Major fixes:
- Fix PEN data encoding to properly mark color changes and end markers
- COLOR_END (0x03) for intermediate color blocks
- DATA_END (0x05) for the final stitch only
- Machine now correctly reads total stitch count across all color blocks
- Reset uploadProgress when pattern is deleted to re-enable upload button
- Allow pattern deletion during WAITING states
- Allow pattern upload in COMPLETE states
- Fix pattern state tracking to reset when patternInfo is null
UI improvements:
- Integrate workflow stepper into compact header
- Change app title to "SKiTCH Controller"
- Reduce header size from ~200px to ~70px
- Make Sewing Progress section more compact with two-column layout
- Replace emojis with Heroicons throughout
- Reorganize action buttons with better visual hierarchy
- Add cursor-pointer to all buttons for better UX
- Fix cached pattern not showing info in Pattern File box
- Remove duplicate status messages (keep only state visual indicator)
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
