Sheet Generation from JSON: Replacing Manual Spreadsheet Assembly

The Spreadsheet Assembly Line Nobody Wants Every operations team has at least one person whose unofficial job title is "the one who builds the spreadsheets." Financial close rolls around, and someone spends two days copying numbers from the system into Excel, formatting columns, adding SUM formulas, making sure the currency symbols are right, and emailing the finished file to five people who each want a slightly different layout. The numbers themselves are already in a database, an ERP, or a JSO