feat: activity logs, gallery storage filter, and upload rate limits

Add per-user activity logs with storage backend tracking, gallery
storage filter, and IP/token upload rate limiting. Fix storage delete
modal flash, pin local backend in filter order, and link settings
version to GitHub releases.

app/pages/logs.vue

@@ -0,0 +1,587 @@
+<script setup lang="ts">
+import type { ActivityLogListResponse, ActivityLogStorage, LogAction, LogSource } from '~/types/logs'
+
+const { isChecking, isAuthenticated, checkSession, handleAuthError, fetchStatus, isAdmin } = useAuth()
+const toast = useToast()
+const { t, locale } = useI18n()
+const { formatFileSize } = useFileSize()
+
+const loading = ref(true)
+const page = ref(1)
+const actionFilter = ref<'all' | LogAction>('all')
+const sourceFilter = ref<'all' | LogSource>('all')
+const userFilter = ref<'all' | number>('all')
+const searchQuery = ref('')
+const activeSearch = ref('')
+const listData = ref<ActivityLogListResponse | null>(null)
+
+const pageSize = 10
+
+const summaryLabel = computed(() => {
+  const summary = listData.value?.summary
+  if (!summary) return ''
+  return t('logs.summaryAll', {
+    total: summary.total,
+    upload: summary.upload,
+    delete: summary.delete
+  })
+})
+
+const actionItems = computed(() => [
+  { label: t('logs.filterActionAll'), value: 'all' as const },
+  { label: t('logs.actionUpload'), value: 'upload' as const },
+  { label: t('logs.actionDelete'), value: 'delete' as const }
+])
+
+const sourceItems = computed(() => [
+  { label: t('logs.filterSourceAll'), value: 'all' as const },
+  { label: t('logs.sourceWeb'), value: 'web' as const },
+  { label: t('logs.sourceApi'), value: 'api' as const },
+  { label: t('logs.sourceTwikoo'), value: 'twikoo' as const }
+])
+
+const userItems = computed(() => {
+  const items: Array<{ label: string, value: 'all' | number }> = [
+    { label: t('logs.filterUserAll'), value: 'all' }
+  ]
+  for (const user of listData.value?.users ?? []) {
+    items.push({ label: user.username, value: user.id })
+  }
+  return items
+})
+
+function formatTime(value: string) {
+  try {
+    return new Date(value).toLocaleString(locale.value, { hour12: false })
+  } catch {
+    return value
+  }
+}
+
+function formatTimeShort(value: string) {
+  try {
+    return new Date(value).toLocaleString(locale.value, {
+      month: 'numeric',
+      day: 'numeric',
+      hour: '2-digit',
+      minute: '2-digit',
+      hour12: false
+    })
+  } catch {
+    return value
+  }
+}
+
+function folderFromKey(key: string) {
+  const slash = key.indexOf('/')
+  return slash > 0 ? key.slice(0, slash) : '(root)'
+}
+
+function actionColor(action: LogAction) {
+  return action === 'upload' ? 'success' : 'error'
+}
+
+function actionIcon(action: LogAction) {
+  return action === 'upload' ? 'i-lucide-upload' : 'i-lucide-trash-2'
+}
+
+function sourceLabel(source: LogSource) {
+  switch (source) {
+    case 'web':
+      return t('logs.sourceWeb')
+    case 'api':
+      return t('logs.sourceApi')
+    case 'twikoo':
+      return t('logs.sourceTwikoo')
+  }
+}
+
+function storageIcon(storage: ActivityLogStorage | null) {
+  return storage?.type === 'local' ? 'i-lucide-hard-drive' : 'i-lucide-cloud'
+}
+
+function imageUrl(key: string) {
+  if (!import.meta.client) return ''
+  return `${window.location.origin}/${key}`
+}
+
+async function loadLogs() {
+  loading.value = true
+  try {
+    const query: Record<string, string | number> = {
+      page: page.value,
+      limit: pageSize
+    }
+    if (actionFilter.value !== 'all') {
+      query.action = actionFilter.value
+    }
+    if (sourceFilter.value !== 'all') {
+      query.source = sourceFilter.value
+    }
+    if (isAdmin.value && userFilter.value !== 'all') {
+      query.userId = userFilter.value
+    }
+    if (activeSearch.value) {
+      query.q = activeSearch.value
+    }
+
+    listData.value = await $fetch<ActivityLogListResponse>('/api/logs', {
+      credentials: 'include',
+      query
+    })
+    page.value = listData.value.page
+  } catch (error: unknown) {
+    handleAuthError(error)
+    if (isAuthenticated.value) {
+      toast.add({ title: t('logs.loadFailed'), color: 'error' })
+    }
+  } finally {
+    loading.value = false
+  }
+}
+
+function applyFilters() {
+  page.value = 1
+  void loadLogs()
+}
+
+function submitSearch() {
+  activeSearch.value = searchQuery.value.trim()
+  applyFilters()
+}
+
+function clearSearch() {
+  searchQuery.value = ''
+  activeSearch.value = ''
+  applyFilters()
+}
+
+function handlePageChange(target: number) {
+  page.value = target
+  void loadLogs()
+}
+
+onMounted(async () => {
+  const status = await fetchStatus()
+  if (!status.initialized && !status.legacyMode) {
+    await navigateTo('/setup')
+    return
+  }
+  await checkSession()
+  if (!isAuthenticated.value) {
