- Fix Printify options parsing (Color/Size were swapped)
- Add extract_option_types/1 for frontend display with hex colors
- Filter option types to only published variants (not full catalog)
- Track selected variant in LiveView with price updates
- Color swatches for color-type options, text buttons for size
- Disable unavailable combinations
- Add startup recovery for stale sync status
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>