{"success":true,"message":"AI Content Generator API - RAG Architecture","status":"OK","timestamp":"2026-04-17T10:07:56.497Z","version":"3.1.0","environment":"production","memory":{"heapUsed":"55MB","heapTotal":"60MB","rss":"118MB"},"features":["RAG Search","AI Article Generation","Fact Extraction","Redis Caching","Winston Logging","Input Validation","Error Handling"],"architecture":"RAG-only (Enhanced)","endpoints":{"health":"/health","healthDetailed":"/health/detailed","ragSearch":"POST /api/rag/search","ragGenerate":"POST /api/rag/generate","ragHistory":"GET /api/rag/history/*","headlinesSearch":"POST /v1/headlines/search","headlinesOptions":"GET /v1/headlines/options","aiModels":"GET /api/ai-models"}}