I recently made my most complicated Apple Shortcuts, shortcut ever to move from Day One to Apple's Journal app. The script runs on iOS/macOS 26. Sometimes it gets a weird overflow bug, but you can just run it again and it'll work. I posted about it over on Reddit with a download link: https://www.reddit.com/r/appleJournal/comments/1mxwdey/day_one_to_journal_importer_shortcut_for_ios/