At the risk of becoming that guy from the tabs vs. spaces meme: Why not both? Name folders by domain or topic and files by role, if you can. app/ iam/

At the risk of becoming that guy from the tabs vs. spaces meme: Why not both? Name folders by domain or topic and files by role, if you can. app/ iam/ orgs/ models.xyz roles/ models.xyz Then any editor with file search can produce the type-based structure on demand.