[Enhancement]: show chunk references via rag_api

[stdweird]

What features would you like to see added?

display references to the used chunks in the answer when using documents/rag_api. ideally this can be toggled per session.

More details

selecting a bunch of documents to work with via rag_api is nice, but it would be better if there was a way to display some additional data wrt the used chunks as context. the rag_api could provide this pre-formatted if needed (assuming there is some syntax to use url to click on).

chunk from large pdf documents can display references to eg page range.

this will require custom rag_api code (not part of this request), but librechat should define the expected response format to display this.

Which components are impacted by your request?

No response

Pictures

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