- Replace "No data" / "No sessions" / "No tools" terse text with EmptyState
components (FileText, Wrench, CalendarDays icons)
- Add Skeleton placeholders for header, chart, and grid during loading
- Replace raw <input> elements in edit mode with shared Input component
- Replace raw save/cancel buttons in edit mode with Button component
- Upgrade summarize button touch target from h-6/w-6 to h-8/w-8
- Add focus-visible rings on interactive buttons and links
- Use space-y-8 between top-level sections, space-y-2 for label+input pairs
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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