- Delete dev/CLAUDE.md, dev/blog-example.html, dev/contact-form-plan.md, dev/index.html, dev/optimization-guidelines.md, dev/plan.md
- Update CLAUDE.md to include Design Specification section referencing dev/design.json
- Modify dev/design.json with V7 Industrial Dark Mode system details
- Update src/utils/git-commit.js to reflect new commit message format
- Introduced a comprehensive design system in `dev/design.json` featuring color palettes, typography, spacing, and component guidelines.
- Created a new homepage layout in `dev/index.html` utilizing Tailwind CSS for styling, including a custom cursor and grid overlay for visual structure.
- Implemented responsive design patterns and interactive elements for enhanced user experience.