fix: 在回收站标签页全选，执行批量删除操作时 相应的删除功能没有实现

frontend/src/views/pagetype/email/email_list.vue

@@ -489,23 +489,52 @@ async function handleDeleteSelected() {
   if (selectedKeys.value.length === 0) return
   const previewWasInSelection = previewName.value && selectedKeys.value.includes(previewName.value)
   const removedIdx = previewWasInSelection ? rows.value.findIndex(r => r.name === previewName.value) : -1
-  loading.value = true
-  try {
-    for (const name of selectedKeys.value) {
-      try {
-        await api.call('jingrow.email.inbox.mark_as_trash', { email: name })
-      } catch { /* skip failed */ }
+  const isDeletableFilter = activeFilter.value === 'spam' || activeFilter.value === 'trash'
+
+  if (isDeletableFilter) {
+    // In spam/trash: permanent delete with confirmation
+    dialog.warning({
+      title: t('Delete Permanently'),
+      content: t('Are you sure you want to delete permanently? This action cannot be undone.'),
+      positiveText: t('Delete Permanently'),
+      negativeText: t('Cancel'),
+      onPositiveClick: async () => {
+        loading.value = true
+        try {
+          await deleteRecords(entity.value, selectedKeys.value)
+          message.success(t('Deleted permanently'))
+          selectedKeys.value = []
+          await loadData()
+          if (previewWasInSelection) {
+            previewNextOrClose(previewName.value, removedIdx)
+          }
+        } catch {
+          message.error(t('Delete failed'))
+        } finally {
+          loading.value = false
+        }
+      }
+    })
+  } else {
+    // In other tabs: move to trash
+    loading.value = true
+    try {
+      for (const name of selectedKeys.value) {
+        try {
+          await api.call('jingrow.email.inbox.mark_as_trash', { email: name })
+        } catch { /* skip failed */ }
+      }
+      message.success(t('Moved to trash'))
+      selectedKeys.value = []
+      await loadData()
+      if (previewWasInSelection) {
+        previewNextOrClose(previewName.value, removedIdx)
+      }
+    } catch {
+      message.error(t('Operation failed'))
+    } finally {
+      loading.value = false
     }
-    message.success(t('Moved to trash'))
-    selectedKeys.value = []
-    await loadData()
-    if (previewWasInSelection) {
-      previewNextOrClose(previewName.value, removedIdx)
-    }
-  } catch {
-    message.error(t('Operation failed'))
-  } finally {
-    loading.value = false
   }
 }
 
@@ -640,6 +669,15 @@ async function refreshPreview() {
   if (!currentName) return
   // Capture index before reload (in case the record gets removed from current view)
   const currentIdx = rows.value.findIndex(r => r.name === currentName)
+  // Refresh the left list first
+  await loadData()
+  // If the current record is no longer in the list (e.g., permanently deleted, marked as spam/trash/restored),
+  // auto-navigate to the next record without trying to reload the removed record
+  if (!rows.value.some(r => r.name === currentName)) {
+    previewNextOrClose(currentName, currentIdx)
+    return
+  }
+  // Record still in list, reload its detail
   try {
     const [recordRes, attachmentsRes] = await Promise.all([
       getRecord(entity.value, currentName),
@@ -652,13 +690,6 @@ async function refreshPreview() {
       }
     }
   } catch { /* ignore */ }
-  // Refresh the left list
-  await loadData()
-  // If the current record is no longer in the list (e.g., marked as spam/trash/restored),
-  // auto-navigate to the next record
-  if (!rows.value.some(r => r.name === currentName)) {
-    previewNextOrClose(currentName, currentIdx)
-  }
 }
 
 async function navigatePreview(name: string) {