diff --git a/ui/src/pages/ProductPricing.vue b/ui/src/pages/ProductPricing.vue
index 8850573..b725253 100644
--- a/ui/src/pages/ProductPricing.vue
+++ b/ui/src/pages/ProductPricing.vue
@@ -3,18 +3,20 @@
     <q-inner-loading :showing="pageBusy">
       <q-spinner-gears size="52px" color="primary" />
     </q-inner-loading>
-    <div
-      v-if="pageBusy"
-      class="page-busy-overlay"
-      @click.stop
-      @mousedown.stop
-      @mouseup.stop
-      @touchstart.stop
-      @wheel.stop
-    >
-      <q-spinner-gears size="56px" color="primary" />
-      <div class="page-busy-label">Yukleniyor...</div>
-    </div>
+    <teleport to="body">
+      <div
+        v-if="pageBusy"
+        class="page-busy-overlay"
+        @click.stop
+        @mousedown.stop
+        @mouseup.stop
+        @touchstart.stop
+        @wheel.stop
+      >
+        <q-spinner-gears size="56px" color="primary" />
+        <div class="page-busy-label">Yukleniyor...</div>
+      </div>
+    </teleport>
 
     <div class="top-bar row items-center justify-between q-mb-xs">
       <div class="text-subtitle1 text-weight-bold">Urun Fiyatlandirma</div>
@@ -871,7 +873,8 @@ const $q = useQuasar()
 const store = useProductPricingStore()
 
 const isReloading = ref(false)
-const pageBusy = computed(() => Boolean(isReloading.value || store.loading || saving.value || bulkCalcLoading.value || exportAllLoading.value))
+const reloadScheduled = ref(false)
+const pageBusy = computed(() => Boolean(reloadScheduled.value || isReloading.value || store.loading || saving.value || bulkCalcLoading.value || exportAllLoading.value))
 const PAGE_LIMIT = 250
 const currentPage = ref(1)
 let reloadTimer = null
@@ -1660,6 +1663,13 @@ function toggleColumnFilterValue (field, value) {
     }
     return
   }
+  if (field === 'productCode') {
+    columnFilters.value = {
+      ...columnFilters.value,
+      [field]: current.has(value) ? [value] : []
+    }
+    return
+  }
   columnFilters.value = {
     ...columnFilters.value,
     [field]: Array.from(current)
@@ -1675,6 +1685,13 @@ function selectAllColumnFilterOptions (field) {
     }
     return
   }
+  if (field === 'productCode') {
+    columnFilters.value = {
+      ...columnFilters.value,
+      [field]: options.length > 0 ? [options[0].value] : []
+    }
+    return
+  }
   columnFilters.value = {
     ...columnFilters.value,
     [field]: options.map((option) => option.value)
@@ -2443,6 +2460,7 @@ function buildServerFilters () {
 }
 
 function scheduleReload () {
+  reloadScheduled.value = true
   if (reloadTimer) clearTimeout(reloadTimer)
   reloadTimer = setTimeout(() => {
     reloadTimer = null
@@ -2493,9 +2511,13 @@ async function fetchChunk ({ page = 1, useCache = true } = {}) {
 } 
 
 async function reloadData ({ page = 1, useCache = true } = {}) {
-  if (isReloading.value) return
+  if (isReloading.value) {
+    reloadScheduled.value = false
+    return
+  }
   const startedAt = Date.now()
   isReloading.value = true
+  reloadScheduled.value = false
   console.info('[product-pricing][ui] reload:start', {
     at: new Date(startedAt).toISOString()
   })
@@ -2521,6 +2543,7 @@ async function reloadData ({ page = 1, useCache = true } = {}) {
       duration_ms: Date.now() - startedAt,
       row_count: Array.isArray(store.rows) ? store.rows.length : 0
     })
+    reloadScheduled.value = false
     isReloading.value = false
   }
 }
@@ -2594,7 +2617,7 @@ onBeforeUnmount(() => {
 .page-busy-overlay {
   position: fixed;
   inset: 0;
-  z-index: 9000;
+  z-index: 30000;
   display: flex;
   flex-direction: column;
   align-items: center;
diff --git a/ui/src/pages/WholesaleCampaigns.vue b/ui/src/pages/WholesaleCampaigns.vue
index 5a8685e..3537a30 100644
--- a/ui/src/pages/WholesaleCampaigns.vue
+++ b/ui/src/pages/WholesaleCampaigns.vue
@@ -3,18 +3,20 @@
     <q-inner-loading :showing="pageBusy">
       <q-spinner-gears size="52px" color="primary" />
     </q-inner-loading>
-    <div
-      v-if="pageBusy"
-      class="page-busy-overlay"
-      @click.stop
-      @mousedown.stop
-      @mouseup.stop
-      @touchstart.stop
-      @wheel.stop
-    >
-      <q-spinner-gears size="56px" color="primary" />
-      <div class="page-busy-label">Yukleniyor...</div>
-    </div>
+    <teleport to="body">
+      <div
+        v-if="pageBusy"
+        class="page-busy-overlay"
+        @click.stop
+        @mousedown.stop
+        @mouseup.stop
+        @touchstart.stop
+        @wheel.stop
+      >
+        <q-spinner-gears size="56px" color="primary" />
+        <div class="page-busy-label">Yukleniyor...</div>
+      </div>
+    </teleport>
 
