# Backend Python
__pycache__/
*.pyc
venv/
*.db
.env
*.sqlite3
*.db-journal
.pytest_cache/
apscheduler.db

# Backend Python (preserved but not tracked)
backend-python/

# Backend Go
backend/sql-platform
backend/go.sum

# Frontend
node_modules/
dist/

# OS
.DS_Store
Thumbs.db

# Runtime
.pids/
logs/

# Docs (large/generated)
OPTIMIZATION_GUIDE*.md