Part 1 moved one task off the main thread with raw postMessage. Part 2 is the architecture: ergonomic workers, off-thread rendering, and a streaming data pipe that never touches the frame.
How I built a relational, type-checked content model—posts, tags, categories, authors—out of plain files, with Zod catching mistakes at build time.
Why a design system is an API for your UI—and how splitting it into generic primitives, a brand layer, and the app makes it portable, re-skinnable, and actually maintainable.