> The current provided desktop mode is rudimentary, and mostly working. But it has so much potential. We could have all in one device with us, and just plug that into an usb-c dock.

An acquaintance at a local hackerspace has no laptop, just a Fairphone 5 and a device that looks like a laptop but is really just an external screen and keyboard. He connects his Ubuntu Touch phone and uses that as a laptop, developing software on it etc.

It's not perfect as a phone (Android apps work rather well from what I've seen (I think the emulator is called Waydroid), but e.g. passing through Bluetooth is an issue so there are limitations) but maybe that's an interesting option for you as well