Add feedback upload request handling (#5682)

codex-rs/tui/src/app_backtrack.rs

@@ -103,9 +103,16 @@ impl App {
         nth_user_message: usize,
     ) {
         self.backtrack.pending = Some((base_id, nth_user_message, prefill));
-        self.app_event_tx.send(crate::app_event::AppEvent::CodexOp(
-            codex_core::protocol::Op::GetPath,
-        ));
+        if let Some(path) = self.chat_widget.rollout_path() {
+            let ev = ConversationPathResponseEvent {
+                conversation_id: base_id,
+                path,
+            };
+            self.app_event_tx
+                .send(crate::app_event::AppEvent::ConversationHistory(ev));
+        } else {
+            tracing::error!("rollout path unavailable; cannot backtrack");
+        }
     }
 
     /// Open transcript overlay (enters alternate screen and shows full transcript).