- add align (left/center/right/full), href, newTab fields to image block
- render floating toolbar on image hover with alignment buttons and link popover
- add replace and delete actions to image toolbar
- wrap image in <a> in disabled mode and HTML export when href is set
- update htmlToBlocks/blocksToHtml to serialize/parse align, href, newTab
- guard handleContainerMouseDown to prevent multi-block selection on input/textarea focus
- add alignment and link icons to shared icons index
- update README with image block spec and toolbar behaviour
- remove form element and onSubmit in favor of a plain div
- add handleKeyDown to trigger submit on Enter key press
- attach onClick handler directly to the insert button with type="button"
- remove timer-based submenu close logic (scheduleSubmenuClose, cancelSubmenuClose, submenuTimerRef) from BlockActionsMenu
- replace onMouseEnter/onMouseLeave handlers with onClick toggle on submenu trigger
- remove SUBMENU_CLOSE_DELAY constant and hover handlers from inline Toolbar submenus
- update README to reflect click-to-open/close-on-outside-click behavior for all submenus
- keep toolbar visible when focus moves to an element inside `[data-inline-toolbar]`
- unpin toolbar on cleanup when submenu closes to avoid stale pinned state
- add `menuStyles.js` with reusable `BOX_CLASS`, `ITEM_CLASS`, `ITEM_DANGER_CLASS`, and `SEPARATOR_CLASS` constants
- replace inline tailwind strings in `Block.client.js` with imported style constants
- update `BlockEditor.client.js`, `LinkPopover.client.js`, and `Toolbar.client.js` to use shared menu styles
- update `README.md` to document the new `menuStyles.js` file
- 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
- 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
- add `removeAllMarks` function to inline/types.js
- implement `applyRemoveAllMarks` handler in BlockEditor client
- add `TextClearIcon` button with separator in Toolbar component
- expose `onClearMarks` prop on InlineToolbar
- update README to document new clear formatting action
- remove unused `placeholder` prop from BlockEditor component
- add `block-editor--sole-empty` class when editor has a single empty block
- show placeholder via opacity transition instead of content injection
- always render `attr(data-placeholder)` content, toggle visibility with opacity
- add 150ms ease transition for smooth placeholder fade in/out
- show placeholder when block is focused, hovered, or editor is sole-empty
- add `onSelectBlock` prop to Block component wired to drag handle click
- implement `selectBlock` function in BlockEditor to select a single block and clear text selection
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