- Update all image references from `public/` to `frontend/public/` to reflect correct project structure
- Bump version badge from 1.3.4 to 2.0.0-beta.1 in README
- Refresh example screenshots (example1.png, example2.png, example3.png)
- Update audit report example image (审计报告示例.png)
- Ensure all documentation images point to correct frontend assets location