fix(admin): 观看时间统一格式化为 yyyy-MM-dd HH:mm:ss

后端改输出格式后仍保留前端兜底，同时修掉用户详情里的原始 ISO 展示。

src/views/userManagement/AppUsersView.vue

@@ -9,6 +9,7 @@ import { useRbac } from '@/stores/rbac'
 import {
   APP_USER_STATUS,
   COUNTRY_OPTIONS,
+  formatDateTime,
   formatDuration,
   statusMeta,
   systemText,
@@ -312,7 +313,9 @@ function canBeBanned(row) {
                 SOURCE_TEXT[row.source] || row.source || '—'
               }}</template>
             </el-table-column>
-            <el-table-column prop="watchedAt" label="时间" width="160" show-overflow-tooltip />
+            <el-table-column label="时间" width="160">
+              <template #default="{ row }">{{ formatDateTime(row.watchedAt) }}</template>
+            </el-table-column>
           </el-table>
         </div>
 

src/views/userManagement/WatchHistoryView.vue

@@ -5,7 +5,7 @@ import { onMounted, reactive, ref } from 'vue'
 import PageHeading from '@/views/components/PageHeading.vue'
 import AppUserCell from '@/views/components/AppUserCell.vue'
 import { pageWatchHistoryApi } from '@/api/admin/appUser'
-import { formatDuration, platformText } from './composables/useAppUsers'
+import { formatDateTime, formatDuration, platformText } from './composables/useAppUsers'
 
 const SOURCE_OPTIONS = [
   { value: '', label: '全部' },
@@ -190,7 +190,9 @@ onMounted(load)
       class="drama-el-table"
       empty-text="暂无符合条件的观看记录"
     >
-      <el-table-column prop="watchedAt" label="观看时间" min-width="170" show-overflow-tooltip />
+      <el-table-column label="观看时间" min-width="170">
+        <template #default="{ row }">{{ formatDateTime(row.watchedAt) }}</template>
+      </el-table-column>
       <el-table-column label="用户" min-width="200">
         <template #default="{ row }">
           <AppUserCell :row="row" />

src/views/userManagement/composables/useAppUsers.js

@@ -1,6 +1,7 @@
 // Author: fruit.com.cn
 
 import { onMounted, reactive, ref } from 'vue'
+import dayjs from 'dayjs'
 import { ElMessage, ElMessageBox } from 'element-plus'
 import {
   getAppUserApi,
@@ -50,6 +51,11 @@ export function systemText(row) {
   return text || '—'
 }
 
+/** 后端返回 ISO 时间串，统一格式化成后台可读的本地时间 */
+export function formatDateTime(value) {
+  return value && dayjs(value).isValid() ? dayjs(value).format('YYYY-MM-DD HH:mm:ss') : '—'
+}
+
 /** 毫秒转 mm:ss，观看流水里的进度用 */
 export function formatDuration(ms) {
   const total = Math.max(0, Math.floor((ms || 0) / 1000))