frontend/components/ControlPanel.tsx

frontend/components/SimpleGeometryViewer.tsx

frontend/style.css

backend/index.ts

shared/math/geometry5d.ts

backend/routes/calculations.ts

FEATURES_SUMMARY.md

frontend/index.tsx

backend

MATHEMATICAL_CONCEPTS.md

shared/utils.ts

frontend/geometry-viewer.js

shared/types.ts

frontend/components/CrossSection.tsx

frontend/components/GeometryViewer.tsx

README.md

backend/routes

frontend/simple-viewer.js

frontend/components

shared/math/projections.ts

frontend

shared/math/transformations.ts

shared

frontend/components/App.tsx

frontend/index.html

shared/math

shared/math/geometry4d.ts