ref: state 9 (#4171)

Author: jif-oai

codex-rs/core/src/codex.rs

@@ -715,6 +715,11 @@ impl Session {
         state.record_items(items.iter());
     }
 
+    async fn replace_history(&self, items: Vec<ResponseItem>) {
+        let mut state = self.state.lock().await;
+        state.replace_history(items);
+    }
+
     async fn persist_rollout_response_items(&self, items: &[ResponseItem]) {
         let rollout_items: Vec<RolloutItem> = items
             .iter()

codex-rs/core/src/codex/compact.rs

@@ -156,10 +156,7 @@ async fn run_compact_task_inner(
     let user_messages = collect_user_messages(&history_snapshot);
     let initial_context = sess.build_initial_context(turn_context.as_ref());
     let new_history = build_compacted_history(initial_context, &user_messages, &summary_text);
-    {
-        let mut state = sess.state.lock().await;
-        state.replace_history(new_history);
-    }
+    sess.replace_history(new_history).await;
 
     let rollout_item = RolloutItem::Compacted(CompactedItem {
         message: summary_text.clone(),