DATABASE_URL=sqlite:///./test.db
SECRET_KEY=your_secret_key
DEBUG=True

ANALYSIS_SERVICE_URL=http://127.0.0.1:3030
ANALYSIS_AUTH_TOKEN=replace-with-fastgpt-api-key
APP_ID=replace-with-fastgpt-app-id

# Voice demo (Pipecat /ws-product). Relative to project root, or an absolute path.
VOICE_CONFIG=config/voice.json

# LangGraph chat backend + LLM provider (作业 2/4)
# AGENT_BACKEND=langgraph
# AGENT_LLM_PROVIDER=openai
# LLM_BASE_URL=https://api.openai.com/v1
# LLM_API_KEY=replace-with-llm-api-key
# LLM_MODEL=gpt-4o-mini
# LLM_TIMEOUT_SECONDS=30
# LLM_MAX_RETRIES=2