SessionInfoDto

{
    "sessionId": "session-uuid-123",
    "userId": "user-uuid-456",
    "accessType": "admin",
    "expiresIn": 86400,
    "impersonatedBy": {
        "adminUserId": "550e8400-e29b-41d4-a716-446655440000",
        "adminSessionId": "admin-session-uuid"
    }
}