how do you keep project documentation updated when code changes so fast?

​with AI agents helping us refactor modules and add endpoints rapidly, our team repository evolves much faster than before. the upside is quick execution, but internal setup guides and API docs quickly fall out of date.

​team members frequently hit outdated configuration steps because the code moved forward while the readme files remained static.

​what strategies or lightweight habits do you use to keep internal documentation in sync with fast-moving codebases?