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>

vite.config.ts

@@ -92,6 +92,16 @@ export default defineConfig({
     },
     server: {
         port: 3100,
+        host: true,
+        // لوکال: بدون CORS به سوپرادمین واقعی وصل شو
+        proxy: {
+            '/__sa': {
+                target: 'https://adm.montzar.ir',
+                changeOrigin: true,
+                secure: true,
+                rewrite: (path) => path.replace(/^\/__sa/, ''),
+            },
+        },
     },
     build: {
         rollupOptions: {