chore(admin): remove manual refresh buttons across pages

admin-frontend/src/pages/ReportPage.vue

@@ -276,10 +276,6 @@ async function refreshAll(options = {}) {
 
 let refreshTimer = null
 
-function manualRefresh() {
-  return refreshAll({ showLoading: true })
-}
-
 onMounted(() => {
   refreshAll({ showLoading: false })
   refreshTimer = setInterval(() => refreshAll({ showLoading: false }), 5000)
@@ -306,9 +302,6 @@ onUnmounted(() => {
           </div>
         </div>
 
-        <div class="hero-actions">
-          <el-button type="primary" :loading="loading" @click="manualRefresh">刷新数据</el-button>
-        </div>
       </div>
 
       <MetricGrid :items="overviewCards" :loading="loading" :min-width="165" />