GPT prompting is a candidate for domain objects

[soumyaray]

https://github.com/ITC-NTHU/LyricLab-API/blob/1d8d0f29508eda4f54c34ece351a28699f679eda/app/infrastructure/chatgpt/factory/gpt_word_processor.rb#L41

This and other lines where you are creating prompting logic would have been good candidates for domain entities/values, because its your custom business logic!