# Python build / cache artifacts
__pycache__/
*.py[cod]
*$py.class
*.so

# Distribution / packaging
.Python
build/
develop-eggs/
dist/
downloads/
eggs/
.eggs/
lib/
lib64/
parts/
sdist/
var/
wheels/
*.egg-info/
.installed.cfg
*.egg

# Testing
.pytest_cache/
.coverage
.coverage.*
htmlcov/
.tox/
.nox/
coverage.xml
*.cover

# Virtual environments
.venv/
venv/
env/
ENV/

# Secrets (defense in depth)
.env
.env.local
*.key
*.pem
*_key.pem

# IDE
.vscode/
.idea/
*.swp

# OS
.DS_Store
Thumbs.db

# Ephemeral demo output (keep committed sample; ignore local re-runs)
demo_output_local.txt
