- core/ui.js: screenHead/wireBack, emptyState, loadingRows, errorState, avatar,
  esc, so every redesigned screen is built from the same furniture.
- i18n: 44 strings carried emoji or check-mark glyphs; they now read as words.
- Chess board dark squares move to a mid-tone printed indigo so both piece
  colours read on them.
- tools/shoot.mjs can push any scene with params.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>