feat(device): 引导检查附近设备权限，点击拉起系统授权设置

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

miniprogram/pages/connectedDevice/connectedDevice.less

@@ -106,26 +106,30 @@
 		background-color: #1385FA;
 	}
 
-	// .help {
-	// 	width: 100%;
-	// 	height: 30rpx;
-	// 	text-align: center;
-	// 	line-height: 30rpx;
-	// 	margin-bottom: 60rpx;
+	.help {
+		width: 100%;
+		height: 30rpx;
+		display: flex;
+		flex-wrap: nowrap;
+		justify-content: center;
+		align-items: center;
+		margin-bottom: 60rpx;
 
-	// 	.help-text {
-	// 		color: #808080;
-	// 		font-size: 30rpx;
-	// 		line-height: 30rpx;
-	// 		margin-right: 8rpx;
-	// 	}
+		.help-text {
+			height: 30rpx;
+			font-size: 30rpx;
+			line-height: 30rpx;
+			color: #808080;
+			margin-right: 8rpx;
+		}
 
-	// 	.help-link {
-	// 		color: #1385FA;
-	// 		font-size: 30rpx;
-	// 		line-height: 30rpx;
-	// 	}
-	// }
+		.help-link {
+			height: 30rpx;
+			font-size: 30rpx;
+			line-height: 30rpx;
+			color: #1385FA;
+		}
+	}
 
 	.search-device {
 		width: 100%;

miniprogram/pages/connectedDevice/connectedDevice.ts

@@ -88,7 +88,7 @@ Page({
     },
 
     onOpenHelp() {
-        wx.showToast({ title: '请确保设备已开机且在附近', icon: 'none' })
+        wx.openAppAuthorizeSetting()
     },
 
     /** 将所有卡片置为未连接 */

miniprogram/pages/connectedDevice/connectedDevice.wxml

@@ -24,10 +24,10 @@
 	</view>
 
 	<!-- 帮助文案 -->
-	<!-- <view class="help">
-		<text class="help-text">无法配对设备?</text>
-		<text class="help-link" bind:tap="onOpenHelp">查看帮助</text>
-	</view> -->
+	<view class="help">
+		<view class="help-text">找不到设备？</view>
+		<view class="help-link" bind:tap="onOpenHelp">检查附近设备权限</view>
+	</view>
 
 	<!-- 搜索结果模块:found / empty 时整体显示 -->
     <block wx:if="{{ status === 'found' || status === 'empty' }}">