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/dayjs/locale/tzm-latn.js

@@ -0,0 +1 @@
+!function(a,s){"object"==typeof exports&&"undefined"!=typeof module?module.exports=s(require("dayjs")):"function"==typeof define&&define.amd?define(["dayjs"],s):(a="undefined"!=typeof globalThis?globalThis:a||self).dayjs_locale_tzm_latn=s(a.dayjs)}(this,(function(a){"use strict";function s(a){return a&&"object"==typeof a&&"default"in a?a:{default:a}}var n=s(a),i={name:"tzm-latn",weekdays:"asamas_aynas_asinas_akras_akwas_asimwas_asiḍyas".split("_"),months:"innayr_brˤayrˤ_marˤsˤ_ibrir_mayyw_ywnyw_ywlywz_ɣwšt_šwtanbir_ktˤwbrˤ_nwwanbir_dwjnbir".split("_"),weekStart:6,weekdaysShort:"asamas_aynas_asinas_akras_akwas_asimwas_asiḍyas".split("_"),monthsShort:"innayr_brˤayrˤ_marˤsˤ_ibrir_mayyw_ywnyw_ywlywz_ɣwšt_šwtanbir_ktˤwbrˤ_nwwanbir_dwjnbir".split("_"),weekdaysMin:"asamas_aynas_asinas_akras_akwas_asimwas_asiḍyas".split("_"),ordinal:function(a){return a},formats:{LT:"HH:mm",LTS:"HH:mm:ss",L:"DD/MM/YYYY",LL:"D MMMM YYYY",LLL:"D MMMM YYYY HH:mm",LLLL:"dddd D MMMM YYYY HH:mm"},relativeTime:{future:"dadkh s yan %s",past:"yan %s",s:"imik",m:"minuḍ",mm:"%d minuḍ",h:"saɛa",hh:"%d tassaɛin",d:"ass",dd:"%d ossan",M:"ayowr",MM:"%d iyyirn",y:"asgas",yy:"%d isgasn"}};return n.default.locale(i,null,!0),i}));