# OpenAI API配置
OPENAI_API_KEY=your_openai_api_key_here
OPENAI_API_BASE=https://api.openai.com/v1
OPENAI_MODEL_NAME=gpt-3.5-turbo-1106

# 向量数据库配置
CHROMA_PERSIST_DIRECTORY=./data/index
EMBEDDING_MODEL_NAME=text-embedding-ada-002

# Redis配置
REDIS_HOST=localhost
REDIS_PORT=6379
REDIS_PASSWORD=
REDIS_DB=0

# 应用配置
UPLOAD_DIR=./data/uploads
MAX_TOKENS=4000
TEMPERATURE=0.0
CHUNK_SIZE=1000
CHUNK_OVERLAP=200
VECTOR_SEARCH_TOP_K=5
KEYWORD_SEARCH_TOP_K=3
HYBRID_ALPHA=0.7  # 向量搜索权重，1-HYBRID_ALPHA为关键词搜索权重