fix: make admin media uploads reliable

src/features/admin/courses/pages/CourseFormPage.vue

@@ -33,7 +33,7 @@
               <SelectField
                 v-model="form.teacherId"
                 name="teacherId"
-                label="استاد"
+                label="استاد (اختیاری)"
                 :options="teacherOptions"
                 option-label="name"
                 option-value="id"
@@ -251,12 +251,12 @@ watch(
   { immediate: true }
 )
 
-const uploadMutation = useUploadMediaMutation()
+const coverUploadMutation = useUploadMediaMutation()
 
 const onImageCropped = async (file) => {
   try {
     const formData = objectToFormData({ file, purpose: 'cover', context: 'course' })
-    const response = await uploadMutation.mutateAsync(formData)
+    const response = await coverUploadMutation.mutateAsync(formData)
     const payload = response?.data ?? response
     image.value = { url: payload?.url, ...payload }
     form.value.coverMediaId = payload?.id
@@ -270,15 +270,28 @@ const onImageError = (msg) => toast.error(msg)
 const addMutation = useAddAdminCourseMutation()
 const updateMutation = useUpdateAdminCourseMutation()
 
-const submitting = computed(() => addMutation.isPending.value || updateMutation.isPending.value)
+const submitting = computed(
+  () =>
+    coverUploadMutation.isPending.value ||
+    addMutation.isPending.value ||
+    updateMutation.isPending.value
+)
 
 const onSubmit = async () => {
+  if (coverUploadMutation.isPending.value) {
+    toast.info('لطفاً تا پایان بارگذاری تصویر دوره منتظر بمانید.')
+    return
+  }
   const { isValid, payload } = await validate(form.value)
   if (!isValid) return
-  if (isEditMode.value) {
-    await updateMutation.mutateAsync({ id: courseId.value, payload })
-  } else {
-    await addMutation.mutateAsync(payload)
+  try {
+    if (isEditMode.value) {
+      await updateMutation.mutateAsync({ id: courseId.value, payload })
+    } else {
+      await addMutation.mutateAsync(payload)
+    }
+  } catch {
+    return
   }
   await queryClient.invalidateQueries({ queryKey: adminCoursesKeys.all })
   router.push({ name: 'admin-courses' })

src/features/admin/courses/pages/CoursesListPage.vue

@@ -69,7 +69,12 @@ const courseIcon = gallery.courseIcon
 const routeTermId = computed(() => (route.params.termId ? Number(route.params.termId) : null))
 
 const onAdd = () => {
-  router.push({ name: 'admin-add-course' }).catch(() => {})
+  router
+    .push({
+      name: 'admin-add-course',
+      query: routeTermId.value ? { termId: routeTermId.value } : undefined,
+    })
+    .catch(() => {})
 }
 
 const tabs = [

src/features/admin/courses/schema/index.js

@@ -2,7 +2,8 @@ import { array, boolean, mixed, number, object, string } from 'yup'
 
 export const courseSchema = object().shape({
   title: string().required().min(3).max(255),
-  teacherId: mixed().required(),
+  // The backend intentionally allows courses without an assigned teacher.
+  teacherId: mixed().nullable().notRequired(),
   capacity: number()
     .typeError('ظرفیت باید به‌صورت عدد وارد شود')
     .required()