requirements.txt

# -----------------------------
# Core utilities
# -----------------------------
python-dotenv
tqdm
numpy
pandas

# -----------------------------
# PDF & document readers
# -----------------------------
pypdf
pdfminer.six
python-docx

# -----------------------------
# OpenAI
# -----------------------------
openai>=1.6.0

# -----------------------------
# LlamaIndex (COMPATIBLE SET)
# -----------------------------
llama-index==0.11.20
llama-index-core==0.11.20

llama-index-llms-openai>=0.2.10,<0.3.0
llama-index-embeddings-openai>=0.2.4,<0.3.0
llama-index-readers-file>=0.2.1,<0.3.0

# -----------------------------
# Vector store (FAISS – safe pin)
# -----------------------------
faiss-cpu==1.7.4
llama-index-vector-stores-faiss>=0.2.1,<0.3.0

# -----------------------------
# Web / UI (Hugging Face Space)
# -----------------------------
fastapi
uvicorn

chromadb>=0.4.22,<0.5.0
llama-index-vector-stores-chroma>=0.2.0,<0.3.0