- ConversionResult: already two-line layout (value + label/symbol) - app.css: responsive grid (1/2/3 cols at <480/480-899/≥900px) - uniformFontSize.ts: JS-measured uniform font size per grid - config.ts: remove MIN_COLUMN_WIDTH, grid is now CSS-only - BACKLOG.md: remove resolved 'allow renaming unit/group IDs' item Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>