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>

store/index.js

@@ -1,39 +1,34 @@
-import Vue from "vue";
-import Vuex from "vuex";
-import storage from "@/utils/storage";
+import { createStore } from 'vuex'
+import storage from '@/utils/storage'
 
-Vue.use(Vuex);
-
-const store = new Vuex.Store({
+const store = createStore({
   state: {
-    isShowToast:false, // 是否在展示Toast中
-    remark:[], //填写订单备注
-    shareLink:"", //分享链接
-    verificationKey: "", //获取key表示验证通过
-    distributionId:"", //分销员Id 如果当前账户从未登录过时记录
+    isShowToast: false,
+    remark: [],
+    shareLink: '',
+    verificationKey: '',
+    distributionId: '',
     hasLogin: storage.getHasLogin(),
     userInfo: storage.getUserInfo(),
     uuid: storage.getUuid(),
-    token: "",
+    token: ''
   },
   mutations: {
     login(state, userInfo) {
-      state.userInfo = userInfo || {};
+      state.userInfo = userInfo || {}
       state.userName =
-        userInfo.Name || userInfo.Nickname || userInfo.Username || "匿名用户";
-      state.hasLogin = true;
+        userInfo.Name || userInfo.Nickname || userInfo.Username || '匿名用户'
+      state.hasLogin = true
     },
     logout(state) {
-      state.userName = "";
-      state.hasLogin = false;
+      state.userName = ''
+      state.hasLogin = false
     },
-
-    // 设置填写订单中备注
     setRemark(state, remark) {
-      state.remark = remark;
+      state.remark = remark
     }
   },
-  actions: {},
-});
+  actions: {}
+})
 
-export default store;
+export default store