fix(tahesab): open invoice PDF window synchronously on click

Awaiting settings before window.open left a blank tab; open about:blank on click then fill via blob URL.

apps/web/src/lib/tahesab-invoice-pdf.ts

@@ -62,8 +62,10 @@ export function printTahesabInvoicePdf(opts: {
   settings: TahesabInvoiceSettingsDto | null;
   customerName: string;
   moshtariCode?: number | null;
-}) {
-  const { group, settings, customerName, moshtariCode } = opts;
+  /** پنجره‌ای که هم‌زمان با کلیک کاربر باز شده (برای دور زدن بلاک پاپ‌آپ) */
+  targetWindow?: Window | null;
+}): boolean {
+  const { group, settings, customerName, moshtariCode, targetWindow } = opts;
   const first = group.rows[0] ?? {};
   const time = dash(first.Tarikh_Time ?? first.ZamanSabt, '');
   const user = dash(first.User, '');
@@ -106,9 +108,6 @@ export function printTahesabInvoicePdf(opts: {
     ? `<p class="note foot-note">${escapeHtml(settings.footerText.trim())}</p>`
     : '';
 
-  const win = window.open('', '_blank', 'noopener,noreferrer,width=900,height=1200');
-  if (!win) return;
-
   const html = `<!DOCTYPE html>
 <html lang="fa" dir="rtl">
 <head>
@@ -244,11 +243,45 @@ export function printTahesabInvoicePdf(opts: {
 </body>
 </html>`;
 
-  win.document.open();
-  win.document.write(html);
-  win.document.close();
-  win.focus();
-  setTimeout(() => {
-    win.print();
-  }, 300);
+  const blob = new Blob([html], { type: 'text/html;charset=utf-8' });
+  const url = URL.createObjectURL(blob);
+
+  let win: Window | null =
+    targetWindow && !targetWindow.closed ? targetWindow : null;
+
+  if (win) {
+    try {
+      win.location.href = url;
+    } catch {
+      try {
+        win.document.open();
+        win.document.write(html);
+        win.document.close();
+      } catch {
+        URL.revokeObjectURL(url);
+        return false;
+      }
+    }
+  } else {
+    // بدون noopener تا reference داشته باشیم
+    win = window.open(url, '_blank', 'width=960,height=1200');
+    if (!win) {
+      URL.revokeObjectURL(url);
+      return false;
+    }
+  }
+
+  const triggerPrint = () => {
+    try {
+      win?.focus();
+      win?.print();
+    } catch {
+      /* ignore */
+    } finally {
+      setTimeout(() => URL.revokeObjectURL(url), 60_000);
+    }
+  };
+
+  setTimeout(triggerPrint, 600);
+  return true;
 }