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The CC BY-SA work-license declaration ("About this work") was on the credits
page, but the About page (built on the parallel feat/accessibility-pass) will
own that content; keeping it in both places would duplicate it. Remove the
section from credits.html and make the footage note self-contained (it still
states the footage is altered — the per-clip "indicate modifications" cue stays
with the attributions). Tests updated to assert the declaration is intentionally
no longer on the credits page. The .declaration CSS rule is left in place for the
About page to reuse.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Simulator unit tests
Pure-logic JS unit tests (no browser), run with Node's built-in test runner:
node --test simulator/unit/*.test.js
scrub.test.js covers simulator/static/scrub.js — the pure altitude-scrub math
(position→segment, frac→currentTime, audio gains, integer-crossing detection).