feat(admin): 列表支持按系统筛选，用户列补语义标签

- 收藏/点赞/观看增加「全部系统 / Android / iOS」下拉
- 用户列第二行标注 UID，游客行标注设备，避免一串字母看不出含义

src/views/userManagement/FavoritesView.vue

@@ -9,8 +9,19 @@ import { pageFavoritesApi } from '@/api/admin/engagement'
 import { platformText } from './composables/useAppUsers'
 
 const PAGE_SIZES = [10, 20, 50]
+const PLATFORM_OPTIONS = [
+  { value: '', label: '全部系统' },
+  { value: 'ANDROID', label: 'Android' },
+  { value: 'IOS', label: 'iOS' }
+]
 
-const filters = reactive({ keyword: '', deviceId: '', dramaTitle: '', range: null })
+const filters = reactive({
+  keyword: '',
+  deviceId: '',
+  dramaTitle: '',
+  platform: '',
+  range: null
+})
 const rows = ref([])
 const total = ref(0)
 const loading = ref(false)
@@ -26,7 +37,7 @@ async function load() {
       keyword: filters.keyword.trim() || undefined,
       deviceId: filters.deviceId.trim() || undefined,
       dramaTitle: filters.dramaTitle.trim() || undefined,
-
+      platform: filters.platform || undefined,
       startTime: filters.range?.[0] || undefined,
       endTime: filters.range?.[1] || undefined
     })
@@ -43,7 +54,13 @@ function search() {
 }
 
 function resetFilters() {
-  Object.assign(filters, { keyword: '', deviceId: '', dramaTitle: '', range: null })
+  Object.assign(filters, {
+    keyword: '',
+    deviceId: '',
+    dramaTitle: '',
+    platform: '',
+    range: null
+  })
   search()
 }
 
@@ -84,6 +101,14 @@ onMounted(load)
         placeholder="短剧名称"
         @keyup.enter="search"
       />
+      <el-select v-model="filters.platform" class="console-select" placeholder="全部系统">
+        <el-option
+          v-for="item in PLATFORM_OPTIONS"
+          :key="item.value"
+          :label="item.label"
+          :value="item.value"
+        />
+      </el-select>
 
       <el-date-picker
         v-model="filters.range"