rag-architect

No direct evidence of intentional malware (backdoor/credential theft/obfuscated payload) is present in this chunking utility fragment. The major security concerns are (1) high-impact supply-chain execution risk from LateChunker using trust_remote_code=True when loading Hugging Face models, (2) runtime network fetching via nltk.download('punkt') causing non-determinism, and (3) privacy/data disclosure risk because document content is sent to OpenAI in contextual_chunk() and extract_propositions() depending on policy and threat model.