refactor: use cron turn naming internally

tests/cron/test_cron_service.py

@@ -84,7 +84,7 @@ def test_list_bound_agent_jobs_excludes_legacy_delivery_payloads(tmp_path) -> No
         session_key="websocket:chat-1",
     )
 
-    assert service.list_bound_agent_jobs_for_session("websocket:chat-1") == [bound]
+    assert service.list_bound_cron_jobs_for_session("websocket:chat-1") == [bound]
 
 
 @pytest.mark.asyncio

tests/cron/test_cron_tool_list.py

@@ -349,7 +349,7 @@ def test_add_job_requires_session_key(tmp_path) -> None:
 
     result = tool._add_job(None, "Background refresh", 60, None, None, None)
 
-    assert result == "Error: scheduled automations must be created from a chat session"
+    assert result == "Error: scheduled cron jobs must be created from a chat session"
     assert tool._cron.list_jobs() == []