# 核心依赖
streamlit>=1.28.0
langgraph>=0.2.0
langchain>=0.3.0
langchain-openai>=0.2.0
langchain-anthropic>=0.3.0
langchain-ollama>=0.2.0
langchain-community>=0.3.0

# 向量数据库
chromadb>=0.5.0

# 验证服务
fastapi>=0.115.0
uvicorn[standard]>=0.30.0
lxml>=5.3.0

# 嵌入模型（本地）
sentence-transformers>=3.0.0
torch>=2.0.0
huggingface_hub>=0.19.0
tqdm>=4.65.0

# 工具类
python-dotenv>=1.0.0
httpx>=0.27.0
tiktoken>=0.7.0
openpyxl>=3.1.0

# OCR 依赖（PaddleOCR 精确识别优先，EasyOCR 回退）
# Pinned: paddleocr 2.9.x + paddlepaddle 2.6.x known-stable on Windows CPU
# 3.x has ONEDNN compatibility issues on Windows
paddleocr>=2.9.0,<3.0.0
paddlepaddle>=2.6.0,<3.0.0
easyocr>=1.7.0
# 聊天输入增强（粘贴/拖拽上传）
st-multimodal-chatinput>=0.2.1

# 多格式文件解析
openpyxl>=3.1.0
xlrd>=2.0.0
olefile>=0.47

# 批注检测（圈选/箭头识别）
opencv-python-headless>=4.8.0

# 测试
pytest>=8.0.0
pytest-asyncio>=0.24.0
xlwt>=1.3.0