# OpenAI 兼容 API
OPENAI_API_KEY=sk-your-key-here
OPENAI_MODEL=gpt-4o
OPENAI_BASE_URL=https://api.openai.com/v1
# 阿里云 DashScope（可选）
# DASHSCOPE_API_KEY=sk-your-key-here
# DASHSCOPE_MODEL=qwen-plus
# DASHSCOPE_BASE_URL=https://dashscope.aliyuncs.com/compatible-mode/v1