- Delete obsolete change proposals and bio content source
- Rewrite README.md with correct features, data sources, structure
- Update PROJECT_REFERENCE.md with accurate status and completed work
- Update CLAUDE.md references and sprint status
- Add docs/CONTRIBUTING.md developer guide with:
- How to add blog posts (frontmatter, markdown)
- How to add new pages (Dash routing)
- How to add dashboard tabs
- How to create figure factories
- Branch workflow and code standards
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>