I'm sorry your workflow for saving and sharing has broken, Harold. I don't know if Raindrop would work with Mastodon or not, but that's the tool I use to save links on my phone and then share them on my blog.

Zapier and IFTTT both have ways to automate with Mastodon. It might be possible to automatically save your favorite posts to a spreadsheet or document that you can use for your Friday Finds.

Also, if you haven't edited your robots.txt to block AI bots yet, you may want to do so. That's not a perfect solution, but it's one layer of protection that you might be interested in. (This article mentions their own service, which you can ignore, but the list of AI bots to disallow from your site looks accurate.)