diff --git a/codex-rs/core/src/unified_exec/mod.rs b/codex-rs/core/src/unified_exec/mod.rs
index 2b90c4c0df..c7ed0517e6 100644
--- a/codex-rs/core/src/unified_exec/mod.rs
+++ b/codex-rs/core/src/unified_exec/mod.rs
@@ -110,7 +110,6 @@ pub(crate) struct UnifiedExecSessionManager {
 #[derive(Clone, Debug)]
 pub(crate) struct StdinEvent {
     pub input: String,
-    #[allow(dead_code)]
     pub output: String,
 }
 
diff --git a/codex-rs/core/src/unified_exec/session_manager.rs b/codex-rs/core/src/unified_exec/session_manager.rs
index 51515433ee..4c8cbb1d46 100644
--- a/codex-rs/core/src/unified_exec/session_manager.rs
+++ b/codex-rs/core/src/unified_exec/session_manager.rs
@@ -54,11 +54,12 @@ fn escape_stdin_for_log(input: &str) -> String {
 }
 
 fn render_stdin_events(events: &[StdinEvent]) -> String {
-    events
-        .iter()
-        .map(|event| event.input.clone())
-        .collect::<Vec<String>>()
-        .join("\n")
+    let mut lines = Vec::new();
+    for event in events {
+        lines.push(event.input.clone());
+        lines.push(format!("> {}", event.output));
+    }
+    lines.join("\n")
 }
 
 impl UnifiedExecSessionManager {