{"service":"RAG Knowledge Base","version":"1.0.0","status":"operational","endpoints":{"health":"/health","stats":"/stats","query":"POST /query","ingest_file":"POST /ingest/files","ingest_text":"POST /ingest/text","ingest_url":"POST /ingest/urls","documents":"GET /documents","delete":"DELETE /documents/{id}","reindex":"POST /ingest/reindex/{id}"},"authentication":"Bearer token required for /query and /ingest endpoints"}