-// until ctx ends or the loop fails. It closes listener. It keeps whatsapp
-// connected. When bot is not nil, it runs the bot too, and a failure of the bot
-// stops the agent.
+// until ctx ends or the loop fails. It closes listener. It runs whatsapp, which
+// logs its batches and notes in the loop and tells all clients its notices, and
+// a failure of whatsapp stops the agent. When bot is not nil, it runs the bot
+// too, and a failure of the bot stops the agent.