APP_NAME=agentic-project-starter APP_ENVIRONMENT=local APP_HOST=0.0.0.0 APP_PORT=8000 LOG_LEVEL=INFO OPENAI_API_KEY= OPENAI_MODEL=gpt-5 OPENAI_DEFAULT_AGENT=coordinator OPENAI_ENABLE_TRACING=true CHATKIT_DOMAIN_KEY=local-dev STORAGE_URI=file://./var/data ETL_DEFAULT_DATASET=demo-dataset OTEL_EXPORTER_OTLP_ENDPOINT=