A P Is And Type Safety

tRPC, Zod for runtime validation, OpenAPI codegen from FastAPI for typed clients.

Why we need this / what value this brings

Localz generates frontend types from the FastAPI OpenAPI schema — keeping the type boundary honest end to end is a real design constraint, not a nice-to-have.

When to use this

Any new API contract between the Next.js frontend and FastAPI backend.

How to use or implement this

openapi-typescript (or similar) codegen from the FastAPI schema, Zod schemas that mirror the Pydantic models.

Research questions

• (add as research surfaces open questions)

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Empty folder — drop notes, links, and findings here as you research.