From 90320fc51a760841d84acd1566f12bab57ddd092 Mon Sep 17 00:00:00 2001
From: Won Park <won@openai.com>
Date: Mon, 6 Apr 2026 23:49:47 -0700
Subject: [PATCH] collapse dev message into one (#16988)

collapse image-gen dev message into one
---
 codex-rs/core/src/codex_tests.rs         | 11 +++--------
 codex-rs/core/src/stream_events_utils.rs |  9 ++-------
 2 files changed, 5 insertions(+), 15 deletions(-)

diff --git a/codex-rs/core/src/codex_tests.rs b/codex-rs/core/src/codex_tests.rs
index b0437edbf..0bfb0c303 100644
--- a/codex-rs/core/src/codex_tests.rs
+++ b/codex-rs/core/src/codex_tests.rs
@@ -4089,18 +4089,13 @@ async fn handle_output_item_done_records_image_save_history_message() {
     let image_output_dir = image_output_path
         .parent()
         .expect("generated image path should have a parent");
-    let save_message: ResponseItem = DeveloperInstructions::new(format!(
-        "Generated images are saved to {} as {} by default.",
+    let image_message: ResponseItem = DeveloperInstructions::new(format!(
+        "Generated images are saved to {} as {} by default.\nIf you need to use a generated image at another path, copy it and leave the original in place unless the user explicitly asks you to delete it.",
         image_output_dir.display(),
         image_output_path.display(),
     ))
     .into();
-    let copy_message: ResponseItem = DeveloperInstructions::new(
-        "If you need to use a generated image at another path, copy it and leave the original in place unless the user explicitly asks you to delete it."
-            .to_string(),
-    )
-    .into();
-    assert_eq!(history.raw_items(), &[save_message, copy_message, item]);
+    assert_eq!(history.raw_items(), &[image_message, item]);
     assert_eq!(
         std::fs::read(&expected_saved_path).expect("saved file"),
         b"foo"
diff --git a/codex-rs/core/src/stream_events_utils.rs b/codex-rs/core/src/stream_events_utils.rs
index 75eb1a8c2..ac4334d68 100644
--- a/codex-rs/core/src/stream_events_utils.rs
+++ b/codex-rs/core/src/stream_events_utils.rs
@@ -379,17 +379,12 @@ pub(crate) async fn handle_non_tool_response_item(
                             .parent()
                             .unwrap_or(turn_context.config.codex_home.as_path());
                         let message: ResponseItem = DeveloperInstructions::new(format!(
-                            "Generated images are saved to {} as {} by default.",
+                            "Generated images are saved to {} as {} by default.\nIf you need to use a generated image at another path, copy it and leave the original in place unless the user explicitly asks you to delete it.",
                             image_output_dir.display(),
                             image_output_path.display(),
                         ))
                         .into();
-                        let copy_message: ResponseItem = DeveloperInstructions::new(
-                            "If you need to use a generated image at another path, copy it and leave the original in place unless the user explicitly asks you to delete it."
-                                .to_string(),
-                        )
-                        .into();
-                        sess.record_conversation_items(turn_context, &[message, copy_message])
+                        sess.record_conversation_items(turn_context, &[message])
                             .await;
                     }
                     Err(err) => {