feat(admin): wire up remove-student-from-term button

The mutation/API plumbing already existed (useRemoveAdminTermStudentMutation)
but no UI ever called it. Adds a delete action to each row in the term
details modal's seminarians list, with a confirmation prompt.

src/features/admin/terms/components/modals/TermDetailsModal.vue

@@ -70,6 +70,18 @@
                     </p>
                   </div>
                 </div>
+                <div class="term-details__student-actions">
+                  <CircleButton
+                    tooltip="حذف از ترم"
+                    bg-color="rgba(104, 104, 104, 0.05)"
+                    size="2.5rem"
+                    @click="onAskRemoveStudent(student)"
+                  >
+                    <template #icon>
+                      <SvgIcon name="trash" :size="18" color="var(--color-error)" />
+                    </template>
+                  </CircleButton>
+                </div>
               </div>
             </div>
             <NoItems v-else title="متاسفیم" desc="طلبه‌ای برای نمایش وجود ندارد." />
@@ -130,18 +142,24 @@ import BaseButton from '@/components/BaseButton.vue'
 import SvgIcon from '@/components/icons/SvgIcon.vue'
 import NoItems from '@/components/blocks/NoItems.vue'
 import { formatJalaaliDate } from '@/utils/date-utils'
+import CircleButton from '@/components/CircleButton.vue'
 import TabsBlock from '@/components/blocks/TabsBlock.vue'
 import { usePagination } from '@/composables/usePagination'
 import LineTitleBlock from '@/components/LineTitleBlock.vue'
 import LineInfoBlock from '@/components/blocks/LineInfoBlock.vue'
 import PaginationBlock from '@/components/blocks/PaginationBlock.vue'
 import SkeletonLoaderBlock from '@/components/blocks/SkeletonLoaderBlock.vue'
-import { useAdminTermEnrolleesQuery, useAdminTermQuery } from '@/services/query/admin-terms'
 import {
   adminCoursesKeys,
   useAdminCoursesListQuery,
   useUpdateAdminCourseMutation,
 } from '@/services/query/admin-courses'
+import {
+  adminTermsKeys,
+  useAdminTermEnrolleesQuery,
+  useAdminTermQuery,
+  useRemoveAdminTermStudentMutation,
+} from '@/services/query/admin-terms'
 
 defineOptions({ name: 'TermDetailsModal' })
 
@@ -187,6 +205,24 @@ const studentPaginationMeta = computed(() => ({
 
 const studentAvatar = (student) => student.avatarUrl || student.avatarDownloadUrl || ''
 
+const invalidateStudents = () => queryClient.invalidateQueries({ queryKey: adminTermsKeys.all })
+
+const removeStudentMutation = useRemoveAdminTermStudentMutation()
+
+const onAskRemoveStudent = (student) => {
+  openModal('ConfirmModal', {
+    title: `حذف ${student?.user?.name || 'طلبه'}`,
+    message: `بعد از حذف، دسترسی <strong>${
+      student?.user?.name || 'این طلبه'
+    }</strong> به این ترم و محتوای آن قطع می‌شود. آیا مطمئن هستید؟`,
+    onConfirm: () =>
+      removeStudentMutation.mutate(
+        { termId: termId.value, userId: student.user.id },
+        { onSuccess: invalidateStudents }
+      ),
+  })
+}
+
 const courseFilters = computed(() => ({ termId: termId.value }))
 const { pagination: coursePagination, setPage: setCoursePage } = usePagination({
   page: 1,