Extends the debug panel on painting detail and artist bio with a 20-result search picker, local image upload, and clear-to-empty-frame workflow, plus API routes, artist checkup migration, and documentation.
Co-authored-by: Cursor <cursoragent@cursor.com>
Timeline: era and historical-event click-to-zoom, event markers from historical-events.ts. Movement flow: shared zoom/pan, viewport-fit layout, curved lineage streams, hover-to-reveal artist lifespans on stacked lanes. Docs updated. Includes batch-fetched paintings and regenerated thumbs.
Co-authored-by: Cursor <cursoragent@cursor.com>
