Fix product performance grouped JSON build

ui/src/pages/ProductionProductCostingNoCost.vue

@@ -75,6 +75,7 @@
       :rows="rows"
       :columns="columns"
       :loading="loading"
+      v-model:pagination="pagination"
       no-data-label="Kayit bulunamadi"
       :rows-per-page-options="[0]"
       hide-bottom
@@ -273,6 +274,12 @@ const columns = [
 ]
 
 const columnFilters = reactive({})
+const pagination = ref({
+  page: 1,
+  rowsPerPage: 0,
+  sortBy: null,
+  descending: false
+})
 const LIST_STATE_STORAGE_KEY = 'bssapp:production-product-costing:no-cost-list-state:v1'
 
 function persistListState () {
@@ -283,6 +290,12 @@ function persistListState () {
         fromDate: String(filters.fromDate || '')
       },
       columnFilters: JSON.parse(JSON.stringify(columnFilters)),
+      pagination: {
+        page: Number(pagination.value.page || 1),
+        rowsPerPage: 0,
+        sortBy: pagination.value.sortBy || null,
+        descending: Boolean(pagination.value.descending)
+      },
       scrollY: Number(window.scrollY || 0)
     }))
   } catch {}
@@ -296,6 +309,14 @@ function restoreListState () {
     filters.search = String(saved?.filters?.search || '')
     filters.fromDate = String(saved?.filters?.fromDate || '2025-06-01')
     Object.assign(columnFilters, saved?.columnFilters && typeof saved.columnFilters === 'object' ? saved.columnFilters : {})
+    const savedSortBy = String(saved?.pagination?.sortBy || '').trim()
+    const sortableColumnNames = new Set(columns.filter(column => column.sortable).map(column => column.name))
+    pagination.value = {
+      page: 1,
+      rowsPerPage: 0,
+      sortBy: sortableColumnNames.has(savedSortBy) ? savedSortBy : null,
+      descending: Boolean(saved?.pagination?.descending)
+    }
     return Number(saved?.scrollY || 0)
   } catch {
     return 0