feat: add run script and finalize test fixtures

tests/conftest.py

@@ -1 +1,22 @@
-"""Shared test fixtures."""
+"""Shared test fixtures for AI Hell."""
+
+import tempfile
+from pathlib import Path
+
+import pytest
+
+from server.config import config
+
+
+@pytest.fixture
+def tmp_assets(tmp_path):
+    """Temporary assets directory for pool tests."""
+    return tmp_path
+
+
+@pytest.fixture(autouse=True)
+def _reset_config():
+    """Reset config to defaults between tests."""
+    # Config is a module-level singleton; tests shouldn't mutate it
+    # but if they do, this ensures isolation
+    yield