Clear pending turn start on interrupt

codex-rs/core/src/session/input_queue.rs

@@ -161,6 +161,12 @@ impl InputQueue {
             .extend(input.into_iter().map(PendingInput::new));
     }
 
+    pub(crate) async fn clear_start_turn(&self) {
+        for pending_input in &mut self.state.lock().await.turn_pending_input {
+            pending_input.start_turn = false;
+        }
+    }
+
     #[expect(
         clippy::await_holding_invalid_type,
         reason = "active turn checks and turn state updates must remain atomic"

codex-rs/core/src/session/mod.rs

@@ -3229,6 +3229,7 @@ impl Session {
     pub async fn interrupt_task(self: &Arc<Self>) {
         info!("interrupt received: abort current task, if any");
         let had_active_turn = self.active_turn.lock().await.is_some();
+        self.input_queue.clear_start_turn().await;
         self.abort_all_tasks(TurnAbortReason::Interrupted).await;
         if !had_active_turn {
             self.cancel_mcp_startup().await;