-// Run runs a turn each time user messages or reports wait, until ctx ends. It
-// returns the error of a failed log write, which stops the agent. At its start
-// it resumes the subagents that a stop of the daemon cut, and at its end it
-// ends the runs of the subagents and waits for them.
+// Run starts a turn when user messages, reports, or queued external events
+// wait, until ctx ends. It returns the error of a failed log write, which stops
+// the agent. External events enter memory only between chains. At its start it
+// resumes the subagents that a stop of the daemon cut, and at its end it ends
+// the runs of the subagents and waits for them.