🎨 统一后台分页与设置页布局

src/composables/useAdminFiles.ts

@@ -81,6 +81,8 @@ const legacyForeverExpiresAt = '2099-12-31T23:59'
 const detailPolicyDownloadLimit = 5
 const hourInMilliseconds = 60 * 60 * 1000
 const dayInMilliseconds = 24 * 60 * 60 * 1000
+const adminPageSizeOptions = [5, 10, 20, 50, 100] as const
+const defaultAdminPageSize = 10
 
 type DetailPolicyActionOption = {
   action: AdminFilePolicyAction
@@ -167,8 +169,10 @@ const normalizePresetChoice = <T extends string>(
 
 const normalizePresetSize = (value: unknown) => {
   const normalizedSize = Number(value)
-  if (!Number.isFinite(normalizedSize)) return 10
-  return Math.min(Math.max(Math.trunc(normalizedSize), 1), 100)
+  const pageSize = Number.isFinite(normalizedSize) ? Math.trunc(normalizedSize) : defaultAdminPageSize
+  return adminPageSizeOptions.includes(pageSize as (typeof adminPageSizeOptions)[number])
+    ? pageSize
+    : defaultAdminPageSize
 }
 
 const buildDefaultViewPresetParams = (): AdminFileViewPresetParams => ({
@@ -178,7 +182,7 @@ const buildDefaultViewPresetParams = (): AdminFileViewPresetParams => ({
   health: 'all',
   sortBy: 'created_at',
   sortOrder: 'desc',
-  size: 10
+  size: defaultAdminPageSize
 })
 
 const normalizeViewPresetParams = (params: unknown): AdminFileViewPresetParams => {
@@ -218,7 +222,7 @@ export function useAdminFiles() {
   const summary = ref<AdminFileSummary>(emptySummary())
   const params = ref<AdminFileListParams & { total: number }>({
     page: 1,
-    size: 10,
+    size: defaultAdminPageSize,
     total: 0,
     keyword: '',
     status: 'all',
@@ -311,7 +315,7 @@ export function useAdminFiles() {
     health: params.value.health || 'all',
     sortBy: params.value.sortBy || 'created_at',
     sortOrder: params.value.sortOrder || 'desc',
-    size: params.value.size || 10
+    size: params.value.size || defaultAdminPageSize
   })
 
   const buildBuiltInViewPreset = (
@@ -1204,8 +1208,7 @@ export function useAdminFiles() {
   }
 
   const handlePageSizeChange = async (size: number) => {
-    if (!Number.isFinite(size) || size < 1) return
-    params.value.size = Math.min(Math.trunc(size), 100)
+    params.value.size = normalizePresetSize(size)
     params.value.page = 1
     markViewPresetDirty()
     await loadFiles()