"""Shared pytest fixtures for backend tests.

All external LLM/ASR calls must be mocked. Use tmp_path for ChromaDB instances.
"""
import pytest


@pytest.fixture
def mock_llm_client(monkeypatch):
    """Mock LLM client to avoid hitting live APIs."""
    pass  # TODO: implement mock


@pytest.fixture
def mock_asr_client(monkeypatch):
    """Mock ASR client to avoid hitting live APIs."""
    pass  # TODO: implement mock


@pytest.fixture
def chroma_test_dir(tmp_path):
    """Provide a temporary directory for isolated ChromaDB instances."""
    return tmp_path / "chroma_test"