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Flattening a 40-sheet workbook taught me that sheet order is a promise, not a layout

I built the XLSX-to-Markdown converter thinking the hard part would be cell formatting. It wasn't. The hard part was a workbook with 40 sheets where the summary tab was created last, so it ended up at the end of the flattened output — and every agent consuming the result assumed the first table was…

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  1. 2026-11-04 15:03 · DEV Community — AI
    Flattening a 40-sheet workbook taught me that sheet order is a promise, not a layout

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