This blog post taught me how to download directly to my NAS using curl. https://michelenasti.com/from-google-photos-to-synology-photos/

And don’t forget to change the default file export size. The default is 2gb, which for me resulted in over 300 files to download and there’s no easy to way to automate it. 50gb is max which was much better for me

I have komga running in a docker container and the tachiyomi app on my tablet for comics.

Do you use koreader? I primarily want to be able to switch between reading on my phone and my kobo.