- api: /chat route runs runAgent (session-required, 503 when unconfigured) - api: index.ts builds OpenRouterLlmClient + WpRestExecutor from env; loads .env - web: useChat calls /chat with mock fallback; proxy /chat+/sites+/health - .env.example: DATABASE_URL empty by default (in-memory dev) - 111 unit tests green; smoke-tested signup+chat
