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/menu/index.js

@@ -0,0 +1,37 @@
+Object.defineProperties(exports, {
+	__esModule: { value: true },
+	[Symbol.toStringTag]: { value: "Module" }
+});
+const require_install = require("../../utils/vue/install.js");
+const require_tokens = require("./src/tokens.js");
+const require_sub_menu = require("./src/sub-menu.js");
+const require_menu = require("./src/menu.js");
+const require_menu_item = require("./src/menu-item.js");
+const require_menu_item$1 = require("./src/menu-item2.js");
+const require_menu_item_group = require("./src/menu-item-group.js");
+const require_menu_item_group$1 = require("./src/menu-item-group2.js");
+//#region ../../packages/components/menu/index.ts
+const ElMenu = require_install.withInstall(require_menu.default, {
+	MenuItem: require_menu_item$1.default,
+	MenuItemGroup: require_menu_item_group$1.default,
+	SubMenu: require_sub_menu.default
+});
+const ElMenuItem = require_install.withNoopInstall(require_menu_item$1.default);
+const ElMenuItemGroup = require_install.withNoopInstall(require_menu_item_group$1.default);
+const ElSubMenu = require_install.withNoopInstall(require_sub_menu.default);
+//#endregion
+exports.ElMenu = ElMenu;
+exports.default = ElMenu;
+exports.ElMenuItem = ElMenuItem;
+exports.ElMenuItemGroup = ElMenuItemGroup;
+exports.ElSubMenu = ElSubMenu;
+exports.MENU_INJECTION_KEY = require_tokens.MENU_INJECTION_KEY;
+exports.SUB_MENU_INJECTION_KEY = require_tokens.SUB_MENU_INJECTION_KEY;
+exports.menuEmits = require_menu.menuEmits;
+exports.menuItemEmits = require_menu_item.menuItemEmits;
+exports.menuItemGroupProps = require_menu_item_group.menuItemGroupProps;
+exports.menuItemProps = require_menu_item.menuItemProps;
+exports.menuProps = require_menu.menuProps;
+exports.subMenuProps = require_sub_menu.subMenuProps;
+
+//# sourceMappingURL=index.js.map