Revert "rebase"

This reverts commit 9ad5c1386f, reversing
changes made to 4b9e6f4383.

codex-rs/app-server/tests/suite/v2/thread_unarchive.rs

@@ -60,7 +60,6 @@ async fn thread_unarchive_moves_rollout_back_into_sessions_directory() -> Result
                 text: "materialize".to_string(),
                 text_elements: Vec::new(),
             }],
-            submission_type: None,
             ..Default::default()
         })
         .await?;