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/autolinker/dist/commonjs/parser/mention-utils.d.ts

@@ -0,0 +1,16 @@
+/**
+ * Determines if the given character can be part of a mention's text characters.
+ *
+ * Accepts characters that match the RegExp `/[-\w.]/`, which are the possible
+ * mention characters for any service.
+ *
+ * We'll confirm the match based on the user-configured service name after the
+ * match is found.
+ */
+export declare function isMentionTextChar(charCode: number): boolean;
+/**
+ * Determines if the given `mention` text is valid.
+ */
+export declare function isValidMention(mention: string, serviceName: MentionService): boolean;
+export type MentionService = 'twitter' | 'instagram' | 'soundcloud' | 'tiktok' | 'youtube';
+export declare const mentionServices: MentionService[];