# httpx
# openai
# faiss-cpu
# python-dotenv
# xmltodict
# lxml
# pydantic


# ── Core HTTP / async requests ───────────────────────────────
httpx>=0.27.0

# ── Retrieval-Augmented Generation (embeddings + FAISS) ─────
sentence-transformers>=2.5.1       # provides SBERT encoders
faiss-cpu                          # vector index backend

# ── XML parsing / writing ────────────────────────────────────
lxml                               # robust XML handling (indent, namespaces)
xmltodict                          # optional dict↔XML helpers

# ── Environment & config ─────────────────────────────────────
# python-dotenv>=1.0.1               # load OPENROUTER_API_KEY from .env

# ── Data validation / typing (optional but handy) ────────────
pydantic>=2.7.0