Refactor settings updates to diff TurnContextItem

codex-rs/app-server/tests/suite/send_message.rs

@@ -561,11 +561,15 @@ fn append_rollout_turn_context(path: &Path, timestamp: &str, model: &str) -> std
         item: RolloutItem::TurnContext(TurnContextItem {
             turn_id: None,
             cwd: PathBuf::from("/"),
+            shell: "zsh".to_string(),
             approval_policy: AskForApproval::Never,
             sandbox_policy: SandboxPolicy::DangerFullAccess,
+            permissions_instructions: String::new(),
             network: None,
             model: model.to_string(),
+            model_instructions: String::new(),
             personality: None,
+            personality_spec: String::new(),
             collaboration_mode: None,
             effort: None,
             summary: ReasoningSummary::Auto,