Suppose you are implementing a chat server that uses websockets with plain old json payloads. You want the simple human introspectability of json if you need t

Suppose you are implementing a chat server that uses websockets with plain old json payloads. You want the simple human introspectability of json if you need to debug in prod via the web console. And you have a {big | distributed | lots of juniors} team so you want some code that validates the json payloads (via jsonSchema) in the two-way contract and limits errors being pushed to prod.