Seven SPFx WebAssembly samples show how to run heavy tasks locally in the browser

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A new open-source repository extends SharePoint Framework development by focusing on what processing can happen in the browser before SharePoint is involved. It includes seven runnable WebAssembly samples covering image optimization, SQLite-WASM caching, DuckDB-WASM analytics, duplicate detection, and local OCR. The samples use Web Workers, explicit fallbacks, and visible error paths to handle expensive or privacy-sensitive tasks client-side. Each workspace ships with tests, builds, and SharePoint solution packaging, though the project notes that local tests do not substitute for tenant-level deployment checks. Human and AI contributions are welcome, with guidance provided in AGENTS.md and CONTRIBUTING.md.

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