- add optional `categoryIcon` flag to icon metadata helper in add-remove.js and business.js
- mark Add01Icon and ChartLineData01Icon as category representative icons
- use categoryIcon flag in IconsPage to display the most representative icon per category
- add `cursor-pointer` to category sidebar buttons and widen sidebar from 200px to 250px
- add `src/shared/icons/business.js` with new business-related icons
- move `Wallet03Icon` from `index.js` to `business.js`
- update `index.js` to export icons from business module
- add shift+click to copy JSX snippet in icons devkit page
- update icon button tooltip to hint shift shortcut
- document apostrophe escaping rule in icons README
- store first icon reference alongside count in category map
- add hasSidebar flag to conditionally adjust layout classes
- make sidebar full-width on mobile with horizontal scrolling category list
- reduce icon size and spacing to accommodate sidebar presence
- adjust grid columns breakpoints when sidebar is visible
- add category sidebar with icon counts derived from Icon.category metadata
- extend search to match icon keywords via Icon.keywords array
- add AddRemoveIcon to shared icons with category and keywords metadata
- add icons README documenting category and keywords conventions
- increase grid columns across breakpoints including md, 2xl, and custom 16-col
- add aspect-square and justify-center to icon cards for uniform sizing
- update card style with solid border and background instead of transparent hover-only
- enlarge icon size from w-5/h-5 to w-7/h-7 and set color to white
- add full-width and padding to icon label for better text containment
- add `ZEN_DEVKIT` env variable to enable/disable devkit
- add `isDevkitEnabled()` utility and export it from public api
- register devkit nav section and items conditionally when devkit is enabled
- add devkit route handling in admin page client and server
- add DevkitPage, ComponentsPage, and IconsPage client components