feat(admin): items_base browser and AdminPageShell on core pages

Co-authored-by: Cursor <[email protected]>

src/lib/admin-operations-contract.test.ts

@@ -40,6 +40,8 @@ const ROUTES: Array<[string, string]> = [
 	["housekeeping", "PERMS.SETTINGS_VIEW"],
 	["logs", "PERMS.LOGS_VIEW"],
 	["catalog", "PERMS.CATALOG_VIEW"],
+	["items", "PERMS.CATALOG_VIEW"],
+	["items/[id]", "PERMS.CATALOG_VIEW"],
 	["rooms/edit/[id]", "PERMS.ROOMS_EDIT"],
 ];
 
@@ -64,6 +66,7 @@ const ACTION_GATES: Array<[string, string]> = [
 	["admin-shop.ts", "PERMS.SHOP_EDIT"],
 	["admin-radio-autodj.ts", "PERMS.RADIO_EDIT"],
 	["catalog.ts", "PERMS.CATALOG_EDIT"],
+	["items-base.ts", "PERMS.CATALOG_EDIT"],
 	["rooms.ts", "PERMS.ROOMS_EDIT"],
 	["admin-vpn.ts", "PERMS.SETTINGS_EDIT"],
 	["admin-ads.ts", "PERMS.PAGES_EDIT"],