~
Thanks for the thorough explanation! I think I got it now.
I tried to visualize my understanding below. I'm still unsure why the force close outputs need to be spent (quickly), though.
┌────────────────────────────────────────────────────────────────┐
│ Address (Multisig) Channel open (single-funded) │
│ │
│ bc1q8lyz0239h864putwe9ue9zug75tmvg5mx8ug7uctxkyfe4jv2fgskrflw8 │
└─────────────────────────────┬──────────────────────────────────┘
│
│
─┬────────────────┴────────────────┬─
│ Transaction (Force Close) │
│ │
│ 137c7c044bd4027cde671187a1f38821│
│ a4509250b35693f3e3faa965253eb30f│
─┴─────────────┬─────┬─────────────┴─
│ │
┌────────────┘ └────────────┐
▼ ▼
┌──────────────────────────────────────────┐ ┌──────────────────────────────────────────────────────────────┐
│Address (single-sig, node 1) │ │Address (single-sig, node 2) │
│bc1qk82d4lc0fq8sy30804gwzx7qc8njydthcqp535│ │bc1qz9354tux3tzllhr2r3phktp65ghugl3sh09wjvtdl882rdf346gsgnfjxv│
└──────────────────────┬───────────────────┘ │ │
│ │Time locked 1day │
│ └─────────┬────────────────────────────────────────────────────┘
│ │
▼ ▼
Can spend immediately using pk Spent to own address ASAP
from guesstoremote