"""
Root conftest for all tests.

Configures pytest-asyncio to use session-scoped event loop.
"""

import asyncio

import pytest


@pytest.fixture(scope="session")
def event_loop():
    """
    Create session-scoped event loop.
    
    This ensures all async fixtures use the SAME event loop
    across all test files in the session.
    """
    loop = asyncio.get_event_loop_policy().new_event_loop()
    yield loop
    loop.close()