Azher Digital Clone (Hybrid RAG)

1. Chunking (app.py): Splits Markdown documents in data/ into overlapping chunks of 240 words with a 45-word overlap (merging trailing fragments under 80 words into the preceding chunk), storing source file name and chunk_id (<filename>::chunk_<NN>) as metadata across 26 chunks.

Description excerpted from the original listing, which is linked below.