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/BingMapsStyle.js

@@ -0,0 +1,98 @@
+// @ts-check
+
+/**
+ * The types of imagery provided by Bing Maps.
+ *
+ * @enum {number}
+ *
+ * @see BingMapsImageryProvider
+ */
+const BingMapsStyle = {
+  /**
+   * Aerial imagery.
+   *
+   * @type {string}
+   * @constant
+   */
+  AERIAL: "Aerial",
+
+  /**
+   * Aerial imagery with a road overlay.
+   *
+   * @type {string}
+   * @constant
+   * @deprecated See https://github.com/CesiumGS/cesium/issues/7128.
+   * Use `BingMapsStyle.AERIAL_WITH_LABELS_ON_DEMAND` instead
+   */
+  AERIAL_WITH_LABELS: "AerialWithLabels",
+
+  /**
+   * Aerial imagery with a road overlay.
+   *
+   * @type {string}
+   * @constant
+   */
+  AERIAL_WITH_LABELS_ON_DEMAND: "AerialWithLabelsOnDemand",
+
+  /**
+   * Roads without additional imagery.
+   *
+   * @type {string}
+   * @constant
+   * @deprecated See https://github.com/CesiumGS/cesium/issues/7128.
+   * Use `BingMapsStyle.ROAD_ON_DEMAND` instead
+   */
+  ROAD: "Road",
+
+  /**
+   * Roads without additional imagery.
+   *
+   * @type {string}
+   * @constant
+   */
+  ROAD_ON_DEMAND: "RoadOnDemand",
+
+  /**
+   * A dark version of the road maps.
+   *
+   * @type {string}
+   * @constant
+   */
+  CANVAS_DARK: "CanvasDark",
+
+  /**
+   * A lighter version of the road maps.
+   *
+   * @type {string}
+   * @constant
+   */
+  CANVAS_LIGHT: "CanvasLight",
+
+  /**
+   * A grayscale version of the road maps.
+   *
+   * @type {string}
+   * @constant
+   */
+  CANVAS_GRAY: "CanvasGray",
+
+  /**
+   * Ordnance Survey imagery. This imagery is visible only for the London, UK area.
+   *
+   * @type {string}
+   * @constant
+   */
+  ORDNANCE_SURVEY: "OrdnanceSurvey",
+
+  /**
+   * Collins Bart imagery.
+   *
+   * @type {string}
+   * @constant
+   */
+  COLLINS_BART: "CollinsBart",
+};
+
+Object.freeze(BingMapsStyle);
+
+export default BingMapsStyle;