You can use BOS or GUI BOS by Nitesh to open channels from your cold wallet.
https://github.com/niteshbalusu11/lndboss

I personally do not like that. I like to use the 3 levels stash: hodl, cache (nodes), LN spending. But I understand you "pain" that you want to avoid that intermediary transfer from cold wallet to node wallet and then open a LN channel.

[![3level-stash.jpg](https://i.postimg.cc/MTL2kvT0/3level-stash.jpg)](https://postimg.cc/vg5Sf85D)

DarthCoin

bitcoin

LND onchain fees management

lnfan7

What I do now is sending funds from cold wallet to LND and then I open a channel with a second onchain transaction. And I do the same on the way back.
I'd love to just open a channel directly with the uxto controlled by the cold wallet instead.

I'll try with Sparrow. Thanks