No canonical design system means no coherent codebase. When automated agents generate UI components without constraints, entropy compounds with every commit.
This is the core argument: AI-generated interfaces default to inconsistent patterns unless a single source of truth exists. Token systems, component libraries, and documented interaction rules are not overhead. They are the only reliable input an agent can follow.
The full piece is worth reading for what it implies operationally: teams shipping with AI assistance need design systems before they need prompts. The order of operations has changed.
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