The Playwright Playbook — Bonus: Refactoring Schema Validation with Zod

"The best content ideas come from the comments, not the outline."

In Part 4, we built utils/schema-validator.ts — a hand-rolled function that checks whether an API response actually matches the Task shape we expect. Type-correct fields, valid status enum, valid date strings. The works.

A reader, Misha, asked a great question in the comments: "What do you think about using Zod for schema validation?"

Fair challenge. The manual validator works — but it's not how most production codebases would do this in 2026. So here's the honest comparison, side by side, with the refactor. 🎯