+    await navigateTo('/')
+    return
+  }
+  await loadLogs()
+})
+
+watch(isAuthenticated, async (authed, prev) => {
+  if (authed && prev === false) {
+    await loadLogs()
+  }
+})
+</script>
+
+<template>
+  <div class="min-h-screen">
+    <div
+      v-if="isChecking"
+      class="flex min-h-screen items-center justify-center"
+    >
+      <div class="flex flex-col items-center gap-3 text-muted">
+        <UIcon
+          name="i-lucide-loader-circle"
+          class="size-8 animate-spin"
+        />
+        <p class="text-sm">
+          {{ t('common.loadingSession') }}
+        </p>
+      </div>
+    </div>
+
+    <AdminLoginGate v-else-if="!isAuthenticated" />
+
+    <AppShell v-else>
+      <section class="min-w-0 overflow-x-hidden rounded-2xl border border-default bg-elevated shadow-sm">
+        <div class="flex flex-wrap items-start justify-between gap-3 border-b border-default px-4 py-4 sm:px-6">
+          <div class="flex items-start gap-2">
+            <UIcon
+              name="i-lucide-scroll-text"
+              class="mt-0.5 size-5 shrink-0 text-primary"
+            />
+            <div>
+              <h1 class="text-base font-semibold">
+                {{ t('logs.pageTitle') }}
+              </h1>
+              <p class="mt-0.5 text-xs text-muted">
+                {{ isAdmin ? t('logs.pageSubtitleAdmin') : t('logs.pageSubtitle') }}
+              </p>
+            </div>
+          </div>
+          <UButton
+            icon="i-lucide-refresh-cw"
+            variant="ghost"
+            color="neutral"
+            size="sm"
+            :aria-label="t('common.refresh')"
+            :loading="loading"
+            @click="loadLogs"
+          />
+        </div>
+
+        <form
+          class="border-b border-default px-4 py-3 sm:px-6"
+          @submit.prevent="submitSearch"
+        >
+          <div class="flex flex-col gap-2 sm:flex-row sm:items-center sm:justify-between">
+            <p
+              v-if="summaryLabel"
+              class="text-xs text-muted"
+            >
+              {{ summaryLabel }}
+            </p>
+            <p
+              v-else
+              class="text-xs text-muted"
+            >
+              {{ t('stats.counting') }}
+            </p>
+
+            <div class="flex min-w-0 flex-wrap items-center gap-2 sm:justify-end">
+              <USelect
+                v-if="isAdmin"
+                v-model="userFilter"
+                :items="userItems"
+                value-key="value"
+                class="min-w-0 w-full sm:w-36"
+                size="sm"
+                @update:model-value="applyFilters"
+              />
+              <USelect
+                v-model="actionFilter"
+                :items="actionItems"
+                value-key="value"
+                class="min-w-0 w-[calc(50%-0.25rem)] sm:w-32"
+                size="sm"
+                @update:model-value="applyFilters"
+              />
+              <USelect
+                v-model="sourceFilter"
+                :items="sourceItems"
+                value-key="value"
+                class="min-w-0 w-[calc(50%-0.25rem)] sm:w-36"
+                size="sm"
+                @update:model-value="applyFilters"
+              />
+              <div class="flex min-w-0 w-full items-center gap-2 sm:w-auto">
+                <UInput
+                  v-model="searchQuery"
+                  icon="i-lucide-search"
+                  :placeholder="t('logs.searchPlaceholder')"
+                  class="min-w-0 flex-1 sm:w-40 sm:flex-none"
+                  size="sm"
+                  :disabled="loading"
+                />
+                <UButton
+                  type="submit"
+                  icon="i-lucide-search"
+                  size="sm"
+                  class="shrink-0"
+                  :aria-label="t('common.search')"
+                  :loading="loading"
+                >
+                  <span class="hidden sm:inline">{{ t('common.search') }}</span>
+                </UButton>
+                <UButton
+                  v-if="activeSearch"
+                  type="button"
+                  icon="i-lucide-x"
+                  size="sm"
+                  variant="ghost"
+                  color="neutral"
+                  class="shrink-0"
+                  :aria-label="t('stats.clear')"
+                  @click="clearSearch"
+                >
+                  <span class="hidden sm:inline">{{ t('stats.clear') }}</span>
+                </UButton>
+              </div>
+            </div>
+          </div>
+        </form>
+
+        <div
+          v-if="loading"
+          class="p-4 sm:p-6"
+        >
+          <div class="space-y-3 sm:hidden">
+            <USkeleton
+              v-for="n in 6"
+              :key="`mobile-${n}`"
+              class="h-24 rounded-lg"
+            />
