the per app model was a constraint of the pre llm era, when every domain required its own bespoke information architecture. ai collapses that constraint. once the interface becomes intent instead of navigation, the marginal cost of adding a new domain whether finance, health, calendar, or communication drops toward zero. so the natural end state probably isn’t 40 thin, fragmented apps. it’s 1–3 dense surfaces that hold context across your life, connect the dots between domains, & act on your…