"""Test-wide isolation: a developer's local `.env` (e.g. OPENROUTER_API_KEY) must never make tests call a real
LLM provider — that costs money and makes results depend on the network. Agent tests pass explicit
providers/settings; everything else runs with the chat agent off."""

import pytest

from app.config import get_settings


@pytest.fixture(autouse=True)
def _no_live_llm(monkeypatch: pytest.MonkeyPatch):
    monkeypatch.setenv("CHAT_AGENT", "off")
    monkeypatch.setenv("OPENROUTER_API_KEY", "")
    monkeypatch.setenv("LLM_PROVIDER", "mock")
    # Tests cover the clinical protocol by default (blocking crisis); demo-mode tests flip it explicitly.
    monkeypatch.setenv("CRISIS_BLOCKING", "true")
    get_settings.cache_clear()
    yield
    get_settings.cache_clear()