Draft, September 2026

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Act 4, scene 18: Close

The explainer video for the paper SaaS architecture when code is cheap
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Scene 18: Close

The two applications behind this argument illustrate both directions of travel. Wadi, a house-design application, is the greenfield case: it was built around its language, an agent writes the documents, and the controls for adjusting a design are generated from them. Its case corpus has not been built yet. On2Go is the brownfield case: an onboarding platform whose customisable language sits above an existing product and compiles to inputs that product already accepts, shown so far on test data. The full argument, with every source, is on the site.

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