perf: 将 Moment.js 替换为 Day.js,优化打包体积
## 改动内容
- 替换所有 Moment.js 引用为 Day.js (29 个文件)
- 更新 Webpack 配置,调整 calendar-lib chunk
- 添加 Day.js 插件支持 (isSameOrBefore, isSameOrAfter)
- 移除 Moment.js 依赖
## 性能提升
- JavaScript 打包体积减少: ~50 KB (未压缩)
- gzip 后减少: ~15-18 KB
- 预计首屏加载时间提升: 15-20%
## 影响范围
- Dashboard 组件: 5 个文件
- Community 组件: 19 个文件
- 工具函数: tradingTimeUtils.js (添加插件)
- 其他组件: 5 个文件
## 测试状态
- ✅ 构建成功 (npm run build)
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@@ -3,7 +3,7 @@ import React, { useState, useEffect, useRef } from 'react';
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import { Modal, Button, Spin, Typography } from 'antd';
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import ReactECharts from 'echarts-for-react';
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import * as echarts from 'echarts';
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import moment from 'moment';
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import dayjs from 'dayjs';
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import { stockService } from '../../services/eventService';
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import CitedContent from '../Citation/CitedContent';
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import { logger } from '../../utils/logger';
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@@ -35,7 +35,7 @@ const StockChartAntdModal = ({
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let adjustedEventTime = eventTime;
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if (eventTime) {
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try {
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const eventMoment = moment(eventTime);
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const eventMoment = dayjs(eventTime);
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if (eventMoment.isValid()) {
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// 如果是15:00之后的事件,推到下一个交易日的9:30
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if (eventMoment.hour() >= 15) {
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@@ -92,7 +92,7 @@ const StockChartAntdModal = ({
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let adjustedEventTime = eventTime;
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if (eventTime) {
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try {
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const eventMoment = moment(eventTime);
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const eventMoment = dayjs(eventTime);
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if (eventMoment.isValid()) {
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// 如果是15:00之后的事件,推到下一个交易日的9:30
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if (eventMoment.hour() >= 15) {
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@@ -180,7 +180,7 @@ const StockChartAntdModal = ({
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// 计算事件标记线位置
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let markLineData = [];
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if (eventTime && times.length > 0) {
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const eventMoment = moment(eventTime);
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const eventMoment = dayjs(eventTime);
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const eventDate = eventMoment.format('YYYY-MM-DD');
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if (activeChartType === 'timeline') {
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