主页集合展示从 10 条改为 20 条

Co-Authored-By: Claude <noreply@anthropic.com>

src/routes/index.tsx

@@ -517,7 +517,7 @@ function CollectionCard({
           <p className="text-sm text-muted-foreground text-center py-4">暂无股票</p>
         ) : (
           <div className="space-y-1">
-            {stocks.slice(0, 10).map((stock) => (
+            {stocks.slice(0, 20).map((stock) => (
               <StockRowItem
                 key={stock.id}
                 stock={stock}
@@ -526,8 +526,8 @@ function CollectionCard({
                 swipeResetKey={swipeResetKey}
               />
             ))}
-            {stocks.length > 10 && (
-              <p className="text-xs text-muted-foreground text-center pt-1">还有 {stocks.length - 10} 只股票...</p>
+            {stocks.length > 20 && (
+              <p className="text-xs text-muted-foreground text-center pt-1">还有 {stocks.length - 20} 只股票...</p>
             )}
           </div>
         )}