test(drain): classify 합류 반영 — 거부 케이스를 extract 로 교체

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

tests/test_macbook_offload_deep_slot.py

@@ -152,8 +152,9 @@ async def test_drain_requires_deep_slot(monkeypatch):
 
 @pytest.mark.asyncio
 async def test_drain_rejects_non_drain_stage(monkeypatch):
+    """classify 는 2026-06-12 fair-share 로 DRAIN_STAGES 합류 — 거부 대상은 extract 등."""
     import workers.queue_drain as qd
 
     monkeypatch.setattr(qd, "settings", SimpleNamespace(ai=SimpleNamespace(deep=object())))
     with pytest.raises(SystemExit):
-        await qd.drain("classify", 1)
+        await qd.drain("extract", 1)