- Fix line break preservation with proper HardBreak extension configuration
- Add text alignment support (left, center, right, justify) for paragraphs and headings
- Add H4-H6 heading support with keyboard shortcuts
- Add code block support with syntax highlighting for multiple languages
- Enhance preview functionality with split-pane view (Edit/Preview/Split modes)
- Add custom prose CSS overrides for proper content rendering
- Update DOMPurify configuration to preserve br tags and text alignment
- Add visual indicators and help modal with all keyboard shortcuts
- Improve toolbar organization with grouped buttons and separators
- Add auto-save status indicator and word/character count
Fixes issues with:
- Line breaks not showing in gallery view
- Limited heading options (only H1-H3)
- No text formatting capabilities
- Missing preview functionality
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
