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/@cesium/wasm-splats/README.md

@@ -0,0 +1,31 @@
+# wasm-splats
+
+[![wasm-splats CI](https://github.com/CesiumGS/cesium-wasm-utils/actions/workflows/wasm-splats-ci.yml/badge.svg)](https://github.com/CesiumGS/cesium-wasm-utils/actions/workflows/wasm-splats-ci.yml)
+[![npm](https://img.shields.io/npm/v/@cesium/wasm-splats)](https://www.npmjs.com/package/@cesium/wasm-splats)
+
+The `wasm-splats` package contains high-performance algorithms used in the rendering of Gaussian Splats in CesiumJS.
+
+## Getting Started
+
+Follow the instructions in the [cesium-wasm-utils README](./README.md) to clone the repository and install
+prerequisites.
+
+### Building
+
+To build the package, run:
+
+```sh
+wasm-pack build --release --target web --scope cesium
+```
+
+This will output a `pkg` directory containing the compiled WebAssembly module and JavaScript bindings.
+
+### Testing
+
+To run the unit and integration tests, run:
+
+```sh
+wasm-pack test --headless --chrome --firefox
+```
+
+In macOS, you can also add `--safari` to run the tests in Safari.