I am a photographer and I want to use Proton Drive to send preview files to my clients, by sharing the folders, so that they can make their selections of images they want edited. Currently there is no star rating on files, and this is more or less a deal breaker for me.

Keep in mind I am not talking about photos in the "Photos" part of Proton Drive. I am talking about the "Computers" part. I am making a folder on my Computer, and this shows up under Computers - My Computer Name - the folder I have called "Proton Drive"

In here I have one folder per client, and they might have several sub folders based on date of when the shoot(s) took place. When the client open the preview image, I want it to be possible to mark the image with a star, for example with the keyboard shortcut Ctrl+Alt+S, like in Google Drive

Once this is marked, I want this to be visible also for me in my Proton drive so I can know which photos to deliver. Also would want a filter to be able to filter only star marked images, to make it easier to for example move all started images into a new folder

and it want this feature also when just sharing a link, not to an email