Support Didar activity Excel exports without header rows via positional columns.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/web/src/views/ActivitiesView.vue

@@ -20,7 +20,17 @@ import {
 } from '@/components/ui';
 import UiIcon from '@/components/UiIcon.vue';
 import ExcelImportFlow from '@/components/ExcelImportFlow.vue';
-import { ACTIVITY_EXCEL_ALIASES, ACTIVITY_EXCEL_FIELDS } from '@/lib/activity-excel';
+import {
+  ACTIVITY_EXCEL_ALIASES,
+  ACTIVITY_EXCEL_FIELDS,
+  DIDAR_ACTIVITY_POSITIONAL,
+  looksLikeDidarActivityHeaderless,
+} from '@/lib/activity-excel';
+
+const activityClientReadOptions = {
+  positionalColumns: DIDAR_ACTIVITY_POSITIONAL,
+  detectHeaderless: looksLikeDidarActivityHeaderless,
+};
 import ActivityFormView from '@/views/ActivityFormView.vue';
 import type {
   ActivityDto,
@@ -504,6 +514,7 @@ onUnmounted(() => {
           rows-import-path="/activities/import/rows"
           :client-aliases="ACTIVITY_EXCEL_ALIASES"
           :client-fields="ACTIVITY_EXCEL_FIELDS"
+          :client-read-options="activityClientReadOptions"
           :disabled="busy"
           @start="onImportStart"
           @done="onImportDone"