feat(catalog): add saved packages, preview and bulk price editing

docs/cms-upgrade-2026-09.md

@@ -46,3 +46,38 @@ Local verification on 2026-09-09:
 - Deployment rollback, verified-digest publication, ownership/cancellation and concurrent news edit behavior have focused regression tests.
 
 Docker runtime, database migration execution and authenticated browser flows still require an integration environment. Check the Gitea pipeline and live release identifier after publication. A successful local build is not production verification.
+
+
+## Catalog packages
+
+The normal catalog toolbar now opens a dedicated Catalog packages dialog.
+Create a named draft from selected categories and their descendants, either to
+update those categories or copy them under a chosen parent. Drafts are shared
+with authorized staff; saving a draft does not modify the live catalog.
+
+Edit category metadata and offer prices, or review bulk price changes before
+applying them to the draft. The catalog preview supports category navigation,
+search, real local furniture icons and rank/Club/VIP access simulation. It does
+not render the game client or evaluate ancestors outside the selected package;
+special layouts and that access limitation are disclosed in the preview.
+
+Publication requires a saved draft and a fresh review. Concurrent source changes
+block publication; version checks prevent one editor overwriting another.
+Copying preserves the underlying category and offer fields and remaps internal
+references while retaining furniture IDs and assets. The catalog writes and
+published result are committed together; retrying the same published package
+does not copy it again. Failures in hotel notifications, audit or Git export
+scheduling after commit are reported as warnings rather than failed publication.
+
+Apply additive migration `0027_catalog_packages.sql` before opening this tool.
+Existing migration automation discovers the file. Limits are 200 categories,
+500 offers and 8 MB of package data. Package source checks inspect at most 20,000
+catalog categories. Publication briefly locks category rows while validating and
+writing changes, so large live catalogs should be checked under realistic load.
+English, Italian and Dutch copy is provided; other locales use the new English
+strings pending translation. No new dependency is required.
+
+Validation: 1,506 tests passed (six skipped), type checking, lint, translation
+contracts and a production build with fixture configuration. A browser fixture
+verified the real dialog at 1280 and 390 pixels; server actions were simulated.
+The new database migration and package publication have not run in production.