docs(cron): point the disarm comment at _teardown_cron_agent after the helper extraction

cron/scheduler.py

@@ -1979,13 +1979,12 @@ def _finalize_cron_session(session_db, agent, job_id: str, job_name: str, cron_s
         logger.debug("Job '%s': session lifecycle classification failed: %s", job_id, e)
     try:
         _session_db.end_session(_final_cron_session_id, _end_reason)
-        # run_job owns cron-session finalization. AIAgent.close() also
-        # finalizes owned session rows by default; if we release the
-        # shared SessionDB first and then call agent.close(), that second
-        # end_session() reopens the just-closed SQLite handle (#94736).
-        # Once the scheduler has durably booked this terminal reason,
-        # disarm only the agent's redundant row-finalization step. Its
-        # remaining resource teardown still runs normally below.
+        # The scheduler owns cron-session finalization. AIAgent.close() also
+        # finalizes owned session rows by default; once the shared SessionDB is
+        # released below, that second end_session() would reopen the just-closed
+        # SQLite handle (#94736). The reason is durably booked, so disarm only the
+        # agent's redundant row-finalization; its resource teardown still runs in
+        # _teardown_cron_agent.
         if agent is not None:
             agent._end_session_on_close = False
     except (Exception, KeyboardInterrupt) as e: