Add influence rework, image checkup, debug mode, and fetched paintings.

Support artist and movement influence links with web discovery, a developer checkup table with gallery/detail thumbnails, and debug image search with fix-it workflow.

Co-authored-by: Cursor <cursoragent@cursor.com>

package.json

@@ -16,6 +16,8 @@
     "audit-painting-images": "node scripts/audit-painting-images.js",
     "expand-catalog": "node scripts/expand-paintings.js",
     "update-influences": "node scripts/update-influences.js",
+    "migrate:influence-sources": "node scripts/migrate-influence-sources.js",
+    "discover-influences": "node scripts/update-influences.js --discover-only",
     "server": "node server/index.js",
     "dev:server": "nodemon server/index.js",
     "dev:client": "npm run dev --prefix client",