+          </div>
+          <div class="hidden space-y-2 sm:block">
+            <USkeleton
+              v-for="n in 8"
+              :key="`desktop-${n}`"
+              class="h-12 rounded-lg"
+            />
+          </div>
+        </div>
+
+        <template v-else-if="listData && listData.items.length">
+          <div class="min-w-0 sm:hidden">
+            <div class="divide-y divide-default">
+              <article
+                v-for="row in listData.items"
+                :key="row.id"
+                class="min-w-0 px-4 py-3.5"
+              >
+                <div class="flex items-start justify-between gap-3">
+                  <time class="text-xs text-muted">
+                    {{ formatTimeShort(row.createdAt) }}
+                  </time>
+                  <span class="shrink-0 text-xs tabular-nums text-muted">
+                    {{ formatFileSize(row.size) }}
+                  </span>
+                </div>
+
+                <div class="mt-2 flex min-w-0 max-w-full flex-wrap items-center gap-1.5">
+                  <UBadge
+                    :color="actionColor(row.action)"
+                    variant="subtle"
+                    size="xs"
+                  >
+                    <UIcon
+                      :name="actionIcon(row.action)"
+                      class="mr-1 size-3"
+                    />
+                    {{ row.action === 'upload' ? t('logs.actionUpload') : t('logs.actionDelete') }}
+                  </UBadge>
+                  <UBadge
+                    color="neutral"
+                    variant="subtle"
+                    size="xs"
+                  >
+                    {{ sourceLabel(row.source) }}
+                  </UBadge>
+                  <span
+                    v-if="isAdmin"
+                    class="text-xs text-muted"
+                  >
+                    {{ row.username ?? '—' }}
+                  </span>
+                  <UBadge
+                    v-if="row.storage"
+                    color="neutral"
+                    variant="subtle"
+                    size="xs"
+                    class="max-w-full truncate"
+                  >
+                    <UIcon
+                      :name="storageIcon(row.storage)"
+                      class="mr-1 size-3"
+                    />
+                    {{ row.storage.name }}
+                  </UBadge>
+                </div>
+
+                <p
+                  class="mt-2 truncate text-sm"
+                  :title="row.originalName"
+                >
+                  {{ row.originalName }}
+                </p>
+
+                <div class="mt-2 flex min-w-0 items-center gap-1">
+                  <a
+                    v-if="row.action === 'upload'"
+                    :href="imageUrl(row.key)"
+                    target="_blank"
+                    rel="noopener noreferrer"
+                    class="min-w-0 flex-1 truncate font-mono text-xs text-primary hover:underline"
+                    :title="row.key"
+                  >
+                    {{ row.key }}
+                  </a>
+                  <span
+                    v-else
+                    class="min-w-0 flex-1 truncate font-mono text-xs text-dimmed"
+                    :title="row.key"
+                  >
+                    {{ row.key }}
+                  </span>
+                  <CopyButton
+                    icon="i-lucide-copy"
+                    icon-only
+                    class="shrink-0"
+                    :label="t('common.copy')"
+                    :value="row.key"
+                    :success-title="t('copy.copiedUrl')"
+                  />
+                </div>
+              </article>
+            </div>
+          </div>
+
+          <div class="hidden overflow-x-auto sm:block">
+          <table class="min-w-full text-left text-sm">
+            <thead class="border-b border-default bg-muted/30 text-xs text-muted">
+              <tr>
+                <th class="px-4 py-3 font-medium sm:px-6">
+                  {{ t('logs.colTime') }}
+                </th>
+                <th
+                  v-if="isAdmin"
+                  class="px-4 py-3 font-medium"
+                >
+                  {{ t('logs.colUser') }}
+                </th>
+                <th class="px-4 py-3 font-medium">
+                  {{ t('logs.colAction') }}
+                </th>
+                <th class="px-4 py-3 font-medium">
+                  {{ t('logs.colSource') }}
+                </th>
+                <th class="px-4 py-3 font-medium">
+                  {{ t('logs.colStorage') }}
+                </th>
+                <th class="hidden px-4 py-3 font-medium md:table-cell">
+                  {{ t('logs.colFile') }}
+                </th>
+                <th class="hidden px-4 py-3 font-medium lg:table-cell">
