[Enhancement] Refactor LLM Chunk Retrieval Process to Retrieve Chunks Based On Executive Summaries of Documents

[ldw129]

Description

To get the LLM to decide which document(s) to retrieve the relevant textual chunks from, based on the executive summary provided by Metadata service for each document stored in the ChromaDB collection.

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Acceptance Criteria

1. Queries are answered using top-K relevant chunks from the documents whose executive summary is relevant to the query provided.

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Notes

NA