feat: add application launcher

app.py

@@ -0,0 +1,55 @@
+#!/usr/bin/env python3
+"""
+TradingAgents Web Application Launcher
+
+This script starts the TradingAgents webapp using uvicorn.
+It provides a convenient entry point to run the FastAPI application.
+"""
+
+import uvicorn
+import os
+import sys
+from pathlib import Path
+
+def main():
+    """Start the TradingAgents webapp with uvicorn."""
+    
+    # Get the project root directory
+    project_root = Path(__file__).parent.absolute()
+    
+    # Add the project root to Python path so imports work correctly
+    if str(project_root) not in sys.path:
+        sys.path.insert(0, str(project_root))
+    
+    # Change to the project directory to ensure relative paths work
+    os.chdir(project_root)
+    
+    # Configuration for uvicorn
+    config = {
+        "app": "webapp.main:app",
+        "host": "0.0.0.0",
+        "port": 8000,
+        "reload": True,  # Enable auto-reload for development
+        "reload_dirs": [str(project_root)],  # Watch for changes in project directory
+        "log_level": "info",
+        "access_log": True,
+    }
+    
+    print("🚀 Starting TradingAgents WebApp...")
+    print(f"📁 Project root: {project_root}")
+    print(f"🌐 Server will be available at: http://localhost:{config['port']}")
+    print("🔄 Auto-reload is enabled for development")
+    print("⚠️  Make sure you have set up your .env file with required API keys")
+    print("-" * 60)
+    
+    try:
+        # Start the uvicorn server
+        uvicorn.run(**config)
+    except KeyboardInterrupt:
+        print("\n👋 Shutting down TradingAgents WebApp...")
+    except Exception as e:
+        print(f"❌ Error starting the application: {e}")
+        sys.exit(1)
+
+if __name__ == "__main__":
+    main()