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/components/descriptions/index.mjs

@@ -0,0 +1,11 @@
+import { withInstall, withNoopInstall } from "../../utils/vue/install.mjs";
+import { descriptionProps } from "./src/description.mjs";
+import description_default from "./src/description2.mjs";
+import DescriptionItem, { descriptionItemProps } from "./src/description-item.mjs";
+//#region ../../packages/components/descriptions/index.ts
+const ElDescriptions = withInstall(description_default, { DescriptionsItem: DescriptionItem });
+const ElDescriptionsItem = withNoopInstall(DescriptionItem);
+//#endregion
+export { ElDescriptions, ElDescriptions as default, ElDescriptionsItem, descriptionItemProps, descriptionProps };
+
+//# sourceMappingURL=index.mjs.map