## Summary - replace the theme with the complete warm-neutral and petrol design system - migrate web, editor, and questionnaire consumers to the new colour, type, spacing, edge, and depth roles - add durable regression coverage for token values, migration, contrast, control boundaries, and disabled states - remove the obsolete implementation plan and temporary validation tests

## Testing - `bun test` — 567 passed - `bun run types` - `bun run ci` - `bun run build` - `bun run e2e` — 49 passed

## Review - independent code review completed; no remaining Critical or Important findings