feat(device): 新增设备已安装应用管理功能

为设备详情页添加应用信息标签页，支持查看已安装应用列表、打开/清除/卸载应用，以及上传应用图标等操作。

src/components/DeviceSn/DeviceSnDetail.vue

@@ -452,7 +452,75 @@
       <!-- 扩展标签页（应用信息 / 策略信息 / 合规状态 / 操作日志 / 定位信息） -->
       <el-tab-pane label="应用信息" name="appInfo">
         <div class="tab-content">
-          <el-empty description="应用信息加载中..." />
+          <div class="apk-toolbar">
+            <el-button
+              type="primary"
+              plain
+              size="small"
+              :loading="loading.apk"
+              @click="loadApkInfo(props.serialno)"
+            >
+              <el-icon><Refresh /></el-icon>
+              刷新应用列表
+            </el-button>
+          </div>
+          <el-table v-loading="loading.apk" :data="apkList" border stripe empty-text="暂无应用信息">
+            <el-table-column label="图标" width="70" align="center">
+              <template #default="{ row }">
+                <el-image
+                  :src="row.iconUrl"
+                  fit="cover"
+                  class="apk-icon"
+                  :preview-src-list="row.iconUrl ? [row.iconUrl] : []"
+                  preview-teleported
+                >
+                  <template #error>
+                    <div class="apk-icon-placeholder">无</div>
+                  </template>
+                </el-image>
+              </template>
+            </el-table-column>
+            <el-table-column
+              prop="appName"
+              label="应用名称"
+              min-width="160"
+              show-overflow-tooltip
+            />
+            <el-table-column
+              prop="packageName"
+              label="包名"
+              min-width="220"
+              show-overflow-tooltip
+            />
+            <el-table-column prop="versionName" label="版本" width="100" show-overflow-tooltip />
+            <el-table-column label="大小" width="110">
+              <template #default="{ row }">{{ formatSize(row.apkSize) }}</template>
+            </el-table-column>
+            <el-table-column label="系统应用" width="90" align="center">
+              <template #default="{ row }">
+                <el-tag v-if="row.systemApp" type="info" size="small">系统</el-tag>
+                <el-tag v-else type="success" size="small">普通</el-tag>
+              </template>
+            </el-table-column>
+            <el-table-column label="安装时间" width="170">
+              <template #default="{ row }">{{ formatDate(row.installTime) }}</template>
+            </el-table-column>
+            <el-table-column label="操作" width="300" fixed="right">
+              <template #default="{ row }">
+                <el-button link type="primary" @click="handleLaunchApp(row)">打开</el-button>
+                <el-button link type="warning" @click="handleClearAppData(row)">清除数据</el-button>
+                <el-button link type="info" @click="handleUploadIcon(row)">上传图标</el-button>
+                <el-button link type="danger" @click="handleUninstallApp(row)">卸载</el-button>
+              </template>
+            </el-table-column>
+          </el-table>
+          <input
+            ref="iconFileInput"
+            type="file"
+            accept="image/jpeg,image/png,image/webp"
+            style="display: none"
+            @change="onIconFileChange"
+          />
         </div>
       </el-tab-pane>
 
@@ -486,6 +554,7 @@
 <script setup lang="ts">
 import DeviceAPI from "@/api/system/device";
 import type {
+  ApkInstallInfo,
   DeviceBasicInfo,
   DeviceHardwareInfo,
   DeviceNetworkInfo,
@@ -527,6 +596,9 @@ watch(
   () => props.serialno,
   (newSerialno) => {
     if (newSerialno) {
+      // 切换设备时重置应用信息懒加载状态
+      apkLoaded.value = false;
+      apkList.value = [];
       loadAll(newSerialno);
     }
   },
@@ -570,8 +642,14 @@ const loading = reactive({
   network: false,
   security: false,
   other: false,
+  apk: false,
 });
 
+/** 设备已安装应用列表 */
+const apkList = ref<ApkInstallInfo[]>([]);
+/** 应用信息是否已加载（懒加载，仅首次进入 tab 时拉取） */
+const apkLoaded = ref(false);
+
 /** 空值统一显示占位符 */
 function formatText(value?: string | number | null): string {
   return value === undefined || value === null || value === "" ? "-" : String(value);
@@ -583,6 +661,28 @@ function formatBool(value?: number | null): string {
   return value === 1 ? "是" : "否";
 }
 
+/** 字节数转可读大小 */
+function formatSize(bytes?: number): string {
+  if (bytes === undefined || bytes === null || bytes === 0) return "-";
+  const units = ["B", "KB", "MB", "GB", "TB"];
+  let size = bytes;
+  let unitIndex = 0;
+  while (size >= 1024 && unitIndex < units.length - 1) {
+    size /= 1024;
+    unitIndex++;
+  }
+  return `${size.toFixed(unitIndex === 0 ? 0 : 1)} ${units[unitIndex]}`;
+}
+
+/** 时间格式化 */
+function formatDate(value?: Date | string | null): string {
+  if (value === undefined || value === null || value === "") return "-";
+  const date = value instanceof Date ? value : new Date(value);
+  if (Number.isNaN(date.getTime())) return "-";
+  const pad = (n: number) => String(n).padStart(2, "0");
+  return `${date.getFullYear()}-${pad(date.getMonth() + 1)}-${pad(date.getDate())} ${pad(date.getHours())}:${pad(date.getMinutes())}:${pad(date.getSeconds())}`;
+}
+
 function assignTo<T extends object>(reactiveObj: T, data?: object) {
   Object.keys(reactiveObj as object).forEach(
     (key) => delete (reactiveObj as Record<string, unknown>)[key]
@@ -692,6 +792,106 @@ async function loadAll(serialno?: string) {
   loadOtherInfo(serialno);
 }
 
