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/engine/Source/Scene/Cesium3DTileRefine.js

@@ -0,0 +1,34 @@
+// @ts-check
+
+/**
+ * The refinement approach for a tile.
+ * <p>
+ * See the {@link https://github.com/CesiumGS/3d-tiles/tree/main/specification#refinement|Refinement}
+ * in the 3D Tiles spec.
+ * </p>
+ *
+ * @enum {number}
+ *
+ * @private
+ */
+const Cesium3DTileRefine = {
+  /**
+   * Render this tile and, if it doesn't meet the screen space error, also refine to its children.
+   *
+   * @type {number}
+   * @constant
+   */
+  ADD: 0,
+
+  /**
+   * Render this tile or, if it doesn't meet the screen space error, refine to its descendants instead.
+   *
+   * @type {number}
+   * @constant
+   */
+  REPLACE: 1,
+};
+
+Object.freeze(Cesium3DTileRefine);
+
+export default Cesium3DTileRefine;