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/carousel/index.d.ts

@@ -0,0 +1,15 @@
+import { SFCWithInstall } from "../../utils/vue/typescript.js";
+import { CarouselEmits, CarouselProps, CarouselPropsPublic, carouselEmits, carouselProps } from "./src/carousel.js";
+import _default from "./src/carousel.vue.js";
+import { CarouselItemProps, CarouselItemPropsPublic, carouselItemProps } from "./src/carousel-item.js";
+import _default$1 from "./src/carousel-item.vue.js";
+import { CAROUSEL_ITEM_NAME, CarouselContext, CarouselItemContext, CarouselItemStates, carouselContextKey } from "./src/constants.js";
+import { CarouselInstance, CarouselItemInstance } from "./src/instance.js";
+
+//#region ../../packages/components/carousel/index.d.ts
+declare const ElCarousel: SFCWithInstall<typeof _default> & {
+  CarouselItem: typeof _default$1;
+};
+declare const ElCarouselItem: SFCWithInstall<typeof _default$1>;
+//#endregion
+export { CAROUSEL_ITEM_NAME, CarouselContext, CarouselEmits, type CarouselInstance, CarouselItemContext, type CarouselItemInstance, CarouselItemProps, CarouselItemPropsPublic, CarouselItemStates, CarouselProps, CarouselPropsPublic, ElCarousel, ElCarousel as default, ElCarouselItem, carouselContextKey, carouselEmits, carouselItemProps, carouselProps };