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/en.json

@@ -37,6 +37,16 @@
         "set_tracking": "Set Tracking",
         "view_details": "View Details"
     },
+    "permissions": {
+        "orders_view": "View Orders",
+        "orders_view_desc": "View order list and details",
+        "orders_edit": "Edit Orders",
+        "orders_edit_desc": "Update order status and details",
+        "orders_cancel": "Cancel Orders",
+        "orders_cancel_desc": "Cancel pending or processing orders",
+        "orders_refund": "Refund Orders",
+        "orders_refund_desc": "Process refunds for orders"
+    },
     "messages": {
         "order_status_updated": "Order status updated",
         "item_shipped_successfully": "Item shipped successfully",