feat: code quality audit + autoresearch integration + infra hardening (#150)

tests/integrations/test_websocket_extended.py

@@ -68,6 +68,7 @@ class TestWebSocketManagerBroadcast:
     @pytest.mark.asyncio
     async def test_broadcast_trims_history(self):
         import collections
+
         mgr = WebSocketManager()
         mgr._event_history = collections.deque(maxlen=3)
         for i in range(5):
@@ -90,9 +91,7 @@ class TestWebSocketManagerConnect:
         mgr = WebSocketManager()
         # Pre-populate history
         for i in range(3):
-            mgr._event_history.append(
-                WSEvent(event=f"e{i}", data={}, timestamp="t")
-            )
+            mgr._event_history.append(WSEvent(event=f"e{i}", data={}, timestamp="t"))
         ws = AsyncMock()
         await mgr.connect(ws)
         # Should have sent 3 history events