fix(ui): 击穿 Next.js 财务数据缓存，强制走势图与真实数据库快照实时对齐

app/api/admin/rebuild-snapshots/route.ts

@@ -1,5 +1,6 @@
 import { NextResponse } from 'next/server';
 import { reconstructPortfolioHistory } from '@/actions/snapshots';
+import { revalidatePath } from 'next/cache';
 
 export const dynamic = 'force-dynamic';
 export const runtime = 'nodejs';
@@ -30,6 +31,10 @@ export async function POST(req: Request) {
 
     console.log('[Rebuild Snapshots] Rebuild complete:', result);
 
+    // 清除整个大盘页面的所有服务端缓存
+    revalidatePath('/', 'layout');
+    revalidatePath('/dashboard', 'page');
+
     return NextResponse.json({
       success: true,
       message: '历史快照全量重建完成',