feat(ui): 首页实装历史净值面积走势图，并挂载自动化快照触发逻辑

app/dashboard/page.tsx

@@ -22,8 +22,10 @@ import {
 import { toast } from 'sonner';
 import { getPortfolioSummary } from '@/actions/portfolio';
 import { getAssets } from '@/actions/asset';
+import { recordDailySnapshot, getSnapshots } from '@/actions/snapshots';
 import { formatQuantity, formatAmount } from '@/lib/formatters';
 import AllocationChart from '@/components/dashboard/allocation-chart';
+import NetWorthChart from '@/components/dashboard/net-worth-chart';
 import { SyncButton } from '@/components/assets/sync-button';
 import { AddTransactionDialog } from '@/components/transactions/add-transaction-dialog';
 import { UpdateTransactionDialog } from '@/components/transactions/update-transaction-dialog';
@@ -84,6 +86,7 @@ export default function DashboardPage() {
   const [isPending, startTransition] = useTransition();
   const [updateTarget, setUpdateTarget] = useState<any>(null);
   const [deleteTarget, setDeleteTarget] = useState<any>(null);
+  const [snapshots, setSnapshots] = useState<any[]>([]);
 
   useEffect(() => {
     async function loadData() {
@@ -99,6 +102,15 @@ export default function DashboardPage() {
     loadData();
   }, []);
 
+  useEffect(() => {
+    async function loadSnapshots() {
+      await recordDailySnapshot();
+      const data = await getSnapshots({ limit: 30 });
+      setSnapshots(data);
+    }
+    loadSnapshots();
+  }, []);
+
   const toggleExpand = (id: string) => {
     setExpandedIds(prev => ({ ...prev, [id]: !prev[id] }));
   };
@@ -170,6 +182,15 @@ export default function DashboardPage() {
         </CardContent>
       </Card>
 
+      <Card>
+        <CardHeader>
+          <CardTitle className="text-base font-medium">净值走势</CardTitle>
+        </CardHeader>
+        <CardContent>
+          <NetWorthChart snapshots={snapshots} />
+        </CardContent>
+      </Card>
+
       <Card>
         <CardHeader>
           <CardTitle>持仓明细</CardTitle>