This is a very common pattern and one that’s been solved in Rails by building specialized controllers applying the CRUD interface to multiple models. Like the

This is a very common pattern and one that’s been solved in Rails by building specialized controllers applying the CRUD interface to multiple models. Like the Read for a dashboard could have a controller for each dashboard component to load its data or it could have one controller for the full dashboard querying multiple models - still CRUD. The tight coupling is one of many approaches and common enough to be made default.