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/lib/hooks/use-throttle-render/index.js

@@ -0,0 +1,36 @@
+Object.defineProperty(exports, Symbol.toStringTag, { value: "Module" });
+require("../../_virtual/_rolldown/runtime.js");
+const require_types = require("../../utils/types.js");
+let vue = require("vue");
+let _vue_shared = require("@vue/shared");
+//#region ../../packages/hooks/use-throttle-render/index.ts
+const useThrottleRender = (loading, throttle = 0) => {
+	if (throttle === 0) return loading;
+	const throttled = (0, vue.ref)((0, _vue_shared.isObject)(throttle) && Boolean(throttle.initVal));
+	let timeoutHandle = null;
+	const dispatchThrottling = (timer) => {
+		if (require_types.isUndefined(timer)) {
+			throttled.value = loading.value;
+			return;
+		}
+		if (timeoutHandle) clearTimeout(timeoutHandle);
+		timeoutHandle = setTimeout(() => {
+			throttled.value = loading.value;
+		}, timer);
+	};
+	const dispatcher = (type) => {
+		if (type === "leading") if (require_types.isNumber(throttle)) dispatchThrottling(throttle);
+		else dispatchThrottling(throttle.leading);
+		else if ((0, _vue_shared.isObject)(throttle)) dispatchThrottling(throttle.trailing);
+		else throttled.value = false;
+	};
+	(0, vue.onMounted)(() => dispatcher("leading"));
+	(0, vue.watch)(() => loading.value, (val) => {
+		dispatcher(val ? "leading" : "trailing");
+	});
+	return throttled;
+};
+//#endregion
+exports.useThrottleRender = useThrottleRender;
+
+//# sourceMappingURL=index.js.map