Fix product performance grouped JSON build

ui/src/pages/ProductionProductCostingHasCost.vue

@@ -389,6 +389,16 @@ function escapeExcelCsvCell (value) {
   return `"${text.replace(/"/g, '""')}"`
 }
 
+const excelNumericColumns = new Set(['lTutarTL', 'lTutarUSD', 'lTutarEURO'])
+
+function formatExcelCsvCell (col, rawValue, displayValue) {
+  if (excelNumericColumns.has(col?.name)) {
+    const numericValue = Number(rawValue)
+    if (Number.isFinite(numericValue)) return String(numericValue).replace('.', ',')
+  }
+  return escapeExcelCsvCell(displayValue)
+}
+
 function exportVisibleRows () {
   const visibleRows = Array.isArray(rows.value) ? rows.value : []
   if (visibleRows.length === 0) return
@@ -399,7 +409,7 @@ function exportVisibleRows () {
     ...visibleRows.map(row => exportColumns.map(col => {
       const rawValue = typeof col.field === 'function' ? col.field(row) : row?.[col.field]
       const displayValue = typeof col.format === 'function' ? col.format(rawValue, row) : rawValue
-      return escapeExcelCsvCell(displayValue)
+      return formatExcelCsvCell(col, rawValue, displayValue)
     }).join(';'))
   ]
 

ui/src/pages/ProductionProductCostingNoCost.vue

@@ -476,6 +476,14 @@ function escapeExcelCsvCell (value) {
   return `"${text.replace(/"/g, '""')}"`
 }
 
+function formatExcelCsvCell (col, rawValue, displayValue) {
+  if (col?.name === 'lMMiktar_G') {
+    const numericValue = Number(rawValue)
+    if (Number.isFinite(numericValue)) return String(numericValue).replace('.', ',')
+  }
+  return escapeExcelCsvCell(displayValue)
+}
+
 function exportVisibleRows () {
   const visibleRows = Array.isArray(rows.value) ? rows.value : []
   if (visibleRows.length === 0) {
@@ -489,7 +497,7 @@ function exportVisibleRows () {
     ...visibleRows.map(row => exportColumns.map(col => {
       const rawValue = typeof col.field === 'function' ? col.field(row) : row?.[col.field]
       const displayValue = typeof col.format === 'function' ? col.format(rawValue, row) : rawValue
-      return escapeExcelCsvCell(displayValue)
+      return formatExcelCsvCell(col, rawValue, displayValue)
     }).join(';'))
   ]