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Google has replaced the Google Assistant app on Android with Gemini by default
(www.androidauthority.com)
This is a most excellent place for technology news and articles.
Flash Lineage or DivestOS, then add non-google apps as needed.
Install GApps into a different user profile (pretty sure it's Lineage that works this way now, may be DivestOS).
OK, that's not for everyone. Start with the Universal Android Debloat Utility
It's really good at showing what you can safely disable, and is easy to re-enable stuff if you have problems. I've only ever had issues from disabling stuff listed as problematic.
I don't know of a good list like you're describing - your chrome issue was likely because you disabled the rendering engine, and not just chrome. Android needs a web rendering engine (the default is chrome), which can be replaced.
Edit: Another commenter linked to this list