adding session naming with /rename and metadata storage in SessionMeta

codex-rs/core/src/codex.rs

@@ -1699,6 +1699,9 @@ async fn submission_loop(sess: Arc<Session>, config: Arc<Config>, rx_sub: Receiv
             Op::ThreadRollback { num_turns } => {
                 handlers::thread_rollback(&sess, sub.id.clone(), num_turns).await;
             }
+            Op::SetSessionTitle { title } => {
+                handlers::set_session_title(&sess, sub.id.clone(), title).await;
+            }
             Op::RunUserShellCommand { command } => {
                 handlers::run_user_shell_command(
                     &sess,
@@ -2122,6 +2125,48 @@ mod handlers {
         .await;
     }
 
+    pub async fn set_session_title(sess: &Arc<Session>, sub_id: String, title: String) {
+        let title = title.trim().to_string();
+        if title.is_empty() {
+            let event = Event {
+                id: sub_id,
+                msg: EventMsg::Error(ErrorEvent {
+                    message: "Session title cannot be empty.".to_string(),
+                    codex_error_info: Some(CodexErrorInfo::BadRequest),
+                }),
+            };
+            sess.send_event_raw(event).await;
+            return;
+        }
+
+        let recorder = {
+            let guard = sess.services.rollout.lock().await;
+            guard.clone()
+        };
+        let Some(recorder) = recorder else {
+            let event = Event {
+                id: sub_id,
+                msg: EventMsg::Error(ErrorEvent {
+                    message: "Session persistence is disabled; cannot rename session.".to_string(),
+                    codex_error_info: Some(CodexErrorInfo::Other),
+                }),
+            };
+            sess.send_event_raw(event).await;
+            return;
+        };
+
+        if let Err(e) = recorder.set_session_title(title).await {
+            let event = Event {
+                id: sub_id,
+                msg: EventMsg::Error(ErrorEvent {
+                    message: format!("Failed to set session title: {e}"),
+                    codex_error_info: Some(CodexErrorInfo::Other),
+                }),
+            };
+            sess.send_event_raw(event).await;
+        }
+    }
+
     pub async fn shutdown(sess: &Arc<Session>, sub_id: String) -> bool {
         sess.abort_all_tasks(TurnAbortReason::Interrupted).await;
         sess.services

codex-rs/tui/src/chatwidget.rs

@@ -1886,6 +1886,23 @@ impl ChatWidget {
         }
     }
 
+    fn show_rename_prompt(&mut self) {
+        let tx = self.app_event_tx.clone();
+        let view = CustomPromptView::new(
+            "Rename session".to_string(),
+            "Type a new name and press Enter".to_string(),
+            None,
+            Box::new(move |title: String| {
+                tx.send(AppEvent::InsertHistoryCell(Box::new(
+                    history_cell::new_info_event(format!("Session renamed to \"{title}\""), None),
+                )));
+                tx.send(AppEvent::CodexOp(Op::SetSessionTitle { title }));
+            }),
+        );
+
+        self.bottom_pane.show_view(Box::new(view));
+    }
+
     pub(crate) fn handle_paste(&mut self, text: String) {
         self.bottom_pane.handle_paste(text);
     }

codex-rs/tui2/src/chatwidget.rs

@@ -1713,6 +1713,23 @@ impl ChatWidget {
         }
     }
 
+    fn show_rename_prompt(&mut self) {
+        let tx = self.app_event_tx.clone();
+        let view = CustomPromptView::new(
+            "Rename session".to_string(),
+            "Type a new name and press Enter".to_string(),
+            None,
+            Box::new(move |title: String| {
+                tx.send(AppEvent::InsertHistoryCell(Box::new(
+                    history_cell::new_info_event(format!("Session renamed to \"{title}\""), None),
+                )));
+                tx.send(AppEvent::CodexOp(Op::SetSessionTitle { title }));
+            }),
+        );
+
+        self.bottom_pane.show_view(Box::new(view));
+    }
+
     pub(crate) fn handle_paste(&mut self, text: String) {
         self.bottom_pane.handle_paste(text);
     }