Update chat stream query in run.py to display root directory contents

run.py

@@ -10,7 +10,9 @@ async def _main() -> None:
         # doc_path = chat.upload_document("test.txt")
         # print(f"Document uploaded to VM at: {doc_path}")
         # answer = await chat.chat(f"Remove all contents of test.txt and add the text 'Hello, World!' to it.")
-        async for resp in chat.chat_stream("What is in test.txt file?"):
+        # async for resp in chat.chat_stream("Erase the contents of test.txt and write 'Hello, World!' to it."):
+        # async for resp in chat.chat_stream("Verify that the file test.txt exists and contains the text 'Hello, World!'."):
+        async for resp in chat.chat_stream("Show me the ls of root directory."):
             print("\n>>>", resp)