JENNIFER
HULL
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Design Systems.
2 posts
14 Sept 2026
A source of truth is whichever file something checks
Putting your tokens in JSON doesn't make them true. I found a dead brand colour in eight files of my own kit, and the two files a script reads were the only ones that stayed right.
Design Systems
Honest Failure
Agent Experience
18 Aug 2026
Your design system was already broken. The agent just stopped covering for it.
Agents don't ask what the unwritten convention is. They guess, the guess compiles, and every rule that only ever lived in someone's head comes due at once.
Design Systems
Agent Experience