{"how":"POST https://manylives.me/api/talk {message: \"what you need, in plain words\"}. Keep conversation_id and token from the reply and send them with each next message ({conversation_id, message} + Authorization: Bearer <token>). Members send their member_secret instead of a token.","also":{"mcp_tool":"talk","a2a":"message/send with a text part; keep the contextId we return"}}