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-focus-controller/index.mjs

@@ -0,0 +1,47 @@
+import { isFocusable } from "../../utils/dom/aria.mjs";
+import { isFunction } from "../../utils/types.mjs";
+import { useEventListener } from "@vueuse/core";
+import { getCurrentInstance, ref, shallowRef, unref, watch } from "vue";
+//#region ../../packages/hooks/use-focus-controller/index.ts
+function useFocusController(target, { disabled, beforeFocus, afterFocus, beforeBlur, afterBlur } = {}) {
+	const { emit } = getCurrentInstance();
+	const wrapperRef = shallowRef();
+	const isFocused = ref(false);
+	const handleFocus = (event) => {
+		const cancelFocus = isFunction(beforeFocus) ? beforeFocus(event) : false;
+		if (unref(disabled) || isFocused.value || cancelFocus) return;
+		isFocused.value = true;
+		emit("focus", event);
+		afterFocus?.();
+	};
+	const handleBlur = (event) => {
+		const cancelBlur = isFunction(beforeBlur) ? beforeBlur(event) : false;
+		if (unref(disabled) || event.relatedTarget && wrapperRef.value?.contains(event.relatedTarget) || cancelBlur) return;
+		isFocused.value = false;
+		emit("blur", event);
+		afterBlur?.();
+	};
+	const handleClick = (event) => {
+		if (unref(disabled) || isFocusable(event.target) || wrapperRef.value?.contains(document.activeElement) && wrapperRef.value !== document.activeElement) return;
+		target.value?.focus();
+	};
+	watch([wrapperRef, () => unref(disabled)], ([el, disabled]) => {
+		if (!el) return;
+		if (disabled) el.removeAttribute("tabindex");
+		else el.setAttribute("tabindex", "-1");
+	});
+	useEventListener(wrapperRef, "focus", handleFocus, true);
+	useEventListener(wrapperRef, "blur", handleBlur, true);
+	useEventListener(wrapperRef, "click", handleClick, true);
+	return {
+		isFocused,
+		/** Avoid using wrapperRef and handleFocus/handleBlur together */
+		wrapperRef,
+		handleFocus,
+		handleBlur
+	};
+}
+//#endregion
+export { useFocusController };
+
+//# sourceMappingURL=index.mjs.map