I wasn't sure if Indie Hackers was the best place to share a post about engineering management, but a quick search for "engineering managers" returned enough results that I thought I'd give it a shot.
https://nomadfornow.com/blog/early-learnings-engineering-manager-remote-team/
Feedback and questions welcome!
tl;dr
Great list! See also https://about.gitlab.com/company/culture/all-remote/being-a-great-remote-manager/ which mirrors many of your own thoughts.
Thanks a lot!