To change adaptation repos to point to a specific URL, I changed the URL in file at /usr/share/ssu/repos.d/adaptation-community.ini by replacing %(release) (which points to the currently installed release) to the actual release (for me, 5.0.0.61). I think there is a better way to do it (possibly using ssu command), but this one is the simplest. For editing the file you can use file browser with root mode.
About ChatGPT and other LLMs, they can rarely help you with specific topics like this. If you can’t find the answer to your question on the internet, there is a rare chance that chatgpt will tell it you.