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seamless management directly from the hardware wallet interface.

I totally disagree.
A hardware wallet should be used exclusively for holding BTC long term.
You setup the HW and save the xpub then you put it into a safe place and never use it anymore (only in extreme cases).
For opening / closing channels you need to use the CACHE level of your stash.

Users MUST split their stash in 3 leveles: hold, cache, spending, as I erxplained so many times here:
https://i.postimg.cc/MTL2kvT0/3level-stash.jpg

Read in details here:
https://darthcoin.substack.com/p/bitcoin-be-your-own-bank-think-like