feat(api): 接入 yahoo-finance2 构建股票自动行情引擎，并实装一键同步按钮

app/dashboard/assets/page.tsx

@@ -1,6 +1,6 @@
 import { getAssets } from '@/actions/asset';
 import { AddAssetDialog } from '@/components/assets/add-asset-dialog';
-import { UpdatePriceDialog } from '@/components/assets/update-price-dialog';
+import { SyncButton } from '@/components/assets/sync-button';
 import {
   Table,
   TableBody,
@@ -25,7 +25,10 @@ export default async function AssetsPage() {
     <div className="space-y-6">
       <div className="flex items-center justify-between">
         <h1 className="text-2xl font-bold">資產列表</h1>
-        <AddAssetDialog />
+        <div className="flex gap-2">
+          <SyncButton />
+          <AddAssetDialog />
+        </div>
       </div>
 
       <div className="rounded-md border">
@@ -38,13 +41,12 @@ export default async function AssetsPage() {
               <TableHead>基礎幣種</TableHead>
               <TableHead>當前市價 (Latest Price)</TableHead>
               <TableHead>創建時間</TableHead>
-              <TableHead>操作</TableHead>
             </TableRow>
           </TableHeader>
           <TableBody>
             {assets.length === 0 ? (
               <TableRow>
-                <TableCell colSpan={6} className="text-center text-muted-foreground">
+                <TableCell colSpan={5} className="text-center text-muted-foreground">
                   暫無資產，點擊"添加資產"按鈕錄入第一個資產
                 </TableCell>
               </TableRow>
@@ -60,9 +62,6 @@ export default async function AssetsPage() {
                       ? new Date(asset.createdAt).toLocaleString('zh-CN')
                       : '-'}
                   </TableCell>
-                  <TableCell>
-                    <UpdatePriceDialog assetId={asset.id} currentPrice={asset.latestPrice ? new Big(asset.latestPrice).toString() : '0'} />
-                  </TableCell>
                 </TableRow>
               ))
             )}