- Move cache folder completeness check to CacheHelper utility
- Replace Width with RightOffset in screenshot crop config
- Add startup cleanup to remove incomplete cache folders
- Validate cache folders before use in BomRadarService
- Track active cache folders being written to prevent returning incomplete data
- Add cache state fields to RadarResponse (CacheIsValid, CacheExpiresAt, IsUpdating, NextUpdateTime)
- Detect active updates before acquiring semaphore for better performance
- Prevent duplicate cache updates when one is already in progress
- Clean up empty cache folders created but not used
- Capture all 7 radar frames (0-6) instead of single screenshot
- Store frames in folder-based cache structure with metadata
- Extract and store minutesAgo for each frame from page display
- Add configurable screenshot cropping (default: 200px left/right)
- Fix step numbering to use whole numbers (1-22)
- Add scrubber position verification before frame capture
- Handle modal overlay blocking step forward button clicks
- Only create debug folders when scraping is actually needed
- Update API endpoints to return JSON with frame URLs
- Add separate endpoints for individual frame images
alex