I have 2 TB iCloud storages plan. I am not able to copy files on this iCloud drive from my External HD in MacBook M3 Pro . It say that "Manage Space" even though I have more than 1 TB free space. What could be a reason for this?

I am developing "Tasty Recipes" app. I want to load all data related to this app such "Recipe Category", "Recipes List", "Recipes Inscredient", "Preparation Methods" and so on. How can I load and store all data using SwiftData. User is going to use these data. They will update few things like "Favourite Recipes", "Rating". How can I do this.