Is there a reason to keep the post type out of the JSON and store it as file metadata? That works in Dat which supports file metadata, but what about when the

Is there a reason to keep the post type out of the JSON and store it as file metadata? That works in Dat which supports file metadata, but what about when the data is handled in other ways (as plain files on disk, etc)? https://unwalled.garden/docs/how-does-it-work https://unwalled.garden/docs/how-does-it-work