## Summary

- Add a design-audit route covering foundations, surfaces, controls, authored content, and icon specimens. - Introduce shared icon assets and update navigation, chat, workspace, repository, and document-picker UI. - Refine editor, research, decision, planner, and theme styling around shared design tokens. - Add the `@chopin/icons` package and update workspace dependencies. - Expand coverage for design-audit pages, navigation, icons, themes, tokens, chat transcripts, and editor behavior.

## Testing

- Added and updated unit/component tests across the affected web and editor surfaces. - Not run (not requested).