Method clear_canceller

core/src/subagent_task_tracker.rs:120–122

(&self, task_id: &str)

    }

    pub async fn clear_canceller(&self, task_id: &str) {
        self.cancellers.write().await.remove(task_id);
    }

    /// Fire the registered token and mark the snapshot as `Cancelled`.
    /// Returns `true` if a token was found (caller can interpret as