Extracts the plain text content of the assistant's reply from an LLMMessage object.
Use get_reply_data() for structured replies in JSON format.
Value
Returns a character string containing the assistant's reply, or NA_character_ if no reply exists.
Details
This function is the core utility for retrieving assistant replies by index.
For convenience, last_reply() is provided as a wrapper to retrieve the
latest assistant reply.
See also
get_reply_data(), last_reply()
