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

components/settings/smsTemplates.js

@@ -382,13 +382,33 @@ const resolveVariablesList = (def, storedVariables) => {
     .filter(Boolean);
 };
 
+const isPriceSlot = (slot = '', name = '') => {
+  const s = String(slot).toLowerCase();
+  const n = String(name).toLowerCase();
+  return s.includes('amount') || s.includes('price') || s.includes('tuition') || s.includes('fee')
+    || n.includes('amount') || n.includes('price') || n.includes('tuition') || n.includes('fee') || n.includes('cost');
+};
+
+const formatPriceValue = (val) => {
+  if (val === null || val === undefined || val === '') return '';
+  const str = String(val).trim();
+  const rawNum = Number(str.replace(/,/g, ''));
+  if (!Number.isNaN(rawNum) && Number.isFinite(rawNum)) {
+    return rawNum.toLocaleString('en-US');
+  }
+  return str;
+};
+
 const buildSmsParameters = (variables, valuesBySlot = {}) => {
   return normalizeVariablesInput(variables, null)
     .map((item) => {
       const name = sanitizeVariableName(item?.name);
       if (!name) return null;
       const slot = item?.slot;
-      const value = slot ? valuesBySlot?.[slot] : '';
+      let value = slot ? valuesBySlot?.[slot] : '';
+      if (isPriceSlot(slot, name) && value != null && value !== '') {
+        value = formatPriceValue(value);
+      }
       return {
         name,
         value: String(value ?? '')