+/** 应用信息 */
+async function loadApkInfo(serialno: string) {
+  loading.apk = true;
+  try {
+    const data = await DeviceAPI.getApkList(serialno);
+    apkList.value = data || [];
+    apkLoaded.value = true;
+  } catch (e) {
+    console.error("加载应用信息失败", e);
+  } finally {
+    loading.apk = false;
+  }
+}
+
+/** 切换标签页懒加载应用信息（仅首次进入时拉取） */
+watch(activeTab, (tab) => {
+  if (tab === "appInfo" && props.serialno && !apkLoaded.value) {
+    loadApkInfo(props.serialno);
+  }
+});
+
+/** 打开应用 */
+const handleLaunchApp = (row: ApkInstallInfo) => {
+  ElMessageBox.confirm(`确定要打开应用「${row.appName || row.packageName}」吗？`, "提示", {
+    confirmButtonText: "确定",
+    cancelButtonText: "取消",
+    type: "warning",
+  })
+    .then(() => {
+      DeviceAPI.launchApp(props.serialno, row.packageName ?? "").then(() => {
+        ElMessage.success("打开应用指令已发送");
+      });
+    })
+    .catch(() => {});
+};
+
+/** 清除应用数据 */
+const handleClearAppData = (row: ApkInstallInfo) => {
+  ElMessageBox.confirm(
+    `确定要清除应用「${row.appName || row.packageName}」的数据吗？此操作不可逆！`,
+    "警告",
+    {
+      confirmButtonText: "确定",
+      cancelButtonText: "取消",
+      type: "warning",
+    }
+  )
+    .then(() => {
+      DeviceAPI.clearAppData(props.serialno, row.packageName ?? "").then(() => {
+        ElMessage.success("清除应用数据指令已发送");
+      });
+    })
+    .catch(() => {});
+};
+
+/** 卸载应用 */
+const handleUninstallApp = (row: ApkInstallInfo) => {
+  ElMessageBox.confirm(
+    `确定要卸载应用「${row.appName || row.packageName}」吗？此操作不可逆！`,
+    "警告",
+    {
+      confirmButtonText: "确定",
+      cancelButtonText: "取消",
+      type: "error",
+    }
+  )
+    .then(() => {
+      DeviceAPI.uninstallApp(props.serialno, row.packageName ?? "").then(() => {
+        ElMessage.success("卸载应用指令已发送");
+      });
+    })
+    .catch(() => {});
+};
+
+/** 图标文件输入框 */
+const iconFileInput = ref<HTMLInputElement>();
+/** 当前准备上传图标的应用 */
+let uploadIconTarget: ApkInstallInfo | null = null;
+
+/** 上传图标：点击触发文件选择 */
+const handleUploadIcon = (row: ApkInstallInfo) => {
+  uploadIconTarget = row;
+  iconFileInput.value?.click();
+};
+
+/** 选择图标文件后上传 */
+const onIconFileChange = (event: Event) => {
+  const input = event.target as HTMLInputElement;
+  const file = input.files?.[0];
+  input.value = "";
+  if (!file || !uploadIconTarget) return;
+  const row = uploadIconTarget;
+  DeviceAPI.uploadAppIcon(row.packageName ?? "", file)
+    .then(() => {
+      ElMessage.success("图标上传成功");
+      loadApkInfo(props.serialno);
+    })
+    .catch(() => {});
+};
+
 defineExpose({ loadAll });
 
 /** 操作按钮事件 */
@@ -704,9 +904,11 @@ const handleEdit = () => {
 };
 
 const handleRefresh = () => {
-  loadAll(props.serialno).then(() => {
-    ElMessage.success("刷新数据成功");
-  });
+  loadAll(props.serialno);
+  if (apkLoaded.value && props.serialno) {
+    loadApkInfo(props.serialno);
+  }
+  ElMessage.success("刷新数据成功");
 };
 
 const handleRemoteLock = () => {
@@ -931,6 +1133,32 @@ const handleMoreActions = (command: string) => {
 
     .tab-content {
       min-height: 120px;
+
+      .apk-toolbar {
+        display: flex;
+        justify-content: flex-end;
+        margin-bottom: 12px;
+      }
+
+      .apk-icon {
+        width: 36px;
+        height: 36px;
+        vertical-align: middle;
+        border-radius: 6px;
+      }
+
+      .apk-icon-placeholder {
+        display: flex;
+        align-items: center;
+        justify-content: center;
+        width: 36px;
+        height: 36px;
+        margin: 0 auto;
+        font-size: 12px;
+        color: #c0c4cc;
+        background: #f5f7fa;
+        border-radius: 6px;
+      }
     }
   }
 }