# Core Utilities
pypdf>=3.0.0,<4.0.0
pandas>=2.0.0,<3.0.0
requests>=2.31.0,<3.0.0
beautifulsoup4>=4.12.0,<5.0.0

# LangChain Ecosystem (核心框架，建议定期手动升级并测试)
langchain>=0.1.0,<0.2.0
langchain-community>=0.0.10,<0.1.0
langchain-core>=0.1.0,<0.2.0
langchain-openai>=0.0.5,<0.1.0
langchain-text-splitters>=0.1.0,<0.2.0
langchain-qdrant>=0.1.0,<0.2.0

# Vector Database (Qdrant 客户端，与 langchain-qdrant 配合使用)
qdrant-client>=1.7.0,<2.0.0

# Memory Layer
mem0ai>=0.1.0,<0.2.0

# LangGraph (工作流编排，核心依赖)
langgraph>=0.0.30,<0.1.0
langgraph-checkpoint-postgres>=0.0.5,<0.1.0

# ZhipuAI Integration
zhipuai>=1.0.0,<2.0.0

# Backend Framework
fastapi>=0.109.0,<0.110.0
uvicorn[standard]>=0.27.0,<0.28.0

# Frontend Framework
streamlit>=1.30.0,<2.0.0

# Database Driver
psycopg[binary,pool]>=3.1.0,<4.0.0

# Data Validation
pydantic>=2.0.0,<3.0.0

# Environment & Type Support
python-dotenv>=1.0.0,<2.0.0
typing-extensions>=4.9.0,<5.0.0