# FastAPI
fastapi>=0.115.0
uvicorn[standard]>=0.30.0
python-multipart>=0.0.9

# Database - SQLite (默认), PostgreSQL 可选
sqlalchemy>=2.0.0
alembic>=1.13.0
# asyncpg>=0.29.0      # PostgreSQL 异步驱动（生产环境使用）
# psycopg2-binary>=2.9.9  # PostgreSQL 同步驱动

# Pydantic
pydantic>=2.0.0
pydantic-settings>=2.0.0

# Redis - 可选，用于缓存/队列（开发环境可省略）
# redis>=5.0.0

# File Processing
pdfplumber>=0.10.4
python-docx>=1.1.0
openpyxl>=3.1.2
pandas>=2.2.0
ebooklib>=0.5
PyMuPDF>=1.24.0

# LLM & Text
langchain>=0.3.0
langchain-community>=0.2.0
langchain-openai>=0.1.0
tiktoken>=0.7.0
python-dotenv>=1.0.0

# Utils
python-dateutil>=2.8.2
httpx>=0.27.0
aiofiles>=23.2.1