Photos: How to automatically add screenshots, image downloads to album?

Does anyone know how to add 1. screenshots 2. hold to download images from safari 3. camera pics, 4. etc... to a separate album in Photos.app? I would like to do this to facilitate the following process: 1. Save new images on iOS devices to iCloud 2. Keep Folders with Shared Albums on devices, called "C" and "D" 3. When new image on iOS device is saved, it is added to separate album "A" 4. Allow to periodically copy all photos from album "A" to MacOS device for backup, then delete all photos from album "A". This should not impact albums "C" and "D". 5. The goal is to save space in iCloud by periodically moving album "A" to MacOS for archival outside of iPhoto.