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/_baseInvoke.js

@@ -0,0 +1,24 @@
+var apply = require('./_apply'),
+    castPath = require('./_castPath'),
+    last = require('./last'),
+    parent = require('./_parent'),
+    toKey = require('./_toKey');
+
+/**
+ * The base implementation of `_.invoke` without support for individual
+ * method arguments.
+ *
+ * @private
+ * @param {Object} object The object to query.
+ * @param {Array|string} path The path of the method to invoke.
+ * @param {Array} args The arguments to invoke the method with.
+ * @returns {*} Returns the result of the invoked method.
+ */
+function baseInvoke(object, path, args) {
+  path = castPath(path, object);
+  object = parent(object, path);
+  var func = object == null ? object : object[toKey(last(path))];
+  return func == null ? undefined : apply(func, object, args);
+}
+
+module.exports = baseInvoke;