Architecture

The interface is the
cheapest thing I make.

Software generation is collapsing toward zero. That makes the front end disposable — and makes everything it used to hide suddenly load-bearing.

I've spent the last two years building on that assumption: one engine, many doors. A durable core, and interfaces generated per audience, thrown away when the audience changes. This page is the argument, the evidence, and the honest limit.

The scarce part isn't the twenty years — and it isn't the AI.

A junior building beside me has the same models I do. The edge that survives is narrower and harder to copy: twenty years inside clinical and regulatory reality is what makes an AI's output correct enough to ship — the thing neither an AI-native junior with the same tools nor a senior strategist without them produces. In one working session this month I turned a pharmaceutical launch's consumer platform and its full go-to-market into a single sourced page. Speed is the AI. Correctness is the judgment. It has to be both, or it isn't deployable. Recent, live, each read from the primary source:

What actually changed

Not "AI is powerful." Something narrower and more useful: the specific cost of producing a working interface fell off a cliff, while the cost of producing trust did not move at all.

One engine, many doors

The pattern I build on. A single core that holds the state and the rules, and a set of thin, disposable surfaces — each one shaped for exactly one audience, none of them precious.

Engine: state, rules, accountability surgeon door·family door·payer door·clinician door·patient door

The doors are generated. The engine is not. When an audience changes, I rebuild the door, not the company.

What can't be generated

This is the whole point, and it's where most of the current advice stops short. If everyone can generate any interface, then interfaces are worth nothing — and the moat moves to whatever generation cannot produce. In clinical work there are exactly four of those.

The draft is becoming free. The signature is not. Every dollar in clinical care still flows through someone willing to put their name on a decision — and that is the one part of the stack that gets more valuable as generation gets cheaper, not less.

The honest limit

I'd rather tell you where this argument stops than oversell it, because the oversell is everywhere right now and it is not useful to anyone hiring.

Stated plainly: a person who can generate any interface and cannot get a clinician to change one habit has produced nothing. I've spent twenty years on the second problem — in orthopedic technology and health-system partnerships, not in practice — and the first one is now the easy half.

If you're building in this

Three ways this is useful to a company, in the order people usually need it.