Revert branch state to 354801f (without history rewrite)

codex-rs/core/tests/compact.rs

@@ -89,6 +89,13 @@ const THIRD_USER_MSG: &str = "next turn";
 
 #[tokio::test(flavor = "multi_thread", worker_threads = 2)]
 async fn summarize_context_three_requests_and_instructions() {
+    if std::env::var(CODEX_SANDBOX_NETWORK_DISABLED_ENV_VAR).is_ok() {
+        println!(
+            "Skipping test because it cannot execute when network is disabled in a Codex sandbox."
+        );
+        return;
+    }
+
     // Set up a mock server that we can inspect after the run.
     let server = MockServer::start().await;