chore: snapshot in-progress question-gen work before preflight fixes

tests/unit/test_agent_protocols.py

@@ -1,4 +1,5 @@
 """core/agent/protocols.py 单元测试。"""
+
 from __future__ import annotations
 
 from typing import Any
@@ -18,9 +19,11 @@ class _FakeDispatcher:
 def test_fake_dispatcher_satisfies_protocol() -> None:
     assert isinstance(_FakeDispatcher(), ToolDispatcher)
 
+
 def test_plain_object_not_dispatcher() -> None:
     assert not isinstance(object(), ToolDispatcher)
 
+
 def test_hookspec_can_register() -> None:
     pm = pluggy.PluginManager("agent_loop")
     pm.add_hookspecs(AgentLoopSpec)