Single-platform chat identity recommendations

[OrO-c]

When using a single platform, please avoid displaying "Powered by xxxx" in the response. Users can already clearly see which platform is being used for the current session from the homepage, and displaying this information may seem redundant. Simplifying the interface can help enhance the user experience.

[Taewan-P]

This is intended due to the OpenAI's Brand Guidelines. The app must include what they are using.