Allow user create, modify or delete messages before

[ghost]

Is your feature request related to a problem? Please describe.
When the output is moderated by the Bing, only a short response will be generated, and the user needs to "continue" continuously, resulting in a lot of redundant messages. By modifying the previous message, the user can splicing the next paragraph of content to the previous message. This is also helpful when the user wants to modify a previous input message

Describe the solution you'd like
User can create, modify or delete messages before

Describe alternatives you've considered
Nothing

Additional context
Nothing

[waylaidwanderer]

This is a bit out of scope due to the way node-chatgpt-api stores and retrieves message history.