Fix product performance grouped JSON build

svc/queries/production_product_costing.go

@@ -908,6 +908,7 @@ func GetProductionHasCostProducts(
 	search string,
 	offset int,
 	limit int,
+	nFirmaID int,
 ) (*sql.Rows, error) {
 	search = strings.TrimSpace(search)
 
@@ -998,6 +999,7 @@ OUTER APPLY (
 		)
 ) CM
 WHERE OM.rn = 1
+  AND (@p4 <= 0 OR ISNULL(OM.nFirmaID, 0) = @p4)
   AND (
 	@p1 = ''
 	OR RTRIM(CONVERT(VARCHAR(32), ISNULL(OM.nOnMLNo, 0))) LIKE '%' + @p1 + '%'
@@ -1012,7 +1014,7 @@ OFFSET @p2 ROWS
 FETCH NEXT @p3 ROWS ONLY
 `
 
-	return uretimDB.QueryContext(ctx, sqlText, search, offset, limit)
+	return uretimDB.QueryContext(ctx, sqlText, search, offset, limit, nFirmaID)
 }
 
 func GetProductionHasCostHistoryByProductCode(

svc/routes/production_product_costing.go

@@ -197,11 +197,12 @@ func GetProductionHasCostProductsHandler(w http.ResponseWriter, r *http.Request)
 	search := strings.TrimSpace(r.URL.Query().Get("search"))
 	offset := parsePositiveIntOrDefault(r.URL.Query().Get("offset"), 0)
 	limit := parsePositiveIntOrDefault(r.URL.Query().Get("limit"), 300)
+	nFirmaID, _ := strconv.Atoi(strings.TrimSpace(r.URL.Query().Get("n_firma_id")))
 	if limit > 1000 {
 		limit = 1000
 	}
 
-	rows, err := queries.GetProductionHasCostProducts(r.Context(), uretimDB, search, offset, limit)
+	rows, err := queries.GetProductionHasCostProducts(r.Context(), uretimDB, search, offset, limit, nFirmaID)
 	if err != nil {
 		log.Printf("❌ [ProductionHasCost] query error: %v", err)
 		http.Error(w, "Veritabanı hatası", http.StatusInternalServerError)