refactor: 重构项目结构，迁移后端至 mengyastore-backend-go，新增 Java 后端、前端功能更新及部署文档

mengyastore-frontend/src/modules/admin/AdminPage.vue

@@ -42,7 +42,6 @@
         v-model:token="token"
         :message="!token || message ? message : ''"
         :inline-message="token && message ? message : ''"
-        @auto-get="autoGetToken"
       />
 
       <!-- Section: Products -->
@@ -96,7 +95,6 @@ import { computed, onMounted, ref, watch } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
 import {
   fetchAdminProducts,
-  fetchAdminToken,
   createProduct,
   updateProduct,
   toggleProduct,
@@ -183,12 +181,6 @@ const refresh = async () => {
   }
 }
 
-const autoGetToken = async () => {
-  const fetched = await fetchAdminToken()
-  token.value = fetched
-  syncQuery()
-  await refresh()
-}
 
 const loadMaintenance = async () => {
   try {