- Added HighlightSyncManager and highlight state management to BibleReaderApp - Implemented highlight handlers: add, update color, remove, and sync - Connected highlight state from BibleReaderApp to VersDetailsPanel - Updated VersDetailsPanel to pass highlight props to HighlightsTab - Added auto-sync initialization with 30-second interval - Prepared for Phase 2.1B API integration 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>