Port modular price, product, and PWA fixes into boursecu

Sync live quote handling, SSE product images, store hours, file URL normalization, PWA icon cache, TV monitor, about software, SuperAdmin menu gates, price alerts, and related UX from modular while preserving boursecu branding and config constraints.

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

src/views/base/home/components/CurrentPrice.vue

@@ -3,7 +3,18 @@
     class="w-full relative mt-2 rounded-lg py-3 flex flex-col justify-center home_appear_fade_in transition-colors duration-300"
     :class="containerClass"
   >
-    <template v-if="displayState !== 'open'">
+    <div
+      v-if="quotePending"
+      class="flex flex-col items-center gap-2 px-4 py-2"
+      aria-busy="true"
+      aria-label="در حال بارگذاری قیمت"
+    >
+      <div class="h-3 w-32 rounded boursecu-price-skeleton animate-pulse" />
+      <div class="h-6 w-48 rounded boursecu-price-skeleton animate-pulse" />
+      <div class="h-8 w-24 rounded-lg boursecu-price-skeleton animate-pulse" />
+    </div>
+
+    <template v-else-if="displayState !== 'open'">
       <div class="status-box status-box--boursecu">
         <div class="status-box__icon-wrap">
           <Icon
@@ -57,12 +68,14 @@ import {
   STORE_CLOSED_TITLE,
   getPriceDisplayState,
   getStoreClosedHint,
+  isHomeQuotePending,
 } from '@/utils/storeHours'
 import { formatSignedPercentChange, usePriceWithoutType } from '@/utils/usePrice'
 
 const userStore = useUserStore()
 
 const displayState = computed(() => getPriceDisplayState())
+const quotePending = computed(() => isHomeQuotePending())
 
 const statusTitle = computed(() =>
   displayState.value === 'closed' ? STORE_CLOSED_TITLE : NO_QUOTE_MESSAGE
@@ -76,6 +89,9 @@ const statusHint = computed(() => {
 })
 
 const containerClass = computed(() => {
+  if (quotePending.value) {
+    return 'boursecu-price-box boursecu-price-box--open'
+  }
   if (displayState.value !== 'open') {
     return 'boursecu-price-box boursecu-price-box--closed'
   }
@@ -129,6 +145,10 @@ void price
   font-weight: 500;
 }
 
+.boursecu-price-skeleton {
+  background: rgba(255, 255, 255, 0.25);
+}
+
 .status-box {
   display: flex;
   flex-direction: column;