support multiple output formats

app.py

@@ -73,11 +73,12 @@ def query_sql(user_query: str) -> str:
     # Log the SQL query result
     print(f"SQL Query Result: {result}")
 
+    # Ensure proper formatting based on content
     try:
         float_result = float(result)
-        return f"{float_result:.2f}" 
+        return f"{float_result:.2f}"  # Format numbers to 2 decimal places
     except ValueError:
-        return result
+        return result  # Return text results directly without modification
 
 def handle_query(user_input: str) -> str:
     """