Incorrect usage filename in chunked consensus example

[ZainabTravadi]

Description

The usage examples in:

examples/consensus/topic_message_submit_chunked_transaction.py

currently reference a non-existent filename:

topic_message_submit_chunked.py

However, the actual example file is:

topic_message_submit_chunked_transaction.py

This can confuse contributors attempting to run the example using the documented commands.

Expected behavior:

• the usage examples should reference the correct existing filename
• the commands should be copy-paste runnable

Steps to reproduce

1. Open:
   examples/consensus/topic_message_submit_chunked_transaction.py

2. Look at the usage/example commands near the top of the file

3. Observe that the commands reference:
   topic_message_submit_chunked.py

4. Compare against the actual filename:
   topic_message_submit_chunked_transaction.py

5. Observe that the documented commands reference a non-existent file

Additional context

This appears to be a small documentation/example path typo in the usage header.

The issue is contributor-facing because users attempting to run the example via the documented commands may encounter confusion or file-not-found errors.

Hedera network

No response

Version

main branch

Operating system

None