- BatchController with count() and process() AJAX endpoints
- Chunked processing (50 articles per request) to avoid PHP timeouts
- LEFT JOIN query to find articles without existing OG records
- Auto-extracts og_title from article title, og_description from
metadesc or introtext (160 char), og_image from article images JSON
- Also populates meta_description from article metadesc
- Progress bar UI in admin tag list with real-time updates
- "Batch Generate" toolbar button in Tags view
- Auto-reloads page after completion
Authored-by: Moko Consulting
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>