Polish public invoice layout: account grid, duration, and copy-to-clipboard.

Also preserve item description line breaks and use local ported invoice links in DEV.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/business/src/pages/InvoicesPage.module.css

@@ -456,6 +456,7 @@
   margin: 8px 0 0;
   font-size: 13px;
   color: var(--text-secondary);
+  white-space: pre-line;
 }
 
 .strike {

apps/business/src/pages/InvoicesPage.tsx

@@ -196,6 +196,10 @@ export function InvoicesPage() {
   }
 
   function invoicePublicUrl(invoice: Invoice) {
+    // Local: public viewer is on super-admin Vite (port 5174), not the apex domain.
+    if (import.meta.env.DEV || import.meta.env.VITE_INVOICE_PUBLIC_BASE_URL) {
+      return getInvoicePublicUrlFallback(invoice.publicId, getActiveBusinessDomain())
+    }
     return (
       invoice.publicUrl ||
       getInvoicePublicUrlFallback(invoice.publicId, getActiveBusinessDomain())