feat(roles): add admin store roles page, permission i18n, and menu integration

- Add admin store roles page with merchant→store cascading for superadmin
  and store-only selection for platform admin
- Add permission catalog API with translated labels/descriptions (en/fr/de/lb)
- Add permission translations to all 15 module locale files (60 files total)
- Add info icon tooltips for permission descriptions in role editor
- Add store roles menu item and admin menu item in module definition
- Fix store-selector.js URL construction bug when apiEndpoint has query params
- Add admin store roles API (CRUD + platform scoping)
- Add integration tests for admin store roles and permission catalog

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/modules/orders/locales/fr.json

@@ -79,5 +79,15 @@
         "store_operations": "Opérations du magasin",
         "sales_orders": "Ventes et Commandes",
         "orders": "Commandes"
+    },
+    "permissions": {
+        "orders_view": "Voir les commandes",
+        "orders_view_desc": "Voir la liste et les détails des commandes",
+        "orders_edit": "Modifier les commandes",
+        "orders_edit_desc": "Mettre à jour le statut et les détails des commandes",
+        "orders_cancel": "Annuler les commandes",
+        "orders_cancel_desc": "Annuler les commandes en attente ou en traitement",
+        "orders_refund": "Rembourser les commandes",
+        "orders_refund_desc": "Traiter les remboursements des commandes"
     }
 }