Rename npm scripts to environment-prefixed names (dev:/prod:/devtoprod:/prodto:dev:/infra:).

Align package.json scripts and their references across scripts/, infra/, and db/ SQL with the dev-first workflow naming scheme.

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

scripts/fetch-artist-images.js

@@ -1,6 +1,6 @@
 /**
  * Download artist portrait images from Wikipedia (and fallbacks) into data/images/portraits/.
- * Run: npm run fetch-artist-images
+ * Run: npm run dev:fetch-artist-images
  * Flags: --force (re-fetch even when portrait_path is set), --limit=N
  */
 require('dotenv').config();