requirements.txt

# Web framework
fastapi==0.115.12
uvicorn[standard]==0.34.2

# HTTP client
httpx==0.28.1
openai==1.82.0

# Transformers & Hugging Face tools
transformers==4.52.3
sentence-transformers==4.1.0

# Vector DB
qdrant-client==1.14.2

# Caching, file IO, progress
tqdm==4.67.1
joblib==1.5.0
python-dotenv==1.1.0

# NLTK for BM25 and query preprocessing
nltk==3.9.1
rank-bm25==0.2.2

# Typing for Python 3.10+
typing_extensions>=4.13.2