fix(cli): help text names the command the user actually ran - #4
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Installed, the entry point is `open-m711pro`, but every usage line said `python3 main.py` — pointing people at a file a pip install does not give them. The program name is now substituted into the docstring and the usage constants. argv[0] is only trusted when it is recognisable: `main.py` means a source checkout, a name starting with `open-m711pro` means the installed entry point, and anything else (a test runner, `python -m`, an embedding host) falls back to the canonical command rather than echoing a path that would mislead. A first attempt returned the basename unconditionally, which made the help say "run_tests.py" under the test runner. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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Installed, the entry point is
open-m711pro, but every usage line saidpython3 main.py— a file a pip install does not provide. Caught while smoke-testing the v0.1.0 wheel.argv[0] is trusted only when recognisable:
main.pymeans a checkout, a name starting withopen-m711promeans the installed entry point, anything else falls back to the canonical command. A first attempt returned the basename unconditionally and made the help say "run_tests.py" under the test runner — the three CLI tests caught it.114 tests pass.
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