fix(tv): show board prices from tv_price instead of list price

The monitor uses the TV formula field so the catalog list price stays unchanged.

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

src/utils/productPrice.ts

@@ -249,6 +249,42 @@ export function isProductPriceInactive(product?: Product | null): boolean {
   return getProductBaseBuyPrice(product) <= 0
 }
 
+function tvUnitPrice(product: Product): number {
+  return Number(product.tv_price ?? 0)
+}
+
+export function getTvProductBuyPrice(product?: Product | null): number {
+  if (!product) {
+    return 0
+  }
+  const unit = tvUnitPrice(product)
+  if (unit > 0) {
+    return unit + resolveProductCashFeeBuyRial(product, unit)
+  }
+  return getProductBuyPrice(product)
+}
+
+export function getTvProductSellPrice(product?: Product | null): number {
+  if (!product) {
+    return 0
+  }
+  const unit = tvUnitPrice(product)
+  if (unit > 0) {
+    return unit - resolveProductCashFeeSellRial(product, unit)
+  }
+  return getProductSellPrice(product)
+}
+
+export function isTvProductPriceInactive(product?: Product | null): boolean {
+  if (!product) {
+    return true
+  }
+  if (tvUnitPrice(product) > 0) {
+    return false
+  }
+  return isProductPriceInactive(product)
+}
+
 /**
  * نمایش محصول در فروشگاه — اولویت با `show` سرور.
  * آبشدهٔ قیمت‌اپ با مظنه زنده حتی اگر show هنوز false باشد.