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/sync-image-paths.js

@@ -1,6 +1,6 @@
 /**
  * Align painting image_path / thumbnail_path with files on disk and import missing rows.
- * Run: npm run sync-image-paths
+ * Run: npm run dev:sync-image-paths
  * Flags: --dry-run (report only, no DB writes)
  */
 require('dotenv').config();