fix: keep birthdays and show Shamsi dates

Imported customers keep their birthday, and assistant text plus remaining calendars use the Jalali date.

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

apps/web/src/views/HomeView.vue

@@ -3,7 +3,7 @@ import { computed, nextTick, onMounted, onUnmounted, ref } from 'vue';
 import { useAuthStore } from '@/stores/auth';
 import { api } from '@/lib/api';
 import { formatMoney } from '@/lib/money';
-import { toFaDigits } from '@/lib/jalali';
+import { formatJalaliDateTime, rewriteGregorianDates, toFaDigits } from '@/lib/jalali';
 import HomeHero from '@/components/dashboard/HomeHero.vue';
 import HomeKpiRow from '@/components/dashboard/HomeKpiRow.vue';
 import HomeSalesTrend from '@/components/dashboard/HomeSalesTrend.vue';
@@ -52,14 +52,9 @@ const greeting = computed(() => {
 
 function formatWhen(value: string | null) {
   if (!value) return '';
-  try {
-    return new Intl.DateTimeFormat('fa-IR', {
-      dateStyle: 'medium',
-      timeStyle: 'short',
-    }).format(new Date(value));
-  } catch {
-    return value;
-  }
+  const d = new Date(value);
+  if (Number.isNaN(d.getTime())) return value;
+  return formatJalaliDateTime(d);
 }
 
 function formatKpiValue(key: string, value: number) {
@@ -117,7 +112,7 @@ async function submitAsk(preset?: string) {
   askSources.value = [];
   try {
     const { data } = await api.post<AskMentoResponse>('/ai/ask', { question: q });
-    askAnswer.value = data.answer;
+    askAnswer.value = rewriteGregorianDates(data.answer);
     askSources.value = data.sources ?? [];
     await nextTick();
     document