Commands:
/clear history — clear chat history (16)
/clear prefix — clear prefix message
/clear suffix — clear suffix message
/clear system — clear system message
/history — show chat history (16)
/help — show this message
/image prompt — ask AI to generate an image
/prefix — set default prefix (sent before the history)
/suffix — set default suffix (sent after the user prompt)
/system — set default system message (sent before the user prompt)
prompt — ask AI, e. g. What can you do?
upload photo — describe a photo