You have taught me so much about the many forms racism can take. The insight and clarity that manifest in your articles must surely make you an exemplary employee. Your employer is shooting herself in the foot by not promoting you, although she is apparently too clueless to see it.
When I tried to write an article about the one time my privileged butt was exposed to a micro-aggression, I was able to see how difficult it is to do what you do, and I acknowledged your skill in this article of mine. https://teedrockwell.medium.com/wow-i-received-my-first-ever-microaggression-4ac081e070a4