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-prop/index.d.ts

@@ -0,0 +1,6 @@
+import { ComputedRef } from "vue";
+
+//#region ../../packages/hooks/use-prop/index.d.ts
+declare const useProp: <T>(name: string) => ComputedRef<T | undefined>;
+//#endregion
+export { useProp };

frontend/node_modules/element-plus/es/hooks/use-prop/index.mjs

@@ -0,0 +1,10 @@
+import { computed, getCurrentInstance } from "vue";
+//#region ../../packages/hooks/use-prop/index.ts
+const useProp = (name) => {
+	const vm = getCurrentInstance();
+	return computed(() => (vm?.proxy?.$props)?.[name]);
+};
+//#endregion
+export { useProp };
+
+//# sourceMappingURL=index.mjs.map

frontend/node_modules/element-plus/es/hooks/use-prop/index.mjs.map

@@ -0,0 +1 @@
+{"version":3,"file":"index.mjs","names":[],"sources":["../../../../../packages/hooks/use-prop/index.ts"],"sourcesContent":["import { computed, getCurrentInstance } from 'vue'\n\nimport type { ComputedRef } from 'vue'\n\nexport const useProp = <T>(name: string): ComputedRef<T | undefined> => {\n  const vm = getCurrentInstance()\n  return computed(() => (vm?.proxy?.$props as any)?.[name])\n}\n"],"mappings":";;AAIA,MAAa,WAAc,SAA6C;CACtE,MAAM,KAAK,oBAAoB;CAC/B,OAAO,gBAAgB,IAAI,OAAO,UAAiB,MAAM"}