feat: 实现供水运营专题大屏BI可视化

- 新增OperationDashboard.vue全屏大屏组件
- 添加6个核心KPI指标卡片: 进水总量/出水总量/产销差率/营收额/平均水质/报警次数
- 实现6个ECharts图表: 供水趋势/水质分布/报警统计/管网空间/设备状态/营收分析
- 创建静态HTML版本operation-dashboard.html，使用CDN加载Vue3/ECharts/Element Plus
- 更新路由配置，添加/operation路径支持
- 修复nextTick导入问题，优化build脚本

🚧 开发者: bot_dev1
📝 任务: #38 [BI] 运营仪表盘 + 供水专题大屏

frontend/node_modules/lodash/_lazyClone.js

@@ -0,0 +1,23 @@
+var LazyWrapper = require('./_LazyWrapper'),
+    copyArray = require('./_copyArray');
+
+/**
+ * Creates a clone of the lazy wrapper object.
+ *
+ * @private
+ * @name clone
+ * @memberOf LazyWrapper
+ * @returns {Object} Returns the cloned `LazyWrapper` object.
+ */
+function lazyClone() {
+  var result = new LazyWrapper(this.__wrapped__);
+  result.__actions__ = copyArray(this.__actions__);
+  result.__dir__ = this.__dir__;
+  result.__filtered__ = this.__filtered__;
+  result.__iteratees__ = copyArray(this.__iteratees__);
+  result.__takeCount__ = this.__takeCount__;
+  result.__views__ = copyArray(this.__views__);
+  return result;
+}
+
+module.exports = lazyClone;