setuptools.backends.legacy does not exist; correct value is setuptools.build_meta. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- Rename project to stealergram throughout - Add pyproject.toml (replaces requirements.txt split, folds pytest.ini) - Replace all em-dashes with hyphens across all source files Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>