tools/build.sh runs on the refresh workflow: it clears what earlier versions left
(art, fonts, cast), runs the unit tests, then tests/smoke.mjs drives Chromium through
the page against a fake Venice and takes shots/desktop.png and shots/og.png.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_012sekpYMwTXuMdza1isMQA1