my WhatsApp groups talked about". A schedule has a text, the task for
the agent, and either one time or a cron expression. The agent also
lists the schedules with their next times, and removes one when the user
-asks. Only the agent has the schedule tools, not its subagents.
+asks. The root and its children have the schedule tools, not their
+subagents. Each schedule records its owner and wakes only that agent.
A cron expression has five fields: minute, hour, day of month, month,
and day of week, where 0 and 7 are Sunday. A field is a comma list of