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/element-plus/es/hooks/use-popper-container/index.mjs

@@ -0,0 +1,37 @@
+import { isClient } from "../../utils/browser.mjs";
+import { useGetDerivedNamespace } from "../use-namespace/index.mjs";
+import { useIdInjection } from "../use-id/index.mjs";
+import { computed, onBeforeMount } from "vue";
+//#region ../../packages/hooks/use-popper-container/index.ts
+const usePopperContainerId = () => {
+	const namespace = useGetDerivedNamespace();
+	const idInjection = useIdInjection();
+	const id = computed(() => {
+		return `${namespace.value}-popper-container-${idInjection.prefix}`;
+	});
+	return {
+		id,
+		selector: computed(() => `#${id.value}`)
+	};
+};
+const createContainer = (id) => {
+	const container = document.createElement("div");
+	container.id = id;
+	document.body.appendChild(container);
+	return container;
+};
+const usePopperContainer = () => {
+	const { id, selector } = usePopperContainerId();
+	onBeforeMount(() => {
+		if (!isClient) return;
+		if (!document.body.querySelector(selector.value)) createContainer(id.value);
+	});
+	return {
+		id,
+		selector
+	};
+};
+//#endregion
+export { usePopperContainer, usePopperContainerId };
+
+//# sourceMappingURL=index.mjs.map