# Python bytecode and build artifacts
__pycache__/
*.py[cod]
build/
dist/
*.egg-info/

# Virtual environments
.venv/

# Tool caches and reports
.pytest_cache/
.ruff_cache/
.mypy_cache/
.coverage
.coverage.*
coverage.xml
htmlcov/

# Local Spark artifacts (created when tests start a SparkSession)
spark-warehouse/
metastore_db/
derby.log

# Secrets — never commit. Use .env.example to document required variables.
.env
.env.*
!.env.example

# Editors and OS
.idea/
.ipynb_checkpoints/
.DS_Store
Thumbs.db

# The built playground (tools/build_playground.py).
_site/
