and scripting expectations to cover the new non-public renderer recording contract, and archive the completed phase plan.

managed/GameScripts/ScriptableRenderContextApiSurfaceProbe.cs

@@ -34,6 +34,8 @@ namespace Gameplay
         public bool HasRendererBackedRenderPipelineAssetType;
         public bool HasRendererBackedRenderPipelineType;
         public bool HasRendererDrivenRenderPipelineType;
+        public bool HasRendererSupportsRendererRecording;
+        public bool HasRendererRecordRenderer;
         public bool HasPublicRendererSupportsStageRenderGraph;
         public bool HasPublicRendererRecordStageRenderGraph;
 
@@ -170,6 +172,16 @@ namespace Gameplay
             HasRendererDrivenRenderPipelineType =
                 System.Type.GetType(
                     "XCEngine.Rendering.Universal.RendererDrivenRenderPipeline, XCEngine.RenderPipelines.Universal") != null;
+            HasRendererSupportsRendererRecording =
+                rendererType.GetMethod(
+                    "SupportsRendererRecording",
+                    BindingFlags.Instance |
+                    BindingFlags.NonPublic) != null;
+            HasRendererRecordRenderer =
+                rendererType.GetMethod(
+                    "RecordRenderer",
+                    BindingFlags.Instance |
+                    BindingFlags.NonPublic) != null;
             HasPublicRendererSupportsStageRenderGraph =
                 rendererType.GetMethod(
                     "SupportsStageRenderGraph",