Method cleanup_sandbox

crates/openshell-server/src/supervisor_session.rs:394–396

Clean up all state for a sandbox (session + pending relays).

(&self, sandbox_id: &str)

    /// Clean up all state for a sandbox (session + pending relays).
    pub fn cleanup_sandbox(&self, sandbox_id: &str) {
        self.remove(sandbox_id);
    }

    pub async fn replay_pending_relays(&self, sandbox_id: &str, tx: &mpsc::Sender<GatewayMessage>) {
        for channel_id in self.pending_channel_ids(sandbox_id) {