Multi-sheet xlsx export

Live in demo 59-export-multi-sheet.

When

One workbook, multiple tabs - one per group / region / period.

How

Key API surface:

• api.exportData({ format: 'xlsx', sheets: [{ label, rows }, ...] })

See the demo source for the full implementation; this recipe pins the pattern + the surface so you can copy-paste it confidently. The doc page that explains the underlying feature in depth is linked from the recipes index.

See also

• Demo 59-export-multi-sheet source
• Demo 59-export-multi-sheet prompt sidecar - drop into an LLM context window
• Recipes index