{"service":"Research Library API","version":"2.1.1","docs":"/docs","endpoints":["POST /v1/library/fetch","POST /v1/library/batch","GET  /v1/library/doi/{doi}","GET  /v1/library/search?q=...","GET  /v1/library/stats","GET  /v1/articles/{id} | /pdf | /text","GET  /health"]}