- Add prominent view mode switcher with List/Grid toggle buttons
- Improve filter sidebar CSS with modern styling, rounded corners
- Add live progress bar for in-progress snapshots showing hooks status
- Show plugin icons only when output directory has content
- Display archive result output_size sum from new field
- Show hooks succeeded/total count in size column
- Add get_progress_stats() method to Snapshot model
- Add CSS for progress spinner and status badges
- Update grid view template with progress indicator for archiving cards
- Add tests for admin views, search, and progress stats
