fix(tui): interrupt pending turns before quitting

codex-rs/tui/src/chatwidget/interaction.rs

@@ -480,9 +480,10 @@ impl ChatWidget {
         self.bottom_pane.show_quit_shortcut_hint(key);
     }
 
-    // Review mode counts as cancellable work so Ctrl+C interrupts instead of quitting.
+    // A submitted turn waiting for TurnStarted is cancellable too; otherwise an immediate Ctrl+C
+    // is misclassified as an idle quit.
     fn is_cancellable_work_active(&self) -> bool {
-        self.bottom_pane.is_task_running() || self.review.is_review_mode
+        self.is_user_turn_pending_or_running() || self.review.is_review_mode
     }
 
     fn pause_active_goal_for_interrupt(&self) {

codex-rs/tui/src/chatwidget/tests/composer_submission.rs

@@ -991,6 +991,23 @@ async fn patch_activity_prevents_cancelled_turn_prompt_restore() {
     }
 }
 
+#[tokio::test]
+async fn ctrl_c_interrupts_turn_pending_start_instead_of_quitting() {
+    let (mut chat, mut rx, mut op_rx) = make_chatwidget_manual(/*model_override*/ None).await;
+    chat.thread_id = Some(ThreadId::new());
+    chat.submit_user_message(UserMessage::from("commit"));
+    assert_matches!(next_submit_op(&mut op_rx), Op::UserTurn { .. });
+    assert!(chat.input_queue.user_turn_pending_start);
+    assert!(!chat.bottom_pane.is_task_running());
+
+    chat.handle_key_event(KeyEvent::new(KeyCode::Char('c'), KeyModifiers::CONTROL));
+
+    next_interrupt_op(&mut op_rx);
+    while let Ok(event) = rx.try_recv() {
+        assert!(!matches!(event, AppEvent::Exit(_)));
+    }
+}
+
 #[tokio::test]
 async fn pending_steer_esc_does_not_steal_vim_insert_escape() {
     let (mut chat, _rx, mut op_rx) = make_chatwidget_manual(/*model_override*/ None).await;