I've fixed the agent initialization issue

app.py

@@ -251,17 +251,26 @@ logger.info("="*50)
 logger.info("Starting application initialization...")
 logger.info(f"Python version: {sys.version}")
 logger.info(f"Current working directory: {os.getcwd()}")
-logger.info(f"Files in working directory: {os.listdir('.')}")
+logger.info(f"Files in working directory: {os.listdir()}")
 
-# Check environment variables
+# Verificar las variables de entorno
 logger.info("Checking environment variables...")
-required_vars = ["DB_USER", "DB_HOST", "DB_NAME", "GOOGLE_API_KEY"]
-for var in required_vars:
+for var in ["DB_USER", "DB_PASSWORD", "DB_HOST", "DB_NAME", "GOOGLE_API_KEY"]:
     logger.info(f"{var}: {'*' * 8 if os.getenv(var) else 'NOT SET'}")
 
-# Initialize agent
+# Initialize components
+logger.info("Initializing database connection...")
+db_connection, db_error = setup_database_connection()
+if db_error:
+    logger.error(f"Failed to initialize database: {db_error}")
+
+logger.info("Initializing language model...")
+llm, llm_error = initialize_llm()
+if llm_error:
+    logger.error(f"Failed to initialize language model: {llm_error}")
+
 logger.info("Initializing agent...")
-agent, agent_error = create_agent()
+agent, agent_error = create_agent(llm, db_connection)
 db_connected = agent is not None
 
 if agent: