From fd99fc2cc3206e1595db46e96f3b970a783af27b Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 5 Mar 2026 03:12:01 +0000
Subject: [PATCH] Add clarifying comment for null primaryGraphLayer fallback
 case

Co-authored-by: LoogLong <86428208+LoogLong@users.noreply.github.com>
---
 FModel/ViewModels/AnimGraphViewModel.cs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/FModel/ViewModels/AnimGraphViewModel.cs b/FModel/ViewModels/AnimGraphViewModel.cs
index 8447187a..3e56020e 100644
--- a/FModel/ViewModels/AnimGraphViewModel.cs
+++ b/FModel/ViewModels/AnimGraphViewModel.cs
@@ -234,6 +234,7 @@ public class AnimGraphViewModel
         // Pass 3: Move unassigned SaveCachedPose nodes and their input chains
         // to the primary AnimGraph layer. In UE, SaveCachedPose can only exist at
         // the animation blueprint's top-level layer, not inside state machine sub-graphs.
+        // If no _Root layer exists, these nodes fall through to the fallback handler below.
         if (primaryGraphLayer != null)
         {
             var unassignedSavePoseNodes = vm.Nodes