feat(admin-dashboard): add usage dashboard and improve admin insights#48
Merged
KerwinTsaiii merged 9 commits intodevelopfrom Apr 1, 2026
Merged
feat(admin-dashboard): add usage dashboard and improve admin insights#48KerwinTsaiii merged 9 commits intodevelopfrom
KerwinTsaiii merged 9 commits intodevelopfrom
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- Add Dashboard page to Admin UI with Recharts line/pie charts and Bootstrap table showing daily usage, resource distribution, and top users ranking - Add Tailwind v4 with tw: prefix to Admin UI for modern card layouts without conflicting with Bootstrap 5 - Add NavBar component shared across Users/Groups/Dashboard pages - Add shared TypeScript types and API helpers for stats endpoints - Add three stats API handlers: overview, usage time series, distribution breakdown - Decouple UsageSession writes from quota system: sessions are now always recorded regardless of quota_enabled, so all deployments get dashboard data by default
- New Dashboard page: date range picker, usage trend chart (daily/weekly), course usage ranking with avg session duration, top users table - Active Now panel: SSE-based live feed of running sessions (5s refresh) - NavBar: unified tab navigation across Users/Groups/Dashboard pages; removed redundant 'Manage Groups' / 'Back to Users' buttons - stats_handlers: add StatsActiveSSEHandler, avg_minutes in distribution, ActiveSession type; remove redundant REST active endpoint - spawner stop(): fallback session recovery when usage_session_id lost after Hub restart (finds active DB session by username) - dark mode: use Bootstrap semantic classes instead of Tailwind dark variant
…dless of quota_enabled
…ion times - Backend StatsHourlyHandler accepts tz_offset (minutes ahead of UTC) and applies SQLite datetime offset before extracting hour, so the distribution reflects the viewer's local time instead of server UTC - Frontend getHourlyDistribution sends tz_offset derived from new Date().getTimezoneOffset() (negated to get offset from UTC) - Active session start_time is now parsed as UTC and displayed in the browser's local timezone using toLocaleString()
- store accelerator display labels alongside session data so stats APIs surface both course and accelerator names - extend shared stats types to expose `accelerator_display` - update admin dashboard tables and user detail modal to render friendly course + accelerator labels with fallbacks The change ensures admins always see which course and accelerator a user is consuming, even while quota tracking still keys sessions by accelerator.
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Summary
Add an Admin Usage Dashboard to provide visibility into platform activity, sessions, and course usage.
The dashboard aggregates real-time and historical metrics to help administrators monitor system usage and identify potential issues.
Key capabilities include:
Features
Improvements
QuotaManagerso session tracking works even when quotas are disabledTest plan
Jira: AUPPM-16