external-url

name	external-url
description	A valid skill that links to an external https asset. The URL contains an assets/ path segment but it is not a local bundled reference and must not trigger a dangling-reference failure.

vs-external-url

This skill links to an external image:

And references an external script via URL: https://cdn.example.org/scripts/init.js.

Neither of those is a local bundled file, so validation must PASS.