# Mock is deterministic and does not call an external model. LLM_MODE=mock # Configure these on the server only when LLM_MODE=real. OPENAI_API_KEY= OPENAI_BASE_URL=https://api.openai.com/v1 OPENAI_MODEL= LLM_TIMEOUT_SECONDS=45 CORS_ORIGINS=http://localhost:5173,http://127.0.0.1:5173