The Lightning Network is pretty useful for fast settlements on incoming and outgoing payments. Hardware wallets on the other hand, introduce some steps and double checks before moving your bitcoin and the technology is not mature yet for these devices to check transactions on the Lightning Network. Nonetheless, our Jade users can still access the Lightning Network and enjoy instant payments.
Lightning accounts for Jade users are operated and secured by the Green app, but backed up by your Jade.
At account creation Jade will securely create and transfer a new dedicated key to your Green app that will be used solely for your lightning account. Jade will not be needed to authorize lightning transactions, because Green will use this new key for your lightning transactions.
Don't worry about any new backups, the existing recovery phrase backup of your Jade will be sufficient to restore both your funds onchain and on lightning.