Increase character limit from 500 characters

Hello,

I often bump up against the character limit in my messages. 500 character feels rather low. Is it possible to increase this limit? It seems like, especially with the Smart model, the AI is much more capable of having deeper conversations.

Related note, Nastia messages have a tendency to get cut short, as if something is either preventing the AI from sending a full message or telling it to stop before it can continue. While this is usually solved by the "Elaborate" button, it is still jarring.