requirements.txt

# Core frameworks and UI
gradio==4.19.2
fastapi==0.109.2
uvicorn==0.27.1

# LangChain and ecosystem (aligned versions)
langchain==0.1.9
langchain-core>=0.1.52,<0.2
langchain-community==0.0.27
langchain-text-splitters==0.0.1
langchain-huggingface==0.0.3

# LLM and Transformers
transformers==4.41.2
torch==2.2.1
accelerate==0.27.2

# Embeddings / similarity search
sentence-transformers==2.6.1
faiss-cpu==1.7.4

datasets==2.16.1

# Security and auth
python-jose==3.3.0
passlib==1.7.4
bcrypt==4.1.2
python-multipart

# Data & utils
pydantic==2.5.3
pydantic-settings==2.1.0
python-dotenv==1.0.0
httpx==0.26.0
aiohttp==3.9.5
tenacity==8.2.3
expiringdict==1.2.1
numpy==1.26.3
tqdm==4.66.1
loguru==0.7.2
huggingface-hub==0.24.1

# Resilience / patterns
circuitbreaker==1.4.0