Update: Sats have been rescued from Mutiny purgatory.

The on-chain txn to open the lightning channel never hit the mempool, so once I closed the channel the wallet recognized that no channel was open.

Now to dive into other non-custodial lightning options.

nostr:note14e8gfrs8vau4gr3akj9mz43tcavtegwqr9xgg0k4hyw6h64jmsrqs8d89p