- Add sharing indicator to ListCard showing collaborator count
- Add permission badge and share button to ListDetailView
- Disable editing in ItemForm for viewers with visual feedback
- Add permission checks to item detail and edit pages
- Hide edit/delete buttons for viewers on item detail page
- Pass permission and collaborator data through component hierarchy
- Update navigation to include profile and invitations links (already done in previous tasks)
Implements task 15 from user-auth-and-sharing spec
Paul Bailey
54612a4782