{"message":"🎓 RAI v2 Backend API","version":"2.0.0","status":"running","documentation":"/api-docs","endpoints":{"auth":"/api/auth","admin":"/api/admin","students":"/api/students","professors":"/api/professors","hr":"/api/hr","ai":"/api/ai"},"features":["Multi-role authentication","Educational platform","AI integration (Gemini)","HR management","Real-time notifications","Comprehensive analytics"]}