I was solving your problem.before LLMs with my personal developers Swiss army knife (hof gen/CUE+templates). I'm somewhat keen to see how I can capture the agent markdown I want in many places, like project init, in CUE via embed and modules I can import and version, skipping the need for a markdown dependency cycle management system.

https://github.com/hofstadter-io/hof

(sharing because it has sloppy parts and that/I.S. shouldn't stop you from sharing!)