# ============================================================
# LangChain Basic LLM Starter — pinned dependencies
# Install with: pip install -r requirements.txt
# ============================================================

# --- LangChain core & integrations ---------------------------
langchain>=0.3.0,<0.4.0
langchain-core>=0.3.0,<0.4.0
langchain-anthropic>=0.3.0,<0.4.0
langchain-openai>=0.2.0,<0.3.0
langchain-community>=0.3.0,<0.4.0
langchain-chroma>=0.1.4,<0.2.0

# --- Vector store / embeddings --------------------------------
chromadb>=0.5.0,<0.6.0
sentence-transformers>=3.0.0,<4.0.0

# --- API layer ------------------------------------------------
fastapi>=0.115.0,<0.116.0
uvicorn[standard]>=0.31.0,<0.32.0
httpx>=0.27.0,<0.28.0

# --- UI -------------------------------------------------------
streamlit>=1.39.0,<2.0.0

# --- Configuration / env --------------------------------------
python-dotenv>=1.0.0,<2.0.0
pyyaml>=6.0,<7.0

# --- Testing --------------------------------------------------
pytest>=8.0.0,<9.0.0
pytest-asyncio>=0.24.0,<0.25.0

# --- Utilities ------------------------------------------------
tenacity>=8.5.0,<9.0.0
