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/components/AdminTokenRow.vue

@@ -3,8 +3,7 @@
     <div class="form-field token-field">
       <label>管理 Token</label>
       <div class="token-input-wrap">
-        <input :value="token" @input="$emit('update:token', $event.target.value)" placeholder="粘贴 token 后自动加载…" />
-        <button class="ghost small" type="button" @click="$emit('auto-get')">自动获取</button>
+        <input :value="token" @input="$emit('update:token', $event.target.value)" placeholder="粘贴管理员令牌后自动加载…" />
       </div>
     </div>
     <p
@@ -28,7 +27,7 @@ defineProps({
   inlineMessage: { type: String, default: '' }
 })
 
-defineEmits(['update:token', 'auto-get'])
+defineEmits(['update:token'])
 </script>
 
 <style scoped>