Allow for text regeneration based on prompts.

ChatGPT allows us to regenerate a text based on instructions, and I wish it was a feature available in Deep Fiction AI. In addition, I don't think it should cost a credit to continue writing a story once it has been generated by the AI. I think once a credit has been spent, we should be free to instruct the AI to continue writing a scene or story. A credit should only be spent if we want to write a scene/story based on a fresh prompt.

Unrelated, for Lustix, we are told not to write about underage sex (younger than 18). However, in my prompts, whenever I specify an 18-year-old fantasizes about his 30-year-old college professor, I am told the content goes against the policies even when I use the Age Gap trope. I think the AI in this case is too sensitive and needs to ease off since my prompt is not violating any content policies.