- Install @nuxt/ui and integrate with existing Vuetify
- Create new layouts/dashboard-unified.vue with modern sidebar design
- Features: clean white design, collapsible sidebar, role-based navigation
- Remove old layouts/dashboard.vue to eliminate dual-sidebar confusion
- Update all dashboard pages to use dashboard-unified layout
- Add demo page showcasing new sidebar features
- Fix auth error handler to ignore external service 401 errors
- Ensure consistent navigation experience across entire platform
