
Product systems
Plan vs Build in Mythos: choose the right mode before you change code
Use Plan to settle important decisions without changing your app, then use Build when the result and success checks are clear.
Mythos team
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Practical playbooks for building apps, shaping product flows, and keeping generated software easy to own.

Product systems
Use Plan to settle important decisions without changing your app, then use Build when the result and success checks are clear.

Product systems
Make one clear change at a time, protect the behavior that already works, and check the nearby paths most likely to be affected.

Product systems
Run the same build, revision, failure, verification, and ownership tests in every tool. Score evidence you can reproduce, not the first screenshot.