Split a batch of three invoices

Start with: examples/velesfold/fictional-invoice-batch.pdf: 5 pages from a fictional candle shop, with INV-3101 (2 pages), INV-3102 (1 page) and INV-3103 (2 pages). The invoice number is printed on its own in the top-right corner.

1. Open your local VelesFold page, click Choose PDF and select fictional-invoice-batch.pdf.
2. On the page preview, drag a rectangle around INV-3101 in the top-right corner.
3. Keep The number in the region changes and leave File name template as it is.
4. Check the review table, then click Split and download ZIP (3 files).

Expected result: The review shows “3 invoices from 5 pages”: Pages 1–2 → INV-3101.pdf, Page 3 → INV-3102.pdf, Pages 4–5 → INV-3103.pdf. The browser downloads fictional-invoice-batch-split.zip with INV-3101.pdf (2 pages), INV-3102.pdf (1 page), INV-3103.pdf (2 pages), VelesFold-manifest.txt and VelesFold-manifest.json. The status confirms “Your source file was not modified.”

All examples are fictional or synthetic.
