The artifact-to-intent argument has been working its way through design writing for a while now. What Jakob Nielsen adds to it, writing in UX Tigers, is a name for the failure mode that comes with the territory:

We used to accumulate design debt when teams shipped inconsistent components or patched over poor flows. Now we will accumulate intent debt: undocumented assumptions, vague brand guidance, missing escalation rules, untested agent permissions, and research insights that never become usable by the systems doing the work. Intent debt will be harder to see than visual inconsistency, but it will be more damaging because it compounds invisibly through every generated output.

Nielsen’s prior writing on intent-based UX argued that evaluation has become the new bottleneck for the user. A chat completes the task in seconds, and you spend the next half hour checking whether it actually did what you meant. Intent debt extends that bottleneck to the organization. The team ships ten variants in an afternoon, and nobody can tell which ones violated a brand rule that was never written down, or bypassed an escalation path that only lived in a senior designer’s head.

Nielsen puts the failure plainly:

The new danger is that AI will produce many adequate screens that all seem defensible in isolation and incoherent in aggregate. Mediocrity will arrive well-dressed. The designer’s role is to prevent the organization from drowning in plausible options.

Which is why the design system has to grow up:

The design system thus stops being a component library and becomes an operating system for taste. Tokens, components, and usage rules are only the visible layer. Underneath must be a deeper set of instructions about brand behavior, interaction philosophy, accessibility standards, motion logic, content tone, escalation patterns, and product judgment. The system must know not only which button to use, but when not to add a button at all.

Developer Mark Anthony Cianfrani has argued that LLMs finally let us ship the reasoning behind a token alongside the token. Nielsen draws the consequence of skipping that work: a weak design system in the AI era becomes an active liability. Agents will faithfully build with whatever’s encoded, and faithfully invent the rest.