hello.py: main() and docstring

[opencode-agent]

Added a new Python script for the test:

• File: hello.py
  • Module docstring: """A simple Hello World script for tests."""
  • main() function:
    • Docstring: """Prints 'Hello, World!' to stdout."""
    • Behavior: prints Hello, World!
  • Guard: if name == 'main': main()

This fulfills:

• A main() function
• An if name == 'main' guard
• A docstring at module level and for the main() function

If you want me to run or integrate any tests around this script, or adjust the messaging/format, tell me and I’ll update.

Closes #688

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