UPDATE - It looks like Elegoo's SatelLite (Windows only) manglement software is what you're looking for.
https://www.reddit.com/r/elegoo/comments/1jeuq9p/elegoo_satellite_windows_v10111_update_log/
Still waiting for my Centauri, so haven't looked too deeply yet.
It does seem to have shared access, but I'm not sure about queueing.
There is a "contact us" link on the site if you want to ask them - https://octoeverywhere.com/
Might be worth keeping an eye on the "liquidctl" project on GitHub. This is basically the OpenRGB of water cooling.
https://github.com/liquidctl/liquidctl
I believe it's only the FE cards that come with liquid metal.
Gigabyte have announced pre-blocked 5080 & 5090 cards, both with an AIO & for your own custom loop.
MSI are offering AIO cards.
Alphacool have announced a block for AIB cards only.
All these AIO cards come with a 360 radiator.
As I...