ImportGuard UI - React catalogue import starter

ImportGuard UI 0.1.1: bounded catalogue CSV policy core, React adapter, eight fixtures, TypeScript source and runnable local integration example. Preserve string SKUs; review dry runs; explicitly approve partial rows; handle callback failure/retry. 30 core checks passed. React 19 example included; host owns authorization, validation and storage. No database, Shopify or XLSX integration. Strong free alternatives include ImportCSV and Papa Parse. Built by Shruti. Setup/rights: README.md and LICENSE.txt.