Pydantic has an unusual default behaviour when you set a default value for Field:
validate_default bool | None If True, apply validation to the default value every time you create an instance. Otherwise, for performance reasons, the default value of the field is trusted and not validated.
Pydantic has an unusual default behaviour when you set a
defaultvalue forField:https://docs.pydantic.dev/latest/api/fields/
This was leading to a validation bypass when the fields that specified an invalid default value were not being set.
We fix that bug, but also add extra validation that checks if the
authormatches the email address and refactoring of the authentication logic.