Highlights:
- Real recent activity pipeline across auth/quiz/coding/course/admin status flows
- Dashboard recent activity now consumes real backend data with UTC timestamps
- Identity resolution improved across wallet/email/ObjectId for activity correlation
- Added traditional quiz submit endpoint and persisted quiz results/activity
- Added fallback ingestion from authenticated security logs for recent activity
- Admin logs now include request/response/usage metadata and improved detail modal
- Added custom error pages for 401, 403, and 404
- UI action fixes for dashboard settings/view-all and logs detail UX
- Multiple backend/frontend reliability and monitoring hardening updates