{"service": "TSARA Booklet Engine", "version": "0.4", "modes": ["tourism", "medical"], "languages": ["en", "tr", "de", "ar", "ru", "nl", "id"], "endpoints": ["GET /health (public)", "POST /render (auth+rate)", "GET /pdf/<folder> (auth)"], "auth": "x-api-key header required for /render and /pdf", "rate_limits": "5/min, 30/hour, 100/day per IP"}