Feat(api): support fetching bars from paper or live Alpaca (default paper) via alpacaClient.fetchBars\n\nCo-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

app/routes/api/alpaca/quote.ts

@@ -1,31 +1,24 @@
-import Alpaca from "@alpacahq/alpaca-trade-api";
-
-const alpaca = new Alpaca({
-  keyId: process.env.ALPACA_API_KEY!,
-  secretKey: process.env.ALPACA_SECRET_KEY!,
-  baseUrl: process.env.ALPACA_BASE_URL || "https://paper-api.alpaca.markets",
-  dataBaseUrl: process.env.ALPACA_DATA_URL || "https://data.alpaca.markets",
-  retryOnError: false,
-});
+import { fetchBars, fetchLatestBar } from "../../../lib/alpacaClient";
 
 export async function loader({ request, params }: { request: Request; params: { ticker: string } }) {
   const ticker = params.ticker?.toUpperCase();
   const url = new URL(request.url);
   const timeframe = url.searchParams.get("timeframe") || "1D";
   const range = url.searchParams.get("range") || "1M"; // 1D, 1W, 1M, 3M, 1Y, 3Y, ALL
+  const mode = url.searchParams.get('mode') === 'live' ? 'live' : 'paper';
   
   if (!ticker) {
     return Response.json({ error: "Ticker is required" }, { status: 400 });
   }
 
   try {
-    // Get latest trade for current price
+    // Get latest bar for current price (uses paper by default unless mode=live)
     let price = 0;
     try {
-      const trade = await alpaca.getLatestTrade(ticker);
-      price = (trade as { Price?: number }).Price || 0;
+      const last = await fetchLatestBar(ticker, timeframe, mode as any);
+      price = last ? (last.ClosePrice ?? last.c ?? 0) : 0;
     } catch (tradeErr) {
-      console.error(`API quote/${ticker}: getLatestTrade failed`, tradeErr);
+      console.error(`API quote/${ticker}: fetchLatestBar failed`, tradeErr);
     }
     
     // Calculate start date based on range
@@ -50,25 +43,14 @@ export async function loader({ request, params }: { request: Request; params: {
       startDate.setDate(startDate.getDate() - 30); // Default 30 days for intraday
     }
     
-    const barsOptions: any = { timeframe, limit: 1000 }; // High limit for time range
+    const barsOptions: any = { limit: 1000 }; // High limit for time range
     if (!isIntraday && range !== "ALL") {
       barsOptions.start = startDate.toISOString().split('T')[0];
     } else if (!isIntraday) {
       barsOptions.start = startDate.toISOString().split('T')[0];
     }
     
-    const bars = await alpaca.getBarsV2(ticker, barsOptions);
-    
-    // Convert async generator to array
-    // Alpaca v2 API returns AlpacaBar with capitalized property names
-    const barsArray = [];
-    try {
-      for await (const bar of bars) {
-        barsArray.push(bar);
-      }
-    } catch (genErr) {
-      console.error(`API quote/${ticker}: error iterating bars`, genErr);
-    }
+    const barsArray = await fetchBars(ticker, timeframe, barsOptions, mode as any);
 
     // Transform to chart format
     const transformedBars = barsArray.map((bar: any) => {