feat: /review (#3774)

Adds `/review` action in TUI

<img width="637" height="370" alt="Screenshot 2025-09-17 at 12 41 19 AM"
src="https://github.com/user-attachments/assets/b1979a6e-844a-4b97-ab20-107c185aec1d"
/>

codex-rs/protocol/src/protocol.rs

@@ -1240,6 +1240,7 @@ pub struct TurnAbortedEvent {
 pub enum TurnAbortReason {
     Interrupted,
     Replaced,
+    ReviewEnded,
 }
 
 #[cfg(test)]