Do you want to stay logged into a site after manually logging in with puppeteer?
This task is not as easy as just specifying the user data directory based on feedback from the following Github thread.
https://github.com/puppeteer/puppeteer/issues/921
The work around is to save cookies after logging in and then load those cookies in subsequent sessions. Here is the answer from Github.
https://stackoverflow.com/questions/56514877/how-to-save-cookies-and-load-it-in-another-puppeteer-session#56515357