Add Playwright configuration and initial tests for landing page

- Created playwright.config.ts for test configuration
- Added .last-run.json to store test run status
- Implemented landing.test.ts with tests for navbar visibility and navigation
- Removed unused server proxy configuration from vite.config.ts

app/routes/api/alpaca/account.ts

@@ -1,21 +1,42 @@
 import type { AlpacaAccount } from "../../../types";
+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",
+  retryOnError: false,
+});
 
-// Mock Alpaca account data – replace with actual API call
 async function fetchAlpacaAccount(): Promise<AlpacaAccount> {
-  return {
-    cash: 12345.67,
-    buying_power: 8000.0,
-    portfolio_value: 25000.0,
-  };
+  try {
+    console.log("Fetching Alpaca account with key:", process.env.ALPACA_API_KEY?.substring(0, 8) + "...");
+    const account = await alpaca.getAccount();
+    console.log("Alpaca account fetched successfully");
+    return {
+      cash: parseFloat(account.cash),
+      buying_power: parseFloat(account.buying_power),
+      portfolio_value: parseFloat(account.portfolio_value),
+    };
+  } catch (error) {
+    console.error("Alpaca API fetch error:", error);
+    return {
+      cash: 0,
+      buying_power: 0,
+      portfolio_value: 0,
+    };
+  }
 }
 
 export async function loader() {
   try {
     const account = await fetchAlpacaAccount();
     return Response.json(account);
-  } catch {
+  } catch (error) {
+    console.error("Alpaca API error:", error);
+    const message = error instanceof Error ? error.message : "Unknown error";
     return Response.json(
-      { error: "Failed to fetch account info" },
+      { error: `Failed to fetch account info: ${message}` },
       { status: 500 }
     );
   }