- 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
- import `notionJsonToBlocks` in `Block.client.js` and prioritize `text/_notion-blocks-v3-production` mime over `text/html` on paste
- implement `notionJsonToBlocks` and `notionValueToBlock` in `clipboard.js` to convert notion block json to editor blocks, preserving native types (`to_do`, `sub_sub_header`, etc.)
- update README to document the notion mime priority in paste handling
- detect `to-do-list` (Notion) and `task-list` (GitHub MD) classes as checklist containers
- handle notion `<div class="checkbox-on/off">` as checkbox indicator in list items
- update README to document newly recognized HTML tags for checklist input
- add refs for submenu trigger and panel elements
- compute available space above/below using getBoundingClientRect
- dynamically set submenu side to avoid overflow outside viewport
- add RepeatIcon component to shared icons index
- import and display RepeatIcon in the transform menu item of BlockActionsMenu
- remove maxHeight constraint and overflow-y-auto from actions menu panel
- introduce `useDropdownPlacement` hook to compute above/below positioning based on available viewport space
- apply dynamic `maxHeight` and position class to `BlockInsertMenu` and `BlockActionsMenu` panels
- attach `triggerRef` to menu trigger buttons for accurate anchor rect calculation
- use `useLayoutEffect` to avoid layout flicker on open
- initialize position state with a `bottom` field set to null
- use `bottom` css property instead of `top` when menu flips above the anchor to prevent floating when content shrinks on query filtering
- remove `items.length` from layout effect dependencies since repositioning on item count change caused the flipping issue
- build `positionStyle` object conditionally based on whether `bottom` is set
- introduce `BlockInsertMenu` dropdown to insert a new block after the current one
- extract `TYPE_ICON_BOX_CLASS` constant shared between insert menu and transform menu
- align `BlockActionsMenu` transform list item padding/gap to match new insert menu style
- update README to document the new insert menu behaviour and enabled blocks filtering
- remove Headless UI Menu and Fragment imports, unused TextIcon import
- implement manual BlockActionsMenu component to avoid pointerdown-triggered open interfering with drag start
- open dropdown only on click after checking justDragged flag
- handle outside click and Escape key for closing
- migrate submenu hover logic from BlockMenuTransformItem into new component
- add `BlockMenuTransformItem` component with hover-triggered submenu panel
- import `ArrowRight01Icon` and `TextIcon` icons for transform UI
- track drag state via `justDraggedRef` to prevent menu opening after drag
- expose `close` from `<Menu>` render prop to allow manual close on transform select
- wire transform options from block registry into the new submenu item
- add context menu on drag handle with transform, duplicate and delete actions
- introduce `MenuOpenSync` helper to keep handle visible while menu is open
- pass `onTransformBlock`, `onDuplicateBlock`, `onDeleteBlock` and `enabledBlocks` props to Block
- compute `transformOptions` via `useMemo` filtering allowed text block types
- update BlockEditor to wire new block action handlers down to each Block
- update README to document new block action props and menu behavior
- add clipboard.js with htmlToBlocks, blocksToHtml, and blocksToPlainText helpers
- handle single-paragraph html paste as inline splice preserving block type
- handle multi-block html paste by splitting current block and merging head/tail paragraphs
- add onPasteInline and onPasteBlocks props to Block component
- implement handlePasteInline and handlePasteBlocks in BlockEditor
- fallback to plain text insertion when html is absent or yields no blocks
- update README to document clipboard behaviour and new paste handlers
- add `handleFocus` in Block to reopen slash menu on focus if content starts with `/`
- add `outerRef` on editor root div to detect outside clicks
- add `useEffect` with document `mousedown` listener to close slash menu when clicking outside the editor or on a different block
- add `data-slash-menu` attribute on SlashMenu to exclude it from the close trigger
- replace `getCaretOffset` with `countCharsUpTo` to treat `<br>` as 1 char
- rewrite `locateOffset` to walk dom tree and account for `<br>` nodes
- add `textLength` helper to compute model-consistent node length
- update `getCaretOffset` and `getCaretRange` to use new counting logic