feat(test): clean_baseline marker resets controller state before test

tests/conftest.py

@@ -653,6 +653,21 @@ def _check_live_gui_health(request, live_gui) -> Generator[None, None, None]:
   handle.ensure_alive()
  yield
 
+@pytest.fixture(autouse=True)
+def _reset_clean_baseline(request, live_gui) -> Generator[None, None, None]:
+ """[SDM: tests/conftest.py:_reset_clean_baseline] [C: tests marked with @pytest.mark.clean_baseline]"""
+ if request.node.get_closest_marker("clean_baseline"):
+  try:
+   from src.api_hook_client import ApiHookClient
+   client = ApiHookClient()
+   if client.wait_for_server(timeout=5):
+    client.reset_session()
+    time.sleep(0.2)
+  except Exception:
+   pass
+ yield
+
+
 @pytest.fixture
 def live_gui_workspace(live_gui) -> Path:
  """[SDM: tests/conftest.py:live_gui_workspace] [C: tests/test_rag_phase4_*.py, tests/test_saved_presets_sim.py, etc.]"""