Perform scan of .unionfs folder for _HIDDEN~ files, if file exists on remote, delete it and the _HIDDEN~ file. Perform automated rclone moves on your local media when X gigabytes has been reached and no files are currently being accessed. Perform automated rsync backups on specified folders after X hours.
If you test this, aswell as fix the pushover token being removed. I will be happy to accept. Backup manager is not really used atall and not needed.