     <div class="top-bar row items-center justify-between q-mb-xs">
       <div class="text-subtitle1 text-weight-bold">Toptan Kampanya Yonetimi</div>
@@ -875,9 +877,9 @@ const $q = useQuasar()
 const store = useProductPricingStore()
 
 const isReloading = ref(false)
-const pageBusy = computed(() => Boolean(isReloading.value || store.loading || variantLoading.value || saving.value || exportAllLoading.value))
-// Variant rows explode product rows; keep this smaller than ProductPricing for responsiveness.
-const PAGE_LIMIT = 50
+const reloadScheduled = ref(false)
+const pageBusy = computed(() => Boolean(reloadScheduled.value || isReloading.value || store.loading || variantLoading.value || saving.value || exportAllLoading.value))
+const PAGE_LIMIT = 250
 const currentPage = ref(1)
 let reloadTimer = null
 const variantRows = ref([])
@@ -1734,6 +1736,13 @@ function toggleColumnFilterValue (field, value) {
     }
     return
   }
+  if (field === 'productCode') {
+    columnFilters.value = {
+      ...columnFilters.value,
+      [field]: current.has(value) ? [value] : []
+    }
+    return
+  }
   columnFilters.value = {
     ...columnFilters.value,
     [field]: Array.from(current)
@@ -1749,6 +1758,13 @@ function selectAllColumnFilterOptions (field) {
     }
     return
   }
+  if (field === 'productCode') {
+    columnFilters.value = {
+      ...columnFilters.value,
+      [field]: options.length > 0 ? [options[0].value] : []
+    }
+    return
+  }
   columnFilters.value = {
     ...columnFilters.value,
     [field]: options.map((option) => option.value)
@@ -2456,6 +2472,7 @@ function buildServerFilters () {
 }
 
 function scheduleReload () {
+  reloadScheduled.value = true
   if (reloadTimer) clearTimeout(reloadTimer)
   reloadTimer = setTimeout(() => {
     reloadTimer = null
@@ -2700,9 +2717,13 @@ async function buildVariantRowsForProductPage (baseProductRows = []) {
 }
 
 async function reloadData ({ page = 1, useCache = true } = {}) {
-  if (isReloading.value) return
+  if (isReloading.value) {
+    reloadScheduled.value = false
+    return
+  }
   const startedAt = Date.now()
   isReloading.value = true
+  reloadScheduled.value = false
   console.info('[product-pricing][ui] reload:start', {
     at: new Date(startedAt).toISOString()
   })
@@ -2732,6 +2753,7 @@ async function reloadData ({ page = 1, useCache = true } = {}) {
       row_count: Array.isArray(store.rows) ? store.rows.length : 0,
       variant_row_count: Array.isArray(variantRows.value) ? variantRows.value.length : 0
     })
+    reloadScheduled.value = false
     isReloading.value = false
   }
 }
@@ -2808,7 +2830,7 @@ onBeforeUnmount(() => {
 .page-busy-overlay {
   position: fixed;
   inset: 0;
-  z-index: 9000;
+  z-index: 30000;
   display: flex;
   flex-direction: column;
   align-items: center;
diff --git a/ui/src/stores/ProductPricingStore.js b/ui/src/stores/ProductPricingStore.js
index d964ca6..ba3684b 100644
--- a/ui/src/stores/ProductPricingStore.js
+++ b/ui/src/stores/ProductPricingStore.js
@@ -317,14 +317,6 @@ export const useProductPricingStore = defineStore('product-pricing-store', {
           this.applyPageResult(payload, page)
         }
 
-        // Background prefetch for next page to reduce perceived wait on page change.
-        if (this.page < this.totalPages) {
-          void this.prefetchPage({
-            limit,
-            page: this.page + 1,
-            filters
-          })
-        }
         console.info('[product-pricing][frontend] request:success', {
           trace_id: traceId,
           duration_ms: Date.now() - startedAt,