refactor: 移动端升级 Vue3 + uView Plus

将 lilishop-uniapp 从 Vue2/uView 1.6 迁移到 Vue3/uview-plus，优先支持 H5/微商城与微信小程序；移除 vendored uview-ui，改用 npm 依赖、Vuex4 与迁移脚本/补丁，并补充 VUE3_MIGRATION.md 回归清单。

Co-authored-by: Cursor <cursoragent@cursor.com>

pages/mine/msgTips/packageMsg/index.vue

@@ -6,13 +6,15 @@
 			<div class="bagbar">{{$u.timeFormat(row.send_time, 'yyyy-mm-dd')}}</div>
 		  </div>
 		  <u-card @click="goDetail(row.sn,row.logi_id,row.ship_no)" :title="title" title-color="#666666" title-size="24" sub-title-color="#666666" sub-title-size="24" :border="false" :sub-title=row.status>
-			<view class="msg-body" slot="body">
+			<template #body>
+			  <view class="msg-body">
 			  <image class="msgImg" :src="row.goods_img" mode=""></image>
 			  <view class="msgView">
 				<view>{{row.goodsName}}</view>
 				<view class="msgNum">订单号:{{row.sn}}</view>
 			  </view>
-			</view>
+			  </view>
+			</template>
 		  </u-card>
 		</view>
 	</block>	
@@ -99,7 +101,7 @@ export default {
   color: #fff;
   font-size: 24rpx;
   padding: 10rpx 20rpx;
-  background: $u-type-info-disabled;
+  background: $u-info-disabled;
 }
 .storeImg {
   width: 100%;

pages/mine/msgTips/sysMsg/index.vue

@@ -10,11 +10,11 @@
 		</div>
         <div class="msgMsg">{{$u.timeFormat(row.send_time, 'yyyy-mm-dd')}}</div>
         <u-card :title="title" :title-size="35" :border="false">
-          <view class slot="body">
+          <template #body>
             <view class="u-body-item u-flex u-row-between u-p-b-0">
               <view class="u-body-item-title u-line-2">{{row.content}}</view>
             </view>
-          </view>
+          </template>
         </u-card>
       </view>
     </block>