A couple nodes to rewrite prompts using your local LLM (or other api I guess) because copy/paste is a lot of work. Currently only for MiniMax H3 Text to Video and Ref to Video.
https://github.com/ConnorPietrasik/ComfyUI-Prompt-Rewriters
git clone https://github.com/ConnorPietrasik/ComfyUI-Prompt-Rewriters
comfy node install promptrewriters