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

package.json

@@ -6,30 +6,37 @@
     "build": "react-router build",
     "dev": "react-router dev",
     "start": "react-router-serve ./build/server/index.js",
-    "test": "vitest run",
-    "typecheck": "react-router typegen && tsc"
+    "test:e2e": "playwright test",
+    "typecheck": "react-router typegen && tsc",
+    "mcp:dev": "npx tsx mcp-server/index.ts",
+    "mcp:build": "tsc -p mcp-server/tsconfig.json"
   },
   "dependencies": {
+    "@alpacahq/alpaca-trade-api": "^3.1.3",
+    "@modelcontextprotocol/sdk": "^1.29.0",
     "@react-router/node": "7.15.0",
     "@react-router/serve": "7.15.0",
-    "@testing-library/user-event": "^14.6.1",
     "isbot": "^5.1.36",
     "react": "^19.2.6",
     "react-dom": "^19.2.6",
-    "react-router": "7.15.0"
+    "react-router": "7.15.0",
+    "zod": "^4.4.3"
   },
   "devDependencies": {
+    "@playwright/test": "^1.60.0",
     "@react-router/dev": "7.15.0",
     "@tailwindcss/vite": "^4.2.2",
-    "@testing-library/jest-dom": "^6.0.0",
+    "@testing-library/jest-dom": "^6.9.1",
     "@testing-library/react": "^15.0.0",
+    "@testing-library/user-event": "^14.3.1",
     "@types/node": "^22",
     "@types/react": "^19.2.14",
     "@types/react-dom": "^19.2.3",
-    "jsdom": "^24.0.0",
+    "playwright": "^1.42.0",
     "tailwindcss": "^4.2.2",
+    "tsx": "^4.21.0",
     "typescript": "^5.9.3",
     "vite": "^8.0.3",
-    "vitest": "^2.0.0"
+    "vitest": "^4.1.6"
   }
 }