import os


def pytest_configure(config):
    """Set up minimal environment variables for tests before any imports."""
    os.environ.setdefault("DATABASE_URL", "postgresql+asyncpg://test:test@localhost/test")
    os.environ.setdefault("OLLAMA_BASE_URL", "http://localhost:11434")
    os.environ.setdefault("SESSION_SECRET", "test-secret-key")