# SMTP Configuration for Email Verification
SMTP_HOST=smtp.qq.com
SMTP_PORT=465
SMTP_USER=your_qq_email@qq.com
SMTP_PASSWORD=your_16_digit_auth_code

# Frontend URL for the verification link
FRONTEND_URL=http://localhost:5173

# Tracing Toggle
# Set to true to enable telemetry/tracing (Langfuse, OTEL, etc.). Defaults to false.
ENABLE_TRACING=false
# Langfuse Observability (self-hosted/local)
LANGFUSE_PUBLIC_KEY=pk-lf-your-public-key
LANGFUSE_SECRET_KEY=sk-lf-your-secret-key
LANGFUSE_BASE_URL=http://localhost:3000