test(app): add canonical connected soak snapshots

Make scripted lifecycle checkpoints acknowledged post-diagnostics render barriers, capture the exact frame outcome beside canonical resource ownership, and harden the nine-stop route with ordered same-location cache and lifetime gates without weakening process residency thresholds.

Co-authored-by: Codex <codex@openai.com>

src/AcDream.App/Rendering/RenderFrameOrchestrator.cs

@@ -60,6 +60,25 @@ internal interface IRenderFrameDiagnosticsPhase
     void Publish(RenderFrameInput input, RenderFrameOutcome outcome);
 }
 
+internal interface IRenderFramePostDiagnosticsPhase
+{
+    void Process(RenderFrameInput input, RenderFrameOutcome outcome);
+}
+
+internal sealed class NullRenderFramePostDiagnosticsPhase :
+    IRenderFramePostDiagnosticsPhase
+{
+    public static NullRenderFramePostDiagnosticsPhase Instance { get; } = new();
+
+    private NullRenderFramePostDiagnosticsPhase()
+    {
+    }
+
+    public void Process(RenderFrameInput input, RenderFrameOutcome outcome)
+    {
+    }
+}
+
 /// <summary>
 /// Closes presentation transactions which may have opened before a later
 /// render phase failed. Recovery is idempotent so failures before the
@@ -102,6 +121,7 @@ internal sealed class RenderFrameOrchestrator : IGameRenderFrameRoot
     private readonly IWorldSceneFramePhase _world;
     private readonly IPrivatePresentationFramePhase _presentation;
     private readonly IRenderFrameDiagnosticsPhase _diagnostics;
+    private readonly IRenderFramePostDiagnosticsPhase _postDiagnostics;
     private readonly IRenderFrameFailureRecovery _recovery;
 
     public RenderFrameOrchestrator(
@@ -110,6 +130,7 @@ internal sealed class RenderFrameOrchestrator : IGameRenderFrameRoot
         IWorldSceneFramePhase world,
         IPrivatePresentationFramePhase presentation,
         IRenderFrameDiagnosticsPhase diagnostics,
+        IRenderFramePostDiagnosticsPhase postDiagnostics,
         IRenderFrameFailureRecovery recovery)
     {
         _lifetime = lifetime ?? throw new ArgumentNullException(nameof(lifetime));
@@ -117,6 +138,8 @@ internal sealed class RenderFrameOrchestrator : IGameRenderFrameRoot
         _world = world ?? throw new ArgumentNullException(nameof(world));
         _presentation = presentation ?? throw new ArgumentNullException(nameof(presentation));
         _diagnostics = diagnostics ?? throw new ArgumentNullException(nameof(diagnostics));
+        _postDiagnostics = postDiagnostics
+            ?? throw new ArgumentNullException(nameof(postDiagnostics));
         _recovery = recovery ?? throw new ArgumentNullException(nameof(recovery));
     }
 
@@ -132,6 +155,7 @@ internal sealed class RenderFrameOrchestrator : IGameRenderFrameRoot
                 _presentation.Render(input, world);
             var outcome = new RenderFrameOutcome(world, presentation);
             _diagnostics.Publish(input, outcome);
+            _postDiagnostics.Process(input, outcome);
             return outcome;
         }
         catch (Exception error)