feat(tahesab): polish asnad invoice PDF and prior balance

Compute حساب قبل from asnad before this doc date/number, add in-app preview layout, and leave a blank mesghal line for handwriting after print.

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

apps/web/src/views/PersonProfileView.vue

@@ -1046,6 +1046,7 @@ watch(() => route.query.tab, readTab, { immediate: true });
         <PersonAssetsPanel
           :person-id="id"
           :person-name="fullName"
+          :person-phone="phoneNumber"
           @link-changed="onTahesabLinkChanged"
         />
       </div>

apps/web/src/views/TahesabSalesReportView.vue

@@ -53,7 +53,7 @@ import {
   parseLocalInput,
   toFaDigits,
 } from '@/lib/jalali';
-import { formatMoney } from '@/lib/money';
+import { formatTahesabBedBes } from '@/lib/tahesab';
 import { useCustomerGroups } from '@/lib/customer-groups';
 import JalaliDateInput from '@/components/JalaliDateInput.vue';
 
@@ -124,8 +124,7 @@ function formatNum(n: number | null | undefined) {
 }
 
 function formatMali(n: number | null | undefined) {
-  if (n == null) return '—';
-  return formatMoney(n, 'IRR');
+  return formatTahesabBedBes(n);
 }
 
 const columns: TableColumnsType<TahesabAsnadLineDto> = [