Fix product performance grouped JSON build

ui/src/pages/ProductionProductCostingHasCost.vue

@@ -141,7 +141,7 @@
 </template>
 
 <script setup>
-import { computed, onMounted, reactive, ref, watch } from 'vue'
+import { computed, nextTick, onMounted, reactive, ref, watch } from 'vue'
 import { useRouter } from 'vue-router'
 import { usePermission } from 'src/composables/usePermission'
 import { get, extractApiErrorDetail } from 'src/services/api'
@@ -186,6 +186,30 @@ const columns = [
 ]
 
 const columnFilters = reactive({})
+const LIST_STATE_STORAGE_KEY = 'bssapp:production-product-costing:has-cost-list-state:v1'
+
+function persistListState () {
+  try {
+    sessionStorage.setItem(LIST_STATE_STORAGE_KEY, JSON.stringify({
+      filters: { search: String(filters.search || '') },
+      columnFilters: JSON.parse(JSON.stringify(columnFilters)),
+      pagination: { ...tablePagination.value }
+    }))
+  } catch {}
+}
+
+function restoreListState () {
+  try {
+    const raw = sessionStorage.getItem(LIST_STATE_STORAGE_KEY)
+    if (!raw) return
+    const saved = JSON.parse(raw)
+    filters.search = String(saved?.filters?.search || '')
+    Object.assign(columnFilters, saved?.columnFilters && typeof saved.columnFilters === 'object' ? saved.columnFilters : {})
+    if (saved?.pagination && typeof saved.pagination === 'object') {
+      tablePagination.value = { ...tablePagination.value, ...saved.pagination }
+    }
+  } catch {}
+}
 
 function getColumnFilter (name) {
   if (!columnFilters[name]) {
@@ -293,9 +317,11 @@ function clearAllColumnFilters () {
 }
 
 let searchTimer = null
+let filterWatchEnabled = false
 watch(
   () => filters.search,
   () => {
+    if (!filterWatchEnabled) return
     clearTimeout(searchTimer)
     searchTimer = setTimeout(() => {
       fetchRows()
@@ -352,15 +378,20 @@ function openRow (row) {
   const urunKodu = String(row?.UrunKodu || '').trim()
   if (!urunKodu) return
 
+  persistListState()
+
   router.push({
     name: 'production-product-costing-has-cost-history',
     query: { urun_kodu: urunKodu }
   })
 }
 
-onMounted(() => {
+onMounted(async () => {
   if (!canReadOrder.value) return
-  fetchRows()
+  restoreListState()
+  await nextTick()
+  filterWatchEnabled = true
+  await fetchRows()
 })
 </script>