Unify store-closed messaging when the market is closed or has no quote.

Treat missing quotes as closed across home and products, show only the admin closed_message as hint, and block trading with consistent notices.

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

src/views/base/home/desktop/components/DesktopLivePrice.vue

@@ -16,7 +16,7 @@
           />
         </div>
         <p class="dhome-hero-price__closed-title">{{ statusTitle }}</p>
-        <p class="dhome-hero-price__closed-hint">{{ statusHint }}</p>
+        <p v-if="statusHint" class="dhome-hero-price__closed-hint">{{ statusHint }}</p>
       </div>
     </template>
 
@@ -55,8 +55,9 @@ import { useUserStore } from '@/store/userStore'
 import { getTradeBuyPrice, lastPrice, percentPriceChanged } from '@/utils/price'
 import {
   NO_QUOTE_MESSAGE,
+  STORE_CLOSED_TITLE,
   getPriceDisplayState,
-  getStoreClosedMessage,
+  getStoreClosedHint,
 } from '@/utils/storeHours'
 import { formatSignedPercentChange } from '@/utils/usePrice'
 
@@ -65,16 +66,12 @@ const userStore = useUserStore()
 const displayState = computed(() => getPriceDisplayState())
 
 const statusTitle = computed(() =>
-  displayState.value === 'closed' ? 'فروشگاه بسته است' : NO_QUOTE_MESSAGE
+  displayState.value === 'closed' ? STORE_CLOSED_TITLE : NO_QUOTE_MESSAGE
 )
 
 const statusHint = computed(() => {
   if (displayState.value === 'closed') {
-    const custom = userStore.getValueByKey('closed_message')
-    if (typeof custom === 'string' && custom.trim()) {
-      return custom.replace(/<[^>]*>/g, '').trim()
-    }
-    return getStoreClosedMessage()
+    return getStoreClosedHint(userStore.getValueByKey('closed_message'))
   }
   return 'در حال حاضر مظنه‌ای برای نمایش وجود ندارد.'
 })