Joan Arbó’s research notebook
Designing the judgement agents need to respect.
Public research on how design systems, rules and agents are changing design practice.
Agents do not need more screens. They need rules they can respect.
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What turns a design decision into a rule a system can apply and verify?
What a design rule is — and what it is not
A rule is neither a token nor a preference. It declares when a decision acts, what it permits, what it forbids, who owns an exception and how the outcome is checked.
Read the research
The original research is written in Spanish. English editions are published when a piece becomes a lasting reference.
Read the Spanish research archive