+                  {{ t('logs.colFolder') }}
+                </th>
+                <th class="px-4 py-3 font-medium">
+                  {{ t('logs.colSize') }}
+                </th>
+                <th class="hidden px-4 py-3 font-medium xl:table-cell">
+                  {{ t('logs.colKey') }}
+                </th>
+              </tr>
+            </thead>
+            <tbody class="divide-y divide-default">
+              <tr
+                v-for="row in listData.items"
+                :key="row.id"
+                class="hover:bg-muted/20"
+              >
+                <td class="whitespace-nowrap px-4 py-3 text-xs text-muted sm:px-6">
+                  {{ formatTime(row.createdAt) }}
+                </td>
+                <td
+                  v-if="isAdmin"
+                  class="px-4 py-3 text-xs"
+                >
+                  {{ row.username ?? '—' }}
+                </td>
+                <td class="px-4 py-3">
+                  <UBadge
+                    :color="actionColor(row.action)"
+                    variant="subtle"
+                    size="xs"
+                  >
+                    <UIcon
+                      :name="actionIcon(row.action)"
+                      class="mr-1 size-3"
+                    />
+                    {{ row.action === 'upload' ? t('logs.actionUpload') : t('logs.actionDelete') }}
+                  </UBadge>
+                </td>
+                <td class="px-4 py-3">
+                  <UBadge
+                    color="neutral"
+                    variant="subtle"
+                    size="xs"
+                  >
+                    {{ sourceLabel(row.source) }}
+                  </UBadge>
+                </td>
+                <td class="px-4 py-3 text-xs">
+                  <span
+                    v-if="row.storage"
+                    class="inline-flex max-w-[8rem] items-center gap-1 truncate"
+                    :title="row.storage.name"
+                  >
+                    <UIcon
+                      :name="storageIcon(row.storage)"
+                      class="size-3.5 shrink-0 opacity-70"
+                    />
+                    <span class="truncate">{{ row.storage.name }}</span>
+                  </span>
+                  <span
+                    v-else
+                    class="text-muted"
+                  >—</span>
+                </td>
+                <td
+                  class="hidden max-w-[12rem] truncate px-4 py-3 md:table-cell"
+                  :title="row.originalName"
+                >
+                  {{ row.originalName }}
+                </td>
+                <td class="hidden px-4 py-3 font-mono text-xs text-muted lg:table-cell">
+                  {{ folderFromKey(row.key) }}
+                </td>
+                <td class="whitespace-nowrap px-4 py-3 tabular-nums text-muted">
+                  {{ formatFileSize(row.size) }}
+                </td>
+                <td class="hidden px-4 py-3 xl:table-cell">
+                  <div class="flex max-w-[16rem] items-center gap-1">
+                    <a
+                      v-if="row.action === 'upload'"
+                      :href="imageUrl(row.key)"
+                      target="_blank"
+                      rel="noopener noreferrer"
+                      class="truncate font-mono text-xs text-primary hover:underline"
+                      :title="row.key"
+                    >
+                      {{ row.key }}
+                    </a>
+                    <span
+                      v-else
+                      class="truncate font-mono text-xs text-dimmed"
+                      :title="row.key"
+                    >
+                      {{ row.key }}
+                    </span>
+                    <CopyButton
+                      icon="i-lucide-copy"
+                      icon-only
+                      :label="t('common.copy')"
+                      :value="row.key"
+                      :success-title="t('copy.copiedUrl')"
+                    />
+                  </div>
+                </td>
+              </tr>
+            </tbody>
+          </table>
+          </div>
+        </template>
+
+        <div
+          v-else
+          class="px-4 py-16 text-center text-sm text-muted sm:px-6"
+        >
+          {{ t('logs.empty') }}
+        </div>
+
+        <div
+          v-if="listData && listData.total > 0"
+          class="border-t border-default px-4 py-4 sm:px-6"
+        >
+          <PaginationBar
+            :page="listData.page"
+            :total-pages="listData.totalPages"
+            :total="listData.total"
+            :unit="t('logs.entriesUnit')"
+            :loading="loading"
+            @update:page="handlePageChange"
+          />
+        </div>
+      </section>
+    </AppShell>
+  </div>
+</template>

