{"message":"Welcome to Legal RAG API","version":"2.1.0","optimizations":["Singleton Weaviate connections across workers","Intelligent file_id caching with TTL","Optimized search avoiding full ID enumeration","Automatic cache invalidation on document changes"],"features":["User authorization via external APIs","Personal chat history","Document analysis with user tracking","Citizen appeals processing","Legal consultations with context"],"docs_url":"/docs","authorization":"Required for most endpoints"}