| /* V.AI STUDIO — QR Payment / Quote Data v1038 | |
| * Restored from 9db23f9 (v24) — full Excel/PDF export with proper layout | |
| * Fixes: Excel export broken in v1036 (parameter mismatch, missing layout) | |
| * Key fixes: | |
| * - exportExcel/exportDeliveryExcel fully self-contained (no delegation to __vaiOriginal) | |
| * - Full layout: logo, header, customer info, item images, formulas, QR code | |
| * - exportPDF/exportDeliveryPDF use multi-page canvas correctly | |
| * - All global overrides work without index.html original functions | |
| * - UNIQUE filename with timestamp for multiple downloads (v1038 fix) | |
| */ |