- Show real avatar, full name, email from useAuthContext
- Fetch GET /subscriptions/subscriptions/active/ on mount
- Display subscription plan name (label: success=active, warning=trial, default=none)
- Show end date + days left text
- LinearProgress bar showing days remaining (red <20%, yellow <50%, green otherwise)
- Trial subscription displayed as 'Пробный: <plan>'
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- Homework: kanban view with columns (pending/submitted/returned/reviewed/fill_later/ai_draft), details drawer with submission list for mentor, submit drawer for client, edit draft drawer; full AI-grade support
- Materials: grid view with image preview, upload and delete dialogs
- Students: mentor view with student list + pending requests + invite by email/code; client view with mentors list + incoming invitations + send request by mentor code
- Notifications: full page + NotificationsDrawer in header connected to real API (mark read, delete, mark all)
- New API utils: homework-api.js, materials-api.js, students-api.js, notifications-api.js
- Added routes: /dashboard/homework, /dashboard/materials, /dashboard/students, /dashboard/notifications
- Updated navigation config with new items
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>