fix: colleague price products use DealProduct, not indexGold

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

src/utils/productPrice.ts

@@ -24,6 +24,17 @@ function hasReferenceReadingMethod(product: Product): boolean {
   return Boolean(product.reading_method)
 }
 
+/** قیمت منبع همکار؛ اگر خالی بود آبشده همان مظنهٔ صفحه اصلی را می‌گیرد */
+function getColleagueSourcedUnitPrice(product: Product, live: number, apiPrice = Number(product.price ?? 0)): number {
+  if (apiPrice > 0) {
+    return apiPrice
+  }
+  if (isMeltedTradeGroup(product.group_type) && live > 0) {
+    return applyPriceOffsetPercent(live, product.price_offset_percent)
+  }
+  return 0
+}
+
 function hasProductUnitWeight(product?: Product | null) {
   if (!product || isMeltedTradeGroup(product.group_type)) {
     return false
@@ -85,6 +96,10 @@ export function getProductBaseBuyPrice(product?: Product | null): number {
     return 0
   }
 
+  if (isColleaguePriceProduct(product)) {
+    return getColleagueSourcedUnitPrice(product, getTradeBuyPrice(lastPrice.value))
+  }
+
   if (isMeltedProductUsingAppPrice(product) || isAppPriceProduct(product)) {
     const apiPrice = Number(product.price ?? 0)
     const useLast = productUsesLastPriceIfZero(product)
@@ -171,6 +186,14 @@ export function getProductBaseSellPrice(product?: Product | null): number {
     return 0
   }
 
+  if (isColleaguePriceProduct(product)) {
+    return getColleagueSourcedUnitPrice(
+      product,
+      getTradeSellPrice(lastPrice.value),
+      Number(product.sellPrice ?? product.price ?? 0),
+    )
+  }
+
   if (isMeltedProductUsingAppPrice(product) || isAppPriceProduct(product)) {
     const apiPrice = Number(product.price ?? 0)
     const useLast = productUsesLastPriceIfZero(product)
@@ -199,10 +222,6 @@ export function getProductBaseSellPrice(product?: Product | null): number {
     return Number(product.sellPrice ?? product.price ?? 0)
   }
 
-  if (isColleaguePriceProduct(product)) {
-    return Number(product.sellPrice ?? product.price ?? 0)
-  }
-
   const serverSell = Number(product.sellPrice ?? 0)
   if (serverSell > 0) {
     return serverSell