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No runtime to install. The skill ships a small launcher that finds or downloads one static binary for your platform on first run. Windows gets a
.cmdtwin for shells withoutsh. Nothing Impeccable does needs Node, npm, or a package install any more. -
The hook stops taxing every edit. On the same corpus and machine, the design hook runs in 10.6 ms where the Node script took 46.9 ms, and a CLI scan of 110 files finishes in 132 ms instead of 282 ms. The URL scan is unchanged, because headless Chrome is the whole cost there.
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One rule engine everywhere. The static and URL scans, the live overlay, the Chrome extension, and the site all execute the same compiled rules, so a fix lands in every surface at once. The rule core is Apache-2.0 like the rest of the project, and a downstream package can add its own rules without forking.
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Behavior is pinned, not re-imagined. The port replays 830 recorded command invocations and 16,058 recorded function calls against the binary and compares byte for byte, with every reviewed exception listed in the repository.
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Live mode hands off reliably. When variants land in one HMR batch, the loader now clears the moment they mount instead of staying painted over them until a refresh, and a discard restores every wrapper of a mapped element.