feat(sms): send class start date, days, and course time

Expose schedule fields on class and invoice templates so SMS can include Jalali start date, weekdays, and hour range.

utils/senders/smsMessages.js

@@ -58,6 +58,9 @@ const sendClassRegisteredSms = async (receiver, className, userId = null, extraC
       fullName: fullName || 'کارآموز',
       phoneNumber: receiver,
       mobile: receiver,
+      classStartDate: extraContext.classStartDate || '',
+      classDays: extraContext.classDays || '',
+      courseTime: extraContext.courseTime || '',
       ...extraContext
     }))
   });
@@ -85,6 +88,9 @@ const sendClassReminderSms = async (receiver, className, time, place = '', userI
       fullName: fullName || 'کارآموز',
       phoneNumber: receiver,
       mobile: receiver,
+      classStartDate: extraContext.classStartDate || '',
+      classDays: extraContext.classDays || '',
+      courseTime: extraContext.courseTime || extraContext.time || time || '',
       ...extraContext
     }))
   });
@@ -97,11 +103,17 @@ const sendInvoiceCreatedSms = async (receiver, payload, userId = null) => {
   let fullName = '';
   let amount = '';
   let course = '';
+  let classStartDate = '';
+  let classDays = '';
+  let courseTime = '';
 
   if (typeof payload === 'object' && payload !== null) {
     fullName = payload.fullName || '';
     amount = payload.amount != null ? String(payload.amount) : '';
     course = payload.course || '';
+    classStartDate = payload.classStartDate || '';
+    classDays = payload.classDays || '';
+    courseTime = payload.courseTime || '';
   } else {
     amount = String(payload || '');
   }
@@ -121,7 +133,10 @@ const sendInvoiceCreatedSms = async (receiver, payload, userId = null) => {
       amount: amountLabel,
       course: courseLabel,
       phoneNumber: receiver,
-      mobile: receiver
+      mobile: receiver,
+      classStartDate,
+      classDays,
+      courseTime
     }))
   });
 };