typing-extensions>=4.15.0
python-dotenv>=1.2.2
pydantic>=2.12.5
requests>=2.32.5

# LangChain
langchain>=1.2.15
langchain-community>=0.4.1
langchain-core>=1.2.28
langchain-openai>=1.1.12
langchain-qdrant>=1.1.0
langgraph>=1.1.6
langgraph-checkpoint-postgres>=3.0.5
tiktoken>=0.12.0

# Zhipu AI
zhipuai>=2.0.1

# Vector DB
qdrant-client>=1.17.1
fastembed>=0.3.0  # 用于 Qdrant BM25 稀疏向量

# Memory
mem0ai>=1.0.11

# Backend
fastapi>=0.135.3
uvicorn[standard]>=0.44.0

# Database
asyncpg>=0.31.0
psycopg[binary]>=3.3.3

# HTTP
httpx>=0.28.1
aiohttp>=3.13.5

# Utilities
tenacity>=9.1.4
rich>=15.0.0
PyYAML>=6.0.3
numpy>=1.26.2
pyjwt>=2.8.0
ddgs>=6.0.0              # 免费联网搜索（原 duckduckgo-search 已重命名）
matplotlib>=3.9.0         # 可视化图表

# Document Processing
unstructured>=0.22.21
pypdf>=6.10.0
beautifulsoup4>=4.14.3
lxml>=6.1.0
spacy>=3.8.14         # unstructured 可能依赖