- Add library_id parameter to BuildSections and getViewAllURL functions
- Update dashboard handler to pass libraryID when building sections
- Add library_id query param support to collection detail page handler
- When library_id is provided, filter collection items by that library
- When no library_id, show all books (backward compatible)
- Reuses GetCollectionItemsForDashboard query for filtered results
- Preserves context when navigating from dashboard to collection detail