The island marker constant and its uniqueness rule only matter behind the workshop skill gate, which is off.
What
The literal island-open sequence is lifted into a module-level constant next to the templates, and the skill text makes its uniqueness on the page a hard rule.
Details
- Island extraction scans for exactly that byte sequence, so the verifier refuses any page where the scan and the real island could disagree.
- An author page mentioning the island id anywhere else, in a quoted example or an attribute, fails the publish instead of being silently mis-extracted.
- Only reachable behind the workshop skill gate, which is off here.
Evidence
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Strings lifted out of the shipped bundle, so the claim above can be checked against them.