[ ] When an entity does not have any related records of a type (project and dispositions), the current query returns null. This should be returning an empty array.
[ ] Find a way to ensure consistency of query schema across projects/show, projects/index, and assignments/index, as well as any embedded resources (for example, the schema of related dispositions in the assignments/index query—are they the same?)
[ ] Identify stable unique identifiers for all records through the inclusion of an id column in every record/embedded JSON
idcolumn in every record/embedded JSON