style: 统一飞书通知节点状态语义

tests/test_chat.py

@@ -738,6 +738,7 @@ def test_chat_page_shows_risk_and_notification_cards_from_conversation_summary(c
     assert "张三" in content
     assert "True" in content
     assert "CH1.11.5 沟通记录缺失" in content
+    assert "飞书通知 / 已发送" in content
     assert "飞书通知能力卡" in content
     assert "task_completed" in content
     assert "已发送" in content