The session file gives full access to the account. If it leaks, remove
the device in Linked devices on the phone.
+External events
+===============
+
+Use ``onechat notify --source CHECK --id EVENT --text TEXT`` to send
+external data to the root at its next turn. Success means accepted, not
+processed. See ``onechat notify --help`` for the local test limits.
+
User service
============
Its memory keeps what the image shows, and it can look at an older
image again. Ask it to show an image or send one to a WhatsApp chat.
+Voice notes
+ The agent hears Telegram and WhatsApp voice notes through local
+ Whisper. Nix includes the small model. Outside Nix, set
+ ``voice.model`` in ``config.json`` and install ``whisper-cli``.
+ ``voice.transcriber`` selects another executable. No audio goes to a
+ transcription service.
+
Schedules
Ask for reminders and timed tasks, such as "every weekday at 8, tell
me what my groups talked about". Each run uses the quota, so runs are