For reporting the remaining space on your remote storage, we do not have this feature yet, but it is something we would like to offer and there is an existing feature request for it here:
For your storage question, odrive does not use the linked storage as one huge, aggregate storage pool. When you use the “sync to odrive” feature you will need to specify exactly where you want to sync that data. The advantage of this is that you can still access and manage that data in native ways (including mobile) without needing an additional layer management for the storage abstraction.
Of course, there are some cool advantages to pushing everything into a single namespace. There is an existing feature request for this here: