From 1a7a9daa7f18d11f4ebcca490a1430c558554910 Mon Sep 17 00:00:00 2001
From: Mizev Andrew <150728785+carpalsgrabby@users.noreply.github.com>
Date: Tue, 25 Nov 2025 09:59:49 +0100
Subject: [PATCH] Add a short explanation comment above METRICS

Documents what these keys correspond to.
---
 choose_best_layout.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/choose_best_layout.py b/choose_best_layout.py
index 8ac4dc2..070570c 100644
--- a/choose_best_layout.py
+++ b/choose_best_layout.py
@@ -16,7 +16,7 @@ class LayoutResult:
     fanout: int
     data: Dict[str, Any]
 
-
+# Metrics are keys expected in app.py's JSON output.
 METRICS = [
     "treeHeight",
     "totalNodes",