Merge remote-tracking branch 'origin/master'

ui/src/pages/ProductionProductCostingHasCostDetail.vue

@@ -85,7 +85,6 @@
               @click="saveChanges"
             />
             <q-btn
-              v-if="isNoCostDetail"
               label="Kaydi Sil"
               icon="delete"
               dense
@@ -907,10 +906,10 @@ const hasUnsavedChanges = computed(() => {
 })
 
 const canDeleteCosting = computed(() => {
-  // Only allow delete for records created from no-cost flow.
-  // UX expectation: delete button becomes available after a costing record exists.
+  // Allow delete only for records created by this app's no-cost flow (we generate >= 100000).
+  // This avoids accidental deletion of legacy OnML records.
   const n = parseInt(String(onMLNo.value || detailHeader.value?.nOnMLNo || detailHeader.value?.NOnMLNo || '0'), 10) || 0
-  return n > 0 && String(detailSource.value || '').trim().toLowerCase() === 'no-cost'
+  return n >= 100000
 })
 
 function persistLocalDraftNow () {