Design Handoff Spec
Specifies behaviour and states rather than appearance, because developers need the rules and can read the pixels themselves.
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Running it, start to finish
- List every state and design the missing ones before handing over.
- Specify behaviour for long, empty and extreme content.
- Mark which values are exact and which are approximate.
What you get back
The output this produces, every time.
- Inventories every state and names the ones not designed, which is the main source of handoff friction.
- Specifies content extremes, since designs are made with pleasant data and break on real data.
- Says what is flexible and what is exact, so developers neither over-match nor change what mattered.
Getting better results
Where this usually goes wrong, and how to avoid it.
- Design the empty and error states. They are the most-skipped and the most-encountered. A developer who has to invent them will invent them differently.
- Specify the long-content case. A name three times longer than your sample breaks more layouts than any other single input.
- Mark what is flexible. Without it developers match pixel values that did not matter and change things that did.
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Written for The AI University. Every prompt in this library is original work — authored, tested and revised here, not collected from elsewhere. 365 of them, free with an account.