# OpenAI API配置
OPENAI_API_KEY=your_openai_api_key_here

# Azure语音服务配置
AZURE_SPEECH_KEY=your_azure_speech_key_here
AZURE_SPEECH_REGION=eastus

# ElevenLabs语音服务配置
ELEVENLABS_API_KEY=your_elevenlabs_api_key_here

# Google Cloud配置（可选）
# GOOGLE_APPLICATION_CREDENTIALS=path/to/service-account-key.json

# 其他配置
# LOG_LEVEL=INFO
# MAX_CONCURRENT_REQUESTS=5