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/courses/CourseFormView.vue

@@ -120,6 +120,11 @@
         <Column header="دانشجو" style="width: 90px">
           <template #body="{ data }">{{ toPersianDigits((data.students || []).length) }}</template>
         </Column>
+        <Column header="برنامه کلاس">
+          <template #body="{ data }">
+            <span class="text-sm">{{ formatClassSchedule(data) || '—' }}</span>
+          </template>
+        </Column>
         <Column header="وضعیت" style="width: 90px">
           <template #body="{ data }">
             <StatusTag :status="data.isActive !== false" />
@@ -164,6 +169,7 @@ import { useRoute, useRouter } from 'vue-router';
 import { courseApi } from '@/api/courseApi';
 import { professorApi } from '@/api/professorApi';
 import { classApi } from '@/api/classApi';
+import { formatClassSchedule } from '@/utils/classSchedule';
 import { usePersianDate } from '@/composables/usePersianDate';
 import { useToast } from '@/composables/useToast';