fix: format prices in notifications, change partial payment label, and add session holding notify API

components/payments/paymentService.js

@@ -28,7 +28,8 @@ const {
   isPaidTransaction,
   isCancelledTransaction,
   isActiveTransaction,
-  sumPaidTransactions
+  sumPaidTransactions,
+  formatPrice
 } = require('../../utils/paymentAmount');
 const logger = require('../../utils/logger');
 
@@ -36,7 +37,7 @@ const PAYMENT_METHODS = new Set(['online', 'card', 'cash']);
 
 const PAYMENT_STATUS_LABELS = {
   pending: 'در انتظار پرداخت',
-  partial: 'پرداخت جزئی',
+  partial: 'پیش پرداخت',
   paid: 'پرداخت‌شده',
   overdue: 'معوق'
 };
@@ -112,7 +113,7 @@ const notifyTransactionRecorded = async (payment, transaction, source = {}) => {
       phoneNumber: user.phoneNumber,
       email: user.email,
       subject: 'ثبت تراکنش',
-      body: `تراکنش ${transaction.uniqueCode || ''} به مبلغ ${transaction.amount} تومان ثبت شد.`,
+      body: `تراکنش ${transaction.uniqueCode || ''} به مبلغ ${formatPrice(transaction.amount)} تومان ثبت شد.`,
       smsHandler: () => sendTransactionRecordedSms(user.phoneNumber, {
         fullName: user.name || '',
         amount: transaction.amount,
@@ -333,7 +334,7 @@ const createPayment = async (body, actorId = null) => {
           phoneNumber: user.phoneNumber,
           email: user.email,
           subject: 'ایجاد صورتحساب',
-          body: `صورتحساب ${invoiceCode} به مبلغ ${getPayableAmount(payment)} تومان بابت «${courseName}» ایجاد شد.`,
+          body: `صورتحساب ${invoiceCode} به مبلغ ${formatPrice(getPayableAmount(payment))} تومان بابت «${courseName}» ایجاد شد.`,
           smsHandler: () => sendInvoiceCreatedSms(user.phoneNumber, {
             fullName: user.name || '',
             amount: getPayableAmount(payment),