From de959aafa29fe3069b504657cba31f4ee9c8d8ae Mon Sep 17 00:00:00 2001
From: Charles Cunningham <ccunningham@openai.com>
Date: Sun, 15 Feb 2026 17:16:35 -0800
Subject: [PATCH] Comments

---
 codex-rs/core/src/codex.rs | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/codex-rs/core/src/codex.rs b/codex-rs/core/src/codex.rs
index 1110fa3d51..497fecac0f 100644
--- a/codex-rs/core/src/codex.rs
+++ b/codex-rs/core/src/codex.rs
@@ -4685,12 +4685,10 @@ async fn maybe_run_previous_model_inline_compact(
 
     match run_auto_compact(
         sess,
+        // We use previous turn context here because we compact with the previous model
         &previous_turn_context,
         AutoCompactCallsite::PreTurnExcludingIncomingUserMessage,
-        // Even though incoming turn items are excluded here, this pass can be the only
-        // compaction run before submission. Reinject canonical context so unchanged
-        // model-visible instructions remain present if no follow-up pre-turn compaction
-        // is needed.
+        // User message and turn context diff is injected in the pre-compaction NotNeeded case later
         TurnContextReinjection::ReinjectAboveLastRealUser,
         None,
     )