Fix landing 500 from invalid Asia/Esfahan timezone.

Normalize Iran city aliases to Asia/Tehran, harden the clock, and make settings timezone a safe select.

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

apps/landing/components/SiteNavbar.vue

@@ -18,20 +18,19 @@
 </template>
 
 <script setup lang="ts">
+import { formatClock } from "~/utils/timezone";
+
 const props = defineProps<{ brand?: string; timezone?: string }>();
 const brand = computed(() => props.brand || "منتک");
 const time = ref("");
 
 onMounted(() => {
-  const tz = props.timezone || "Asia/Tehran";
   const tick = () => {
-    time.value = new Intl.DateTimeFormat("fa-IR", {
-      timeZone: tz,
-      hour: "2-digit",
-      minute: "2-digit",
-      second: "2-digit",
-      hour12: false,
-    }).format(new Date());
+    try {
+      time.value = formatClock(new Date(), props.timezone);
+    } catch {
+      time.value = "";
+    }
   };
   tick();
   const id = setInterval(tick, 1000);