chore(codex): drop the lineage import the session refactor moved

The rebase onto main moved _lineage into codex_sessions.py, which keeps the selected_turn_todo lookup, so codex_cli.py no longer imports it. Behavior is unchanged; this only satisfies the required Ruff check.

Signed-off-by: huangruiteng <huangrt01@163.com>

Author: huangruiteng

loopx/control_plane/turn_driver/codex_cli.py

@@ -28,7 +28,7 @@
     codex_session_profile_digest,
     require_codex_session_profile,
 )
-from .driver import SUPPORTED_ITERATION_CONTEXT_POLICIES, selected_turn_todo
+from .driver import SUPPORTED_ITERATION_CONTEXT_POLICIES
 from .executor import (
     HOST_AGENT_VISION_JSON_MAX_CHARS,
     HOST_REWARD_MEMORY_REFLECTION_JSON_MAX_CHARS,