zod-openapi infering route handler type from route handler

I've been trying for two hours to create a type helper for the route handler so I can extract it to its own file, but I can't figure out why the valid property is not working. I saw cj using it in his syntax hono introduction https://youtu.be/sYZW8TK2IV4?si=iCCHBmv7vA88Phya

Syntax

YouTube

You Should Use Hono in your Next Project

In this video CJ introduces Hono, a web application framework for building backend applications with JavaScript. He shows 5+ reasons why hono is great and why you should try using it in your next app. 00:00 Intro 00:26 Familiar Route Creation 01:12 Type Safety 01:50 Supports Every JS Runtime 02:26 Many Built-in Helpers / Middlewares 03:40 JSX S...