feat: 强制安装APK（推送+pm install 绕过厂商弹窗）+ 定位设备（亮屏+大字定位页，结束定位关闭浏览器含后台）+ 一键亮屏/息屏（并发全部设备）

templates/admin/monitor.html

@@ -314,6 +314,8 @@ select.form-control{cursor:pointer}
     <button class="btn btn-danger" onclick="clearAllErrors()" title="清除所有异常/失败设备的错误状态（运行中/等待重试的跳过）" data-perm="devices">清除全部异常</button>
     <button class="btn" onclick="apiAction('/api/release')" data-perm="devices">强制释放占用</button>
     <button class="btn btn-primary" id="btn-scan-fg" onclick="scanForeground()" data-perm="devices">扫描前台App</button>
+    <button class="btn" onclick="screenAllDevices('on')" data-perm="devices" title="所有在线设备亮屏并解锁">一键亮屏</button>
+    <button class="btn" onclick="screenAllDevices('off')" data-perm="devices" title="所有在线设备息屏（运行中任务会中断）">一键息屏</button>
     <button class="btn" onclick="loadMonitor()">刷新</button>
     <input class="form-control list-search" id="search-devices" placeholder="搜索设备/型号/App/任务...">
     <span class="hint"><span id="fg-status"></span> · 每 5 秒自动刷新 · <span id="srvTime"></span> · <span id="sel-count">未选中</span></span>