I think it handles large payments by automatically opening new channels. Not sure though
Discussion
In the past, that failed and I had to use an on-chain transaction to get set up.
But today it worked!
Thing is, I’m still not sure if the “largest” payment I can accept, before a new channel gets opened, is (in this example) 500K or 1M sats..?
I’m assuming that you can’t “split” an incoming payment between two channels to increase capacity, and that 500K is the per-transaction limit with existing channels. But honestly not sure…