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/components/space/index.js

@@ -0,0 +1,18 @@
+Object.defineProperties(exports, {
+	__esModule: { value: true },
+	[Symbol.toStringTag]: { value: "Module" }
+});
+const require_install = require("../../utils/vue/install.js");
+const require_item = require("./src/item.js");
+const require_use_space = require("./src/use-space.js");
+const require_space = require("./src/space.js");
+//#region ../../packages/components/space/index.ts
+const ElSpace = require_install.withInstall(require_space.default);
+//#endregion
+exports.ElSpace = ElSpace;
+exports.default = ElSpace;
+exports.spaceItemProps = require_item.spaceItemProps;
+exports.spaceProps = require_space.spaceProps;
+exports.useSpace = require_use_space.useSpace;
+
+//# sourceMappingURL=index.js.map