fix(dashboard): fix date conversion offset, calendar arrow directions, payment duplicate warning, attendance class filter, and session auto-generation

src/views/classes/ClassDetailView.vue

@@ -171,7 +171,10 @@
 
         <div class="flex flex-column gap-2">
           <label class="font-semibold text-sm" for="class-bulk-amount">مبلغ شهریه هر دانشجو (تومان) *</label>
-          <InputNumber inputId="class-bulk-amount" v-model="bulkForm.amount" class="w-full text-sm" suffix=" تومان" :min="0" />
+          <InputGroup>
+            <InputNumber inputId="class-bulk-amount" v-model="bulkForm.amount" class="w-full text-sm" :min="0" />
+            <InputGroupAddon>تومان</InputGroupAddon>
+          </InputGroup>
         </div>
 
         <div class="flex align-items-center gap-2">
@@ -181,14 +184,16 @@
 
         <div v-if="hasBulkDiscount" class="flex flex-column gap-2">
           <label class="font-semibold text-sm" for="class-bulk-discount-amount">مبلغ تخفیف (تومان)</label>
-          <InputNumber
-            inputId="class-bulk-discount-amount"
-            v-model="bulkForm.discount"
-            class="w-full text-sm"
-            suffix=" تومان"
-            :min="0"
-            :max="bulkForm.amount || 0"
-          />
+          <InputGroup>
+            <InputNumber
+              inputId="class-bulk-discount-amount"
+              v-model="bulkForm.discount"
+              class="w-full text-sm"
+              :min="0"
+              :max="bulkForm.amount || 0"
+            />
+            <InputGroupAddon>تومان</InputGroupAddon>
+          </InputGroup>
           <small class="font-semibold text-color">
             مبلغ نهایی هر صورتحساب: {{ toPersianDigits(bulkPayableAmount.toLocaleString()) }} تومان
           </small>
@@ -257,6 +262,8 @@ import DataTable from 'primevue/datatable';
 import Column from 'primevue/column';
 import Dialog from 'primevue/dialog';
 import InputNumber from 'primevue/inputnumber';
+import InputGroup from 'primevue/inputgroup';
+import InputGroupAddon from 'primevue/inputgroupaddon';
 import Checkbox from 'primevue/checkbox';
 import Textarea from 'primevue/textarea';
 import DatePicker from 'vue3-persian-datetime-picker';