When an application is built from components that each have a clear contract for how they are used, something useful happens. You can understand one component without loading the rest. An AI can too: it reads only the relevant modules and still uses them correctly.
The contract also tells you where to look. When something breaks, it is far more likely to break at the edge between two components than inside either one.
Most failures happen where two parts meet, so that is where the design effort belongs.
Kay
P.S. Here are the seven building blocks and what each one promises the others, which is where contracts live. https://systemthinkinglab.ai/learn/building-blocks/7-building-blocks/
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