Maybe helpful:
https://github.com/hetima/hammerspoon-foundation_remapping/t...
https://github.com/RobotCharlie/key-remapping-hammerspoon/bl...
https://github.com/Hammerspoon/hammerspoon/discussions/3246
About macOS in general if you use hidutil
https://hidutil-generator.netlify.app/
https://rakhesh.com/mac/using-hidutil-to-map-macos-keyboard-...