app/pages/settings/index.vue

@@ -333,7 +333,20 @@ watch(isAuthenticated, async (authed, prev) => {
               class="size-3.5 shrink-0"
             />
             <span>
-              {{ t('settings.apiTokenLine', { source: tokenSourceText(settings.tokenSource), version: settings.appVersion }) }}
+              {{ t('settings.apiTokenLine', { source: tokenSourceText(settings.tokenSource) }) }}
+              <a
+                href="https://github.com/O96u/PicHost/releases"
+                target="_blank"
+                rel="noopener noreferrer"
+                class="inline-flex items-center gap-0.5 text-primary underline-offset-2 hover:underline"
+                :title="t('settings.viewReleases')"
+              >
+                v{{ settings.appVersion }}
+                <UIcon
+                  name="i-lucide-external-link"
+                  class="size-3 opacity-70"
+                />
+              </a>
               <template v-if="hasServerChanges">
                 · <span class="text-warning">{{ t('settings.unsavedChanges') }}</span>
               </template>

app/pages/stats.vue

@@ -41,7 +41,11 @@ const {
   setActiveFolder,
   submitSearch,
   goToPage,
-  removeItems
+  removeItems,
+  activeStorageBackend,
+  storageBackendOptions,
+  setActiveStorageBackend,
+  loadStorageBackendOptions
 } = useImageList()
 
 const { formatFileSize } = useFileSize()
@@ -60,6 +64,7 @@ const deleteTargetKeys = ref<string[]>([])
 const batchDeleting = ref(false)
 const showScrollTop = ref(false)
 const currentFolder = ref('all')
+const currentStorage = ref('all')
 const folderOptions = ref<string[]>(['images'])
 
 const folderSelectItems = computed(() => [
@@ -67,6 +72,14 @@ const folderSelectItems = computed(() => [
   ...folderOptions.value.map(folder => ({ label: folder, value: folder }))
 ])
 
