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/Shaders/SkyAtmosphereVS.glsl

@@ -0,0 +1,32 @@
+in vec4 position;
+
+out vec3 v_outerPositionWC;
+
+#ifndef PER_FRAGMENT_ATMOSPHERE
+out vec3 v_mieColor;
+out vec3 v_rayleighColor;
+out float v_opacity;
+out float v_translucent;
+#endif
+
+void main(void)
+{
+    vec4 positionWC = czm_model * position;
+    float lightEnum = u_radiiAndDynamicAtmosphereColor.z;
+    vec3 lightDirection = czm_getDynamicAtmosphereLightDirection(positionWC.xyz, lightEnum);
+
+    #ifndef PER_FRAGMENT_ATMOSPHERE
+        computeAtmosphereScattering(
+            positionWC.xyz,
+            lightDirection,
+            v_rayleighColor,
+            v_mieColor,
+            v_opacity,
+            v_translucent
+        );
+    #endif
+
+    v_outerPositionWC = positionWC.xyz;
+    vec4 positionEC = czm_modelView * position;
+    gl_Position = czm_projection * positionEC;
+}