Initial monorepo scaffold for Duoc Thu RAG medical chatbot

ingestion/README.md

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+# ingestion
+
+Offline batch pipeline (never part of the live `ai-service` request path):
+extract -> segment -> chunk -> embed -> load. Parses
+`data/raw/duoc-thu-quoc-gia-viet-nam-2018.pdf` into per-drug, per-section
+chunks and upserts embeddings into Qdrant. Run via
+`python -m ingestion.cli run --pdf data/raw/duoc-thu-quoc-gia-viet-nam-2018.pdf`
+(once implemented).

ingestion/pyproject.toml

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+[project]
+name = "ingestion"
+version = "0.0.0"
+description = "Offline batch pipeline: PDF -> monographs -> chunks -> embeddings -> Qdrant"
+requires-python = ">=3.11"
+dependencies = []
+
+[build-system]
+requires = ["setuptools>=68"]
+build-backend = "setuptools.build_meta"