building a full-stack education/center management web app for a training center (students, parents, teachers, and admins). Key features Multi-role accounts: Admin / Teacher / Parent / Student dashboards with role-based access. Admin panel: Manage users, teachers, groups/classes, enrollments, subscription plans, and approvals. Scheduling: Weekly calendar view, recurring schedules, and timetable management. Attendance: Group attendance tracking with history and reporting. Course materials: Upload and manage materials (docs/images), with material types and access