I've been wrestling with #Ghidra's decompiler API and a slight hangover for a couple of hours now (even invoking LLM's!). Turns out I wrote up the gist of the solution 5 years ago:

Ghidra Decompiler Notes (from 2020)
https://gist.github.com/v-p-b/5be986dfe494249374cecf058d4dd41c

I definitely have to find a better place to host this...