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/aria.mjs

@@ -0,0 +1,22 @@
+//#region ../../packages/constants/aria.ts
+const EVENT_CODE = {
+	tab: "Tab",
+	enter: "Enter",
+	space: "Space",
+	left: "ArrowLeft",
+	up: "ArrowUp",
+	right: "ArrowRight",
+	down: "ArrowDown",
+	esc: "Escape",
+	delete: "Delete",
+	backspace: "Backspace",
+	numpadEnter: "NumpadEnter",
+	pageUp: "PageUp",
+	pageDown: "PageDown",
+	home: "Home",
+	end: "End"
+};
+//#endregion
+export { EVENT_CODE };
+
+//# sourceMappingURL=aria.mjs.map