- add LinkPopover.client.js component for creating, editing, and removing links
- replace autoOpenLink ref-based approach with dedicated linkPopover state
- import and integrate removeMark utility in BlockEditor
- wire up handleLinkPopoverSet and handleLinkPopoverRemove handlers
- open link popover on link click instead of expanding caret range
- close link popover on mousedown outside popover and toolbar
- refactor InlineToolbar to delegate link editing to linkPopover
- add `linkRangeAt` import to detect link span under caret
- handle `mouseup` on container to detect collapsed click inside a link mark
- set `autoOpenLink` flag via ref and expand selection to full link range
- pass `autoOpenLink` to toolbar state and use `initialPopover='link'` prop
- initialize toolbar popover state from `initialPopover` prop
- pre-fill link url and new-tab from existing mark when `initialPopover` is set
- add `linkRangeAt` helper in `types.js` to find enclosing link range at offset
- add `setMark` helper in `types.js` that removes then applies a mark, replacing existing marks of the same type without toggling
- expose `applySetMark` in `BlockEditor.client.js` and pass it as `onSetMark` prop to `InlineToolbar`
- switch `handleLinkSubmit` in `Toolbar.client.js` to use `onSetMark` instead of `onToggleMark` so re-submitting a link always applies the new href
- swap `<form>` wrapper for `<div>` to avoid native form submission
- add `onKeyDown` handler on input to trigger submit on Enter key
- change button type from `submit` to `button` with explicit `onClick` handler
- accept `minHeight` as number (converted to px) or css string value
- apply inline style on container when prop is defined
- document new prop in README
- add `@source` directive in zen.css to auto-scan `@zen/module-*/dist/**/*.js`
- document tailwind class auto-discovery mechanism for modules in MODULES.md
- 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
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