diff --git a/ui/src/pages/ProductionProductCostingHasCost.vue b/ui/src/pages/ProductionProductCostingHasCost.vue
index 1994b5e..b33c7eb 100644
--- a/ui/src/pages/ProductionProductCostingHasCost.vue
+++ b/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>
 
diff --git a/ui/src/pages/ProductionProductCostingHasCostDetail.vue b/ui/src/pages/ProductionProductCostingHasCostDetail.vue
index 38c1bcb..957db70 100644
--- a/ui/src/pages/ProductionProductCostingHasCostDetail.vue
+++ b/ui/src/pages/ProductionProductCostingHasCostDetail.vue
@@ -5060,13 +5060,31 @@ async function saveChanges () {
 
     // If we created a new OnML (no-cost), switch to has-cost detail mode.
     if (isNoCostDetail.value && newOnMLNo > 0) {
-      router.replace({
+      await router.replace({
         name: 'production-product-costing-has-cost-detail',
         query: {
           n_onml_no: String(newOnMLNo),
           urun_kodu: String(header?.UrunKodu || productCode.value || '').trim()
         }
       })
+
+      $q.dialog({
+        title: 'Maliyet Kaydedildi',
+        message: 'Maliyeti olmayan urunler listesine donup kaldiginiz yerden devam etmek ister misiniz?',
+        ok: {
+          label: 'Listeye Don',
+          color: 'primary',
+          icon: 'arrow_back'
+        },
+        cancel: {
+          label: 'Bu Sayfada Devam Et',
+          color: 'grey-7',
+          flat: true
+        },
+        persistent: true
+      }).onOk(() => {
+        router.push({ name: 'production-product-costing-no-cost' })
+      })
       return
     }
 
@@ -5076,6 +5094,24 @@ async function saveChanges () {
     window.setTimeout(() => {
       try { refreshLast10Warnings() } catch {}
     }, 1200)
+
+    $q.dialog({
+      title: 'Maliyet Guncellendi',
+      message: 'Mevcut maliyeti olan urunler listesine donup kaldiginiz yerden devam etmek ister misiniz?',
+      ok: {
+        label: 'Listeye Don',
+        color: 'primary',
+        icon: 'arrow_back'
+      },
+      cancel: {
+        label: 'Bu Sayfada Devam Et',
+        color: 'grey-7',
+        flat: true
+      },
+      persistent: true
+    }).onOk(() => {
+      router.push({ name: 'production-product-costing-has-cost' })
+    })
   } catch (e) {
     // Surface backend message (http.Error text) when available.
     const msg = String(
diff --git a/ui/src/pages/ProductionProductCostingNoCost.vue b/ui/src/pages/ProductionProductCostingNoCost.vue
index 8dad93d..be3ae5e 100644
--- a/ui/src/pages/ProductionProductCostingNoCost.vue
+++ b/ui/src/pages/ProductionProductCostingNoCost.vue
@@ -176,7 +176,7 @@
 </template>
 
 <script setup>
-import { computed, onMounted, reactive, ref, watch } from 'vue'
+import { computed, nextTick, onMounted, reactive, ref, watch } from 'vue'
 import { useQuasar } from 'quasar'
 import { useRouter } from 'vue-router'
 import { usePermission } from 'src/composables/usePermission'
@@ -262,6 +262,34 @@ const columns = [
 ]
 
 const columnFilters = reactive({})
+const LIST_STATE_STORAGE_KEY = 'bssapp:production-product-costing:no-cost-list-state:v1'
+
+function persistListState () {
+  try {
+    sessionStorage.setItem(LIST_STATE_STORAGE_KEY, JSON.stringify({
+      filters: {
+        search: String(filters.search || ''),
+        fromDate: String(filters.fromDate || '')
+      },
+      columnFilters: JSON.parse(JSON.stringify(columnFilters)),
+      scrollY: Number(window.scrollY || 0)
+    }))
+  } catch {}
+}
+
+function restoreListState () {
+  try {
+    const raw = sessionStorage.getItem(LIST_STATE_STORAGE_KEY)
+    if (!raw) return 0
+    const saved = JSON.parse(raw)
+    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 : {})
+    return Number(saved?.scrollY || 0)
+  } catch {
+    return 0
+  }
+}
 
 function getColumnFilter (name) {
   if (!columnFilters[name]) {
@@ -384,9 +412,11 @@ function clearAllColumnFilters () {
 }
 
 let searchTimer = null
+let filterWatchEnabled = false
 watch(
   () => filters.search,
   () => {
+    if (!filterWatchEnabled) return
     clearTimeout(searchTimer)
     searchTimer = setTimeout(() => {
       fetchRows()
@@ -397,6 +427,7 @@ watch(
 watch(
   () => filters.fromDate,
   () => {
+    if (!filterWatchEnabled) return
     fetchRows()
   }
 )
@@ -449,6 +480,8 @@ function openRow (row) {
     recipe_code: recipeCode
   })
 
+  persistListState()
+
   router.push({
     name: 'production-product-costing-has-cost-detail',
     query: {
@@ -460,9 +493,16 @@ function openRow (row) {
   })
 }
 
-onMounted(() => {
+onMounted(async () => {
   if (!canReadOrder.value) return
-  fetchRows()
+  const savedScrollY = restoreListState()
+  await nextTick()
+  filterWatchEnabled = true
+  await fetchRows()
+  if (savedScrollY > 0) {
+    await nextTick()
+    window.scrollTo({ top: savedScrollY, behavior: 'auto' })
+  }
 })
 </script>