feat(history): complete messaging core before multi-account gateways

src/pages/analytics/AnalyticsPage.tsx

@@ -46,7 +46,7 @@ export function AnalyticsPage() {
       </div>
 
       <div className="grid grid-cols-1 gap-4 lg:grid-cols-2">
-        <ChartCard title="客户增长趋势" height={260}><TrendChart data={data.customerGrowth} series={[{ key: 'count', name: '新增客户', color: '#247b71' }]} /></ChartCard>
+        <ChartCard title="客户增长趋势" height={260}><TrendChart data={data.customerGrowth} series={[{ key: 'count', name: '新增客户', color: '#2563eb' }]} /></ChartCard>
         <ChartCard title="各渠道询盘数量" height={260}><SimpleBarChart data={data.channelInquiries} xKey="name" barKey="count" name="询盘数" /></ChartCard>
         <ChartCard title="客户国家/地区分布" height={260}><DonutChart data={data.countryDistribution} /></ChartCard>
         <ChartCard title="客户阶段转化漏斗" height={260}><FunnelChart data={data.funnel} /></ChartCard>