+const storageSelectItems = computed(() => [
+  { label: t('stats.filterStorageAll'), value: 'all' },
+  ...storageBackendOptions.value.map(backend => ({
+    label: backend.name,
+    value: backend.id
+  }))
+])
+
 const selectedCount = computed(() => selectedKeys.value.size)
 
 const FOLDER_CHART_COLORS = [
@@ -165,7 +178,8 @@ async function refreshGallery() {
   if (!isAuthenticated.value) return
   selectedKeys.value = new Set()
   try {
-    await Promise.all([refreshList(), loadFolders()])
+    await Promise.all([refreshList(), loadFolders(), loadStorageBackendOptions()])
+    currentStorage.value = activeStorageBackend.value
   } catch (error: unknown) {
     handleAuthError(error)
   }
@@ -188,8 +202,10 @@ async function refreshAll() {
     await Promise.all([
       fetchStats(),
       reloadGallery(),
-      loadFolders()
+      loadFolders(),
+      loadStorageBackendOptions()
     ])
+    currentStorage.value = activeStorageBackend.value
   } catch (error: unknown) {
     handleAuthError(error)
     if (isAuthenticated.value) {
@@ -211,6 +227,17 @@ async function handleFolderChange(folder: string) {
   }
 }
 
+async function handleStorageChange(backendId: string) {
+  if (!isAuthenticated.value) return
+  currentStorage.value = backendId
+  selectedKeys.value = new Set()
+  try {
+    await setActiveStorageBackend(backendId)
+  } catch (error: unknown) {
+    handleAuthError(error)
+  }
+}
+
 async function handleSearch() {
   if (!isAuthenticated.value) return
   selectedKeys.value = new Set()
@@ -481,6 +508,14 @@ watch(isAuthenticated, async (authed, prev) => {
               :aria-label="t('stats.folder')"
               @update:model-value="handleFolderChange"
             />
+            <USelect
+              v-model="currentStorage"
+              :items="storageSelectItems"
+              class="w-[6.5rem] shrink-0 sm:w-36"
+              size="sm"
+              :aria-label="t('stats.storage')"
+              @update:model-value="handleStorageChange"
+            />
             <UInput
               v-model="searchQuery"
               icon="i-lucide-search"
@@ -542,6 +577,7 @@ watch(isAuthenticated, async (authed, prev) => {
         <ImageGrid
           v-else
           :show-key="false"
+          show-storage
           :items="items"
           :selected-keys="selectedKeys"
           :deleting-keys="deletingKeys"

app/pages/storage.vue

@@ -18,6 +18,7 @@ const savingForm = ref(false)
 
 const deleteOpen = ref(false)
 const deleteTarget = ref<StorageBackendItem | null>(null)
+const deleteConfirmName = ref('')
 const deleting = ref(false)
 
 async function loadStorage() {
@@ -165,14 +166,16 @@ function confirmDelete(backend: StorageBackendItem) {
     return
   }
   deleteTarget.value = backend
+  deleteConfirmName.value = backend.name
   deleteOpen.value = true
 }
 
 async function executeDelete() {
-  if (!deleteTarget.value) return
+  const target = deleteTarget.value
+  if (!target) return
   deleting.value = true
   try {
-    await $fetch(`/api/admin/storage/${deleteTarget.value.id}`, {
+    await $fetch(`/api/admin/storage/${target.id}`, {
       method: 'DELETE',
       credentials: 'include'
     })
@@ -326,7 +329,7 @@ watch(isAuthenticated, async (authed) => {
             {{ t('storage.deleteConfirmTitle') }}
           </h2>
           <p class="mt-2 text-sm text-muted">
-            {{ t('storage.deleteConfirmBody', { name: deleteTarget?.name ?? '' }) }}
+            {{ t('storage.deleteConfirmBody', { name: deleteConfirmName }) }}
           </p>
           <div class="mt-5 flex justify-end gap-2">
             <UButton