Is this perhaps a typo, used "did" instead of "didn't"?
Yes, sorry, it didn't go through, but didn't fail either. Will update OP.
In case of the former, it's safer to use "Request Force-close" so it'll be initiated by the other end of the channel.
That's in case it didn't correctly update at your end, in which case, it could be be penalized if force-closed with an outdated channel state.
Is this perhaps a typo, used "did" instead of "didn't"?
in close_channel command I see this
usage: electrum close_channel [-h] [--force] [--password PASSWORD] channel_point
so there is just --force and nothing else, so I have to go to GUI, right?
However, I believe I have correct update (though how can I be sure). I think it is just stuck HTLC.
How does remote force close vs my side force close compare in terms of funds releasing times?