Tyler Matteson

The majority of the work would take place here: https://github.com/agritheory/edgewise/blob/testing/edgewise/registry.py A flag would need to be added to `merge_class` and then do the pydantic version of `_build_attributes`. I don't know...

In the context of the registry, its less about the serialization/deserialization problem than than correctly creating a model on the fly. Here's what would need to implemented in the pydantic...