{"message":"Mantle RAG API Server","version":"1.0.0","backend":"Backend/Backend (NEW)","endpoints":{"chat":"/chat","health":"/health","db_health":"/db/health","test_backend":"/test/backend-version","instructions":"/instructions","logs_enhanced":"/logs/enhanced","logs_stats":"/logs/enhanced/stats","stats_interactions":"/stats/interactions","stats_user":"/stats/user/{user_identifier}","stats_recent":"/stats/recent","graph_cypher":"/graph/cypher (DEBUG only)","graph_schema":"/graph/schema (DEBUG only)"}}