fix(samples): move misplaced docstring to correct position in watch_log.py

[meetrick]

Description

• Follow the CONTRIBUTING Guide.
• Make your Pull Request title in the https://www.conventionalcommits.org/ specification.
• Ensure the tests and linter pass
• Appropriate docs were updated (if necessary)

Summary

Fix misplaced docstring in log_a2a_message_parts() function.

Problem

The docstring was placed after _load_logger() call instead of immediately after the function definition:

Before (incorrect)

def log_a2a_message_parts(...):
  _load_logger()

  """Logs the A2A message parts to the watch.log file."""  # Not recognized as docstring

Solution

Move the docstring to the correct position as the first statement in the function body:

### After (correct)
def log_a2a_message_parts(...):
  """Logs the A2A message parts to the watch.log file."""
  _load_logger()

This ensures help(log_a2a_message_parts) and documentation tools properly display the function's purpose.

[gemini-code-assist]

Summary of Changes

Hello @meetrick, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request addresses a code quality improvement by correcting the placement of a docstring within the log_a2a_message_parts function. The change ensures that the function's documentation is properly recognized by Python's introspection mechanisms and documentation generation tools, thereby enhancing code clarity and maintainability.

Highlights

• Docstring Correction: The docstring for the log_a2a_message_parts function in samples/python/src/common/watch_log.py has been moved to its correct position, immediately following the function definition.

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[gemini-code-assist]

Code Review

This pull request correctly moves a misplaced docstring in the log_a2a_message_parts function to its proper position, ensuring it's correctly associated with the function. This is a good fix. I've added one minor suggestion to further improve the docstring by including details about the function's parameters, which will enhance code clarity and documentation.