✨ Added
- Dashboard: 5 new widgets — category distribution doughnut, weekly activity bar chart, series overview, CMS overview, SEO checklist
- Dashboard: widget picker in Settings → Dashboard to enable/disable widgets
- Dashboard: edit action on recent posts table to open post editor
- Dashboard: column toggling and filters (status, category, date range) on recent posts table
- Dashboard: reading time column on recent posts table
🎨 Changed
- Dashboard: improve layout with variable column spans (BlogPostsChart 2/3, BlogReadingStats 1/3, ScheduledPosts 1/2)
- Dashboard: BlogStatsOverview shows 8 stats (added series, CMS pages), cached 5 min, displayed 4 per row
- Dashboard: BlogPostsChart shows both created and published series with separate colors
- Dashboard: BlogReadingStats now cached 5 min, labels shortened
- Dashboard: Scheduled Posts heading shows live count
- Dashboard: compact stat cards with 4 columns per row
🔥 Removed
- Dashboard: remove QuickVisitSite widget (redundant with left nav "View Website" link)
🐛 Fixed
- PHPStan: raise analysis level from 5 to 9, regenerate baseline