feat: message when stream get correctly resumed (#4988)

<img width="366" height="109" alt="Screenshot 2025-10-09 at 17 44 16"
src="https://github.com/user-attachments/assets/26bc6f60-11bc-4fc6-a1cc-430ca1203969"
/>

codex-rs/core/src/codex.rs

@@ -2008,9 +2008,7 @@ async fn run_turn(
                     // at a seemingly frozen screen.
                     sess.notify_stream_error(
                         &sub_id,
-                        format!(
-                            "stream error: {e}; retrying {retries}/{max_retries} in {delay:?}…"
-                        ),
+                        format!("Re-connecting... {retries}/{max_retries}"),
                     )
                     .await;