I am using index.as_chat_engine() with OAI models. I use TextNode of PDF page texts with id_ attributes that point to pdf file pages. When user queries something I want this ChatEngine to perform retrieval on embedding of that textual page but when this engine sends retrieved nodes to the model I want it to send them as images of these pdf pages.
Is it somehow possible to alter/extend this ChatEngine behaviour so that it works as descirbed?