- Create new help module with HelpModal, KeyboardShortcutsPanel, and SyntaxHelpPanel components
- Add common shortcuts and syntax constants for reusability
- Refactor InputBarHelpModal to use new HelpModal component
- Fix ContextMenu event handling with stopPropagation and pointer-events
- Fix Modal z-index for proper stacking context
- Add CalendarHeaderContextMenu import to WeekView
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
