Revert "Merge remote-tracking branch 'origin/pr/592'"

This reverts commit 3504875922, reversing
changes made to 5c3a1aecbe.

frontend/src/views/shared/Usage.vue

@@ -100,7 +100,6 @@
       :total-records="effectiveTotalRecords"
       :page-size-options="pageSizeOptions"
       :auto-refresh="globalAutoRefresh"
-      :display-now-ms="calibratedDisplayNowMs"
       @update:time-range="handleTimeRangeChange"
       @update:filter-search="handleFilterSearchChange"
       @update:filter-user="handleFilterUserChange"
@@ -149,7 +148,6 @@ import {
   IntervalTimelineCard
 } from '@/features/usage/components'
 import {
-  useActiveElapsedDisplayClock,
   useUsageData,
   getDateRangeFromPeriod
 } from '@/features/usage/composables'
@@ -248,10 +246,7 @@ const {
   availableModels,
   availableProviders,
   loadStats,
-  loadRecords,
-  serverClockOffsetMs,
-  hasServerClockOffset,
-  updateServerClockOffset
+  loadRecords
 } = useUsageData({ isAdminPage })
 
 // 热力图状态
@@ -439,7 +434,6 @@ const AUTO_REFRESH_INTERVAL = 1000 // 1秒刷新一次（用于活跃请求）
 const ACTIVE_DISCOVERY_HOT_INTERVAL = 1000 // 有活跃请求时 1 秒扫描一次
 const ACTIVE_DISCOVERY_IDLE_INTERVAL = 5000 // 空闲时降频，避免后台持续刷日志
 const GLOBAL_AUTO_REFRESH_INTERVAL = 3000 // 3秒刷新一次（全局自动刷新）
-const ACTIVE_ELAPSED_DISPLAY_INTERVAL = 250 // 共享显示时钟，避免每行单独动画
 const globalAutoRefresh = ref(false) // 全局自动刷新开关（默认关闭）
 const isPageVisible = ref(typeof document === 'undefined' ? true : !document.hidden)
 
@@ -451,14 +445,10 @@ const discoveredActiveRequestIds = new Set<string>()
 
 async function loadActiveRequestUpdates(ids?: string[]) {
   if (isAdminPage.value) {
-    const result = await usageApi.getActiveRequests(ids, timeRange.value)
-    updateServerClockOffset(result.server_timing)
-    return result
+    return usageApi.getActiveRequests(ids, timeRange.value)
   }
   const idsParam = ids?.length ? ids.join(',') : undefined
-  const result = await meApi.getActiveRequests(idsParam)
-  updateServerClockOffset(result.server_timing)
-  return result
+  return meApi.getActiveRequests(idsParam)
 }
 
 async function pollActiveRequests() {
@@ -724,10 +714,8 @@ function handleVisibilityChange() {
     stopAutoRefresh()
     stopActiveDiscovery()
     stopGlobalAutoRefresh()
-    stopActiveElapsedDisplayTimer()
     return
   }
-  syncActiveElapsedDisplayTimer()
   if (hasActiveRequests.value) {
     startAutoRefresh()
   }
@@ -744,7 +732,6 @@ onUnmounted(() => {
   stopAutoRefresh()
   stopActiveDiscovery()
   stopGlobalAutoRefresh()
-  stopActiveElapsedDisplayClock()
 })
 
 // 用户页面的前端分页（后端一次性返回所有记录，前端分页+筛选）
@@ -768,20 +755,6 @@ const effectiveTotalRecords = computed(() => {
 // 显示的记录
 const displayRecords = computed(() => paginatedRecords.value)
 
-const {
-  calibratedDisplayNowMs,
-  stopActiveElapsedDisplayTimer,
-  syncActiveElapsedDisplayTimer,
-  stopActiveElapsedDisplayClock,
-} = useActiveElapsedDisplayClock({
-  records: displayRecords,
-  isPageVisible,
-  serverClockOffsetMs,
-  hasServerClockOffset,
-  resolveStatus: resolveDisplayRequestStatus,
-  intervalMs: ACTIVE_ELAPSED_DISPLAY_INTERVAL,
-})
-
 const availableClientFamilies = computed(() => {
   const families = new Set<string>()
   currentRecords.value.forEach((record) => {