Does a design system change what a coding agent writes?
A while ago I finished a piece of work I was proud of: a design system built the way I'd argue a design system should be built. Tokens as data. Comp…
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Screenshot testing a design system with Playwright and Docker
I work on the Koobiq design system, which has component libraries for React and Angular . in this article I'll show how the screenshot tests in our…
Component Metadata as a Source of Truth for a Design System
A design system starts drifting long before anyone notices a broken component. The first warning signs are usually quieter. The website says a compo…
The Tragedy of Software Versioning
Software versioning goes far beyond SemVer. A practical guide to CalVer, marketing versions, lockstep releases, pain indexes, and compatibility wind…
Wrapping Component Libraries
How production libraries handle decoupling, and what I learned building my own wrapper layer The Pattern Everyone Uses (But I Didn't Understand) Eve…
Simulating Capillary Action in a WebGL Shader for a UI Press Effect
Most "ink spreading" effects on the web are the same three ingredients: a radial-gradient , a blur filter, and an opacity transition on a timer. The…
DRY is not for UI
When we talk about UI, we almost always start by thinking about small components we can reuse across the frontend. And of course we can't reuse ever…
Why AI Keeps Generating the Wrong Design Tokens and How I Fixed It with Figma's API
AI design system output is approximate by default. Wrong border radii, raw hex values, inconsistent tokens across 60 components. The fix isn't bette…
How We Shipped more than 60 Design System Components in 5 Weeks Using Figma as the Single Source of Truth
We estimated 300 engineer-days. We shipped in 35 days with 3,077 tests and zero raw hex values. Here's the pipeline I built to make Figma the litera…
Design to Code #8: The Cosmetics of Modularity
It was sometime in early April. Version 0.1.0 had been sitting on npm for maybe twenty-four hours. I was clicking through the documentation site I'd…
Custom behavior without custom code
Every successful SaaS product eventually meets the same question: a customer asks for something specific to them, you build it, and now you have a f…
AGENTS.md, SKILL.md, DESIGN.md: How AI Instructions Split into Three Layers
In April 2026, Google Labs released a spec called DESIGN.md . It's a design system specification readable by AI agents, packaged with a CLI validato…