{"message":"Welcome to AERA Medical AI - Differential Diagnosis Platform!","version":"1.0.0","status":"Server running successfully","endpoints":{"health":"/health","healthSimple":"/health/simple","apiStatus":"/api/status","testProtected":"/test/protected","testOptional":"/test/optional","testRefresh":"/test/refresh"},"features":["Advanced database connection pooling","Simple database health checks","Medical AI diagnostic platform","JWT authentication with refresh tokens","Real-time performance metrics"]}