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/zrender/lib/animation/easing.d.ts

@@ -0,0 +1,36 @@
+declare type easingFunc = (percent: number) => number;
+export declare type AnimationEasing = keyof typeof easingFuncs | easingFunc;
+declare const easingFuncs: {
+    linear(k: number): number;
+    quadraticIn(k: number): number;
+    quadraticOut(k: number): number;
+    quadraticInOut(k: number): number;
+    cubicIn(k: number): number;
+    cubicOut(k: number): number;
+    cubicInOut(k: number): number;
+    quarticIn(k: number): number;
+    quarticOut(k: number): number;
+    quarticInOut(k: number): number;
+    quinticIn(k: number): number;
+    quinticOut(k: number): number;
+    quinticInOut(k: number): number;
+    sinusoidalIn(k: number): number;
+    sinusoidalOut(k: number): number;
+    sinusoidalInOut(k: number): number;
+    exponentialIn(k: number): number;
+    exponentialOut(k: number): number;
+    exponentialInOut(k: number): number;
+    circularIn(k: number): number;
+    circularOut(k: number): number;
+    circularInOut(k: number): number;
+    elasticIn(k: number): number;
+    elasticOut(k: number): number;
+    elasticInOut(k: number): number;
+    backIn(k: number): number;
+    backOut(k: number): number;
+    backInOut(k: number): number;
+    bounceIn(k: number): number;
+    bounceOut(k: number): number;
+    bounceInOut(k: number): number;
+};
+export default easingFuncs;