Public documentation for tsvsheet/tsvsheet.web — the tsvsheet grid editor: a standalone, fully client-side .tsvt spreadsheet editor on the WebAssembly engine — and for tsvsheet/tsvsheet.ui, the desktop app that embeds it. Published as a Hugo site via GitHub Pages at tsvsheet.github.io/docs.tsvsheet.web; contributor documentation (the host file port contract) lives unpublished in dev/.