{"service":"gateway","gateway_profile":"becca","gateway_build_stamp":"2026-06-02-v3.0-s9-s15-pre-flag","health":"/api/health","openapi":"/openapi.json","docs":"/docs","home":"/home","env_hint":"VITE_*_API_BASE_URL must be origin only (no /api suffix); clients append /api/chat themselves."}