You'll notice
Useful3 Signal2
The prototype skill now covers behavior prototypes and asks for one named design question.
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What
The prototype skill now covers prototyping how something behaves rather than how it looks, asks you to name the single design question at the top of the page, and adds a checked procedure for reusing a hosted app shell.
Details
- Behavior prototypes keep the logic in a pure module with no DOM access, show full state after every step, and include a guided walkthrough.
- Variations go into one artifact behind a visible switcher, and they must differ structurally rather than cosmetically.
- Reusing a hosted shell means hashing the local copy and comparing it to the registry's recorded
artifact_sha256in a single command that prints only MATCH or MISMATCH, instead of comparing digests by eye.
Evidence
## When the question is behavior
Strings lifted out of the shipped bundle, so the claim above can be checked against them.