mir-backend-node-fastify

Make It Right (Fastify module). Fastify 5 + Node.js specific reliability augmentation. Use alongside mir-backend and mir-backend-node when the target stack is Fastify — it carries the mechanical footguns that the framework-agnostic tiers deliberately omit: schema-first validation and response serialization (and the data-leak risk of skipping the response schema), the fact that additionalProperties:false STRIPS…