# ── Core serving ───────────────────────────────────────────────────────────────
fastapi==0.115.0
uvicorn[standard]==0.30.6
pydantic==2.7.4

# ── LLM + fine-tuned model (local backend) ─────────────────────────────────────
# Only needed when LLM_BACKEND=local
# GPU with 6GB+ VRAM required; loads fine on CPU but very slow
torch==2.3.1
transformers==4.51.3
peft==0.15.2
bitsandbytes==0.43.3          # 4-bit NF4 quantization (official Windows wheels since 0.42)
accelerate==1.6.0

# ── RAG ────────────────────────────────────────────────────────────────────────
langchain==1.2.13
langchain-community==0.4.1
langchain-classic==1.0.3      # provides langchain_classic.chains.RetrievalQA
langchain-groq==1.1.2
groq==0.37.1
pinecone-client==3.2.2        # langchain-community expects the v3 Pinecone client API
sentence-transformers==4.1.0

# ── Utilities ──────────────────────────────────────────────────────────────────
python-dotenv==1.0.1
requests>=2.31.0
tavily-python