{"status":"healthy","service":"Educational RAG System","version":"3.0.0","timestamp":"2026-04-16T09:20:14.676406","modes":["fast","expert"],"components":{"database":{"status":"healthy","connection_pool_size":50,"message":"PostgreSQL + pgvector operational"},"redis_cache":{"status":"healthy","connections":738,"commands_processed":11550,"message":"Redis operational"},"openai_api":{"status":"healthy","embedding_model":"text-embedding-3-small","llm_model":"gpt-4o-mini","message":"OpenAI API operational"},"moderation":{"status":"healthy","model":"omni-moderation-latest","enabled":true,"message":"Moderation service operational"}},"response_time_ms":2799}