scorecard.js: the audit run-logic that audit.html had grown moves into one
shared engine both front-ends import (build the scoring world, sweep, fly the
winners, pick the best line, judge the separation block). Takes a site OBJECT,
not a path — loadSite always returned an object, so the fetch was never the
audit's business. Builds its OWN dressed world on a re-pointable wind proxy so
the editor's calm stub can never reach a score; every m/s still comes from
windForSite() via sweep.js/gardenfly.js.
editor_score.js: front-end only, zero audit logic. Mounts at A's reserved
order 40, renders the card with A's contract classes, says the funnel state
first and loudly, and marks itself stale when the yard changes underneath it.
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