feat(admin): 统一用户单元格，展示游客设备号与客户端系统

- 新增 AppUserCell，游客显示标签+deviceId，第二行统一展示系统与机型
- 收藏、点赞、观看记录三页复用，观看记录去掉重复的系统列

src/views/userManagement/FavoritesView.vue

@@ -4,6 +4,7 @@
 import { onMounted, reactive, ref } from 'vue'
 import dayjs from 'dayjs'
 import PageHeading from '@/views/components/PageHeading.vue'
+import AppUserCell from '@/views/components/AppUserCell.vue'
 import { pageFavoritesApi } from '@/api/admin/engagement'
 
 const PAGE_SIZES = [10, 20, 50]
@@ -104,20 +105,9 @@ onMounted(load)
       class="drama-el-table"
       empty-text="暂无收藏"
     >
-      <el-table-column label="用户" min-width="180">
+      <el-table-column label="用户" min-width="200">
         <template #default="{ row }">
-          <div class="app-user-meta">
-            <template v-if="row.userId == null">
-              <el-tag type="info" size="small">游客</el-tag>
-              <span class="app-user-uid engagement-device-id" :title="row.deviceId || ''">{{
-                row.deviceId || '—'
-              }}</span>
-            </template>
-            <template v-else>
-              <span class="app-user-name">{{ row.nickname || '未设置昵称' }}</span>
-              <span class="app-user-uid">{{ row.uid || `用户 #${row.userId}` }}</span>
-            </template>
-          </div>
+          <AppUserCell :row="row" />
         </template>
       </el-table-column>
       <el-table-column label="短剧" min-width="220">
@@ -156,13 +146,6 @@ onMounted(load)
 </template>
 
 <style scoped>
-.engagement-device-id {
-  max-width: 150px;
-  overflow: hidden;
-  text-overflow: ellipsis;
-  white-space: nowrap;
-}
-
 .engagement-range {
   width: 360px;
   max-width: 100%;

src/views/userManagement/LikesView.vue

@@ -4,6 +4,7 @@
 import { onMounted, reactive, ref } from 'vue'
 import dayjs from 'dayjs'
 import PageHeading from '@/views/components/PageHeading.vue'
+import AppUserCell from '@/views/components/AppUserCell.vue'
 import { pageLikesApi } from '@/api/admin/engagement'
 
 const PAGE_SIZES = [10, 20, 50]
@@ -127,20 +128,9 @@ onMounted(load)
       class="drama-el-table"
       empty-text="暂无点赞"
     >
-      <el-table-column label="用户" min-width="180">
+      <el-table-column label="用户" min-width="200">
         <template #default="{ row }">
-          <div class="app-user-meta">
-            <template v-if="row.userId == null">
-              <el-tag type="info" size="small">游客</el-tag>
-              <span class="app-user-uid engagement-device-id" :title="row.deviceId || ''">{{
-                row.deviceId || '—'
-              }}</span>
-            </template>
-            <template v-else>
-              <span class="app-user-name">{{ row.nickname || '未设置昵称' }}</span>
-              <span class="app-user-uid">{{ row.uid || `用户 #${row.userId}` }}</span>
-            </template>
-          </div>
+          <AppUserCell :row="row" />
         </template>
       </el-table-column>
       <el-table-column label="目标类型" width="110">
@@ -172,13 +162,6 @@ onMounted(load)
 </template>
 
 <style scoped>
-.engagement-device-id {
-  max-width: 150px;
-  overflow: hidden;
-  text-overflow: ellipsis;
-  white-space: nowrap;
-}
-
 .engagement-range {
   width: 360px;
   max-width: 100%;

src/views/userManagement/WatchHistoryView.vue

@@ -3,8 +3,9 @@
 <script setup>
 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, systemText } from './composables/useAppUsers'
+import { formatDuration } from './composables/useAppUsers'
 
 const SOURCE_OPTIONS = [
   { value: '', label: '全部' },
@@ -168,17 +169,11 @@ onMounted(load)
       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="用户" min-width="180">
+      <el-table-column label="用户" min-width="200">
         <template #default="{ row }">
-          <div class="app-user-meta">
-            <span class="app-user-name">{{ row.nickname || '未设置昵称' }}</span>
-            <span class="app-user-uid">{{ row.uid || `用户 #${row.userId || '—'}` }}</span>
-          </div>
+          <AppUserCell :row="row" />
         </template>
       </el-table-column>
-      <el-table-column label="系统" width="130" show-overflow-tooltip>
-        <template #default="{ row }">{{ systemText(row) }}</template>
-      </el-table-column>
       <el-table-column label="短剧" min-width="190">
         <template #default="{ row }">
           <el-tooltip :content="contentTooltip(row)" placement="top">