{"message":"Prospero Backend API is running","version":"3.0.0-mvp","features":["Golden Dataset Management","Automated LLM Judge Evaluation","Comprehensive Cost Tracking","Performance Monitoring","Execution Tracing","Continuous Learning & Optimization","Adaptive Model Selection","Automated Prompt Improvement","Real-time Quality Gates","Dataset Curation","Complete Audit Trails","Access Control & Permissions","Approval Workflows"]}