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/lib/plugin.js

@@ -0,0 +1,23 @@
+Object.defineProperties(exports, {
+	__esModule: { value: true },
+	[Symbol.toStringTag]: { value: "Module" }
+});
+const require_index = require("./components/infinite-scroll/index.js");
+const require_index$1 = require("./components/loading/index.js");
+const require_index$2 = require("./components/message/index.js");
+const require_index$3 = require("./components/message-box/index.js");
+const require_index$4 = require("./components/notification/index.js");
+const require_index$5 = require("./components/popover/index.js");
+//#region ../../packages/element-plus/plugin.ts
+var plugin_default = [
+	require_index.ElInfiniteScroll,
+	require_index$1.ElLoading,
+	require_index$2.ElMessage,
+	require_index$3.ElMessageBox,
+	require_index$4.ElNotification,
+	require_index$5.ElPopoverDirective
+];
+//#endregion
+exports.default = plugin_default;
+
+//# sourceMappingURL=plugin.js.map