- Add missing --border CSS variable for light and dark mode
- Add border color to Tailwind config using hsl(var(--border))
- Fix import paths in sidebar.tsx (@/hooks/ instead of @/components/hooks/)
- Fix import path in toaster.tsx (@/hooks/ instead of @/components/hooks/)
These fixes ensure npm run dev / npm run build work out of the box.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>