feat(classes): add class days and meeting times to class forms

Let admins set the weekly schedule on the class and show it in lists, details, and session generation.

src/views/classes/ClassDetailView.vue

@@ -33,6 +33,14 @@
             {{ formatJalali(classData.startDate) }} — {{ formatJalali(classData.endDate) }}
           </span>
         </div>
+        <div class="col-12 sm:col-4">
+          <span class="text-muted text-xs block mb-1">روزهای برگزاری</span>
+          <span class="font-bold text-color text-sm">{{ formatClassDays(classData.days) || '—' }}</span>
+        </div>
+        <div class="col-12 sm:col-4">
+          <span class="text-muted text-xs block mb-1">ساعت کلاس</span>
+          <span class="font-bold text-color text-sm" dir="ltr">{{ formatClassTime(classData.startTime, classData.endTime) || '—' }}</span>
+        </div>
         <div class="col-12 sm:col-4">
           <span class="text-muted text-xs block mb-1">وضعیت</span>
           <StatusTag :status="classData.isActive !== false" />
@@ -125,6 +133,7 @@
 import { ref, computed, onMounted } from 'vue';
 import { useRoute } from 'vue-router';
 import { classApi } from '@/api/classApi';
+import { formatClassDays, formatClassTime } from '@/utils/classSchedule';
 import { sessionApi } from '@/api/sessionApi';
 import { usePersianDate } from '@/composables/usePersianDate';
 import { useToast } from '@/composables/useToast';