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/element-plus/es/constants/date.mjs

@@ -0,0 +1,28 @@
+//#region ../../packages/constants/date.ts
+const datePickTypes = [
+	"year",
+	"years",
+	"month",
+	"months",
+	"date",
+	"dates",
+	"week",
+	"datetime",
+	"datetimerange",
+	"daterange",
+	"monthrange",
+	"yearrange"
+];
+const WEEK_DAYS = [
+	"sun",
+	"mon",
+	"tue",
+	"wed",
+	"thu",
+	"fri",
+	"sat"
+];
+//#endregion
+export { WEEK_DAYS, datePickTypes };
+
+//# sourceMappingURL=date.mjs.map