fix: pass bars data to TradingView chart correctly

- Include bars in loader response
- Convert timestamp to YYYY-MM-DD format for TradingView
- Fix error response to always include bars array

app/routes/api/alpaca/quote.ts

@@ -44,6 +44,6 @@ export async function loader({ params }: { params: { ticker: string } }) {
     });
   } catch (error) {
     console.error("Alpaca data error:", error);
-    return Response.json({ error: "Failed to fetch data" }, { status: 500 });
+    return Response.json({ ticker, price: 0, bars: [] }, { status: 500 });
   }
 }