fastapi>=0.110.0
uvicorn[standard]>=0.27.0
sse-starlette>=2.0.0
python-dotenv>=1.0.0
pydantic>=2.0.0

# LangChain
langchain>=1.0.0
langchain-openai>=0.3.0
langchain-deepseek>=0.1.0
langchain-community>=0.3.0
langchain-experimental>=0.3.0
langgraph>=1.0.0

# LlamaIndex
llama-index-core>=0.12.0
llama-index-embeddings-openai>=0.3.0
llama-index-retrievers-bm25>=0.4.0

# Token counting
tiktoken>=0.7.0

# Tools
html2text>=2024.2.26
beautifulsoup4>=4.12.0
requests>=2.31.0
pyyaml>=6.0.0