From 12db63b222720de1dbc292dd4cab9e49a5586a66 Mon Sep 17 00:00:00 2001
From: Henry Mercer <henrymercer@github.com>
Date: Mon, 5 Oct 2026 14:14:50 +0100
Subject: [PATCH] Explain why the `config` input test compares with a separate
 object

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
---
 src/config-utils.test.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/config-utils.test.ts b/src/config-utils.test.ts
index cb9df6a18..b1f5f7134 100644
--- a/src/config-utils.test.ts
+++ b/src/config-utils.test.ts
@@ -602,6 +602,8 @@ test.serial(
         }),
       );
 
+      // Compare with a separate object rather than `configInput` itself, so that the test catches
+      // changes made to the input in place.
       t.deepEqual(config.originalUserInput, {
         name: "my config",
         queries: [{ uses: "./foo" }],