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-calc-input-width/index.mjs

@@ -0,0 +1,22 @@
+import "../../constants/form.mjs";
+import { useResizeObserver } from "@vueuse/core";
+import { computed, ref, shallowRef } from "vue";
+//#region ../../packages/hooks/use-calc-input-width/index.ts
+function useCalcInputWidth() {
+	const calculatorRef = shallowRef();
+	const calculatorWidth = ref(0);
+	const inputStyle = computed(() => ({ minWidth: `${Math.max(calculatorWidth.value, 11)}px` }));
+	const resetCalculatorWidth = () => {
+		calculatorWidth.value = calculatorRef.value?.getBoundingClientRect().width ?? 0;
+	};
+	useResizeObserver(calculatorRef, resetCalculatorWidth);
+	return {
+		calculatorRef,
+		calculatorWidth,
+		inputStyle
+	};
+}
+//#endregion
+export { useCalcInputWidth };
+
+//# sourceMappingURL=index.mjs.map