I mean this is what https://reddit.com/r/ergomobilecomputers is for . Try searching there for ‘sonshi’ setups so you can just put a small ergo keyboard on top of your MacBook.

one example is the corne: https://Reddit.com/r/ErgoMobileComputers/comments/u3xcfb/ergomechkeyonlaptop_corne_foldout_travel_case/

Interesting to hear the pop socket helped with the phone! Been meaning to just wean my phone use but may consider that.

Felt like it might be worth sharing this: https://www.reddit.com/r/olkb/comments/1521gim/a_corne_with_aaa_batteries/

One good argument I saw for aa/AAA is that it can be hard to find certain lipo batteries and such in other countries. I think a more important thing is having a keyboard that can also work in wired mode over USB.

There’s a more active discussion in the ZMK discord on pointing devices: https://discord.com/channels/719497620560543766/845285481888743434 or click the discord link on https://zmk.dev/ See also the trackpoint_builders subreddit.

My personal bias is still using a separate trackpad, but have thought about doing something like a cirque with haptic feedback.