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/axios/lib/platform/common/utils.js

@@ -0,0 +1,52 @@
+const hasBrowserEnv = typeof window !== 'undefined' && typeof document !== 'undefined';
+
+const _navigator = (typeof navigator === 'object' && navigator) || undefined;
+
+/**
+ * Determine if we're running in a standard browser environment
+ *
+ * This allows axios to run in a web worker, and react-native.
+ * Both environments support XMLHttpRequest, but not fully standard globals.
+ *
+ * web workers:
+ *  typeof window -> undefined
+ *  typeof document -> undefined
+ *
+ * react-native:
+ *  navigator.product -> 'ReactNative'
+ * nativescript
+ *  navigator.product -> 'NativeScript' or 'NS'
+ *
+ * @returns {boolean}
+ */
+const hasStandardBrowserEnv =
+  hasBrowserEnv &&
+  (!_navigator || ['ReactNative', 'NativeScript', 'NS'].indexOf(_navigator.product) < 0);
+
+/**
+ * Determine if we're running in a standard browser webWorker environment
+ *
+ * Although the `isStandardBrowserEnv` method indicates that
+ * `allows axios to run in a web worker`, the WebWorker will still be
+ * filtered out due to its judgment standard
+ * `typeof window !== 'undefined' && typeof document !== 'undefined'`.
+ * This leads to a problem when axios post `FormData` in webWorker
+ */
+const hasStandardBrowserWebWorkerEnv = (() => {
+  return (
+    typeof WorkerGlobalScope !== 'undefined' &&
+    // eslint-disable-next-line no-undef
+    self instanceof WorkerGlobalScope &&
+    typeof self.importScripts === 'function'
+  );
+})();
+
+const origin = (hasBrowserEnv && window.location.href) || 'http://localhost';
+
+export {
+  hasBrowserEnv,
+  hasStandardBrowserWebWorkerEnv,
+  hasStandardBrowserEnv,
+  _navigator as navigator,
+  origin,
+};