# Core LangChain stack
langchain>=0.3.0,<0.4.0
langchain-core>=0.3.0,<0.4.0
langchain-community>=0.3.0,<0.4.0
langchain-text-splitters>=0.3.0,<0.4.0

# LLM providers (install only what you need)
langchain-anthropic>=0.3.0,<0.4.0
langchain-openai>=0.2.0,<0.3.0
langchain-ollama>=0.2.0,<0.3.0

# Embeddings
sentence-transformers>=3.0.0,<4.0.0
langchain-huggingface>=0.1.0,<0.2.0

# Vector stores
chromadb>=0.5.0,<0.6.0
faiss-cpu>=1.8.0,<2.0.0

# Document loaders
pypdf>=4.0.0,<5.0.0
unstructured>=0.15.0,<0.16.0

# API
fastapi>=0.115.0,<0.116.0
uvicorn[standard]>=0.32.0,<0.33.0
pydantic>=2.9.0,<3.0.0

# UI
streamlit>=1.40.0,<2.0.0

# Config and utilities
pyyaml>=6.0.2,<7.0.0
python-dotenv>=1.0.1,<2.0.0
rich>=13.9.0,<14.0.0

# Testing
pytest>=8.3.0,<9.0.0
pytest-asyncio>=0.24.0,<0.25.0
httpx>=0.27.0,<0.28.0
