core: fix rollout reconstruction tests

Co-authored-by: Codex <noreply@openai.com>

codex-rs/core/src/codex/rollout_reconstruction.rs

@@ -1,6 +1,6 @@
 use super::*;
-use crate::context_manager::is_user_turn_boundary;
 use crate::context_manager::ReferenceTurnContextState;
+use crate::context_manager::is_user_turn_boundary;
 
 // Return value of `Session::reconstruct_history_from_rollout`, bundling the rebuilt history with
 // the resume/fork hydration metadata derived from the same replay.

codex-rs/core/src/codex/rollout_reconstruction_tests.rs

@@ -693,15 +693,21 @@ async fn reconstruct_history_rollback_counts_inter_agent_assistant_turns() {
         ]
     );
     assert_eq!(
-        reconstructed.previous_turn_settings,
+        reconstructed
+            .reference_turn_context_state
+            .previous_turn_settings(),
         Some(PreviousTurnSettings {
             model: turn_context.model_info.slug.clone(),
             realtime_active: Some(turn_context.realtime_active),
         })
     );
     assert_eq!(
-        serde_json::to_value(reconstructed.reference_context_item)
-            .expect("serialize reconstructed reference context item"),
+        serde_json::to_value(
+            reconstructed
+                .reference_turn_context_state
+                .reference_context_item(),
+        )
+        .expect("serialize reconstructed reference context item"),
         serde_json::to_value(Some(first_context_item))
             .expect("serialize expected reference context item")
     );