feat(ui): semantic tokens in admin views (audit logs, users, dashboard)
- AdminAuditLogsView: border/divide/bg white/5 → border-border, bg-muted/*
- AdminSettingsView: toggle indicators bg-white → bg-background
- AdminUsersView: glass cards, table, pagination → border-border, bg-muted/*
- UserTableRow: text-white → text-foreground, hover states → muted/50
- AdminDashboardHeader: text-white, divider, button → foreground/border/muted
- AdminDashboardTabs: tabs list, cards, table → semantic tokens
- AdminDashboardTabs: remove unused React import
Co-authored-by: Cursor <cursoragent@cursor.com>
928585eacb