# DashScope API Key (阿里云 Qwen)
DASHSCOPE_API_KEY=sk-your-dashscope-key-here

# OpenAI API Key
OPENAI_API_KEY=sk-your-openai-key-here

# Anthropic API Key (Claude)
ANTHROPIC_API_KEY=sk-ant-your-anthropic-key-here

# Google API Key (Gemini)
GEMINI_API_KEY=your-gemini-key-here

# Ollama (本地模型，不需要 API Key)
# OLLAMA_HOST=http://localhost:11434

# 可选：自定义路由阈值
# ROUTE_SIMPLE_THRESHOLD=100
# ROUTE_MEDIUM_THRESHOLD=500