- Nest admin header inside post-header-child (layouts.py/helpers.py) so
full-page DOM matches OOB swap structure, eliminating duplicate headers
- Clear post-header-child on post layout OOB to remove stale admin rows
- Read SX initial content from #sx-content-input instead of
window.__SX_INITIAL__ to avoid escaping issues through SX pipeline
- Fix client-side SX parser RE_STRING to handle escaped newlines
- Clear root element in SxEditor.mount() to prevent double content on
HTMX re-mount
- Remove unused ~blog-editor-sx-initial component
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- sx-editor prints version on init: [sx-editor] v2026-03-02b-exorcism
- Add Markdown to card insert menu with /markdown and /md slash commands
- Add YouTube, X/Twitter, Vimeo, Spotify, CodePen as dedicated embed
menu items with brand icons (all create ~kg-embed cards)
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Add shared/sx/html_to_sx.py (HTMLParser-based HTML→sx converter) and
update lexical_to_sx.py so HTML cards, markdown cards, and captions all
produce native sx expressions instead of opaque HTML strings.
- ~kg-html now wraps native sx children (editor can identify the block)
- New ~kg-md component for markdown card blocks
- Captions are sx expressions, not escaped HTML strings
- kg_cards.sx: replace (raw! caption) with direct caption rendering
- sx-editor.js: htmlToSx() via DOMParser, serializeInline for captions,
_childrenSx for ~kg-html/~kg-md, new kg-md edit UI
- Migration script (blog/scripts/migrate_sx_html.py) to re-convert
stored sx_content from lexical source
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Pure s-expression block editor replacing React/Koenig: single hover + button,
slash commands, full card edit modes (image/gallery/video/audio/file/embed/
bookmark/callout/toggle/button/HTML/code), inline format toolbar, keyboard
shortcuts, drag-drop uploads, oEmbed/bookmark metadata fetching.
Includes lexical_to_sx converter for backfilling existing posts, KG card
components matching Ghost's card CSS, migration for sx_content column, and
31 converter tests.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
