Merge origin/modular into feature/responsive-layout-refactor.

Keep the responsive layout refactor while bringing in modular updates for support UI, pricing, categories, and config loading.

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

src/utils/productAssets.ts

@@ -335,17 +335,32 @@ export function getTotalMetalWeight(
   return Number(walletInfo?.treasure ?? walletInfo?.gold_sum ?? walletInfo?.count_gold ?? 0)
 }
 
-/** فقط موجودی نقدی کیف اصلی — فیلد gold (مثل 0.3 کیلوگرم) جزو دارایی ریالی نیست */
+/** موجودی ریالی کیف اصلی — با main_wallet_products فیلد cash ممکن است کیف محصول باشد */
 export function getRialCashAmount(
   walletInfo?: Record<string, unknown> | null,
   wallets?: UserWalletLine[] | null
 ): number {
+  const aggregated = walletInfo?.count_cash_wallet ?? walletInfo?.count_cash
+  if (aggregated != null && aggregated !== '') {
+    const parsed = Number(aggregated)
+    if (!Number.isNaN(parsed)) {
+      return parsed
+    }
+  }
+
   const mainCash = getMainWalletCash(wallets)
   if (mainCash > 0) {
     return mainCash
   }
 
-  return Number(walletInfo?.count_cash ?? walletInfo?.cash ?? 0)
+  return Number(walletInfo?.cash ?? 0)
+}
+
+export function getCashWalletBalance(
+  walletInfo?: Record<string, unknown> | null,
+  wallets?: UserWalletLine[] | null
+): number {
+  return getRialCashAmount(walletInfo, wallets)
 }
 
 export function getTotalRialEquivalent(walletInfo?: Record<string, unknown> | null): number {